diff --git a/css/photo-sphere-viewer.css b/css/photo-sphere-viewer.css
deleted file mode 100644
index 4cfd64d..0000000
--- a/css/photo-sphere-viewer.css
+++ /dev/null
@@ -1,654 +0,0 @@
-/*!
- * Photo Sphere Viewer 4.7.1
- * @copyright 2014-2015 Jérémy Heleine
- * @copyright 2015-2022 Damien "Mistic" Sorel
- * @licence MIT (https://opensource.org/licenses/MIT)
- */
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diff --git a/css/photo-sphere-viewer.min.css b/css/photo-sphere-viewer.min.css
new file mode 100644
index 0000000..ae813e2
--- /dev/null
+++ b/css/photo-sphere-viewer.min.css
@@ -0,0 +1,14 @@
+/**
+ * Minified by jsDelivr using clean-css v5.3.0.
+ * Original file: /npm/photo-sphere-viewer@4.7.1/dist/photo-sphere-viewer.css
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
+ * Photo Sphere Viewer 4.7.1
+ * @copyright 2014-2015 Jérémy Heleine
+ * @copyright 2015-2022 Damien "Mistic" Sorel
+ * @licence MIT (https://opensource.org/licenses/MIT)
+ */
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diff --git a/embed/index.html b/embed/index.html
index a468568..2a17ff7 100644
--- a/embed/index.html
+++ b/embed/index.html
@@ -5,660 +5,20 @@
 	<title>Panorama viewer</title>
 	<meta name='viewport' content='width=device-width, initial-scale=1.0'>
 
-	<style>/*!
+	<style>/**
+ * Minified by jsDelivr using clean-css v5.3.0.
+ * Original file: /npm/photo-sphere-viewer@4.7.1/dist/photo-sphere-viewer.css
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
  * Photo Sphere Viewer 4.7.1
  * @copyright 2014-2015 Jérémy Heleine
  * @copyright 2015-2022 Damien "Mistic" Sorel
  * @licence MIT (https://opensource.org/licenses/MIT)
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this.multiplyScalar(1/t)}applyMatrix3(t){const e=this.x,i=this.y,n=t.elements;return this.x=n[0]*e+n[3]*i+n[6],this.y=n[1]*e+n[4]*i+n[7],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(t){return this.x*t.x+this.y*t.y}cross(t){return this.x*t.y-this.y*t.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y;return e*e+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this}equals(t){return t.x===this.x&&t.y===this.y}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const i=Math.cos(e),n=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*i-s*n+t.x,this.y=r*n+s*i+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class Rt{constructor(){Rt.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1]}set(t,e,i,n,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=n,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=i,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,n=e.elements,r=this.elements,s=i[0],a=i[3],o=i[6],l=i[1],c=i[4],h=i[7],u=i[2],d=i[5],p=i[8],m=n[0],f=n[3],g=n[6],v=n[1],x=n[4],_=n[7],y=n[2],M=n[5],b=n[8];return r[0]=s*m+a*v+o*y,r[3]=s*f+a*x+o*M,r[6]=s*g+a*_+o*b,r[1]=l*m+c*v+h*y,r[4]=l*f+c*x+h*M,r[7]=l*g+c*_+h*b,r[2]=u*m+d*v+p*y,r[5]=u*f+d*x+p*M,r[8]=u*g+d*_+p*b,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-i*r*c+i*a*o+n*r*l-n*s*o}invert(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+i*u+n*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const m=1/p;return t[0]=h*m,t[1]=(n*l-c*i)*m,t[2]=(a*i-n*s)*m,t[3]=u*m,t[4]=(c*e-n*o)*m,t[5]=(n*r-a*e)*m,t[6]=d*m,t[7]=(i*o-l*e)*m,t[8]=(s*e-i*r)*m,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,n,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(i*o,i*l,-i*(o*s+l*a)+s+t,-n*l,n*o,-n*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){const i=this.elements;return i[0]*=t,i[3]*=t,i[6]*=t,i[1]*=e,i[4]*=e,i[7]*=e,this}rotate(t){const e=Math.cos(t),i=Math.sin(t),n=this.elements,r=n[0],s=n[3],a=n[6],o=n[1],l=n[4],c=n[7];return n[0]=e*r+i*o,n[3]=e*s+i*l,n[6]=e*a+i*c,n[1]=-i*r+e*o,n[4]=-i*s+e*l,n[7]=-i*a+e*c,this}translate(t,e){const i=this.elements;return i[0]+=t*i[2],i[3]+=t*i[5],i[6]+=t*i[8],i[1]+=e*i[2],i[4]+=e*i[5],i[7]+=e*i[8],this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}function Pt(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}const It={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function Dt(t,e){return new It[t](e)}function Nt(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function Ot(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function zt(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}const Ut={[lt]:{[ct]:Ot},[ct]:{[lt]:zt}},Bt={legacyMode:!0,get workingColorSpace(){return ct},set workingColorSpace(t){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(t,e,i){if(this.legacyMode||e===i||!e||!i)return t;if(Ut[e]&&void 0!==Ut[e][i]){const n=Ut[e][i];return t.r=n(t.r),t.g=n(t.g),t.b=n(t.b),t}throw new Error("Unsupported color space conversion.")},fromWorkingColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this.workingColorSpace)}},Ft={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},kt={r:0,g:0,b:0},Gt={h:0,s:0,l:0},Vt={h:0,s:0,l:0};function Ht(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+6*(e-t)*(2/3-i):t}function Wt(t,e){return e.r=t.r,e.g=t.g,e.b=t.b,e}class jt{constructor(t,e,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,void 0===e&&void 0===i?this.set(t):this.setRGB(t,e,i)}set(t){return t&&t.isColor?this.copy(t):"number"==typeof t?this.setHex(t):"string"==typeof t&&this.setStyle(t),this}setScalar(t){return this.r=t,this.g=t,this.b=t,this}setHex(t,e="srgb"){return t=Math.floor(t),this.r=(t>>16&255)/255,this.g=(t>>8&255)/255,this.b=(255&t)/255,Bt.toWorkingColorSpace(this,e),this}setRGB(t,e,i,n="srgb-linear"){return this.r=t,this.g=e,this.b=i,Bt.toWorkingColorSpace(this,n),this}setHSL(t,e,i,n="srgb-linear"){if(t=Mt(t,1),e=yt(e,0,1),i=yt(i,0,1),0===e)this.r=this.g=this.b=i;else{const n=i<=.5?i*(1+e):i+e-i*e,r=2*i-n;this.r=Ht(r,n,t+1/3),this.g=Ht(r,n,t),this.b=Ht(r,n,t-1/3)}return Bt.toWorkingColorSpace(this,n),this}setStyle(t,e="srgb"){function i(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" will be ignored.")}let n;if(n=/^((?:rgb|hsl)a?)\(([^\)]*)\)/.exec(t)){let t;const r=n[1],s=n[2];switch(r){case"rgb":case"rgba":if(t=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(255,parseInt(t[1],10))/255,this.g=Math.min(255,parseInt(t[2],10))/255,this.b=Math.min(255,parseInt(t[3],10))/255,Bt.toWorkingColorSpace(this,e),i(t[4]),this;if(t=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return this.r=Math.min(100,parseInt(t[1],10))/100,this.g=Math.min(100,parseInt(t[2],10))/100,this.b=Math.min(100,parseInt(t[3],10))/100,Bt.toWorkingColorSpace(this,e),i(t[4]),this;break;case"hsl":case"hsla":if(t=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s)){const n=parseFloat(t[1])/360,r=parseFloat(t[2])/100,s=parseFloat(t[3])/100;return i(t[4]),this.setHSL(n,r,s,e)}}}else if(n=/^\#([A-Fa-f\d]+)$/.exec(t)){const t=n[1],i=t.length;if(3===i)return this.r=parseInt(t.charAt(0)+t.charAt(0),16)/255,this.g=parseInt(t.charAt(1)+t.charAt(1),16)/255,this.b=parseInt(t.charAt(2)+t.charAt(2),16)/255,Bt.toWorkingColorSpace(this,e),this;if(6===i)return this.r=parseInt(t.charAt(0)+t.charAt(1),16)/255,this.g=parseInt(t.charAt(2)+t.charAt(3),16)/255,this.b=parseInt(t.charAt(4)+t.charAt(5),16)/255,Bt.toWorkingColorSpace(this,e),this}return t&&t.length>0?this.setColorName(t,e):this}setColorName(t,e="srgb"){const i=Ft[t.toLowerCase()];return void 0!==i?this.setHex(i,e):console.warn("THREE.Color: Unknown color "+t),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(t){return this.r=t.r,this.g=t.g,this.b=t.b,this}copySRGBToLinear(t){return this.r=Ot(t.r),this.g=Ot(t.g),this.b=Ot(t.b),this}copyLinearToSRGB(t){return this.r=zt(t.r),this.g=zt(t.g),this.b=zt(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t="srgb"){return Bt.fromWorkingColorSpace(Wt(this,kt),t),yt(255*kt.r,0,255)<<16^yt(255*kt.g,0,255)<<8^yt(255*kt.b,0,255)<<0}getHexString(t="srgb"){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e="srgb-linear"){Bt.fromWorkingColorSpace(Wt(this,kt),e);const i=kt.r,n=kt.g,r=kt.b,s=Math.max(i,n,r),a=Math.min(i,n,r);let o,l;const c=(a+s)/2;if(a===s)o=0,l=0;else{const t=s-a;switch(l=c<=.5?t/(s+a):t/(2-s-a),s){case i:o=(n-r)/t+(n<r?6:0);break;case n:o=(r-i)/t+2;break;case r:o=(i-n)/t+4}o/=6}return t.h=o,t.s=l,t.l=c,t}getRGB(t,e="srgb-linear"){return Bt.fromWorkingColorSpace(Wt(this,kt),e),t.r=kt.r,t.g=kt.g,t.b=kt.b,t}getStyle(t="srgb"){return Bt.fromWorkingColorSpace(Wt(this,kt),t),t!==lt?`color(${t} ${kt.r} ${kt.g} ${kt.b})`:`rgb(${255*kt.r|0},${255*kt.g|0},${255*kt.b|0})`}offsetHSL(t,e,i){return this.getHSL(Gt),Gt.h+=t,Gt.s+=e,Gt.l+=i,this.setHSL(Gt.h,Gt.s,Gt.l),this}add(t){return this.r+=t.r,this.g+=t.g,this.b+=t.b,this}addColors(t,e){return this.r=t.r+e.r,this.g=t.g+e.g,this.b=t.b+e.b,this}addScalar(t){return this.r+=t,this.g+=t,this.b+=t,this}sub(t){return this.r=Math.max(0,this.r-t.r),this.g=Math.max(0,this.g-t.g),this.b=Math.max(0,this.b-t.b),this}multiply(t){return this.r*=t.r,this.g*=t.g,this.b*=t.b,this}multiplyScalar(t){return this.r*=t,this.g*=t,this.b*=t,this}lerp(t,e){return this.r+=(t.r-this.r)*e,this.g+=(t.g-this.g)*e,this.b+=(t.b-this.b)*e,this}lerpColors(t,e,i){return this.r=t.r+(e.r-t.r)*i,this.g=t.g+(e.g-t.g)*i,this.b=t.b+(e.b-t.b)*i,this}lerpHSL(t,e){this.getHSL(Gt),t.getHSL(Vt);const i=bt(Gt.h,Vt.h,e),n=bt(Gt.s,Vt.s,e),r=bt(Gt.l,Vt.l,e);return this.setHSL(i,n,r),this}equals(t){return t.r===this.r&&t.g===this.g&&t.b===this.b}fromArray(t,e=0){return this.r=t[e],this.g=t[e+1],this.b=t[e+2],this}toArray(t=[],e=0){return t[e]=this.r,t[e+1]=this.g,t[e+2]=this.b,t}fromBufferAttribute(t,e){return this.r=t.getX(e),this.g=t.getY(e),this.b=t.getZ(e),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}let qt;jt.NAMES=Ft;class Xt{static getDataURL(t){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let e;if(t instanceof HTMLCanvasElement)e=t;else{void 0===qt&&(qt=Nt("canvas")),qt.width=t.width,qt.height=t.height;const i=qt.getContext("2d");t instanceof ImageData?i.putImageData(t,0,0):i.drawImage(t,0,0,t.width,t.height),e=qt}return e.width>2048||e.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",t),e.toDataURL("image/jpeg",.6)):e.toDataURL("image/png")}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=Nt("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const n=i.getImageData(0,0,t.width,t.height),r=n.data;for(let t=0;t<r.length;t++)r[t]=255*Ot(r[t]/255);return i.putImageData(n,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ot(e[t]/255)):e[t]=Ot(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}class Yt{constructor(t=null){this.isSource=!0,this.uuid=_t(),this.data=t,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},n=this.data;if(null!==n){let t;if(Array.isArray(n)){t=[];for(let e=0,i=n.length;e<i;e++)n[e].isDataTexture?t.push(Zt(n[e].image)):t.push(Zt(n[e]))}else t=Zt(n);i.url=t}return e||(t.images[this.uuid]=i),i}}function Zt(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Xt.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let Jt=0;class Kt extends mt{constructor(t=Kt.DEFAULT_IMAGE,e=Kt.DEFAULT_MAPPING,i=1001,n=1001,r=1006,s=1008,a=1023,o=1009,l=1,c=3e3){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Jt++}),this.uuid=_t(),this.name="",this.source=new Yt(t),this.mipmaps=[],this.mapping=e,this.wrapS=i,this.wrapT=n,this.magFilter=r,this.minFilter=s,this.anisotropy=l,this.format=a,this.internalFormat=null,this.type=o,this.offset=new Lt(0,0),this.repeat=new Lt(1,1),this.center=new Lt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Rt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=c,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.encoding=t.encoding,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==n)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case c:t.x=t.x-Math.floor(t.x);break;case h:t.x=t.x<0?0:1;break;case u:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case c:t.y=t.y-Math.floor(t.y);break;case h:t.y=t.y<0?0:1;break;case u:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}}Kt.DEFAULT_IMAGE=null,Kt.DEFAULT_MAPPING=n;class $t{constructor(t=0,e=0,i=0,n=1){$t.prototype.isVector4=!0,this.x=t,this.y=e,this.z=i,this.w=n}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,n){return this.x=t,this.y=e,this.z=i,this.w=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,n=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*i+s[8]*n+s[12]*r,this.y=s[1]*e+s[5]*i+s[9]*n+s[13]*r,this.z=s[2]*e+s[6]*i+s[10]*n+s[14]*r,this.w=s[3]*e+s[7]*i+s[11]*n+s[15]*r,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,n,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],m=o[2],f=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-m)<s&&Math.abs(p-f)<s){if(Math.abs(c+u)<a&&Math.abs(h+m)<a&&Math.abs(p+f)<a&&Math.abs(l+d+g-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,v=(g+1)/2,x=(c+u)/4,_=(h+m)/4,y=(p+f)/4;return t>o&&t>v?t<s?(i=0,n=.707106781,r=.707106781):(i=Math.sqrt(t),n=x/i,r=_/i):o>v?o<s?(i=.707106781,n=0,r=.707106781):(n=Math.sqrt(o),i=x/n,r=y/n):v<s?(i=.707106781,n=.707106781,r=0):(r=Math.sqrt(v),i=_/r,n=y/r),this.set(i,n,r,e),this}let v=Math.sqrt((f-p)*(f-p)+(h-m)*(h-m)+(u-c)*(u-c));return Math.abs(v)<.001&&(v=1),this.x=(f-p)/v,this.y=(h-m)/v,this.z=(u-c)/v,this.w=Math.acos((l+d+g-1)/2),this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this.w=Math.max(t.w,Math.min(e.w,this.w)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this.w=Math.max(t,Math.min(e,this.w)),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Qt extends mt{constructor(t,e,i={}){super(),this.isWebGLRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new $t(0,0,t,e),this.scissorTest=!1,this.viewport=new $t(0,0,t,e);const n={width:t,height:e,depth:1};this.texture=new Kt(n,i.mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.encoding),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==i.generateMipmaps&&i.generateMipmaps,this.texture.internalFormat=void 0!==i.internalFormat?i.internalFormat:null,this.texture.minFilter=void 0!==i.minFilter?i.minFilter:f,this.depthBuffer=void 0===i.depthBuffer||i.depthBuffer,this.stencilBuffer=void 0!==i.stencilBuffer&&i.stencilBuffer,this.depthTexture=void 0!==i.depthTexture?i.depthTexture:null,this.samples=void 0!==i.samples?i.samples:0}setSize(t,e,i=1){this.width===t&&this.height===e&&this.depth===i||(this.width=t,this.height=e,this.depth=i,this.texture.image.width=t,this.texture.image.height=e,this.texture.image.depth=i,this.dispose()),this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.viewport.copy(t.viewport),this.texture=t.texture.clone(),this.texture.isRenderTargetTexture=!0;const e=Object.assign({},t.texture.image);return this.texture.source=new Yt(e),this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class te extends Kt{constructor(t=null,e=1,i=1,n=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:i,depth:n},this.magFilter=d,this.minFilter=d,this.wrapR=h,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class ee extends Kt{constructor(t=null,e=1,i=1,n=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:i,depth:n},this.magFilter=d,this.minFilter=d,this.wrapR=h,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class ie{constructor(t=0,e=0,i=0,n=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=i,this._w=n}static slerpFlat(t,e,i,n,r,s,a){let o=i[n+0],l=i[n+1],c=i[n+2],h=i[n+3];const u=r[s+0],d=r[s+1],p=r[s+2],m=r[s+3];if(0===a)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===a)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=m);if(h!==m||o!==u||l!==d||c!==p){let t=1-a;const e=o*u+l*d+c*p+h*m,i=e>=0?1:-1,n=1-e*e;if(n>Number.EPSILON){const r=Math.sqrt(n),s=Math.atan2(r,e*i);t=Math.sin(t*s)/r,a=Math.sin(a*s)/r}const r=a*i;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+m*r,t===1-a){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,i,n,r,s){const a=i[n],o=i[n+1],l=i[n+2],c=i[n+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,i,n){return this._x=t,this._y=e,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e){const i=t._x,n=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(i/2),c=a(n/2),h=a(r/2),u=o(i/2),d=o(n/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!1!==e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const i=e/2,n=Math.sin(i);return this._x=t.x*n,this._y=t.y*n,this._z=t.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],n=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=i+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-n)*t}else if(i>a&&i>h){const t=2*Math.sqrt(1+i-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(n+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-i-h);this._w=(r-l)/t,this._x=(n+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-i-a);this._w=(s-n)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<Number.EPSILON?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(yt(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const n=Math.min(1,e/i);return this.slerp(t,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const i=t._x,n=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=i*c+s*a+n*l-r*o,this._y=n*c+s*o+r*a-i*l,this._z=r*c+s*l+i*o-n*a,this._w=s*c-i*a-n*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const i=this._x,n=this._y,r=this._z,s=this._w;let a=s*t._w+i*t._x+n*t._y+r*t._z;if(a<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,a=-a):this.copy(t),a>=1)return this._w=s,this._x=i,this._y=n,this._z=r,this;const o=1-a*a;if(o<=Number.EPSILON){const t=1-e;return this._w=t*s+e*this._w,this._x=t*i+e*this._x,this._y=t*n+e*this._y,this._z=t*r+e*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),c=Math.atan2(l,a),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=s*h+this._w*u,this._x=i*h+this._x*u,this._y=n*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=Math.random(),e=Math.sqrt(1-t),i=Math.sqrt(t),n=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(e*Math.cos(n),i*Math.sin(r),i*Math.cos(r),e*Math.sin(n))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class ne{constructor(t=0,e=0,i=0){ne.prototype.isVector3=!0,this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(se.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(se.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*n,this.y=r[1]*e+r[4]*i+r[7]*n,this.z=r[2]*e+r[5]*i+r[8]*n,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,n=this.z,r=t.elements,s=1/(r[3]*e+r[7]*i+r[11]*n+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*n+r[12])*s,this.y=(r[1]*e+r[5]*i+r[9]*n+r[13])*s,this.z=(r[2]*e+r[6]*i+r[10]*n+r[14])*s,this}applyQuaternion(t){const e=this.x,i=this.y,n=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=o*e+s*n-a*i,c=o*i+a*e-r*n,h=o*n+r*i-s*e,u=-r*e-s*i-a*n;return this.x=l*o+u*-r+c*-a-h*-s,this.y=c*o+u*-s+h*-r-l*-a,this.z=h*o+u*-a+l*-s-c*-r,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*n,this.y=r[1]*e+r[5]*i+r[9]*n,this.z=r[2]*e+r[6]*i+r[10]*n,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=Math.max(t.x,Math.min(e.x,this.x)),this.y=Math.max(t.y,Math.min(e.y,this.y)),this.z=Math.max(t.z,Math.min(e.z,this.z)),this}clampScalar(t,e){return this.x=Math.max(t,Math.min(e,this.x)),this.y=Math.max(t,Math.min(e,this.y)),this.z=Math.max(t,Math.min(e,this.z)),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(t,Math.min(e,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,n=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=n*o-r*a,this.y=r*s-i*o,this.z=i*a-n*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return re.copy(this).projectOnVector(t),this.sub(re)}reflect(t){return this.sub(re.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(yt(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,n=this.z-t.z;return e*e+i*i+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const n=Math.sin(e)*t;return this.x=n*Math.sin(i),this.y=Math.cos(e)*t,this.z=n*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),n=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=n,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=2*(Math.random()-.5),e=Math.random()*Math.PI*2,i=Math.sqrt(1-t**2);return this.x=i*Math.cos(e),this.y=i*Math.sin(e),this.z=t,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const re=new ne,se=new ie;class ae{constructor(t=new ne(1/0,1/0,1/0),e=new ne(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){let e=1/0,i=1/0,n=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.length;o<l;o+=3){const l=t[o],c=t[o+1],h=t[o+2];l<e&&(e=l),c<i&&(i=c),h<n&&(n=h),l>r&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,i,n),this.max.set(r,s,a),this}setFromBufferAttribute(t){let e=1/0,i=1/0,n=1/0,r=-1/0,s=-1/0,a=-1/0;for(let o=0,l=t.count;o<l;o++){const l=t.getX(o),c=t.getY(o),h=t.getZ(o);l<e&&(e=l),c<i&&(i=c),h<n&&(n=h),l>r&&(r=l),c>s&&(s=c),h>a&&(a=h)}return this.min.set(e,i,n),this.max.set(r,s,a),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=le.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const i=t.geometry;if(void 0!==i)if(e&&null!=i.attributes&&void 0!==i.attributes.position){const e=i.attributes.position;for(let i=0,n=e.count;i<n;i++)le.fromBufferAttribute(e,i).applyMatrix4(t.matrixWorld),this.expandByPoint(le)}else null===i.boundingBox&&i.computeBoundingBox(),ce.copy(i.boundingBox),ce.applyMatrix4(t.matrixWorld),this.union(ce);const n=t.children;for(let t=0,i=n.length;t<i;t++)this.expandByObject(n[t],e);return this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y||t.z<this.min.z||t.z>this.max.z)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y||t.max.z<this.min.z||t.min.z>this.max.z)}intersectsSphere(t){return this.clampPoint(t.center,le),le.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,i;return t.normal.x>0?(e=t.normal.x*this.min.x,i=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,i=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,i+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,i+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,i+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,i+=t.normal.z*this.min.z),e<=-t.constant&&i>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ge),ve.subVectors(this.max,ge),he.subVectors(t.a,ge),ue.subVectors(t.b,ge),de.subVectors(t.c,ge),pe.subVectors(ue,he),me.subVectors(de,ue),fe.subVectors(he,de);let e=[0,-pe.z,pe.y,0,-me.z,me.y,0,-fe.z,fe.y,pe.z,0,-pe.x,me.z,0,-me.x,fe.z,0,-fe.x,-pe.y,pe.x,0,-me.y,me.x,0,-fe.y,fe.x,0];return!!ye(e,he,ue,de,ve)&&(e=[1,0,0,0,1,0,0,0,1],!!ye(e,he,ue,de,ve)&&(xe.crossVectors(pe,me),e=[xe.x,xe.y,xe.z],ye(e,he,ue,de,ve)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return le.copy(t).clamp(this.min,this.max).sub(t).length()}getBoundingSphere(t){return this.getCenter(t.center),t.radius=.5*this.getSize(le).length(),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||(oe[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),oe[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),oe[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),oe[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),oe[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),oe[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),oe[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),oe[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints(oe)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const oe=[new ne,new ne,new ne,new ne,new ne,new ne,new ne,new ne],le=new ne,ce=new ae,he=new ne,ue=new ne,de=new ne,pe=new ne,me=new ne,fe=new ne,ge=new ne,ve=new ne,xe=new ne,_e=new ne;function ye(t,e,i,n,r){for(let s=0,a=t.length-3;s<=a;s+=3){_e.fromArray(t,s);const a=r.x*Math.abs(_e.x)+r.y*Math.abs(_e.y)+r.z*Math.abs(_e.z),o=e.dot(_e),l=i.dot(_e),c=n.dot(_e);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>a)return!1}return!0}const Me=new ae,be=new ne,Se=new ne,we=new ne;class Te{constructor(t=new ne,e=-1){this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const i=this.center;void 0!==e?i.copy(e):Me.setFromPoints(t).getCenter(i);let n=0;for(let e=0,r=t.length;e<r;e++)n=Math.max(n,i.distanceToSquared(t[e]));return this.radius=Math.sqrt(n),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const i=this.center.distanceToSquared(t);return e.copy(t),i>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.radius),t)}applyMatrix4(t){return this.center.applyMatrix4(t),this.radius=this.radius*t.getMaxScaleOnAxis(),this}translate(t){return this.center.add(t),this}expandByPoint(t){we.subVectors(t,this.center);const e=we.lengthSq();if(e>this.radius*this.radius){const t=Math.sqrt(e),i=.5*(t-this.radius);this.center.add(we.multiplyScalar(i/t)),this.radius+=i}return this}union(t){return!0===this.center.equals(t.center)?Se.set(0,0,1).multiplyScalar(t.radius):Se.subVectors(t.center,this.center).normalize().multiplyScalar(t.radius),this.expandByPoint(be.copy(t.center).add(Se)),this.expandByPoint(be.copy(t.center).sub(Se)),this}equals(t){return t.center.equals(this.center)&&t.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const Ae=new ne,Ee=new ne,Ce=new ne,Le=new ne,Re=new ne,Pe=new ne,Ie=new ne;class De{constructor(t=new ne,e=new ne(0,0,-1)){this.origin=t,this.direction=e}set(t,e){return this.origin.copy(t),this.direction.copy(e),this}copy(t){return this.origin.copy(t.origin),this.direction.copy(t.direction),this}at(t,e){return e.copy(this.direction).multiplyScalar(t).add(this.origin)}lookAt(t){return this.direction.copy(t).sub(this.origin).normalize(),this}recast(t){return this.origin.copy(this.at(t,Ae)),this}closestPointToPoint(t,e){e.subVectors(t,this.origin);const i=e.dot(this.direction);return i<0?e.copy(this.origin):e.copy(this.direction).multiplyScalar(i).add(this.origin)}distanceToPoint(t){return Math.sqrt(this.distanceSqToPoint(t))}distanceSqToPoint(t){const e=Ae.subVectors(t,this.origin).dot(this.direction);return e<0?this.origin.distanceToSquared(t):(Ae.copy(this.direction).multiplyScalar(e).add(this.origin),Ae.distanceToSquared(t))}distanceSqToSegment(t,e,i,n){Ee.copy(t).add(e).multiplyScalar(.5),Ce.copy(e).sub(t).normalize(),Le.copy(this.origin).sub(Ee);const r=.5*t.distanceTo(e),s=-this.direction.dot(Ce),a=Le.dot(this.direction),o=-Le.dot(Ce),l=Le.lengthSq(),c=Math.abs(1-s*s);let h,u,d,p;if(c>0)if(h=s*o-a,u=s*a-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const t=1/c;h*=t,u*=t,d=h*(h+s*u+2*a)+u*(s*h+u+2*o)+l}else u=r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-s*r+a)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(s*r+a)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=s>0?-r:r,h=Math.max(0,-(s*u+a)),d=-h*h+u*(u+2*o)+l;return i&&i.copy(this.direction).multiplyScalar(h).add(this.origin),n&&n.copy(Ce).multiplyScalar(u).add(Ee),d}intersectSphere(t,e){Ae.subVectors(t.center,this.origin);const i=Ae.dot(this.direction),n=Ae.dot(Ae)-i*i,r=t.radius*t.radius;if(n>r)return null;const s=Math.sqrt(r-n),a=i-s,o=i+s;return a<0&&o<0?null:a<0?this.at(o,e):this.at(a,e)}intersectsSphere(t){return this.distanceSqToPoint(t.center)<=t.radius*t.radius}distanceToPlane(t){const e=t.normal.dot(this.direction);if(0===e)return 0===t.distanceToPoint(this.origin)?0:null;const i=-(this.origin.dot(t.normal)+t.constant)/e;return i>=0?i:null}intersectPlane(t,e){const i=this.distanceToPlane(t);return null===i?null:this.at(i,e)}intersectsPlane(t){const e=t.distanceToPoint(this.origin);if(0===e)return!0;return t.normal.dot(this.direction)*e<0}intersectBox(t,e){let i,n,r,s,a,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(i=(t.min.x-u.x)*l,n=(t.max.x-u.x)*l):(i=(t.max.x-u.x)*l,n=(t.min.x-u.x)*l),c>=0?(r=(t.min.y-u.y)*c,s=(t.max.y-u.y)*c):(r=(t.max.y-u.y)*c,s=(t.min.y-u.y)*c),i>s||r>n?null:((r>i||i!=i)&&(i=r),(s<n||n!=n)&&(n=s),h>=0?(a=(t.min.z-u.z)*h,o=(t.max.z-u.z)*h):(a=(t.max.z-u.z)*h,o=(t.min.z-u.z)*h),i>o||a>n?null:((a>i||i!=i)&&(i=a),(o<n||n!=n)&&(n=o),n<0?null:this.at(i>=0?i:n,e)))}intersectsBox(t){return null!==this.intersectBox(t,Ae)}intersectTriangle(t,e,i,n,r){Re.subVectors(e,t),Pe.subVectors(i,t),Ie.crossVectors(Re,Pe);let s,a=this.direction.dot(Ie);if(a>0){if(n)return null;s=1}else{if(!(a<0))return null;s=-1,a=-a}Le.subVectors(this.origin,t);const o=s*this.direction.dot(Pe.crossVectors(Le,Pe));if(o<0)return null;const l=s*this.direction.dot(Re.cross(Le));if(l<0)return null;if(o+l>a)return null;const c=-s*Le.dot(Ie);return c<0?null:this.at(c/a,r)}applyMatrix4(t){return this.origin.applyMatrix4(t),this.direction.transformDirection(t),this}equals(t){return t.origin.equals(this.origin)&&t.direction.equals(this.direction)}clone(){return(new this.constructor).copy(this)}}class Ne{constructor(){Ne.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]}set(t,e,i,n,r,s,a,o,l,c,h,u,d,p,m,f){const g=this.elements;return g[0]=t,g[4]=e,g[8]=i,g[12]=n,g[1]=r,g[5]=s,g[9]=a,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=d,g[7]=p,g[11]=m,g[15]=f,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return(new Ne).fromArray(this.elements)}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],e[9]=i[9],e[10]=i[10],e[11]=i[11],e[12]=i[12],e[13]=i[13],e[14]=i[14],e[15]=i[15],this}copyPosition(t){const e=this.elements,i=t.elements;return e[12]=i[12],e[13]=i[13],e[14]=i[14],this}setFromMatrix3(t){const e=t.elements;return this.set(e[0],e[3],e[6],0,e[1],e[4],e[7],0,e[2],e[5],e[8],0,0,0,0,1),this}extractBasis(t,e,i){return t.setFromMatrixColumn(this,0),e.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(t,e,i){return this.set(t.x,e.x,i.x,0,t.y,e.y,i.y,0,t.z,e.z,i.z,0,0,0,0,1),this}extractRotation(t){const e=this.elements,i=t.elements,n=1/Oe.setFromMatrixColumn(t,0).length(),r=1/Oe.setFromMatrixColumn(t,1).length(),s=1/Oe.setFromMatrixColumn(t,2).length();return e[0]=i[0]*n,e[1]=i[1]*n,e[2]=i[2]*n,e[3]=0,e[4]=i[4]*r,e[5]=i[5]*r,e[6]=i[6]*r,e[7]=0,e[8]=i[8]*s,e[9]=i[9]*s,e[10]=i[10]*s,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromEuler(t){const e=this.elements,i=t.x,n=t.y,r=t.z,s=Math.cos(i),a=Math.sin(i),o=Math.cos(n),l=Math.sin(n),c=Math.cos(r),h=Math.sin(r);if("XYZ"===t.order){const t=s*c,i=s*h,n=a*c,r=a*h;e[0]=o*c,e[4]=-o*h,e[8]=l,e[1]=i+n*l,e[5]=t-r*l,e[9]=-a*o,e[2]=r-t*l,e[6]=n+i*l,e[10]=s*o}else if("YXZ"===t.order){const t=o*c,i=o*h,n=l*c,r=l*h;e[0]=t+r*a,e[4]=n*a-i,e[8]=s*l,e[1]=s*h,e[5]=s*c,e[9]=-a,e[2]=i*a-n,e[6]=r+t*a,e[10]=s*o}else if("ZXY"===t.order){const t=o*c,i=o*h,n=l*c,r=l*h;e[0]=t-r*a,e[4]=-s*h,e[8]=n+i*a,e[1]=i+n*a,e[5]=s*c,e[9]=r-t*a,e[2]=-s*l,e[6]=a,e[10]=s*o}else if("ZYX"===t.order){const t=s*c,i=s*h,n=a*c,r=a*h;e[0]=o*c,e[4]=n*l-i,e[8]=t*l+r,e[1]=o*h,e[5]=r*l+t,e[9]=i*l-n,e[2]=-l,e[6]=a*o,e[10]=s*o}else if("YZX"===t.order){const t=s*o,i=s*l,n=a*o,r=a*l;e[0]=o*c,e[4]=r-t*h,e[8]=n*h+i,e[1]=h,e[5]=s*c,e[9]=-a*c,e[2]=-l*c,e[6]=i*h+n,e[10]=t-r*h}else if("XZY"===t.order){const t=s*o,i=s*l,n=a*o,r=a*l;e[0]=o*c,e[4]=-h,e[8]=l*c,e[1]=t*h+r,e[5]=s*c,e[9]=i*h-n,e[2]=n*h-i,e[6]=a*c,e[10]=r*h+t}return e[3]=0,e[7]=0,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,this}makeRotationFromQuaternion(t){return this.compose(Ue,t,Be)}lookAt(t,e,i){const n=this.elements;return Ge.subVectors(t,e),0===Ge.lengthSq()&&(Ge.z=1),Ge.normalize(),Fe.crossVectors(i,Ge),0===Fe.lengthSq()&&(1===Math.abs(i.z)?Ge.x+=1e-4:Ge.z+=1e-4,Ge.normalize(),Fe.crossVectors(i,Ge)),Fe.normalize(),ke.crossVectors(Ge,Fe),n[0]=Fe.x,n[4]=ke.x,n[8]=Ge.x,n[1]=Fe.y,n[5]=ke.y,n[9]=Ge.y,n[2]=Fe.z,n[6]=ke.z,n[10]=Ge.z,this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,n=e.elements,r=this.elements,s=i[0],a=i[4],o=i[8],l=i[12],c=i[1],h=i[5],u=i[9],d=i[13],p=i[2],m=i[6],f=i[10],g=i[14],v=i[3],x=i[7],_=i[11],y=i[15],M=n[0],b=n[4],S=n[8],w=n[12],T=n[1],A=n[5],E=n[9],C=n[13],L=n[2],R=n[6],P=n[10],I=n[14],D=n[3],N=n[7],O=n[11],z=n[15];return r[0]=s*M+a*T+o*L+l*D,r[4]=s*b+a*A+o*R+l*N,r[8]=s*S+a*E+o*P+l*O,r[12]=s*w+a*C+o*I+l*z,r[1]=c*M+h*T+u*L+d*D,r[5]=c*b+h*A+u*R+d*N,r[9]=c*S+h*E+u*P+d*O,r[13]=c*w+h*C+u*I+d*z,r[2]=p*M+m*T+f*L+g*D,r[6]=p*b+m*A+f*R+g*N,r[10]=p*S+m*E+f*P+g*O,r[14]=p*w+m*C+f*I+g*z,r[3]=v*M+x*T+_*L+y*D,r[7]=v*b+x*A+_*R+y*N,r[11]=v*S+x*E+_*P+y*O,r[15]=v*w+x*C+_*I+y*z,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[4]*=t,e[8]*=t,e[12]*=t,e[1]*=t,e[5]*=t,e[9]*=t,e[13]*=t,e[2]*=t,e[6]*=t,e[10]*=t,e[14]*=t,e[3]*=t,e[7]*=t,e[11]*=t,e[15]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[4],n=t[8],r=t[12],s=t[1],a=t[5],o=t[9],l=t[13],c=t[2],h=t[6],u=t[10],d=t[14];return t[3]*(+r*o*h-n*l*h-r*a*u+i*l*u+n*a*d-i*o*d)+t[7]*(+e*o*d-e*l*u+r*s*u-n*s*d+n*l*c-r*o*c)+t[11]*(+e*l*h-e*a*d-r*s*h+i*s*d+r*a*c-i*l*c)+t[15]*(-n*a*c-e*o*h+e*a*u+n*s*h-i*s*u+i*o*c)}transpose(){const t=this.elements;let e;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this}setPosition(t,e,i){const n=this.elements;return t.isVector3?(n[12]=t.x,n[13]=t.y,n[14]=t.z):(n[12]=t,n[13]=e,n[14]=i),this}invert(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=t[9],u=t[10],d=t[11],p=t[12],m=t[13],f=t[14],g=t[15],v=h*f*l-m*u*l+m*o*d-a*f*d-h*o*g+a*u*g,x=p*u*l-c*f*l-p*o*d+s*f*d+c*o*g-s*u*g,_=c*m*l-p*h*l+p*a*d-s*m*d-c*a*g+s*h*g,y=p*h*o-c*m*o-p*a*u+s*m*u+c*a*f-s*h*f,M=e*v+i*x+n*_+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const b=1/M;return t[0]=v*b,t[1]=(m*u*r-h*f*r-m*n*d+i*f*d+h*n*g-i*u*g)*b,t[2]=(a*f*r-m*o*r+m*n*l-i*f*l-a*n*g+i*o*g)*b,t[3]=(h*o*r-a*u*r-h*n*l+i*u*l+a*n*d-i*o*d)*b,t[4]=x*b,t[5]=(c*f*r-p*u*r+p*n*d-e*f*d-c*n*g+e*u*g)*b,t[6]=(p*o*r-s*f*r-p*n*l+e*f*l+s*n*g-e*o*g)*b,t[7]=(s*u*r-c*o*r+c*n*l-e*u*l-s*n*d+e*o*d)*b,t[8]=_*b,t[9]=(p*h*r-c*m*r-p*i*d+e*m*d+c*i*g-e*h*g)*b,t[10]=(s*m*r-p*a*r+p*i*l-e*m*l-s*i*g+e*a*g)*b,t[11]=(c*a*r-s*h*r-c*i*l+e*h*l+s*i*d-e*a*d)*b,t[12]=y*b,t[13]=(c*m*n-p*h*n+p*i*u-e*m*u-c*i*f+e*h*f)*b,t[14]=(p*a*n-s*m*n-p*i*o+e*m*o+s*i*f-e*a*f)*b,t[15]=(s*h*n-c*a*n+c*i*o-e*h*o-s*i*u+e*a*u)*b,this}scale(t){const e=this.elements,i=t.x,n=t.y,r=t.z;return e[0]*=i,e[4]*=n,e[8]*=r,e[1]*=i,e[5]*=n,e[9]*=r,e[2]*=i,e[6]*=n,e[10]*=r,e[3]*=i,e[7]*=n,e[11]*=r,this}getMaxScaleOnAxis(){const t=this.elements,e=t[0]*t[0]+t[1]*t[1]+t[2]*t[2],i=t[4]*t[4]+t[5]*t[5]+t[6]*t[6],n=t[8]*t[8]+t[9]*t[9]+t[10]*t[10];return Math.sqrt(Math.max(e,i,n))}makeTranslation(t,e,i){return this.set(1,0,0,t,0,1,0,e,0,0,1,i,0,0,0,1),this}makeRotationX(t){const e=Math.cos(t),i=Math.sin(t);return this.set(1,0,0,0,0,e,-i,0,0,i,e,0,0,0,0,1),this}makeRotationY(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,0,i,0,0,1,0,0,-i,0,e,0,0,0,0,1),this}makeRotationZ(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,0,i,e,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(t,e){const i=Math.cos(e),n=Math.sin(e),r=1-i,s=t.x,a=t.y,o=t.z,l=r*s,c=r*a;return this.set(l*s+i,l*a-n*o,l*o+n*a,0,l*a+n*o,c*a+i,c*o-n*s,0,l*o-n*a,c*o+n*s,r*o*o+i,0,0,0,0,1),this}makeScale(t,e,i){return this.set(t,0,0,0,0,e,0,0,0,0,i,0,0,0,0,1),this}makeShear(t,e,i,n,r,s){return this.set(1,i,r,0,t,1,s,0,e,n,1,0,0,0,0,1),this}compose(t,e,i){const n=this.elements,r=e._x,s=e._y,a=e._z,o=e._w,l=r+r,c=s+s,h=a+a,u=r*l,d=r*c,p=r*h,m=s*c,f=s*h,g=a*h,v=o*l,x=o*c,_=o*h,y=i.x,M=i.y,b=i.z;return n[0]=(1-(m+g))*y,n[1]=(d+_)*y,n[2]=(p-x)*y,n[3]=0,n[4]=(d-_)*M,n[5]=(1-(u+g))*M,n[6]=(f+v)*M,n[7]=0,n[8]=(p+x)*b,n[9]=(f-v)*b,n[10]=(1-(u+m))*b,n[11]=0,n[12]=t.x,n[13]=t.y,n[14]=t.z,n[15]=1,this}decompose(t,e,i){const n=this.elements;let r=Oe.set(n[0],n[1],n[2]).length();const s=Oe.set(n[4],n[5],n[6]).length(),a=Oe.set(n[8],n[9],n[10]).length();this.determinant()<0&&(r=-r),t.x=n[12],t.y=n[13],t.z=n[14],ze.copy(this);const o=1/r,l=1/s,c=1/a;return ze.elements[0]*=o,ze.elements[1]*=o,ze.elements[2]*=o,ze.elements[4]*=l,ze.elements[5]*=l,ze.elements[6]*=l,ze.elements[8]*=c,ze.elements[9]*=c,ze.elements[10]*=c,e.setFromRotationMatrix(ze),i.x=r,i.y=s,i.z=a,this}makePerspective(t,e,i,n,r,s){const a=this.elements,o=2*r/(e-t),l=2*r/(i-n),c=(e+t)/(e-t),h=(i+n)/(i-n),u=-(s+r)/(s-r),d=-2*s*r/(s-r);return a[0]=o,a[4]=0,a[8]=c,a[12]=0,a[1]=0,a[5]=l,a[9]=h,a[13]=0,a[2]=0,a[6]=0,a[10]=u,a[14]=d,a[3]=0,a[7]=0,a[11]=-1,a[15]=0,this}makeOrthographic(t,e,i,n,r,s){const a=this.elements,o=1/(e-t),l=1/(i-n),c=1/(s-r),h=(e+t)*o,u=(i+n)*l,d=(s+r)*c;return a[0]=2*o,a[4]=0,a[8]=0,a[12]=-h,a[1]=0,a[5]=2*l,a[9]=0,a[13]=-u,a[2]=0,a[6]=0,a[10]=-2*c,a[14]=-d,a[3]=0,a[7]=0,a[11]=0,a[15]=1,this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<16;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<16;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t[e+9]=i[9],t[e+10]=i[10],t[e+11]=i[11],t[e+12]=i[12],t[e+13]=i[13],t[e+14]=i[14],t[e+15]=i[15],t}}const Oe=new ne,ze=new Ne,Ue=new ne(0,0,0),Be=new ne(1,1,1),Fe=new ne,ke=new ne,Ge=new ne,Ve=new Ne,He=new ie;class We{constructor(t=0,e=0,i=0,n=We.DefaultOrder){this.isEuler=!0,this._x=t,this._y=e,this._z=i,this._order=n}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get order(){return this._order}set order(t){this._order=t,this._onChangeCallback()}set(t,e,i,n=this._order){return this._x=t,this._y=e,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(t){return this._x=t._x,this._y=t._y,this._z=t._z,this._order=t._order,this._onChangeCallback(),this}setFromRotationMatrix(t,e=this._order,i=!0){const n=t.elements,r=n[0],s=n[4],a=n[8],o=n[1],l=n[5],c=n[9],h=n[2],u=n[6],d=n[10];switch(e){case"XYZ":this._y=Math.asin(yt(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-s,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-yt(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(a,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(yt(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-s,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-yt(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-s,l));break;case"YZX":this._z=Math.asin(yt(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(a,d));break;case"XZY":this._z=Math.asin(-yt(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(a,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+e)}return this._order=e,!0===i&&this._onChangeCallback(),this}setFromQuaternion(t,e,i){return Ve.makeRotationFromQuaternion(t),this.setFromRotationMatrix(Ve,e,i)}setFromVector3(t,e=this._order){return this.set(t.x,t.y,t.z,e)}reorder(t){return He.setFromEuler(this),this.setFromQuaternion(He,t)}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._order===this._order}fromArray(t){return this._x=t[0],this._y=t[1],this._z=t[2],void 0!==t[3]&&(this._order=t[3]),this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._order,t}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}toVector3(){console.error("THREE.Euler: .toVector3() has been removed. Use Vector3.setFromEuler() instead")}}We.DefaultOrder="XYZ",We.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"];class je{constructor(){this.mask=1}set(t){this.mask=(1<<t|0)>>>0}enable(t){this.mask|=1<<t|0}enableAll(){this.mask=-1}toggle(t){this.mask^=1<<t|0}disable(t){this.mask&=~(1<<t|0)}disableAll(){this.mask=0}test(t){return 0!=(this.mask&t.mask)}isEnabled(t){return 0!=(this.mask&(1<<t|0))}}let qe=0;const Xe=new ne,Ye=new ie,Ze=new Ne,Je=new ne,Ke=new ne,$e=new ne,Qe=new ie,ti=new ne(1,0,0),ei=new ne(0,1,0),ii=new ne(0,0,1),ni={type:"added"},ri={type:"removed"};class si extends mt{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:qe++}),this.uuid=_t(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=si.DefaultUp.clone();const t=new ne,e=new We,i=new ie,n=new ne(1,1,1);e._onChange((function(){i.setFromEuler(e,!1)})),i._onChange((function(){e.setFromQuaternion(i,void 0,!1)})),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:e},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:n},modelViewMatrix:{value:new Ne},normalMatrix:{value:new Rt}}),this.matrix=new Ne,this.matrixWorld=new Ne,this.matrixAutoUpdate=si.DefaultMatrixAutoUpdate,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=si.DefaultMatrixWorldAutoUpdate,this.layers=new je,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeRender(){}onAfterRender(){}applyMatrix4(t){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(t),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(t){return this.quaternion.premultiply(t),this}setRotationFromAxisAngle(t,e){this.quaternion.setFromAxisAngle(t,e)}setRotationFromEuler(t){this.quaternion.setFromEuler(t,!0)}setRotationFromMatrix(t){this.quaternion.setFromRotationMatrix(t)}setRotationFromQuaternion(t){this.quaternion.copy(t)}rotateOnAxis(t,e){return Ye.setFromAxisAngle(t,e),this.quaternion.multiply(Ye),this}rotateOnWorldAxis(t,e){return Ye.setFromAxisAngle(t,e),this.quaternion.premultiply(Ye),this}rotateX(t){return this.rotateOnAxis(ti,t)}rotateY(t){return this.rotateOnAxis(ei,t)}rotateZ(t){return this.rotateOnAxis(ii,t)}translateOnAxis(t,e){return Xe.copy(t).applyQuaternion(this.quaternion),this.position.add(Xe.multiplyScalar(e)),this}translateX(t){return this.translateOnAxis(ti,t)}translateY(t){return this.translateOnAxis(ei,t)}translateZ(t){return this.translateOnAxis(ii,t)}localToWorld(t){return t.applyMatrix4(this.matrixWorld)}worldToLocal(t){return t.applyMatrix4(Ze.copy(this.matrixWorld).invert())}lookAt(t,e,i){t.isVector3?Je.copy(t):Je.set(t,e,i);const n=this.parent;this.updateWorldMatrix(!0,!1),Ke.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Ze.lookAt(Ke,Je,this.up):Ze.lookAt(Je,Ke,this.up),this.quaternion.setFromRotationMatrix(Ze),n&&(Ze.extractRotation(n.matrixWorld),Ye.setFromRotationMatrix(Ze),this.quaternion.premultiply(Ye.invert()))}add(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return t===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",t),this):(t&&t.isObject3D?(null!==t.parent&&t.parent.remove(t),t.parent=this,this.children.push(t),t.dispatchEvent(ni)):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",t),this)}remove(t){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.remove(arguments[t]);return this}const e=this.children.indexOf(t);return-1!==e&&(t.parent=null,this.children.splice(e,1),t.dispatchEvent(ri)),this}removeFromParent(){const t=this.parent;return null!==t&&t.remove(this),this}clear(){for(let t=0;t<this.children.length;t++){const e=this.children[t];e.parent=null,e.dispatchEvent(ri)}return this.children.length=0,this}attach(t){return this.updateWorldMatrix(!0,!1),Ze.copy(this.matrixWorld).invert(),null!==t.parent&&(t.parent.updateWorldMatrix(!0,!1),Ze.multiply(t.parent.matrixWorld)),t.applyMatrix4(Ze),this.add(t),t.updateWorldMatrix(!1,!0),this}getObjectById(t){return this.getObjectByProperty("id",t)}getObjectByName(t){return this.getObjectByProperty("name",t)}getObjectByProperty(t,e){if(this[t]===e)return this;for(let i=0,n=this.children.length;i<n;i++){const n=this.children[i].getObjectByProperty(t,e);if(void 0!==n)return n}}getWorldPosition(t){return this.updateWorldMatrix(!0,!1),t.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ke,t,$e),t}getWorldScale(t){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ke,Qe,t),t}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(e[8],e[9],e[10]).normalize()}raycast(){}traverse(t){t(this);const e=this.children;for(let i=0,n=e.length;i<n;i++)e[i].traverse(t)}traverseVisible(t){if(!1===this.visible)return;t(this);const e=this.children;for(let i=0,n=e.length;i<n;i++)e[i].traverseVisible(t)}traverseAncestors(t){const e=this.parent;null!==e&&(t(e),e.traverseAncestors(t))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(t){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||t)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,t=!0);const e=this.children;for(let i=0,n=e.length;i<n;i++){const n=e[i];!0!==n.matrixWorldAutoUpdate&&!0!==t||n.updateMatrixWorld(t)}}updateWorldMatrix(t,e){const i=this.parent;if(!0===t&&null!==i&&!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===e){const t=this.children;for(let e=0,i=t.length;e<i;e++){const i=t[e];!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!1,!0)}}}toJSON(t){const e=void 0===t||"string"==typeof t,i={};e&&(t={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});const n={};function r(e,i){return void 0===e[i.uuid]&&(e[i.uuid]=i.toJSON(t)),i.uuid}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),!1===this.frustumCulled&&(n.frustumCulled=!1),0!==this.renderOrder&&(n.renderOrder=this.renderOrder),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),!1===this.matrixAutoUpdate&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(n.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(t).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(n.environment=this.environment.toJSON(t).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=r(t.geometries,this.geometry);const e=this.geometry.parameters;if(void 0!==e&&void 0!==e.shapes){const i=e.shapes;if(Array.isArray(i))for(let e=0,n=i.length;e<n;e++){const n=i[e];r(t.shapes,n)}else r(t.shapes,i)}}if(this.isSkinnedMesh&&(n.bindMode=this.bindMode,n.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(t.skeletons,this.skeleton),n.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const e=[];for(let i=0,n=this.material.length;i<n;i++)e.push(r(t.materials,this.material[i]));n.material=e}else n.material=r(t.materials,this.material);if(this.children.length>0){n.children=[];for(let e=0;e<this.children.length;e++)n.children.push(this.children[e].toJSON(t).object)}if(this.animations.length>0){n.animations=[];for(let e=0;e<this.animations.length;e++){const i=this.animations[e];n.animations.push(r(t.animations,i))}}if(e){const e=s(t.geometries),n=s(t.materials),r=s(t.textures),a=s(t.images),o=s(t.shapes),l=s(t.skeletons),c=s(t.animations),h=s(t.nodes);e.length>0&&(i.geometries=e),n.length>0&&(i.materials=n),r.length>0&&(i.textures=r),a.length>0&&(i.images=a),o.length>0&&(i.shapes=o),l.length>0&&(i.skeletons=l),c.length>0&&(i.animations=c),h.length>0&&(i.nodes=h)}return i.object=n,i;function s(t){const e=[];for(const i in t){const n=t[i];delete n.metadata,e.push(n)}return e}}clone(t){return(new this.constructor).copy(this,t)}copy(t,e=!0){if(this.name=t.name,this.up.copy(t.up),this.position.copy(t.position),this.rotation.order=t.rotation.order,this.quaternion.copy(t.quaternion),this.scale.copy(t.scale),this.matrix.copy(t.matrix),this.matrixWorld.copy(t.matrixWorld),this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrixWorldNeedsUpdate=t.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=t.matrixWorldAutoUpdate,this.layers.mask=t.layers.mask,this.visible=t.visible,this.castShadow=t.castShadow,this.receiveShadow=t.receiveShadow,this.frustumCulled=t.frustumCulled,this.renderOrder=t.renderOrder,this.userData=JSON.parse(JSON.stringify(t.userData)),!0===e)for(let e=0;e<t.children.length;e++){const i=t.children[e];this.add(i.clone())}return this}}si.DefaultUp=new ne(0,1,0),si.DefaultMatrixAutoUpdate=!0,si.DefaultMatrixWorldAutoUpdate=!0;const ai=new ne,oi=new ne,li=new ne,ci=new ne,hi=new ne,ui=new ne,di=new ne,pi=new ne,mi=new ne,fi=new ne;class gi{constructor(t=new ne,e=new ne,i=new ne){this.a=t,this.b=e,this.c=i}static getNormal(t,e,i,n){n.subVectors(i,e),ai.subVectors(t,e),n.cross(ai);const r=n.lengthSq();return r>0?n.multiplyScalar(1/Math.sqrt(r)):n.set(0,0,0)}static getBarycoord(t,e,i,n,r){ai.subVectors(n,e),oi.subVectors(i,e),li.subVectors(t,e);const s=ai.dot(ai),a=ai.dot(oi),o=ai.dot(li),l=oi.dot(oi),c=oi.dot(li),h=s*l-a*a;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-a*c)*u,p=(s*c-a*o)*u;return r.set(1-d-p,p,d)}static containsPoint(t,e,i,n){return this.getBarycoord(t,e,i,n,ci),ci.x>=0&&ci.y>=0&&ci.x+ci.y<=1}static getUV(t,e,i,n,r,s,a,o){return this.getBarycoord(t,e,i,n,ci),o.set(0,0),o.addScaledVector(r,ci.x),o.addScaledVector(s,ci.y),o.addScaledVector(a,ci.z),o}static isFrontFacing(t,e,i,n){return ai.subVectors(i,e),oi.subVectors(t,e),ai.cross(oi).dot(n)<0}set(t,e,i){return this.a.copy(t),this.b.copy(e),this.c.copy(i),this}setFromPointsAndIndices(t,e,i,n){return this.a.copy(t[e]),this.b.copy(t[i]),this.c.copy(t[n]),this}setFromAttributeAndIndices(t,e,i,n){return this.a.fromBufferAttribute(t,e),this.b.fromBufferAttribute(t,i),this.c.fromBufferAttribute(t,n),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.a.copy(t.a),this.b.copy(t.b),this.c.copy(t.c),this}getArea(){return ai.subVectors(this.c,this.b),oi.subVectors(this.a,this.b),.5*ai.cross(oi).length()}getMidpoint(t){return t.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(t){return gi.getNormal(this.a,this.b,this.c,t)}getPlane(t){return t.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(t,e){return gi.getBarycoord(t,this.a,this.b,this.c,e)}getUV(t,e,i,n,r){return gi.getUV(t,this.a,this.b,this.c,e,i,n,r)}containsPoint(t){return gi.containsPoint(t,this.a,this.b,this.c)}isFrontFacing(t){return gi.isFrontFacing(this.a,this.b,this.c,t)}intersectsBox(t){return t.intersectsTriangle(this)}closestPointToPoint(t,e){const i=this.a,n=this.b,r=this.c;let s,a;hi.subVectors(n,i),ui.subVectors(r,i),pi.subVectors(t,i);const o=hi.dot(pi),l=ui.dot(pi);if(o<=0&&l<=0)return e.copy(i);mi.subVectors(t,n);const c=hi.dot(mi),h=ui.dot(mi);if(c>=0&&h<=c)return e.copy(n);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return s=o/(o-c),e.copy(i).addScaledVector(hi,s);fi.subVectors(t,r);const d=hi.dot(fi),p=ui.dot(fi);if(p>=0&&d<=p)return e.copy(r);const m=d*l-o*p;if(m<=0&&l>=0&&p<=0)return a=l/(l-p),e.copy(i).addScaledVector(ui,a);const f=c*p-d*h;if(f<=0&&h-c>=0&&d-p>=0)return di.subVectors(r,n),a=(h-c)/(h-c+(d-p)),e.copy(n).addScaledVector(di,a);const g=1/(f+m+u);return s=m*g,a=u*g,e.copy(i).addScaledVector(hi,s).addScaledVector(ui,a)}equals(t){return t.a.equals(this.a)&&t.b.equals(this.b)&&t.c.equals(this.c)}}let vi=0;class xi extends mt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:vi++}),this.uuid=_t(),this.name="",this.type="Material",this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=i,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ht,this.stencilZFail=ht,this.stencilZPass=ht,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(t){this._alphaTest>0!=t>0&&this.version++,this._alphaTest=t}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(t){if(void 0!==t)for(const e in t){const i=t[e];if(void 0===i){console.warn("THREE.Material: '"+e+"' parameter is undefined.");continue}const n=this[e];void 0!==n?n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[e]=i:console.warn("THREE."+this.type+": '"+e+"' is not a property of this material.")}}toJSON(t){const e=void 0===t||"string"==typeof t;e&&(t={textures:{},images:{}});const i={metadata:{version:4.5,type:"Material",generator:"Material.toJSON"}};function n(t){const e=[];for(const i in t){const n=t[i];delete n.metadata,e.push(n)}return e}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(t).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(t).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(t).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(t).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(t).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(t).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(t).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(t).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(t).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(t).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(t).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(t).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(t).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(t).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(t).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(t).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(t).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(t).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(t).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(t).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(t).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(t).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(t).uuid),void 0!==this.attenuationDistance&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),1!==this.blending&&(i.blending=this.blending),0!==this.side&&(i.side=this.side),this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=this.transparent),i.depthFunc=this.depthFunc,i.depthTest=this.depthTest,i.depthWrite=this.depthWrite,i.colorWrite=this.colorWrite,i.stencilWrite=this.stencilWrite,i.stencilWriteMask=this.stencilWriteMask,i.stencilFunc=this.stencilFunc,i.stencilRef=this.stencilRef,i.stencilFuncMask=this.stencilFuncMask,i.stencilFail=this.stencilFail,i.stencilZFail=this.stencilZFail,i.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaToCoverage&&(i.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(i.wireframe=this.wireframe),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=this.flatShading),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),"{}"!==JSON.stringify(this.userData)&&(i.userData=this.userData),e){const e=n(t.textures),r=n(t.images);e.length>0&&(i.textures=e),r.length>0&&(i.images=r)}return i}clone(){return(new this.constructor).copy(this)}copy(t){this.name=t.name,this.blending=t.blending,this.side=t.side,this.vertexColors=t.vertexColors,this.opacity=t.opacity,this.transparent=t.transparent,this.blendSrc=t.blendSrc,this.blendDst=t.blendDst,this.blendEquation=t.blendEquation,this.blendSrcAlpha=t.blendSrcAlpha,this.blendDstAlpha=t.blendDstAlpha,this.blendEquationAlpha=t.blendEquationAlpha,this.depthFunc=t.depthFunc,this.depthTest=t.depthTest,this.depthWrite=t.depthWrite,this.stencilWriteMask=t.stencilWriteMask,this.stencilFunc=t.stencilFunc,this.stencilRef=t.stencilRef,this.stencilFuncMask=t.stencilFuncMask,this.stencilFail=t.stencilFail,this.stencilZFail=t.stencilZFail,this.stencilZPass=t.stencilZPass,this.stencilWrite=t.stencilWrite;const e=t.clippingPlanes;let i=null;if(null!==e){const t=e.length;i=new Array(t);for(let n=0;n!==t;++n)i[n]=e[n].clone()}return this.clippingPlanes=i,this.clipIntersection=t.clipIntersection,this.clipShadows=t.clipShadows,this.shadowSide=t.shadowSide,this.colorWrite=t.colorWrite,this.precision=t.precision,this.polygonOffset=t.polygonOffset,this.polygonOffsetFactor=t.polygonOffsetFactor,this.polygonOffsetUnits=t.polygonOffsetUnits,this.dithering=t.dithering,this.alphaTest=t.alphaTest,this.alphaToCoverage=t.alphaToCoverage,this.premultipliedAlpha=t.premultipliedAlpha,this.visible=t.visible,this.toneMapped=t.toneMapped,this.userData=JSON.parse(JSON.stringify(t.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(t){!0===t&&this.version++}}class _i extends xi{constructor(t){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new jt(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}const yi=new ne,Mi=new Lt;class bi{constructor(t,e,i){if(Array.isArray(t))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=t,this.itemSize=e,this.count=void 0!==t?t.length/e:0,this.normalized=!0===i,this.usage=ut,this.updateRange={offset:0,count:-1},this.version=0}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.name=t.name,this.array=new t.array.constructor(t.array),this.itemSize=t.itemSize,this.count=t.count,this.normalized=t.normalized,this.usage=t.usage,this}copyAt(t,e,i){t*=this.itemSize,i*=e.itemSize;for(let n=0,r=this.itemSize;n<r;n++)this.array[t+n]=e.array[i+n];return this}copyArray(t){return this.array.set(t),this}applyMatrix3(t){if(2===this.itemSize)for(let e=0,i=this.count;e<i;e++)Mi.fromBufferAttribute(this,e),Mi.applyMatrix3(t),this.setXY(e,Mi.x,Mi.y);else if(3===this.itemSize)for(let e=0,i=this.count;e<i;e++)yi.fromBufferAttribute(this,e),yi.applyMatrix3(t),this.setXYZ(e,yi.x,yi.y,yi.z);return this}applyMatrix4(t){for(let e=0,i=this.count;e<i;e++)yi.fromBufferAttribute(this,e),yi.applyMatrix4(t),this.setXYZ(e,yi.x,yi.y,yi.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)yi.fromBufferAttribute(this,e),yi.applyNormalMatrix(t),this.setXYZ(e,yi.x,yi.y,yi.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)yi.fromBufferAttribute(this,e),yi.transformDirection(t),this.setXYZ(e,yi.x,yi.y,yi.z);return this}set(t,e=0){return this.array.set(t,e),this}getX(t){let e=this.array[t*this.itemSize];return this.normalized&&(e=At(e,this.array)),e}setX(t,e){return this.normalized&&(e=Et(e,this.array)),this.array[t*this.itemSize]=e,this}getY(t){let e=this.array[t*this.itemSize+1];return this.normalized&&(e=At(e,this.array)),e}setY(t,e){return this.normalized&&(e=Et(e,this.array)),this.array[t*this.itemSize+1]=e,this}getZ(t){let e=this.array[t*this.itemSize+2];return this.normalized&&(e=At(e,this.array)),e}setZ(t,e){return this.normalized&&(e=Et(e,this.array)),this.array[t*this.itemSize+2]=e,this}getW(t){let e=this.array[t*this.itemSize+3];return this.normalized&&(e=At(e,this.array)),e}setW(t,e){return this.normalized&&(e=Et(e,this.array)),this.array[t*this.itemSize+3]=e,this}setXY(t,e,i){return t*=this.itemSize,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array)),this.array[t+0]=e,this.array[t+1]=i,this}setXYZ(t,e,i,n){return t*=this.itemSize,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array),n=Et(n,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=n,this}setXYZW(t,e,i,n,r){return t*=this.itemSize,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array),n=Et(n,this.array),r=Et(r,this.array)),this.array[t+0]=e,this.array[t+1]=i,this.array[t+2]=n,this.array[t+3]=r,this}onUpload(t){return this.onUploadCallback=t,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const t={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(t.name=this.name),this.usage!==ut&&(t.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(t.updateRange=this.updateRange),t}copyColorsArray(){console.error("THREE.BufferAttribute: copyColorsArray() was removed in r144.")}copyVector2sArray(){console.error("THREE.BufferAttribute: copyVector2sArray() was removed in r144.")}copyVector3sArray(){console.error("THREE.BufferAttribute: copyVector3sArray() was removed in r144.")}copyVector4sArray(){console.error("THREE.BufferAttribute: copyVector4sArray() was removed in r144.")}}class Si extends bi{constructor(t,e,i){super(new Uint16Array(t),e,i)}}class wi extends bi{constructor(t,e,i){super(new Uint32Array(t),e,i)}}class Ti extends bi{constructor(t,e,i){super(new Float32Array(t),e,i)}}let Ai=0;const Ei=new Ne,Ci=new si,Li=new ne,Ri=new ae,Pi=new ae,Ii=new ne;class Di extends mt{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Ai++}),this.uuid=_t(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(t){return Array.isArray(t)?this.index=new(Pt(t)?wi:Si)(t,1):this.index=t,this}getAttribute(t){return this.attributes[t]}setAttribute(t,e){return this.attributes[t]=e,this}deleteAttribute(t){return delete this.attributes[t],this}hasAttribute(t){return void 0!==this.attributes[t]}addGroup(t,e,i=0){this.groups.push({start:t,count:e,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(t,e){this.drawRange.start=t,this.drawRange.count=e}applyMatrix4(t){const e=this.attributes.position;void 0!==e&&(e.applyMatrix4(t),e.needsUpdate=!0);const i=this.attributes.normal;if(void 0!==i){const e=(new Rt).getNormalMatrix(t);i.applyNormalMatrix(e),i.needsUpdate=!0}const n=this.attributes.tangent;return void 0!==n&&(n.transformDirection(t),n.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(t){return Ei.makeRotationFromQuaternion(t),this.applyMatrix4(Ei),this}rotateX(t){return Ei.makeRotationX(t),this.applyMatrix4(Ei),this}rotateY(t){return Ei.makeRotationY(t),this.applyMatrix4(Ei),this}rotateZ(t){return Ei.makeRotationZ(t),this.applyMatrix4(Ei),this}translate(t,e,i){return Ei.makeTranslation(t,e,i),this.applyMatrix4(Ei),this}scale(t,e,i){return Ei.makeScale(t,e,i),this.applyMatrix4(Ei),this}lookAt(t){return Ci.lookAt(t),Ci.updateMatrix(),this.applyMatrix4(Ci.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Li).negate(),this.translate(Li.x,Li.y,Li.z),this}setFromPoints(t){const e=[];for(let i=0,n=t.length;i<n;i++){const n=t[i];e.push(n.x,n.y,n.z||0)}return this.setAttribute("position",new Ti(e,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ae);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new ne(-1/0,-1/0,-1/0),new ne(1/0,1/0,1/0));if(void 0!==t){if(this.boundingBox.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Ri.setFromBufferAttribute(i),this.morphTargetsRelative?(Ii.addVectors(this.boundingBox.min,Ri.min),this.boundingBox.expandByPoint(Ii),Ii.addVectors(this.boundingBox.max,Ri.max),this.boundingBox.expandByPoint(Ii)):(this.boundingBox.expandByPoint(Ri.min),this.boundingBox.expandByPoint(Ri.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new Te);const t=this.attributes.position,e=this.morphAttributes.position;if(t&&t.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new ne,1/0);if(t){const i=this.boundingSphere.center;if(Ri.setFromBufferAttribute(t),e)for(let t=0,i=e.length;t<i;t++){const i=e[t];Pi.setFromBufferAttribute(i),this.morphTargetsRelative?(Ii.addVectors(Ri.min,Pi.min),Ri.expandByPoint(Ii),Ii.addVectors(Ri.max,Pi.max),Ri.expandByPoint(Ii)):(Ri.expandByPoint(Pi.min),Ri.expandByPoint(Pi.max))}Ri.getCenter(i);let n=0;for(let e=0,r=t.count;e<r;e++)Ii.fromBufferAttribute(t,e),n=Math.max(n,i.distanceToSquared(Ii));if(e)for(let r=0,s=e.length;r<s;r++){const s=e[r],a=this.morphTargetsRelative;for(let e=0,r=s.count;e<r;e++)Ii.fromBufferAttribute(s,e),a&&(Li.fromBufferAttribute(t,e),Ii.add(Li)),n=Math.max(n,i.distanceToSquared(Ii))}this.boundingSphere.radius=Math.sqrt(n),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const t=this.index,e=this.attributes;if(null===t||void 0===e.position||void 0===e.normal||void 0===e.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const i=t.array,n=e.position.array,r=e.normal.array,s=e.uv.array,a=n.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new bi(new Float32Array(4*a),4));const o=this.getAttribute("tangent").array,l=[],c=[];for(let t=0;t<a;t++)l[t]=new ne,c[t]=new ne;const h=new ne,u=new ne,d=new ne,p=new Lt,m=new Lt,f=new Lt,g=new ne,v=new ne;function x(t,e,i){h.fromArray(n,3*t),u.fromArray(n,3*e),d.fromArray(n,3*i),p.fromArray(s,2*t),m.fromArray(s,2*e),f.fromArray(s,2*i),u.sub(h),d.sub(h),m.sub(p),f.sub(p);const r=1/(m.x*f.y-f.x*m.y);isFinite(r)&&(g.copy(u).multiplyScalar(f.y).addScaledVector(d,-m.y).multiplyScalar(r),v.copy(d).multiplyScalar(m.x).addScaledVector(u,-f.x).multiplyScalar(r),l[t].add(g),l[e].add(g),l[i].add(g),c[t].add(v),c[e].add(v),c[i].add(v))}let _=this.groups;0===_.length&&(_=[{start:0,count:i.length}]);for(let t=0,e=_.length;t<e;++t){const e=_[t],n=e.start;for(let t=n,r=n+e.count;t<r;t+=3)x(i[t+0],i[t+1],i[t+2])}const y=new ne,M=new ne,b=new ne,S=new ne;function w(t){b.fromArray(r,3*t),S.copy(b);const e=l[t];y.copy(e),y.sub(b.multiplyScalar(b.dot(e))).normalize(),M.crossVectors(S,e);const i=M.dot(c[t])<0?-1:1;o[4*t]=y.x,o[4*t+1]=y.y,o[4*t+2]=y.z,o[4*t+3]=i}for(let t=0,e=_.length;t<e;++t){const e=_[t],n=e.start;for(let t=n,r=n+e.count;t<r;t+=3)w(i[t+0]),w(i[t+1]),w(i[t+2])}}computeVertexNormals(){const t=this.index,e=this.getAttribute("position");if(void 0!==e){let i=this.getAttribute("normal");if(void 0===i)i=new bi(new Float32Array(3*e.count),3),this.setAttribute("normal",i);else for(let t=0,e=i.count;t<e;t++)i.setXYZ(t,0,0,0);const n=new ne,r=new ne,s=new ne,a=new ne,o=new ne,l=new ne,c=new ne,h=new ne;if(t)for(let u=0,d=t.count;u<d;u+=3){const d=t.getX(u+0),p=t.getX(u+1),m=t.getX(u+2);n.fromBufferAttribute(e,d),r.fromBufferAttribute(e,p),s.fromBufferAttribute(e,m),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),a.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),l.fromBufferAttribute(i,m),a.add(c),o.add(c),l.add(c),i.setXYZ(d,a.x,a.y,a.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(m,l.x,l.y,l.z)}else for(let t=0,a=e.count;t<a;t+=3)n.fromBufferAttribute(e,t+0),r.fromBufferAttribute(e,t+1),s.fromBufferAttribute(e,t+2),c.subVectors(s,r),h.subVectors(n,r),c.cross(h),i.setXYZ(t+0,c.x,c.y,c.z),i.setXYZ(t+1,c.x,c.y,c.z),i.setXYZ(t+2,c.x,c.y,c.z);this.normalizeNormals(),i.needsUpdate=!0}}merge(){return console.error("THREE.BufferGeometry.merge() has been removed. Use THREE.BufferGeometryUtils.mergeBufferGeometries() instead."),this}normalizeNormals(){const t=this.attributes.normal;for(let e=0,i=t.count;e<i;e++)Ii.fromBufferAttribute(t,e),Ii.normalize(),t.setXYZ(e,Ii.x,Ii.y,Ii.z)}toNonIndexed(){function t(t,e){const i=t.array,n=t.itemSize,r=t.normalized,s=new i.constructor(e.length*n);let a=0,o=0;for(let r=0,l=e.length;r<l;r++){a=t.isInterleavedBufferAttribute?e[r]*t.data.stride+t.offset:e[r]*n;for(let t=0;t<n;t++)s[o++]=i[a++]}return new bi(s,n,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const e=new Di,i=this.index.array,n=this.attributes;for(const r in n){const s=t(n[r],i);e.setAttribute(r,s)}const r=this.morphAttributes;for(const n in r){const s=[],a=r[n];for(let e=0,n=a.length;e<n;e++){const n=t(a[e],i);s.push(n)}e.morphAttributes[n]=s}e.morphTargetsRelative=this.morphTargetsRelative;const s=this.groups;for(let t=0,i=s.length;t<i;t++){const i=s[t];e.addGroup(i.start,i.count,i.materialIndex)}return e}toJSON(){const t={metadata:{version:4.5,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(t.uuid=this.uuid,t.type=this.type,""!==this.name&&(t.name=this.name),Object.keys(this.userData).length>0&&(t.userData=this.userData),void 0!==this.parameters){const e=this.parameters;for(const i in e)void 0!==e[i]&&(t[i]=e[i]);return t}t.data={attributes:{}};const e=this.index;null!==e&&(t.data.index={type:e.array.constructor.name,array:Array.prototype.slice.call(e.array)});const i=this.attributes;for(const e in i){const n=i[e];t.data.attributes[e]=n.toJSON(t.data)}const n={};let r=!1;for(const e in this.morphAttributes){const i=this.morphAttributes[e],s=[];for(let e=0,n=i.length;e<n;e++){const n=i[e];s.push(n.toJSON(t.data))}s.length>0&&(n[e]=s,r=!0)}r&&(t.data.morphAttributes=n,t.data.morphTargetsRelative=this.morphTargetsRelative);const s=this.groups;s.length>0&&(t.data.groups=JSON.parse(JSON.stringify(s)));const a=this.boundingSphere;return null!==a&&(t.data.boundingSphere={center:a.center.toArray(),radius:a.radius}),t}clone(){return(new this.constructor).copy(this)}copy(t){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const e={};this.name=t.name;const i=t.index;null!==i&&this.setIndex(i.clone(e));const n=t.attributes;for(const t in n){const i=n[t];this.setAttribute(t,i.clone(e))}const r=t.morphAttributes;for(const t in r){const i=[],n=r[t];for(let t=0,r=n.length;t<r;t++)i.push(n[t].clone(e));this.morphAttributes[t]=i}this.morphTargetsRelative=t.morphTargetsRelative;const s=t.groups;for(let t=0,e=s.length;t<e;t++){const e=s[t];this.addGroup(e.start,e.count,e.materialIndex)}const a=t.boundingBox;null!==a&&(this.boundingBox=a.clone());const o=t.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=t.drawRange.start,this.drawRange.count=t.drawRange.count,this.userData=t.userData,void 0!==t.parameters&&(this.parameters=Object.assign({},t.parameters)),this}dispose(){this.dispatchEvent({type:"dispose"})}}const Ni=new Ne,Oi=new De,zi=new Te,Ui=new ne,Bi=new ne,Fi=new ne,ki=new ne,Gi=new ne,Vi=new ne,Hi=new ne,Wi=new ne,ji=new ne,qi=new Lt,Xi=new Lt,Yi=new Lt,Zi=new ne,Ji=new ne;class Ki extends si{constructor(t=new Di,e=new _i){super(),this.isMesh=!0,this.type="Mesh",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),void 0!==t.morphTargetInfluences&&(this.morphTargetInfluences=t.morphTargetInfluences.slice()),void 0!==t.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},t.morphTargetDictionary)),this.material=t.material,this.geometry=t.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}raycast(t,e){const i=this.geometry,n=this.material,r=this.matrixWorld;if(void 0===n)return;if(null===i.boundingSphere&&i.computeBoundingSphere(),zi.copy(i.boundingSphere),zi.applyMatrix4(r),!1===t.ray.intersectsSphere(zi))return;if(Ni.copy(r).invert(),Oi.copy(t.ray).applyMatrix4(Ni),null!==i.boundingBox&&!1===Oi.intersectsBox(i.boundingBox))return;let s;const a=i.index,o=i.attributes.position,l=i.morphAttributes.position,c=i.morphTargetsRelative,h=i.attributes.uv,u=i.attributes.uv2,d=i.groups,p=i.drawRange;if(null!==a)if(Array.isArray(n))for(let i=0,r=d.length;i<r;i++){const r=d[i],m=n[r.materialIndex];for(let i=Math.max(r.start,p.start),n=Math.min(a.count,Math.min(r.start+r.count,p.start+p.count));i<n;i+=3){const n=a.getX(i),d=a.getX(i+1),p=a.getX(i+2);s=$i(this,m,t,Oi,o,l,c,h,u,n,d,p),s&&(s.faceIndex=Math.floor(i/3),s.face.materialIndex=r.materialIndex,e.push(s))}}else{for(let i=Math.max(0,p.start),r=Math.min(a.count,p.start+p.count);i<r;i+=3){const r=a.getX(i),d=a.getX(i+1),p=a.getX(i+2);s=$i(this,n,t,Oi,o,l,c,h,u,r,d,p),s&&(s.faceIndex=Math.floor(i/3),e.push(s))}}else if(void 0!==o)if(Array.isArray(n))for(let i=0,r=d.length;i<r;i++){const r=d[i],a=n[r.materialIndex];for(let i=Math.max(r.start,p.start),n=Math.min(o.count,Math.min(r.start+r.count,p.start+p.count));i<n;i+=3){s=$i(this,a,t,Oi,o,l,c,h,u,i,i+1,i+2),s&&(s.faceIndex=Math.floor(i/3),s.face.materialIndex=r.materialIndex,e.push(s))}}else{for(let i=Math.max(0,p.start),r=Math.min(o.count,p.start+p.count);i<r;i+=3){s=$i(this,n,t,Oi,o,l,c,h,u,i,i+1,i+2),s&&(s.faceIndex=Math.floor(i/3),e.push(s))}}}}function $i(t,e,i,n,r,s,a,o,l,c,h,u){Ui.fromBufferAttribute(r,c),Bi.fromBufferAttribute(r,h),Fi.fromBufferAttribute(r,u);const d=t.morphTargetInfluences;if(s&&d){Hi.set(0,0,0),Wi.set(0,0,0),ji.set(0,0,0);for(let t=0,e=s.length;t<e;t++){const e=d[t],i=s[t];0!==e&&(ki.fromBufferAttribute(i,c),Gi.fromBufferAttribute(i,h),Vi.fromBufferAttribute(i,u),a?(Hi.addScaledVector(ki,e),Wi.addScaledVector(Gi,e),ji.addScaledVector(Vi,e)):(Hi.addScaledVector(ki.sub(Ui),e),Wi.addScaledVector(Gi.sub(Bi),e),ji.addScaledVector(Vi.sub(Fi),e)))}Ui.add(Hi),Bi.add(Wi),Fi.add(ji)}t.isSkinnedMesh&&(t.boneTransform(c,Ui),t.boneTransform(h,Bi),t.boneTransform(u,Fi));const p=function(t,e,i,n,r,s,a,o){let l;if(l=1===e.side?n.intersectTriangle(a,s,r,!0,o):n.intersectTriangle(r,s,a,2!==e.side,o),null===l)return null;Ji.copy(o),Ji.applyMatrix4(t.matrixWorld);const c=i.ray.origin.distanceTo(Ji);return c<i.near||c>i.far?null:{distance:c,point:Ji.clone(),object:t}}(t,e,i,n,Ui,Bi,Fi,Zi);if(p){o&&(qi.fromBufferAttribute(o,c),Xi.fromBufferAttribute(o,h),Yi.fromBufferAttribute(o,u),p.uv=gi.getUV(Zi,Ui,Bi,Fi,qi,Xi,Yi,new Lt)),l&&(qi.fromBufferAttribute(l,c),Xi.fromBufferAttribute(l,h),Yi.fromBufferAttribute(l,u),p.uv2=gi.getUV(Zi,Ui,Bi,Fi,qi,Xi,Yi,new Lt));const t={a:c,b:h,c:u,normal:new ne,materialIndex:0};gi.getNormal(Ui,Bi,Fi,t.normal),p.face=t}return p}class Qi extends Di{constructor(t=1,e=1,i=1,n=1,r=1,s=1){super(),this.type="BoxGeometry",this.parameters={width:t,height:e,depth:i,widthSegments:n,heightSegments:r,depthSegments:s};const a=this;n=Math.floor(n),r=Math.floor(r),s=Math.floor(s);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(t,e,i,n,r,s,p,m,f,g,v){const x=s/f,_=p/g,y=s/2,M=p/2,b=m/2,S=f+1,w=g+1;let T=0,A=0;const E=new ne;for(let s=0;s<w;s++){const a=s*_-M;for(let o=0;o<S;o++){const u=o*x-y;E[t]=u*n,E[e]=a*r,E[i]=b,l.push(E.x,E.y,E.z),E[t]=0,E[e]=0,E[i]=m>0?1:-1,c.push(E.x,E.y,E.z),h.push(o/f),h.push(1-s/g),T+=1}}for(let t=0;t<g;t++)for(let e=0;e<f;e++){const i=u+e+S*t,n=u+e+S*(t+1),r=u+(e+1)+S*(t+1),s=u+(e+1)+S*t;o.push(i,n,s),o.push(n,r,s),A+=6}a.addGroup(d,A,v),d+=A,u+=T}p("z","y","x",-1,-1,i,e,t,s,r,0),p("z","y","x",1,-1,i,e,-t,s,r,1),p("x","z","y",1,1,t,i,e,n,s,2),p("x","z","y",1,-1,t,i,-e,n,s,3),p("x","y","z",1,-1,t,e,i,n,r,4),p("x","y","z",-1,-1,t,e,-i,n,r,5),this.setIndex(o),this.setAttribute("position",new Ti(l,3)),this.setAttribute("normal",new Ti(c,3)),this.setAttribute("uv",new Ti(h,2))}static fromJSON(t){return new Qi(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}}function tn(t){const e={};for(const i in t){e[i]={};for(const n in t[i]){const r=t[i][n];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?e[i][n]=r.clone():Array.isArray(r)?e[i][n]=r.slice():e[i][n]=r}}return e}function en(t){const e={};for(let i=0;i<t.length;i++){const n=tn(t[i]);for(const t in n)e[t]=n[t]}return e}const nn={clone:tn,merge:en};class rn extends xi{constructor(t){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv2:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==t&&this.setValues(t)}copy(t){return super.copy(t),this.fragmentShader=t.fragmentShader,this.vertexShader=t.vertexShader,this.uniforms=tn(t.uniforms),this.uniformsGroups=function(t){const e=[];for(let i=0;i<t.length;i++)e.push(t[i].clone());return e}(t.uniformsGroups),this.defines=Object.assign({},t.defines),this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.fog=t.fog,this.lights=t.lights,this.clipping=t.clipping,this.extensions=Object.assign({},t.extensions),this.glslVersion=t.glslVersion,this}toJSON(t){const e=super.toJSON(t);e.glslVersion=this.glslVersion,e.uniforms={};for(const i in this.uniforms){const n=this.uniforms[i].value;n&&n.isTexture?e.uniforms[i]={type:"t",value:n.toJSON(t).uuid}:n&&n.isColor?e.uniforms[i]={type:"c",value:n.getHex()}:n&&n.isVector2?e.uniforms[i]={type:"v2",value:n.toArray()}:n&&n.isVector3?e.uniforms[i]={type:"v3",value:n.toArray()}:n&&n.isVector4?e.uniforms[i]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?e.uniforms[i]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?e.uniforms[i]={type:"m4",value:n.toArray()}:e.uniforms[i]={value:n}}Object.keys(this.defines).length>0&&(e.defines=this.defines),e.vertexShader=this.vertexShader,e.fragmentShader=this.fragmentShader;const i={};for(const t in this.extensions)!0===this.extensions[t]&&(i[t]=!0);return Object.keys(i).length>0&&(e.extensions=i),e}}class sn extends si{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Ne,this.projectionMatrix=new Ne,this.projectionMatrixInverse=new Ne}copy(t,e){return super.copy(t,e),this.matrixWorldInverse.copy(t.matrixWorldInverse),this.projectionMatrix.copy(t.projectionMatrix),this.projectionMatrixInverse.copy(t.projectionMatrixInverse),this}getWorldDirection(t){this.updateWorldMatrix(!0,!1);const e=this.matrixWorld.elements;return t.set(-e[8],-e[9],-e[10]).normalize()}updateMatrixWorld(t){super.updateMatrixWorld(t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(t,e){super.updateWorldMatrix(t,e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return(new this.constructor).copy(this)}}class an extends sn{constructor(t=50,e=1,i=.1,n=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=t,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=e,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.fov=t.fov,this.zoom=t.zoom,this.near=t.near,this.far=t.far,this.focus=t.focus,this.aspect=t.aspect,this.view=null===t.view?null:Object.assign({},t.view),this.filmGauge=t.filmGauge,this.filmOffset=t.filmOffset,this}setFocalLength(t){const e=.5*this.getFilmHeight()/t;this.fov=2*xt*Math.atan(e),this.updateProjectionMatrix()}getFocalLength(){const t=Math.tan(.5*vt*this.fov);return.5*this.getFilmHeight()/t}getEffectiveFOV(){return 2*xt*Math.atan(Math.tan(.5*vt*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(t,e,i,n,r,s){this.aspect=t/e,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=n,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=this.near;let e=t*Math.tan(.5*vt*this.fov)/this.zoom,i=2*e,n=this.aspect*i,r=-.5*n;const s=this.view;if(null!==this.view&&this.view.enabled){const t=s.fullWidth,a=s.fullHeight;r+=s.offsetX*n/t,e-=s.offsetY*i/a,n*=s.width/t,i*=s.height/a}const a=this.filmOffset;0!==a&&(r+=t*a/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+n,e,e-i,t,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.fov=this.fov,e.object.zoom=this.zoom,e.object.near=this.near,e.object.far=this.far,e.object.focus=this.focus,e.object.aspect=this.aspect,null!==this.view&&(e.object.view=Object.assign({},this.view)),e.object.filmGauge=this.filmGauge,e.object.filmOffset=this.filmOffset,e}}const on=90;class ln extends si{constructor(t,e,i){super(),this.type="CubeCamera",this.renderTarget=i;const n=new an(on,1,t,e);n.layers=this.layers,n.up.set(0,-1,0),n.lookAt(new ne(1,0,0)),this.add(n);const r=new an(on,1,t,e);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new ne(-1,0,0)),this.add(r);const s=new an(on,1,t,e);s.layers=this.layers,s.up.set(0,0,1),s.lookAt(new ne(0,1,0)),this.add(s);const a=new an(on,1,t,e);a.layers=this.layers,a.up.set(0,0,-1),a.lookAt(new ne(0,-1,0)),this.add(a);const o=new an(on,1,t,e);o.layers=this.layers,o.up.set(0,-1,0),o.lookAt(new ne(0,0,1)),this.add(o);const l=new an(on,1,t,e);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new ne(0,0,-1)),this.add(l)}update(t,e){null===this.parent&&this.updateMatrixWorld();const i=this.renderTarget,[n,r,s,a,o,l]=this.children,c=t.getRenderTarget(),h=t.toneMapping,u=t.xr.enabled;t.toneMapping=0,t.xr.enabled=!1;const d=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,t.setRenderTarget(i,0),t.render(e,n),t.setRenderTarget(i,1),t.render(e,r),t.setRenderTarget(i,2),t.render(e,s),t.setRenderTarget(i,3),t.render(e,a),t.setRenderTarget(i,4),t.render(e,o),i.texture.generateMipmaps=d,t.setRenderTarget(i,5),t.render(e,l),t.setRenderTarget(c),t.toneMapping=h,t.xr.enabled=u,i.texture.needsPMREMUpdate=!0}}class cn extends Kt{constructor(t,e,i,n,s,a,o,l,c,h){super(t=void 0!==t?t:[],e=void 0!==e?e:r,i,n,s,a,o,l,c,h),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(t){this.image=t}}class hn extends Qt{constructor(t,e={}){super(t,t,e),this.isWebGLCubeRenderTarget=!0;const i={width:t,height:t,depth:1},n=[i,i,i,i,i,i];this.texture=new cn(n,e.mapping,e.wrapS,e.wrapT,e.magFilter,e.minFilter,e.format,e.type,e.anisotropy,e.encoding),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==e.generateMipmaps&&e.generateMipmaps,this.texture.minFilter=void 0!==e.minFilter?e.minFilter:f}fromEquirectangularTexture(t,e){this.texture.type=e.type,this.texture.encoding=e.encoding,this.texture.generateMipmaps=e.generateMipmaps,this.texture.minFilter=e.minFilter,this.texture.magFilter=e.magFilter;const i={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},n=new Qi(5,5,5),r=new rn({name:"CubemapFromEquirect",uniforms:tn(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=e;const s=new Ki(n,r),a=e.minFilter;e.minFilter===v&&(e.minFilter=f);return new ln(1,10,this).update(t,s),e.minFilter=a,s.geometry.dispose(),s.material.dispose(),this}clear(t,e,i,n){const r=t.getRenderTarget();for(let r=0;r<6;r++)t.setRenderTarget(this,r),t.clear(e,i,n);t.setRenderTarget(r)}}const un=new ne,dn=new ne,pn=new Rt;class mn{constructor(t=new ne(1,0,0),e=0){this.isPlane=!0,this.normal=t,this.constant=e}set(t,e){return this.normal.copy(t),this.constant=e,this}setComponents(t,e,i,n){return this.normal.set(t,e,i),this.constant=n,this}setFromNormalAndCoplanarPoint(t,e){return this.normal.copy(t),this.constant=-e.dot(this.normal),this}setFromCoplanarPoints(t,e,i){const n=un.subVectors(i,e).cross(dn.subVectors(t,e)).normalize();return this.setFromNormalAndCoplanarPoint(n,t),this}copy(t){return this.normal.copy(t.normal),this.constant=t.constant,this}normalize(){const t=1/this.normal.length();return this.normal.multiplyScalar(t),this.constant*=t,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(t){return this.normal.dot(t)+this.constant}distanceToSphere(t){return this.distanceToPoint(t.center)-t.radius}projectPoint(t,e){return e.copy(this.normal).multiplyScalar(-this.distanceToPoint(t)).add(t)}intersectLine(t,e){const i=t.delta(un),n=this.normal.dot(i);if(0===n)return 0===this.distanceToPoint(t.start)?e.copy(t.start):null;const r=-(t.start.dot(this.normal)+this.constant)/n;return r<0||r>1?null:e.copy(i).multiplyScalar(r).add(t.start)}intersectsLine(t){const e=this.distanceToPoint(t.start),i=this.distanceToPoint(t.end);return e<0&&i>0||i<0&&e>0}intersectsBox(t){return t.intersectsPlane(this)}intersectsSphere(t){return t.intersectsPlane(this)}coplanarPoint(t){return t.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(t,e){const i=e||pn.getNormalMatrix(t),n=this.coplanarPoint(un).applyMatrix4(t),r=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(r),this}translate(t){return this.constant-=t.dot(this.normal),this}equals(t){return t.normal.equals(this.normal)&&t.constant===this.constant}clone(){return(new this.constructor).copy(this)}}const fn=new Te,gn=new ne;class vn{constructor(t=new mn,e=new mn,i=new mn,n=new mn,r=new mn,s=new mn){this.planes=[t,e,i,n,r,s]}set(t,e,i,n,r,s){const a=this.planes;return a[0].copy(t),a[1].copy(e),a[2].copy(i),a[3].copy(n),a[4].copy(r),a[5].copy(s),this}copy(t){const e=this.planes;for(let i=0;i<6;i++)e[i].copy(t.planes[i]);return this}setFromProjectionMatrix(t){const e=this.planes,i=t.elements,n=i[0],r=i[1],s=i[2],a=i[3],o=i[4],l=i[5],c=i[6],h=i[7],u=i[8],d=i[9],p=i[10],m=i[11],f=i[12],g=i[13],v=i[14],x=i[15];return e[0].setComponents(a-n,h-o,m-u,x-f).normalize(),e[1].setComponents(a+n,h+o,m+u,x+f).normalize(),e[2].setComponents(a+r,h+l,m+d,x+g).normalize(),e[3].setComponents(a-r,h-l,m-d,x-g).normalize(),e[4].setComponents(a-s,h-c,m-p,x-v).normalize(),e[5].setComponents(a+s,h+c,m+p,x+v).normalize(),this}intersectsObject(t){const e=t.geometry;return null===e.boundingSphere&&e.computeBoundingSphere(),fn.copy(e.boundingSphere).applyMatrix4(t.matrixWorld),this.intersectsSphere(fn)}intersectsSprite(t){return fn.center.set(0,0,0),fn.radius=.7071067811865476,fn.applyMatrix4(t.matrixWorld),this.intersectsSphere(fn)}intersectsSphere(t){const e=this.planes,i=t.center,n=-t.radius;for(let t=0;t<6;t++){if(e[t].distanceToPoint(i)<n)return!1}return!0}intersectsBox(t){const e=this.planes;for(let i=0;i<6;i++){const n=e[i];if(gn.x=n.normal.x>0?t.max.x:t.min.x,gn.y=n.normal.y>0?t.max.y:t.min.y,gn.z=n.normal.z>0?t.max.z:t.min.z,n.distanceToPoint(gn)<0)return!1}return!0}containsPoint(t){const e=this.planes;for(let i=0;i<6;i++)if(e[i].distanceToPoint(t)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function xn(){let t=null,e=!1,i=null,n=null;function r(e,s){i(e,s),n=t.requestAnimationFrame(r)}return{start:function(){!0!==e&&null!==i&&(n=t.requestAnimationFrame(r),e=!0)},stop:function(){t.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(t){i=t},setContext:function(e){t=e}}}function _n(t,e){const i=e.isWebGL2,n=new WeakMap;return{get:function(t){return t.isInterleavedBufferAttribute&&(t=t.data),n.get(t)},remove:function(e){e.isInterleavedBufferAttribute&&(e=e.data);const i=n.get(e);i&&(t.deleteBuffer(i.buffer),n.delete(e))},update:function(e,r){if(e.isGLBufferAttribute){const t=n.get(e);return void((!t||t.version<e.version)&&n.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const s=n.get(e);void 0===s?n.set(e,function(e,n){const r=e.array,s=e.usage,a=t.createBuffer();let o;if(t.bindBuffer(n,a),t.bufferData(n,r,s),e.onUploadCallback(),r instanceof Float32Array)o=5126;else if(r instanceof Uint16Array)if(e.isFloat16BufferAttribute){if(!i)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=5131}else o=5123;else if(r instanceof Int16Array)o=5122;else if(r instanceof Uint32Array)o=5125;else if(r instanceof Int32Array)o=5124;else if(r instanceof Int8Array)o=5120;else if(r instanceof Uint8Array)o=5121;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=5121}return{buffer:a,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:e.version}}(e,r)):s.version<e.version&&(!function(e,n,r){const s=n.array,a=n.updateRange;t.bindBuffer(r,e),-1===a.count?t.bufferSubData(r,0,s):(i?t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s,a.offset,a.count):t.bufferSubData(r,a.offset*s.BYTES_PER_ELEMENT,s.subarray(a.offset,a.offset+a.count)),a.count=-1)}(s.buffer,e,r),s.version=e.version)}}}class yn extends Di{constructor(t=1,e=1,i=1,n=1){super(),this.type="PlaneGeometry",this.parameters={width:t,height:e,widthSegments:i,heightSegments:n};const r=t/2,s=e/2,a=Math.floor(i),o=Math.floor(n),l=a+1,c=o+1,h=t/a,u=e/o,d=[],p=[],m=[],f=[];for(let t=0;t<c;t++){const e=t*u-s;for(let i=0;i<l;i++){const n=i*h-r;p.push(n,-e,0),m.push(0,0,1),f.push(i/a),f.push(1-t/o)}}for(let t=0;t<o;t++)for(let e=0;e<a;e++){const i=e+l*t,n=e+l*(t+1),r=e+1+l*(t+1),s=e+1+l*t;d.push(i,n,s),d.push(n,r,s)}this.setIndex(d),this.setAttribute("position",new Ti(p,3)),this.setAttribute("normal",new Ti(m,3)),this.setAttribute("uv",new Ti(f,2))}static fromJSON(t){return new yn(t.width,t.height,t.widthSegments,t.heightSegments)}}const Mn={alphamap_fragment:"#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vUv2 ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",begin_vertex:"vec3 transformed = vec3( position );",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"vec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n\t\tfloat x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n\t\tfloat x2 = x * x;\n\t\tfloat x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n\t\treturn ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( V * D );\n}\n#ifdef USE_IRIDESCENCE\n\tvec3 BRDF_GGX_Iridescence( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 f0, const in float f90, const in float iridescence, const in vec3 iridescenceFresnel, const in float roughness ) {\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = mix( F_Schlick( f0, f90, dotVH ), iridescenceFresnel, iridescence );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,\t0.0556434,\n\t\t-1.5371385,\t1.8760108, -0.2040259,\n\t\t-0.4985314,\t0.0415560,\t1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\t return vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat R21 = R12;\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement( a ) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nvec3 pow2( const in vec3 x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\tvec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#if defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert\n#define Material_LightProbeLOD( material )\t(0)",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( PHYSICALLY_CORRECT_LIGHTS )\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#else\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULARINTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vUv ).a;\n\t\t#endif\n\t\t#ifdef USE_SPECULARCOLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vUv ).rgb;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vUv ).a;\n\t#endif\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = vec3( 0.0 );\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(\t\t0, 1,\t\t0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX_Iridescence( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness );\n\t#else\n\t\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularF90, material.roughness );\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 sampledDiffuseColor = texture2D( map, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tsampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n\t#endif\n\tdiffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * faceDirection;\n\t\t\tbitangent = bitangent * faceDirection;\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( - vViewPosition, normal, mapN, faceDirection );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN, float faceDirection ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : faceDirection * inversesqrt( det );\n\t\treturn normalize( T * ( mapN.x * scale ) + B * ( mapN.y * scale ) + N * mapN.z );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN, faceDirection );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",output_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha + 0.1;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t\tf.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t\tf.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#if defined( USE_SHADOWMAP ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0 || NUM_SPOT_LIGHT_COORDS > 0 || NUM_POINT_LIGHT_SHADOWS > 0\n\t\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\tvec4 shadowWorldPosition;\n\t#endif\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\n\t}\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(\t1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,\t1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,\t1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmission = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmission.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmission.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat framebufferLod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\t#ifdef texture2DLodEXT\n\t\t\treturn texture2DLodEXT( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#else\n\t\t\treturn texture2D( transmissionSamplerMap, fragCoord.xy, framebufferLod );\n\t\t#endif\n\t}\n\tvec3 applyVolumeAttenuation( const in vec3 radiance, const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( attenuationDistance == 0.0 ) {\n\t\t\treturn radiance;\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance * radiance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 attenuatedColor = applyVolumeAttenuation( transmittedLight.rgb, length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor * diffuseColor, transmittedLight.a );\n\t}\n#endif",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tgl_FragColor = texture2D( t2D, vUv );\n\t#ifdef DECODE_VIDEO_TEXTURE\n\t\tgl_FragColor = vec4( mix( pow( gl_FragColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), gl_FragColor.rgb * 0.0773993808, vec3( lessThanEqual( gl_FragColor.rgb, vec3( 0.04045 ) ) ) ), gl_FragColor.w );\n\t#endif\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",cube_frag:"#include <envmap_common_pars_fragment>\nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include <envmap_fragment>\n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",depth_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULARINTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n\t#ifdef USE_SPECULARCOLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEENCOLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEENROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <bsdfs>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <uv_pars_vertex>\n#include <uv2_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\t#include <uv2_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <uv2_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <shadowmap_pars_fragment>\n#include <shadowmask_pars_fragment>\nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include <tonemapping_fragment>\n\t#include <encodings_fragment>\n\t#include <fog_fragment>\n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include <common>\n#include <uv_pars_vertex>\n#include <fog_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n\t#include <uv_vertex>\n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <output_fragment>\n\t#include <tonemapping_fragment>\n\t#include 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r(e){if("highp"===e){if(t.getShaderPrecisionFormat(35633,36338).precision>0&&t.getShaderPrecisionFormat(35632,36338).precision>0)return"highp";e="mediump"}return"mediump"===e&&t.getShaderPrecisionFormat(35633,36337).precision>0&&t.getShaderPrecisionFormat(35632,36337).precision>0?"mediump":"lowp"}const s="undefined"!=typeof WebGL2RenderingContext&&t instanceof WebGL2RenderingContext||"undefined"!=typeof WebGL2ComputeRenderingContext&&t instanceof WebGL2ComputeRenderingContext;let a=void 0!==i.precision?i.precision:"highp";const o=r(a);o!==a&&(console.warn("THREE.WebGLRenderer:",a,"not supported, using",o,"instead."),a=o);const l=s||e.has("WEBGL_draw_buffers"),c=!0===i.logarithmicDepthBuffer,h=t.getParameter(34930),u=t.getParameter(35660),d=t.getParameter(3379),p=t.getParameter(34076),m=t.getParameter(34921),f=t.getParameter(36347),g=t.getParameter(36348),v=t.getParameter(36349),x=u>0,_=s||e.has("OES_texture_float");return{isWebGL2:s,drawBuffers:l,getMaxAnisotropy:function(){if(void 0!==n)return n;if(!0===e.has("EXT_texture_filter_anisotropic")){const i=e.get("EXT_texture_filter_anisotropic");n=t.getParameter(i.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else n=0;return n},getMaxPrecision:r,precision:a,logarithmicDepthBuffer:c,maxTextures:h,maxVertexTextures:u,maxTextureSize:d,maxCubemapSize:p,maxAttributes:m,maxVertexUniforms:f,maxVaryings:g,maxFragmentUniforms:v,vertexTextures:x,floatFragmentTextures:_,floatVertexTextures:x&&_,maxSamples:s?t.getParameter(36183):0}}function Cn(t){const e=this;let i=null,n=0,r=!1,s=!1;const a=new mn,o=new Rt,l={value:null,needsUpdate:!1};function c(){l.value!==i&&(l.value=i,l.needsUpdate=n>0),e.numPlanes=n,e.numIntersection=0}function h(t,i,n,r){const s=null!==t?t.length:0;let c=null;if(0!==s){if(c=l.value,!0!==r||null===c){const e=n+4*s,r=i.matrixWorldInverse;o.getNormalMatrix(r),(null===c||c.length<e)&&(c=new Float32Array(e));for(let e=0,i=n;e!==s;++e,i+=4)a.copy(t[e]).applyMatrix4(r,o),a.normal.toArray(c,i),c[i+3]=a.constant}l.value=c,l.needsUpdate=!0}return e.numPlanes=s,e.numIntersection=0,c}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(t,e,s){const a=0!==t.length||e||0!==n||r;return r=e,i=h(t,s,0),n=t.length,a},this.beginShadows=function(){s=!0,h(null)},this.endShadows=function(){s=!1,c()},this.setState=function(e,a,o){const u=e.clippingPlanes,d=e.clipIntersection,p=e.clipShadows,m=t.get(e);if(!r||null===u||0===u.length||s&&!p)s?h(null):c();else{const t=s?0:n,e=4*t;let r=m.clippingState||null;l.value=r,r=h(u,a,e,o);for(let t=0;t!==e;++t)r[t]=i[t];m.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=t}}}function Ln(t){let e=new WeakMap;function i(t,e){return e===a?t.mapping=r:e===o&&(t.mapping=s),t}function n(t){const i=t.target;i.removeEventListener("dispose",n);const r=e.get(i);void 0!==r&&(e.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture&&!1===r.isRenderTargetTexture){const s=r.mapping;if(s===a||s===o){if(e.has(r)){return i(e.get(r).texture,r.mapping)}{const s=r.image;if(s&&s.height>0){const a=new hn(s.height/2);return a.fromEquirectangularTexture(t,r),e.set(r,a),r.addEventListener("dispose",n),i(a.texture,r.mapping)}return null}}}return r},dispose:function(){e=new WeakMap}}}Sn.physical={uniforms:en([Sn.standard.uniforms,{clearcoat:{value:0},clearcoatMap:{value:null},clearcoatRoughness:{value:0},clearcoatRoughnessMap:{value:null},clearcoatNormalScale:{value:new Lt(1,1)},clearcoatNormalMap:{value:null},iridescence:{value:0},iridescenceMap:{value:null},iridescenceIOR:{value:1.3},iridescenceThicknessMinimum:{value:100},iridescenceThicknessMaximum:{value:400},iridescenceThicknessMap:{value:null},sheen:{value:0},sheenColor:{value:new jt(0)},sheenColorMap:{value:null},sheenRoughness:{value:1},sheenRoughnessMap:{value:null},transmission:{value:0},transmissionMap:{value:null},transmissionSamplerSize:{value:new Lt},transmissionSamplerMap:{value:null},thickness:{value:0},thicknessMap:{value:null},attenuationDistance:{value:0},attenuationColor:{value:new jt(0)},specularIntensity:{value:1},specularIntensityMap:{value:null},specularColor:{value:new jt(1,1,1)},specularColorMap:{value:null}}]),vertexShader:Mn.meshphysical_vert,fragmentShader:Mn.meshphysical_frag};class Rn extends sn{constructor(t=-1,e=1,i=1,n=-1,r=.1,s=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=t,this.right=e,this.top=i,this.bottom=n,this.near=r,this.far=s,this.updateProjectionMatrix()}copy(t,e){return super.copy(t,e),this.left=t.left,this.right=t.right,this.top=t.top,this.bottom=t.bottom,this.near=t.near,this.far=t.far,this.zoom=t.zoom,this.view=null===t.view?null:Object.assign({},t.view),this}setViewOffset(t,e,i,n,r,s){null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=t,this.view.fullHeight=e,this.view.offsetX=i,this.view.offsetY=n,this.view.width=r,this.view.height=s,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const t=(this.right-this.left)/(2*this.zoom),e=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,n=(this.top+this.bottom)/2;let r=i-t,s=i+t,a=n+e,o=n-e;if(null!==this.view&&this.view.enabled){const t=(this.right-this.left)/this.view.fullWidth/this.zoom,e=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=t*this.view.offsetX,s=r+t*this.view.width,a-=e*this.view.offsetY,o=a-e*this.view.height}this.projectionMatrix.makeOrthographic(r,s,a,o,this.near,this.far),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(t){const e=super.toJSON(t);return e.object.zoom=this.zoom,e.object.left=this.left,e.object.right=this.right,e.object.top=this.top,e.object.bottom=this.bottom,e.object.near=this.near,e.object.far=this.far,null!==this.view&&(e.object.view=Object.assign({},this.view)),e}}const Pn=[.125,.215,.35,.446,.526,.582],In=20,Dn=new Rn,Nn=new jt;let On=null;const zn=(1+Math.sqrt(5))/2,Un=1/zn,Bn=[new ne(1,1,1),new ne(-1,1,1),new ne(1,1,-1),new ne(-1,1,-1),new ne(0,zn,Un),new ne(0,zn,-Un),new ne(Un,0,zn),new ne(-Un,0,zn),new ne(zn,Un,0),new ne(-zn,Un,0)];class Fn{constructor(t){this._renderer=t,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(t,e=0,i=.1,n=100){On=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(t,i,n,r),e>0&&this._blur(r,0,0,e),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(t,e=null){return this._fromTexture(t,e)}fromCubemap(t,e=null){return this._fromTexture(t,e)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=Hn(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Vn(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(t){this._lodMax=Math.floor(Math.log2(t)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let t=0;t<this._lodPlanes.length;t++)this._lodPlanes[t].dispose()}_cleanup(t){this._renderer.setRenderTarget(On),t.scissorTest=!1,Gn(t,0,0,t.width,t.height)}_fromTexture(t,e){t.mapping===r||t.mapping===s?this._setSize(0===t.image.length?16:t.image[0].width||t.image[0].image.width):this._setSize(t.image.width/4),On=this._renderer.getRenderTarget();const i=e||this._allocateTargets();return this._textureToCubeUV(t,i),this._applyPMREM(i),this._cleanup(i),i}_allocateTargets(){const t=3*Math.max(this._cubeSize,112),e=4*this._cubeSize,i={magFilter:f,minFilter:f,generateMipmaps:!1,type:b,format:w,encoding:at,depthBuffer:!1},n=kn(t,e,i);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=kn(t,e,i);const{_lodMax:n}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(t){const e=[],i=[],n=[];let r=t;const s=t-4+1+Pn.length;for(let a=0;a<s;a++){const s=Math.pow(2,r);i.push(s);let o=1/s;a>t-4?o=Pn[a-t+4-1]:0===a&&(o=0),n.push(o);const l=1/(s-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,m=3,f=2,g=1,v=new Float32Array(m*p*d),x=new Float32Array(f*p*d),_=new Float32Array(g*p*d);for(let t=0;t<d;t++){const e=t%3*2/3-1,i=t>2?0:-1,n=[e,i,0,e+2/3,i,0,e+2/3,i+1,0,e,i,0,e+2/3,i+1,0,e,i+1,0];v.set(n,m*p*t),x.set(u,f*p*t);const r=[t,t,t,t,t,t];_.set(r,g*p*t)}const y=new Di;y.setAttribute("position",new bi(v,m)),y.setAttribute("uv",new bi(x,f)),y.setAttribute("faceIndex",new bi(_,g)),e.push(y),r>4&&r--}return{lodPlanes:e,sizeLods:i,sigmas:n}}(n)),this._blurMaterial=function(t,e,i){const n=new Float32Array(In),r=new ne(0,1,0);return new rn({name:"SphericalGaussianBlur",defines:{n:In,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/i,CUBEUV_MAX_MIP:`${t}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Wn(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}(n,t,e)}return n}_compileMaterial(t){const e=new Ki(this._lodPlanes[0],t);this._renderer.compile(e,Dn)}_sceneToCubeUV(t,e,i,n){const r=new an(90,1,e,i),s=[1,-1,1,1,1,1],a=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,c=o.toneMapping;o.getClearColor(Nn),o.toneMapping=0,o.autoClear=!1;const h=new _i({name:"PMREM.Background",side:1,depthWrite:!1,depthTest:!1}),u=new Ki(new Qi,h);let d=!1;const p=t.background;p?p.isColor&&(h.color.copy(p),t.background=null,d=!0):(h.color.copy(Nn),d=!0);for(let e=0;e<6;e++){const i=e%3;0===i?(r.up.set(0,s[e],0),r.lookAt(a[e],0,0)):1===i?(r.up.set(0,0,s[e]),r.lookAt(0,a[e],0)):(r.up.set(0,s[e],0),r.lookAt(0,0,a[e]));const l=this._cubeSize;Gn(n,i*l,e>2?l:0,l,l),o.setRenderTarget(n),d&&o.render(u,r),o.render(t,r)}u.geometry.dispose(),u.material.dispose(),o.toneMapping=c,o.autoClear=l,t.background=p}_textureToCubeUV(t,e){const i=this._renderer,n=t.mapping===r||t.mapping===s;n?(null===this._cubemapMaterial&&(this._cubemapMaterial=Hn()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===t.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Vn());const a=n?this._cubemapMaterial:this._equirectMaterial,o=new Ki(this._lodPlanes[0],a);a.uniforms.envMap.value=t;const l=this._cubeSize;Gn(e,0,0,3*l,2*l),i.setRenderTarget(e),i.render(o,Dn)}_applyPMREM(t){const e=this._renderer,i=e.autoClear;e.autoClear=!1;for(let e=1;e<this._lodPlanes.length;e++){const i=Math.sqrt(this._sigmas[e]*this._sigmas[e]-this._sigmas[e-1]*this._sigmas[e-1]),n=Bn[(e-1)%Bn.length];this._blur(t,e-1,e,i,n)}e.autoClear=i}_blur(t,e,i,n,r){const s=this._pingPongRenderTarget;this._halfBlur(t,s,e,i,n,"latitudinal",r),this._halfBlur(s,t,i,i,n,"longitudinal",r)}_halfBlur(t,e,i,n,r,s,a){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==s&&"longitudinal"!==s&&console.error("blur direction must be either latitudinal or longitudinal!");const c=new Ki(this._lodPlanes[n],l),h=l.uniforms,u=this._sizeLods[i]-1,d=isFinite(r)?Math.PI/(2*u):2*Math.PI/39,p=r/d,m=isFinite(r)?1+Math.floor(3*p):In;m>In&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to 20`);const f=[];let g=0;for(let t=0;t<In;++t){const e=t/p,i=Math.exp(-e*e/2);f.push(i),0===t?g+=i:t<m&&(g+=2*i)}for(let t=0;t<f.length;t++)f[t]=f[t]/g;h.envMap.value=t.texture,h.samples.value=m,h.weights.value=f,h.latitudinal.value="latitudinal"===s,a&&(h.poleAxis.value=a);const{_lodMax:v}=this;h.dTheta.value=d,h.mipInt.value=v-i;const x=this._sizeLods[n];Gn(e,3*x*(n>v-4?n-v+4:0),4*(this._cubeSize-x),3*x,2*x),o.setRenderTarget(e),o.render(c,Dn)}}function kn(t,e,i){const n=new Qt(t,e,i);return n.texture.mapping=l,n.texture.name="PMREM.cubeUv",n.scissorTest=!0,n}function Gn(t,e,i,n,r){t.viewport.set(e,i,n,r),t.scissor.set(e,i,n,r)}function Vn(){return new rn({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Wn(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Hn(){return new rn({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Wn(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) );\n\n\t\t\t}\n\t\t",blending:0,depthTest:!1,depthWrite:!1})}function Wn(){return"\n\n\t\tprecision mediump float;\n\t\tprecision mediump int;\n\n\t\tattribute float faceIndex;\n\n\t\tvarying vec3 vOutputDirection;\n\n\t\t// RH coordinate system; PMREM face-indexing convention\n\t\tvec3 getDirection( vec2 uv, float face ) {\n\n\t\t\tuv = 2.0 * uv - 1.0;\n\n\t\t\tvec3 direction = vec3( uv, 1.0 );\n\n\t\t\tif ( face == 0.0 ) {\n\n\t\t\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\n\t\t\t} else if ( face == 1.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\n\t\t\t} else if ( face == 2.0 ) {\n\n\t\t\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\n\t\t\t} else if ( face == 3.0 ) {\n\n\t\t\t\tdirection = direction.zyx;\n\t\t\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\n\t\t\t} else if ( face == 4.0 ) {\n\n\t\t\t\tdirection = direction.xzy;\n\t\t\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\n\t\t\t} else if ( face == 5.0 ) 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Program Info Log:",t):""!==e&&""!==i||(r=!1);r&&(this.diagnostics={runnable:n,programLog:t,vertexShader:{log:e,prefix:_},fragmentShader:{log:i,prefix:y}})}let T,A;return a.deleteShader(S),a.deleteShader(w),this.getUniforms=function(){return void 0===T&&(T=new ns(a,x)),T},this.getAttributes=function(){return void 0===A&&(A=function(t,e){const i={},n=t.getProgramParameter(e,35721);for(let r=0;r<n;r++){const n=t.getActiveAttrib(e,r),s=n.name;let a=1;35674===n.type&&(a=2),35675===n.type&&(a=3),35676===n.type&&(a=4),i[s]={type:n.type,location:t.getAttribLocation(e,s),locationSize:a}}return i}(a,x)),A},this.destroy=function(){n.releaseStatesOfProgram(this),a.deleteProgram(x),this.program=void 0},this.name=i.shaderName,this.id=ss++,this.cacheKey=e,this.usedTimes=1,this.program=x,this.vertexShader=S,this.fragmentShader=w,this}let ys=0;class Ms{constructor(){this.shaderCache=new Map,this.materialCache=new Map}update(t){const e=t.vertexShader,i=t.fragmentShader,n=this._getShaderStage(e),r=this._getShaderStage(i),s=this._getShaderCacheForMaterial(t);return!1===s.has(n)&&(s.add(n),n.usedTimes++),!1===s.has(r)&&(s.add(r),r.usedTimes++),this}remove(t){const e=this.materialCache.get(t);for(const t of e)t.usedTimes--,0===t.usedTimes&&this.shaderCache.delete(t.code);return this.materialCache.delete(t),this}getVertexShaderID(t){return this._getShaderStage(t.vertexShader).id}getFragmentShaderID(t){return this._getShaderStage(t.fragmentShader).id}dispose(){this.shaderCache.clear(),this.materialCache.clear()}_getShaderCacheForMaterial(t){const e=this.materialCache;let i=e.get(t);return void 0===i&&(i=new Set,e.set(t,i)),i}_getShaderStage(t){const e=this.shaderCache;let i=e.get(t);return void 0===i&&(i=new bs(t),e.set(t,i)),i}}class bs{constructor(t){this.id=ys++,this.code=t,this.usedTimes=0}}function Ss(t,e,i,n,r,s,a){const o=new je,c=new Ms,h=[],u=r.isWebGL2,d=r.logarithmicDepthBuffer,p=r.vertexTextures;let m=r.precision;const f={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"toon",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"};return{getParameters:function(s,o,h,g,v){const x=g.fog,_=v.geometry,y=s.isMeshStandardMaterial?g.environment:null,M=(s.isMeshStandardMaterial?i:e).get(s.envMap||y),b=M&&M.mapping===l?M.image.height:null,S=f[s.type];null!==s.precision&&(m=r.getMaxPrecision(s.precision),m!==s.precision&&console.warn("THREE.WebGLProgram.getParameters:",s.precision,"not supported, using",m,"instead."));const w=_.morphAttributes.position||_.morphAttributes.normal||_.morphAttributes.color,T=void 0!==w?w.length:0;let A,E,C,L,R=0;if(void 0!==_.morphAttributes.position&&(R=1),void 0!==_.morphAttributes.normal&&(R=2),void 0!==_.morphAttributes.color&&(R=3),S){const t=Sn[S];A=t.vertexShader,E=t.fragmentShader}else A=s.vertexShader,E=s.fragmentShader,c.update(s),C=c.getVertexShaderID(s),L=c.getFragmentShaderID(s);const P=t.getRenderTarget(),I=s.alphaTest>0,D=s.clearcoat>0,N=s.iridescence>0;return{isWebGL2:u,shaderID:S,shaderName:s.type,vertexShader:A,fragmentShader:E,defines:s.defines,customVertexShaderID:C,customFragmentShaderID:L,isRawShaderMaterial:!0===s.isRawShaderMaterial,glslVersion:s.glslVersion,precision:m,instancing:!0===v.isInstancedMesh,instancingColor:!0===v.isInstancedMesh&&null!==v.instanceColor,supportsVertexTextures:p,outputEncoding:null===P?t.outputEncoding:!0===P.isXRRenderTarget?P.texture.encoding:at,map:!!s.map,matcap:!!s.matcap,envMap:!!M,envMapMode:M&&M.mapping,envMapCubeUVHeight:b,lightMap:!!s.lightMap,aoMap:!!s.aoMap,emissiveMap:!!s.emissiveMap,bumpMap:!!s.bumpMap,normalMap:!!s.normalMap,objectSpaceNormalMap:1===s.normalMapType,tangentSpaceNormalMap:0===s.normalMapType,decodeVideoTexture:!!s.map&&!0===s.map.isVideoTexture&&s.map.encoding===ot,clearcoat:D,clearcoatMap:D&&!!s.clearcoatMap,clearcoatRoughnessMap:D&&!!s.clearcoatRoughnessMap,clearcoatNormalMap:D&&!!s.clearcoatNormalMap,iridescence:N,iridescenceMap:N&&!!s.iridescenceMap,iridescenceThicknessMap:N&&!!s.iridescenceThicknessMap,displacementMap:!!s.displacementMap,roughnessMap:!!s.roughnessMap,metalnessMap:!!s.metalnessMap,specularMap:!!s.specularMap,specularIntensityMap:!!s.specularIntensityMap,specularColorMap:!!s.specularColorMap,opaque:!1===s.transparent&&1===s.blending,alphaMap:!!s.alphaMap,alphaTest:I,gradientMap:!!s.gradientMap,sheen:s.sheen>0,sheenColorMap:!!s.sheenColorMap,sheenRoughnessMap:!!s.sheenRoughnessMap,transmission:s.transmission>0,transmissionMap:!!s.transmissionMap,thicknessMap:!!s.thicknessMap,combine:s.combine,vertexTangents:!!s.normalMap&&!!_.attributes.tangent,vertexColors:s.vertexColors,vertexAlphas:!0===s.vertexColors&&!!_.attributes.color&&4===_.attributes.color.itemSize,vertexUvs:!!(s.map||s.bumpMap||s.normalMap||s.specularMap||s.alphaMap||s.emissiveMap||s.roughnessMap||s.metalnessMap||s.clearcoatMap||s.clearcoatRoughnessMap||s.clearcoatNormalMap||s.iridescenceMap||s.iridescenceThicknessMap||s.displacementMap||s.transmissionMap||s.thicknessMap||s.specularIntensityMap||s.specularColorMap||s.sheenColorMap||s.sheenRoughnessMap),uvsVertexOnly:!(s.map||s.bumpMap||s.normalMap||s.specularMap||s.alphaMap||s.emissiveMap||s.roughnessMap||s.metalnessMap||s.clearcoatNormalMap||s.iridescenceMap||s.iridescenceThicknessMap||s.transmission>0||s.transmissionMap||s.thicknessMap||s.specularIntensityMap||s.specularColorMap||s.sheen>0||s.sheenColorMap||s.sheenRoughnessMap||!s.displacementMap),fog:!!x,useFog:!0===s.fog,fogExp2:x&&x.isFogExp2,flatShading:!!s.flatShading,sizeAttenuation:s.sizeAttenuation,logarithmicDepthBuffer:d,skinning:!0===v.isSkinnedMesh,morphTargets:void 0!==_.morphAttributes.position,morphNormals:void 0!==_.morphAttributes.normal,morphColors:void 0!==_.morphAttributes.color,morphTargetsCount:T,morphTextureStride:R,numDirLights:o.directional.length,numPointLights:o.point.length,numSpotLights:o.spot.length,numSpotLightMaps:o.spotLightMap.length,numRectAreaLights:o.rectArea.length,numHemiLights:o.hemi.length,numDirLightShadows:o.directionalShadowMap.length,numPointLightShadows:o.pointShadowMap.length,numSpotLightShadows:o.spotShadowMap.length,numSpotLightShadowsWithMaps:o.numSpotLightShadowsWithMaps,numClippingPlanes:a.numPlanes,numClipIntersection:a.numIntersection,dithering:s.dithering,shadowMapEnabled:t.shadowMap.enabled&&h.length>0,shadowMapType:t.shadowMap.type,toneMapping:s.toneMapped?t.toneMapping:0,physicallyCorrectLights:t.physicallyCorrectLights,premultipliedAlpha:s.premultipliedAlpha,doubleSided:2===s.side,flipSided:1===s.side,useDepthPacking:!!s.depthPacking,depthPacking:s.depthPacking||0,index0AttributeName:s.index0AttributeName,extensionDerivatives:s.extensions&&s.extensions.derivatives,extensionFragDepth:s.extensions&&s.extensions.fragDepth,extensionDrawBuffers:s.extensions&&s.extensions.drawBuffers,extensionShaderTextureLOD:s.extensions&&s.extensions.shaderTextureLOD,rendererExtensionFragDepth:u||n.has("EXT_frag_depth"),rendererExtensionDrawBuffers:u||n.has("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:u||n.has("EXT_shader_texture_lod"),customProgramCacheKey:s.customProgramCacheKey()}},getProgramCacheKey:function(e){const i=[];if(e.shaderID?i.push(e.shaderID):(i.push(e.customVertexShaderID),i.push(e.customFragmentShaderID)),void 0!==e.defines)for(const t in e.defines)i.push(t),i.push(e.defines[t]);return!1===e.isRawShaderMaterial&&(!function(t,e){t.push(e.precision),t.push(e.outputEncoding),t.push(e.envMapMode),t.push(e.envMapCubeUVHeight),t.push(e.combine),t.push(e.vertexUvs),t.push(e.fogExp2),t.push(e.sizeAttenuation),t.push(e.morphTargetsCount),t.push(e.morphAttributeCount),t.push(e.numDirLights),t.push(e.numPointLights),t.push(e.numSpotLights),t.push(e.numSpotLightMaps),t.push(e.numHemiLights),t.push(e.numRectAreaLights),t.push(e.numDirLightShadows),t.push(e.numPointLightShadows),t.push(e.numSpotLightShadows),t.push(e.numSpotLightShadowsWithMaps),t.push(e.shadowMapType),t.push(e.toneMapping),t.push(e.numClippingPlanes),t.push(e.numClipIntersection),t.push(e.depthPacking)}(i,e),function(t,e){o.disableAll(),e.isWebGL2&&o.enable(0);e.supportsVertexTextures&&o.enable(1);e.instancing&&o.enable(2);e.instancingColor&&o.enable(3);e.map&&o.enable(4);e.matcap&&o.enable(5);e.envMap&&o.enable(6);e.lightMap&&o.enable(7);e.aoMap&&o.enable(8);e.emissiveMap&&o.enable(9);e.bumpMap&&o.enable(10);e.normalMap&&o.enable(11);e.objectSpaceNormalMap&&o.enable(12);e.tangentSpaceNormalMap&&o.enable(13);e.clearcoat&&o.enable(14);e.clearcoatMap&&o.enable(15);e.clearcoatRoughnessMap&&o.enable(16);e.clearcoatNormalMap&&o.enable(17);e.iridescence&&o.enable(18);e.iridescenceMap&&o.enable(19);e.iridescenceThicknessMap&&o.enable(20);e.displacementMap&&o.enable(21);e.specularMap&&o.enable(22);e.roughnessMap&&o.enable(23);e.metalnessMap&&o.enable(24);e.gradientMap&&o.enable(25);e.alphaMap&&o.enable(26);e.alphaTest&&o.enable(27);e.vertexColors&&o.enable(28);e.vertexAlphas&&o.enable(29);e.vertexUvs&&o.enable(30);e.vertexTangents&&o.enable(31);e.uvsVertexOnly&&o.enable(32);t.push(o.mask),o.disableAll(),e.fog&&o.enable(0);e.useFog&&o.enable(1);e.flatShading&&o.enable(2);e.logarithmicDepthBuffer&&o.enable(3);e.skinning&&o.enable(4);e.morphTargets&&o.enable(5);e.morphNormals&&o.enable(6);e.morphColors&&o.enable(7);e.premultipliedAlpha&&o.enable(8);e.shadowMapEnabled&&o.enable(9);e.physicallyCorrectLights&&o.enable(10);e.doubleSided&&o.enable(11);e.flipSided&&o.enable(12);e.useDepthPacking&&o.enable(13);e.dithering&&o.enable(14);e.specularIntensityMap&&o.enable(15);e.specularColorMap&&o.enable(16);e.transmission&&o.enable(17);e.transmissionMap&&o.enable(18);e.thicknessMap&&o.enable(19);e.sheen&&o.enable(20);e.sheenColorMap&&o.enable(21);e.sheenRoughnessMap&&o.enable(22);e.decodeVideoTexture&&o.enable(23);e.opaque&&o.enable(24);t.push(o.mask)}(i,e),i.push(t.outputEncoding)),i.push(e.customProgramCacheKey),i.join()},getUniforms:function(t){const e=f[t.type];let i;if(e){const t=Sn[e];i=nn.clone(t.uniforms)}else i=t.uniforms;return i},acquireProgram:function(e,i){let n;for(let t=0,e=h.length;t<e;t++){const e=h[t];if(e.cacheKey===i){n=e,++n.usedTimes;break}}return void 0===n&&(n=new _s(t,i,e,s),h.push(n)),n},releaseProgram:function(t){if(0==--t.usedTimes){const e=h.indexOf(t);h[e]=h[h.length-1],h.pop(),t.destroy()}},releaseShaderCache:function(t){c.remove(t)},programs:h,dispose:function(){c.dispose()}}}function ws(){let t=new WeakMap;return{get:function(e){let i=t.get(e);return void 0===i&&(i={},t.set(e,i)),i},remove:function(e){t.delete(e)},update:function(e,i,n){t.get(e)[i]=n},dispose:function(){t=new WeakMap}}}function Ts(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.material.id!==e.material.id?t.material.id-e.material.id:t.z!==e.z?t.z-e.z:t.id-e.id}function As(t,e){return t.groupOrder!==e.groupOrder?t.groupOrder-e.groupOrder:t.renderOrder!==e.renderOrder?t.renderOrder-e.renderOrder:t.z!==e.z?e.z-t.z:t.id-e.id}function Es(){const t=[];let e=0;const i=[],n=[],r=[];function s(i,n,r,s,a,o){let l=t[e];return void 0===l?(l={id:i.id,object:i,geometry:n,material:r,groupOrder:s,renderOrder:i.renderOrder,z:a,group:o},t[e]=l):(l.id=i.id,l.object=i,l.geometry=n,l.material=r,l.groupOrder=s,l.renderOrder=i.renderOrder,l.z=a,l.group=o),e++,l}return{opaque:i,transmissive:n,transparent:r,init:function(){e=0,i.length=0,n.length=0,r.length=0},push:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?n.push(h):!0===a.transparent?r.push(h):i.push(h)},unshift:function(t,e,a,o,l,c){const h=s(t,e,a,o,l,c);a.transmission>0?n.unshift(h):!0===a.transparent?r.unshift(h):i.unshift(h)},finish:function(){for(let i=e,n=t.length;i<n;i++){const e=t[i];if(null===e.id)break;e.id=null,e.object=null,e.geometry=null,e.material=null,e.group=null}},sort:function(t,e){i.length>1&&i.sort(t||Ts),n.length>1&&n.sort(e||As),r.length>1&&r.sort(e||As)}}}function Cs(){let t=new WeakMap;return{get:function(e,i){const n=t.get(e);let r;return void 0===n?(r=new Es,t.set(e,[r])):i>=n.length?(r=new Es,n.push(r)):r=n[i],r},dispose:function(){t=new WeakMap}}}function Ls(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let i;switch(e.type){case"DirectionalLight":i={direction:new ne,color:new jt};break;case"SpotLight":i={position:new ne,direction:new ne,color:new jt,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":i={position:new ne,color:new jt,distance:0,decay:0};break;case"HemisphereLight":i={direction:new ne,skyColor:new jt,groundColor:new jt};break;case"RectAreaLight":i={color:new jt,position:new ne,halfWidth:new ne,halfHeight:new ne}}return t[e.id]=i,i}}}let Rs=0;function Ps(t,e){return(e.castShadow?2:0)-(t.castShadow?2:0)+(e.map?1:0)-(t.map?1:0)}function Is(t,e){const i=new Ls,n=function(){const t={};return{get:function(e){if(void 0!==t[e.id])return t[e.id];let i;switch(e.type){case"DirectionalLight":case"SpotLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Lt};break;case"PointLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new Lt,shadowCameraNear:1,shadowCameraFar:1e3}}return t[e.id]=i,i}}}(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0};for(let t=0;t<9;t++)r.probe.push(new ne);const s=new ne,a=new Ne,o=new Ne;return{setup:function(s,a){let o=0,l=0,c=0;for(let t=0;t<9;t++)r.probe[t].set(0,0,0);let h=0,u=0,d=0,p=0,m=0,f=0,g=0,v=0,x=0,_=0;s.sort(Ps);const y=!0!==a?Math.PI:1;for(let t=0,e=s.length;t<e;t++){const e=s[t],a=e.color,M=e.intensity,b=e.distance,S=e.shadow&&e.shadow.map?e.shadow.map.texture:null;if(e.isAmbientLight)o+=a.r*M*y,l+=a.g*M*y,c+=a.b*M*y;else if(e.isLightProbe)for(let t=0;t<9;t++)r.probe[t].addScaledVector(e.sh.coefficients[t],M);else if(e.isDirectionalLight){const t=i.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),e.castShadow){const t=e.shadow,i=n.get(e);i.shadowBias=t.bias,i.shadowNormalBias=t.normalBias,i.shadowRadius=t.radius,i.shadowMapSize=t.mapSize,r.directionalShadow[h]=i,r.directionalShadowMap[h]=S,r.directionalShadowMatrix[h]=e.shadow.matrix,f++}r.directional[h]=t,h++}else if(e.isSpotLight){const t=i.get(e);t.position.setFromMatrixPosition(e.matrixWorld),t.color.copy(a).multiplyScalar(M*y),t.distance=b,t.coneCos=Math.cos(e.angle),t.penumbraCos=Math.cos(e.angle*(1-e.penumbra)),t.decay=e.decay,r.spot[d]=t;const s=e.shadow;if(e.map&&(r.spotLightMap[x]=e.map,x++,s.updateMatrices(e),e.castShadow&&_++),r.spotLightMatrix[d]=s.matrix,e.castShadow){const t=n.get(e);t.shadowBias=s.bias,t.shadowNormalBias=s.normalBias,t.shadowRadius=s.radius,t.shadowMapSize=s.mapSize,r.spotShadow[d]=t,r.spotShadowMap[d]=S,v++}d++}else if(e.isRectAreaLight){const t=i.get(e);t.color.copy(a).multiplyScalar(M),t.halfWidth.set(.5*e.width,0,0),t.halfHeight.set(0,.5*e.height,0),r.rectArea[p]=t,p++}else if(e.isPointLight){const t=i.get(e);if(t.color.copy(e.color).multiplyScalar(e.intensity*y),t.distance=e.distance,t.decay=e.decay,e.castShadow){const t=e.shadow,i=n.get(e);i.shadowBias=t.bias,i.shadowNormalBias=t.normalBias,i.shadowRadius=t.radius,i.shadowMapSize=t.mapSize,i.shadowCameraNear=t.camera.near,i.shadowCameraFar=t.camera.far,r.pointShadow[u]=i,r.pointShadowMap[u]=S,r.pointShadowMatrix[u]=e.shadow.matrix,g++}r.point[u]=t,u++}else if(e.isHemisphereLight){const t=i.get(e);t.skyColor.copy(e.color).multiplyScalar(M*y),t.groundColor.copy(e.groundColor).multiplyScalar(M*y),r.hemi[m]=t,m++}}p>0&&(e.isWebGL2||!0===t.has("OES_texture_float_linear")?(r.rectAreaLTC1=bn.LTC_FLOAT_1,r.rectAreaLTC2=bn.LTC_FLOAT_2):!0===t.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=bn.LTC_HALF_1,r.rectAreaLTC2=bn.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=c;const M=r.hash;M.directionalLength===h&&M.pointLength===u&&M.spotLength===d&&M.rectAreaLength===p&&M.hemiLength===m&&M.numDirectionalShadows===f&&M.numPointShadows===g&&M.numSpotShadows===v&&M.numSpotMaps===x||(r.directional.length=h,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=m,r.directionalShadow.length=f,r.directionalShadowMap.length=f,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=v,r.spotShadowMap.length=v,r.directionalShadowMatrix.length=f,r.pointShadowMatrix.length=g,r.spotLightMatrix.length=v+x-_,r.spotLightMap.length=x,r.numSpotLightShadowsWithMaps=_,M.directionalLength=h,M.pointLength=u,M.spotLength=d,M.rectAreaLength=p,M.hemiLength=m,M.numDirectionalShadows=f,M.numPointShadows=g,M.numSpotShadows=v,M.numSpotMaps=x,r.version=Rs++)},setupView:function(t,e){let i=0,n=0,l=0,c=0,h=0;const u=e.matrixWorldInverse;for(let e=0,d=t.length;e<d;e++){const d=t[e];if(d.isDirectionalLight){const t=r.directional[i];t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),i++}else if(d.isSpotLight){const t=r.spot[l];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),t.direction.setFromMatrixPosition(d.matrixWorld),s.setFromMatrixPosition(d.target.matrixWorld),t.direction.sub(s),t.direction.transformDirection(u),l++}else if(d.isRectAreaLight){const t=r.rectArea[c];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),o.identity(),a.copy(d.matrixWorld),a.premultiply(u),o.extractRotation(a),t.halfWidth.set(.5*d.width,0,0),t.halfHeight.set(0,.5*d.height,0),t.halfWidth.applyMatrix4(o),t.halfHeight.applyMatrix4(o),c++}else if(d.isPointLight){const t=r.point[n];t.position.setFromMatrixPosition(d.matrixWorld),t.position.applyMatrix4(u),n++}else if(d.isHemisphereLight){const t=r.hemi[h];t.direction.setFromMatrixPosition(d.matrixWorld),t.direction.transformDirection(u),h++}}},state:r}}function Ds(t,e){const i=new Is(t,e),n=[],r=[];return{init:function(){n.length=0,r.length=0},state:{lightsArray:n,shadowsArray:r,lights:i},setupLights:function(t){i.setup(n,t)},setupLightsView:function(t){i.setupView(n,t)},pushLight:function(t){n.push(t)},pushShadow:function(t){r.push(t)}}}function Ns(t,e){let i=new WeakMap;return{get:function(n,r=0){const s=i.get(n);let a;return void 0===s?(a=new Ds(t,e),i.set(n,[a])):r>=s.length?(a=new Ds(t,e),s.push(a)):a=s[r],a},dispose:function(){i=new WeakMap}}}class Os extends xi{constructor(t){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=3200,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(t)}copy(t){return super.copy(t),this.depthPacking=t.depthPacking,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this}}class zs extends xi{constructor(t){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.referencePosition=new ne,this.nearDistance=1,this.farDistance=1e3,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(t)}copy(t){return super.copy(t),this.referencePosition.copy(t.referencePosition),this.nearDistance=t.nearDistance,this.farDistance=t.farDistance,this.map=t.map,this.alphaMap=t.alphaMap,this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this}}function Us(t,e,i){let n=new vn;const r=new Lt,s=new Lt,a=new $t,o=new Os({depthPacking:3201}),l=new zs,c={},h=i.maxTextureSize,u={0:1,1:0,2:2},p=new rn({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new Lt},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),m=p.clone();m.defines.HORIZONTAL_PASS=1;const f=new Di;f.setAttribute("position",new bi(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const g=new Ki(f,p),v=this;function x(i,n){const s=e.update(g);p.defines.VSM_SAMPLES!==i.blurSamples&&(p.defines.VSM_SAMPLES=i.blurSamples,m.defines.VSM_SAMPLES=i.blurSamples,p.needsUpdate=!0,m.needsUpdate=!0),null===i.mapPass&&(i.mapPass=new Qt(r.x,r.y)),p.uniforms.shadow_pass.value=i.map.texture,p.uniforms.resolution.value=i.mapSize,p.uniforms.radius.value=i.radius,t.setRenderTarget(i.mapPass),t.clear(),t.renderBufferDirect(n,null,s,p,g,null),m.uniforms.shadow_pass.value=i.mapPass.texture,m.uniforms.resolution.value=i.mapSize,m.uniforms.radius.value=i.radius,t.setRenderTarget(i.map),t.clear(),t.renderBufferDirect(n,null,s,m,g,null)}function _(e,i,n,r,s,a){let h=null;const d=!0===n.isPointLight?e.customDistanceMaterial:e.customDepthMaterial;if(h=void 0!==d?d:!0===n.isPointLight?l:o,t.localClippingEnabled&&!0===i.clipShadows&&Array.isArray(i.clippingPlanes)&&0!==i.clippingPlanes.length||i.displacementMap&&0!==i.displacementScale||i.alphaMap&&i.alphaTest>0){const t=h.uuid,e=i.uuid;let n=c[t];void 0===n&&(n={},c[t]=n);let r=n[e];void 0===r&&(r=h.clone(),n[e]=r),h=r}return 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0===s[o]&&(s[o]={texture:t.createTexture(),usedTimes:0},a.memory.textures++,n=!0),s[o].usedTimes++;const r=s[e.__cacheKey];void 0!==r&&(s[e.__cacheKey].usedTimes--,0===r.usedTimes&&q(i)),e.__cacheKey=o,e.__webglTexture=s[o].texture}return n}function Q(e,n,r){let a=3553;n.isDataArrayTexture&&(a=35866),n.isData3DTexture&&(a=32879);const l=$(e,n),c=n.source;if(i.activeTexture(33984+r),i.bindTexture(a,e.__webglTexture),c.version!==c.__currentVersion||!0===l){t.pixelStorei(37440,n.flipY),t.pixelStorei(37441,n.premultiplyAlpha),t.pixelStorei(3317,n.unpackAlignment),t.pixelStorei(37443,0);const e=function(t){return!o&&(t.wrapS!==h||t.wrapT!==h||t.minFilter!==d&&t.minFilter!==f)}(n)&&!1===B(n.image);let r=U(n.image,e,!1,C);r=st(n,r);const u=B(r)||o,p=s.convert(n.format,n.encoding);let m,g=s.convert(n.type),v=G(n.internalFormat,p,g,n.encoding,n.isVideoTexture);K(a,n,u);const x=n.mipmaps,b=o&&!0!==n.isVideoTexture,E=void 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e=n.get(r[i]).__webglTexture;t.framebufferTexture2D(36009,36064,3553,e,0)}t.blitFramebuffer(0,0,s,a,0,0,s,a,o,9728),P&&t.invalidateFramebuffer(36008,l)}if(i.bindFramebuffer(36008,null),i.bindFramebuffer(36009,null),u)for(let e=0;e<r.length;e++){i.bindFramebuffer(36160,h.__webglMultisampledFramebuffer),t.framebufferRenderbuffer(36160,36064+e,36161,h.__webglColorRenderbuffer[e]);const s=n.get(r[e]).__webglTexture;i.bindFramebuffer(36160,h.__webglFramebuffer),t.framebufferTexture2D(36009,36064+e,3553,s,0)}i.bindFramebuffer(36009,h.__webglMultisampledFramebuffer)}},this.setupDepthRenderbuffer=it,this.setupFrameBufferTexture=tt,this.useMultisampledRTT=rt}function ks(t,e,i){const n=i.isWebGL2;return{convert:function(i,r=null){let s;if(i===x)return 5121;if(1017===i)return 32819;if(1018===i)return 32820;if(1010===i)return 5120;if(1011===i)return 5122;if(i===_)return 5123;if(1013===i)return 5124;if(i===y)return 5125;if(i===M)return 5126;if(i===b)return n?5131:(s=e.get("OES_texture_half_float"),null!==s?s.HALF_FLOAT_OES:null);if(1021===i)return 6406;if(i===w)return 6408;if(1024===i)return 6409;if(1025===i)return 6410;if(i===T)return 6402;if(i===A)return 34041;if(1028===i)return 6403;if(1022===i)return console.warn("THREE.WebGLRenderer: THREE.RGBFormat has been removed. Use THREE.RGBAFormat instead. https://github.com/mrdoob/three.js/pull/23228"),6408;if(i===pt)return s=e.get("EXT_sRGB"),null!==s?s.SRGB_ALPHA_EXT:null;if(1029===i)return 36244;if(1030===i)return 33319;if(1031===i)return 33320;if(1033===i)return 36249;if(i===E||i===C||i===L||i===R)if(r===ot){if(s=e.get("WEBGL_compressed_texture_s3tc_srgb"),null===s)return null;if(i===E)return s.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(i===C)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(i===L)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(i===R)return s.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(s=e.get("WEBGL_compressed_texture_s3tc"),null===s)return null;if(i===E)return s.COMPRESSED_RGB_S3TC_DXT1_EXT;if(i===C)return s.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(i===L)return s.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(i===R)return s.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(i===P||i===I||i===D||i===N){if(s=e.get("WEBGL_compressed_texture_pvrtc"),null===s)return null;if(i===P)return s.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(i===I)return s.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(i===D)return s.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(i===N)return s.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===i)return s=e.get("WEBGL_compressed_texture_etc1"),null!==s?s.COMPRESSED_RGB_ETC1_WEBGL:null;if(i===O||i===z){if(s=e.get("WEBGL_compressed_texture_etc"),null===s)return null;if(i===O)return r===ot?s.COMPRESSED_SRGB8_ETC2:s.COMPRESSED_RGB8_ETC2;if(i===z)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:s.COMPRESSED_RGBA8_ETC2_EAC}if(i===U||i===B||i===F||i===k||i===G||i===V||i===H||i===W||i===j||i===q||i===X||i===Y||i===Z||i===J){if(s=e.get("WEBGL_compressed_texture_astc"),null===s)return null;if(i===U)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:s.COMPRESSED_RGBA_ASTC_4x4_KHR;if(i===B)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:s.COMPRESSED_RGBA_ASTC_5x4_KHR;if(i===F)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:s.COMPRESSED_RGBA_ASTC_5x5_KHR;if(i===k)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:s.COMPRESSED_RGBA_ASTC_6x5_KHR;if(i===G)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:s.COMPRESSED_RGBA_ASTC_6x6_KHR;if(i===V)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:s.COMPRESSED_RGBA_ASTC_8x5_KHR;if(i===H)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:s.COMPRESSED_RGBA_ASTC_8x6_KHR;if(i===W)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:s.COMPRESSED_RGBA_ASTC_8x8_KHR;if(i===j)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:s.COMPRESSED_RGBA_ASTC_10x5_KHR;if(i===q)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:s.COMPRESSED_RGBA_ASTC_10x6_KHR;if(i===X)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:s.COMPRESSED_RGBA_ASTC_10x8_KHR;if(i===Y)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:s.COMPRESSED_RGBA_ASTC_10x10_KHR;if(i===Z)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:s.COMPRESSED_RGBA_ASTC_12x10_KHR;if(i===J)return r===ot?s.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:s.COMPRESSED_RGBA_ASTC_12x12_KHR}if(i===K){if(s=e.get("EXT_texture_compression_bptc"),null===s)return null;if(i===K)return r===ot?s.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:s.COMPRESSED_RGBA_BPTC_UNORM_EXT}return i===S?n?34042:(s=e.get("WEBGL_depth_texture"),null!==s?s.UNSIGNED_INT_24_8_WEBGL:null):void 0!==t[i]?t[i]:null}}}class Gs extends an{constructor(t=[]){super(),this.isArrayCamera=!0,this.cameras=t}}class Vs extends si{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Hs={type:"move"};class Ws{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new Vs,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new Vs,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new ne,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new ne),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new Vs,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new ne,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new ne),this._grip}dispatchEvent(t){return null!==this._targetRay&&this._targetRay.dispatchEvent(t),null!==this._grip&&this._grip.dispatchEvent(t),null!==this._hand&&this._hand.dispatchEvent(t),this}disconnect(t){return this.dispatchEvent({type:"disconnected",data:t}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(t,e,i){let n=null,r=null,s=null;const a=this._targetRay,o=this._grip,l=this._hand;if(t&&"visible-blurred"!==e.session.visibilityState){if(l&&t.hand){s=!0;for(const n of t.hand.values()){const t=e.getJointPose(n,i);if(void 0===l.joints[n.jointName]){const t=new Vs;t.matrixAutoUpdate=!1,t.visible=!1,l.joints[n.jointName]=t,l.add(t)}const r=l.joints[n.jointName];null!==t&&(r.matrix.fromArray(t.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.jointRadius=t.radius),r.visible=null!==t}const n=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],a=n.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&a>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:t.handedness,target:this})):!l.inputState.pinching&&a<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:t.handedness,target:this}))}else null!==o&&t.gripSpace&&(r=e.getPose(t.gripSpace,i),null!==r&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1));null!==a&&(n=e.getPose(t.targetRaySpace,i),null===n&&null!==r&&(n=r),null!==n&&(a.matrix.fromArray(n.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale),n.linearVelocity?(a.hasLinearVelocity=!0,a.linearVelocity.copy(n.linearVelocity)):a.hasLinearVelocity=!1,n.angularVelocity?(a.hasAngularVelocity=!0,a.angularVelocity.copy(n.angularVelocity)):a.hasAngularVelocity=!1,this.dispatchEvent(Hs)))}return null!==a&&(a.visible=null!==n),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==s),this}}class js extends Kt{constructor(t,e,i,n,r,s,a,o,l,c){if((c=void 0!==c?c:T)!==T&&c!==A)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===i&&c===T&&(i=y),void 0===i&&c===A&&(i=S),super(null,n,r,s,a,o,c,i,l),this.isDepthTexture=!0,this.image={width:t,height:e},this.magFilter=void 0!==a?a:d,this.minFilter=void 0!==o?o:d,this.flipY=!1,this.generateMipmaps=!1}}class qs extends mt{constructor(t,e){super();const i=this;let n=null,r=1,s=null,a="local-floor",o=null,l=null,c=null,h=null,u=null,d=null;const p=e.getContextAttributes();let m=null,f=null;const g=[],v=[],_=new an;_.layers.enable(1),_.viewport=new $t;const M=new an;M.layers.enable(2),M.viewport=new $t;const b=[_,M],E=new Gs;E.layers.enable(1),E.layers.enable(2);let C=null,L=null;function R(t){const e=v.indexOf(t.inputSource);if(-1===e)return;const i=g[e];void 0!==i&&i.dispatchEvent({type:t.type,data:t.inputSource})}function P(){n.removeEventListener("select",R),n.removeEventListener("selectstart",R),n.removeEventListener("selectend",R),n.removeEventListener("squeeze",R),n.removeEventListener("squeezestart",R),n.removeEventListener("squeezeend",R),n.removeEventListener("end",P),n.removeEventListener("inputsourceschange",I);for(let t=0;t<g.length;t++){const e=v[t];null!==e&&(v[t]=null,g[t].disconnect(e))}C=null,L=null,t.setRenderTarget(m),u=null,h=null,c=null,n=null,f=null,U.stop(),i.isPresenting=!1,i.dispatchEvent({type:"sessionend"})}function I(t){for(let e=0;e<t.removed.length;e++){const i=t.removed[e],n=v.indexOf(i);n>=0&&(v[n]=null,g[n].dispatchEvent({type:"disconnected",data:i}))}for(let e=0;e<t.added.length;e++){const i=t.added[e];let n=v.indexOf(i);if(-1===n){for(let t=0;t<g.length;t++){if(t>=v.length){v.push(i),n=t;break}if(null===v[t]){v[t]=i,n=t;break}}if(-1===n)break}const r=g[n];r&&r.dispatchEvent({type:"connected",data:i})}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(t){let e=g[t];return void 0===e&&(e=new Ws,g[t]=e),e.getTargetRaySpace()},this.getControllerGrip=function(t){let e=g[t];return void 0===e&&(e=new Ws,g[t]=e),e.getGripSpace()},this.getHand=function(t){let e=g[t];return void 0===e&&(e=new Ws,g[t]=e),e.getHandSpace()},this.setFramebufferScaleFactor=function(t){r=t,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(t){a=t,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return o||s},this.setReferenceSpace=function(t){o=t},this.getBaseLayer=function(){return null!==h?h:u},this.getBinding=function(){return c},this.getFrame=function(){return d},this.getSession=function(){return n},this.setSession=async function(l){if(n=l,null!==n){if(m=t.getRenderTarget(),n.addEventListener("select",R),n.addEventListener("selectstart",R),n.addEventListener("selectend",R),n.addEventListener("squeeze",R),n.addEventListener("squeezestart",R),n.addEventListener("squeezeend",R),n.addEventListener("end",P),n.addEventListener("inputsourceschange",I),!0!==p.xrCompatible&&await e.makeXRCompatible(),void 0===n.renderState.layers||!1===t.capabilities.isWebGL2){const i={antialias:void 0!==n.renderState.layers||p.antialias,alpha:p.alpha,depth:p.depth,stencil:p.stencil,framebufferScaleFactor:r};u=new XRWebGLLayer(n,e,i),n.updateRenderState({baseLayer:u}),f=new Qt(u.framebufferWidth,u.framebufferHeight,{format:w,type:x,encoding:t.outputEncoding,stencilBuffer:p.stencil})}else{let i=null,s=null,a=null;p.depth&&(a=p.stencil?35056:33190,i=p.stencil?A:T,s=p.stencil?S:y);const o={colorFormat:32856,depthFormat:a,scaleFactor:r};c=new XRWebGLBinding(n,e),h=c.createProjectionLayer(o),n.updateRenderState({layers:[h]}),f=new Qt(h.textureWidth,h.textureHeight,{format:w,type:x,depthTexture:new js(h.textureWidth,h.textureHeight,s,void 0,void 0,void 0,void 0,void 0,void 0,i),stencilBuffer:p.stencil,encoding:t.outputEncoding,samples:p.antialias?4:0});t.properties.get(f).__ignoreDepthValues=h.ignoreDepthValues}f.isXRRenderTarget=!0,this.setFoveation(1),o=null,s=await n.requestReferenceSpace(a),U.setContext(n),U.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}};const D=new ne,N=new ne;function O(t,e){null===e?t.matrixWorld.copy(t.matrix):t.matrixWorld.multiplyMatrices(e.matrixWorld,t.matrix),t.matrixWorldInverse.copy(t.matrixWorld).invert()}this.updateCamera=function(t){if(null===n)return;E.near=M.near=_.near=t.near,E.far=M.far=_.far=t.far,C===E.near&&L===E.far||(n.updateRenderState({depthNear:E.near,depthFar:E.far}),C=E.near,L=E.far);const e=t.parent,i=E.cameras;O(E,e);for(let t=0;t<i.length;t++)O(i[t],e);E.matrixWorld.decompose(E.position,E.quaternion,E.scale),t.matrix.copy(E.matrix),t.matrix.decompose(t.position,t.quaternion,t.scale);const r=t.children;for(let t=0,e=r.length;t<e;t++)r[t].updateMatrixWorld(!0);2===i.length?function(t,e,i){D.setFromMatrixPosition(e.matrixWorld),N.setFromMatrixPosition(i.matrixWorld);const n=D.distanceTo(N),r=e.projectionMatrix.elements,s=i.projectionMatrix.elements,a=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(s[8]+1)/s[0],d=a*h,p=a*u,m=n/(-h+u),f=m*-h;e.matrixWorld.decompose(t.position,t.quaternion,t.scale),t.translateX(f),t.translateZ(m),t.matrixWorld.compose(t.position,t.quaternion,t.scale),t.matrixWorldInverse.copy(t.matrixWorld).invert();const g=a+m,v=o+m,x=d-f,_=p+(n-f),y=l*o/v*g,M=c*o/v*g;t.projectionMatrix.makePerspective(x,_,y,M,g,v)}(E,_,M):E.projectionMatrix.copy(_.projectionMatrix)},this.getCamera=function(){return E},this.getFoveation=function(){return null!==h?h.fixedFoveation:null!==u?u.fixedFoveation:void 0},this.setFoveation=function(t){null!==h&&(h.fixedFoveation=t),null!==u&&void 0!==u.fixedFoveation&&(u.fixedFoveation=t)};let z=null;const U=new xn;U.setAnimationLoop((function(e,i){if(l=i.getViewerPose(o||s),d=i,null!==l){const e=l.views;null!==u&&(t.setRenderTargetFramebuffer(f,u.framebuffer),t.setRenderTarget(f));let i=!1;e.length!==E.cameras.length&&(E.cameras.length=0,i=!0);for(let n=0;n<e.length;n++){const r=e[n];let s=null;if(null!==u)s=u.getViewport(r);else{const e=c.getViewSubImage(h,r);s=e.viewport,0===n&&(t.setRenderTargetTextures(f,e.colorTexture,h.ignoreDepthValues?void 0:e.depthStencilTexture),t.setRenderTarget(f))}let a=b[n];void 0===a&&(a=new an,a.layers.enable(n),a.viewport=new $t,b[n]=a),a.matrix.fromArray(r.transform.matrix),a.projectionMatrix.fromArray(r.projectionMatrix),a.viewport.set(s.x,s.y,s.width,s.height),0===n&&E.matrix.copy(a.matrix),!0===i&&E.cameras.push(a)}}for(let t=0;t<g.length;t++){const e=v[t],n=g[t];null!==e&&void 0!==n&&n.update(e,i,o||s)}z&&z(e,i),d=null})),this.setAnimationLoop=function(t){z=t},this.dispose=function(){}}}function Xs(t,e){function i(i,n){i.opacity.value=n.opacity,n.color&&i.diffuse.value.copy(n.color),n.emissive&&i.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(i.map.value=n.map),n.alphaMap&&(i.alphaMap.value=n.alphaMap),n.bumpMap&&(i.bumpMap.value=n.bumpMap,i.bumpScale.value=n.bumpScale,1===n.side&&(i.bumpScale.value*=-1)),n.displacementMap&&(i.displacementMap.value=n.displacementMap,i.displacementScale.value=n.displacementScale,i.displacementBias.value=n.displacementBias),n.emissiveMap&&(i.emissiveMap.value=n.emissiveMap),n.normalMap&&(i.normalMap.value=n.normalMap,i.normalScale.value.copy(n.normalScale),1===n.side&&i.normalScale.value.negate()),n.specularMap&&(i.specularMap.value=n.specularMap),n.alphaTest>0&&(i.alphaTest.value=n.alphaTest);const r=e.get(n).envMap;if(r&&(i.envMap.value=r,i.flipEnvMap.value=r.isCubeTexture&&!1===r.isRenderTargetTexture?-1:1,i.reflectivity.value=n.reflectivity,i.ior.value=n.ior,i.refractionRatio.value=n.refractionRatio),n.lightMap){i.lightMap.value=n.lightMap;const e=!0!==t.physicallyCorrectLights?Math.PI:1;i.lightMapIntensity.value=n.lightMapIntensity*e}let s,a;n.aoMap&&(i.aoMap.value=n.aoMap,i.aoMapIntensity.value=n.aoMapIntensity),n.map?s=n.map:n.specularMap?s=n.specularMap:n.displacementMap?s=n.displacementMap:n.normalMap?s=n.normalMap:n.bumpMap?s=n.bumpMap:n.roughnessMap?s=n.roughnessMap:n.metalnessMap?s=n.metalnessMap:n.alphaMap?s=n.alphaMap:n.emissiveMap?s=n.emissiveMap:n.clearcoatMap?s=n.clearcoatMap:n.clearcoatNormalMap?s=n.clearcoatNormalMap:n.clearcoatRoughnessMap?s=n.clearcoatRoughnessMap:n.iridescenceMap?s=n.iridescenceMap:n.iridescenceThicknessMap?s=n.iridescenceThicknessMap:n.specularIntensityMap?s=n.specularIntensityMap:n.specularColorMap?s=n.specularColorMap:n.transmissionMap?s=n.transmissionMap:n.thicknessMap?s=n.thicknessMap:n.sheenColorMap?s=n.sheenColorMap:n.sheenRoughnessMap&&(s=n.sheenRoughnessMap),void 0!==s&&(s.isWebGLRenderTarget&&(s=s.texture),!0===s.matrixAutoUpdate&&s.updateMatrix(),i.uvTransform.value.copy(s.matrix)),n.aoMap?a=n.aoMap:n.lightMap&&(a=n.lightMap),void 0!==a&&(a.isWebGLRenderTarget&&(a=a.texture),!0===a.matrixAutoUpdate&&a.updateMatrix(),i.uv2Transform.value.copy(a.matrix))}return{refreshFogUniforms:function(t,e){t.fogColor.value.copy(e.color),e.isFog?(t.fogNear.value=e.near,t.fogFar.value=e.far):e.isFogExp2&&(t.fogDensity.value=e.density)},refreshMaterialUniforms:function(t,n,r,s,a){n.isMeshBasicMaterial||n.isMeshLambertMaterial?i(t,n):n.isMeshToonMaterial?(i(t,n),function(t,e){e.gradientMap&&(t.gradientMap.value=e.gradientMap)}(t,n)):n.isMeshPhongMaterial?(i(t,n),function(t,e){t.specular.value.copy(e.specular),t.shininess.value=Math.max(e.shininess,1e-4)}(t,n)):n.isMeshStandardMaterial?(i(t,n),function(t,i){t.roughness.value=i.roughness,t.metalness.value=i.metalness,i.roughnessMap&&(t.roughnessMap.value=i.roughnessMap);i.metalnessMap&&(t.metalnessMap.value=i.metalnessMap);e.get(i).envMap&&(t.envMapIntensity.value=i.envMapIntensity)}(t,n),n.isMeshPhysicalMaterial&&function(t,e,i){t.ior.value=e.ior,e.sheen>0&&(t.sheenColor.value.copy(e.sheenColor).multiplyScalar(e.sheen),t.sheenRoughness.value=e.sheenRoughness,e.sheenColorMap&&(t.sheenColorMap.value=e.sheenColorMap),e.sheenRoughnessMap&&(t.sheenRoughnessMap.value=e.sheenRoughnessMap));e.clearcoat>0&&(t.clearcoat.value=e.clearcoat,t.clearcoatRoughness.value=e.clearcoatRoughness,e.clearcoatMap&&(t.clearcoatMap.value=e.clearcoatMap),e.clearcoatRoughnessMap&&(t.clearcoatRoughnessMap.value=e.clearcoatRoughnessMap),e.clearcoatNormalMap&&(t.clearcoatNormalScale.value.copy(e.clearcoatNormalScale),t.clearcoatNormalMap.value=e.clearcoatNormalMap,1===e.side&&t.clearcoatNormalScale.value.negate()));e.iridescence>0&&(t.iridescence.value=e.iridescence,t.iridescenceIOR.value=e.iridescenceIOR,t.iridescenceThicknessMinimum.value=e.iridescenceThicknessRange[0],t.iridescenceThicknessMaximum.value=e.iridescenceThicknessRange[1],e.iridescenceMap&&(t.iridescenceMap.value=e.iridescenceMap),e.iridescenceThicknessMap&&(t.iridescenceThicknessMap.value=e.iridescenceThicknessMap));e.transmission>0&&(t.transmission.value=e.transmission,t.transmissionSamplerMap.value=i.texture,t.transmissionSamplerSize.value.set(i.width,i.height),e.transmissionMap&&(t.transmissionMap.value=e.transmissionMap),t.thickness.value=e.thickness,e.thicknessMap&&(t.thicknessMap.value=e.thicknessMap),t.attenuationDistance.value=e.attenuationDistance,t.attenuationColor.value.copy(e.attenuationColor));t.specularIntensity.value=e.specularIntensity,t.specularColor.value.copy(e.specularColor),e.specularIntensityMap&&(t.specularIntensityMap.value=e.specularIntensityMap);e.specularColorMap&&(t.specularColorMap.value=e.specularColorMap)}(t,n,a)):n.isMeshMatcapMaterial?(i(t,n),function(t,e){e.matcap&&(t.matcap.value=e.matcap)}(t,n)):n.isMeshDepthMaterial?i(t,n):n.isMeshDistanceMaterial?(i(t,n),function(t,e){t.referencePosition.value.copy(e.referencePosition),t.nearDistance.value=e.nearDistance,t.farDistance.value=e.farDistance}(t,n)):n.isMeshNormalMaterial?i(t,n):n.isLineBasicMaterial?(function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity}(t,n),n.isLineDashedMaterial&&function(t,e){t.dashSize.value=e.dashSize,t.totalSize.value=e.dashSize+e.gapSize,t.scale.value=e.scale}(t,n)):n.isPointsMaterial?function(t,e,i,n){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.size.value=e.size*i,t.scale.value=.5*n,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let r;e.map?r=e.map:e.alphaMap&&(r=e.alphaMap);void 0!==r&&(!0===r.matrixAutoUpdate&&r.updateMatrix(),t.uvTransform.value.copy(r.matrix))}(t,n,r,s):n.isSpriteMaterial?function(t,e){t.diffuse.value.copy(e.color),t.opacity.value=e.opacity,t.rotation.value=e.rotation,e.map&&(t.map.value=e.map);e.alphaMap&&(t.alphaMap.value=e.alphaMap);e.alphaTest>0&&(t.alphaTest.value=e.alphaTest);let i;e.map?i=e.map:e.alphaMap&&(i=e.alphaMap);void 0!==i&&(!0===i.matrixAutoUpdate&&i.updateMatrix(),t.uvTransform.value.copy(i.matrix))}(t,n):n.isShadowMaterial?(t.color.value.copy(n.color),t.opacity.value=n.opacity):n.isShaderMaterial&&(n.uniformsNeedUpdate=!1)}}}function Ys(t,e,i,n){let r={},s={},a=[];const o=i.isWebGL2?t.getParameter(35375):0;function l(t,e,i){const n=t.value;if(void 0===i[e])return i[e]="number"==typeof n?n:n.clone(),!0;if("number"==typeof n){if(i[e]!==n)return i[e]=n,!0}else{const t=i[e];if(!1===t.equals(n))return t.copy(n),!0}return!1}function c(t){const 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$s{constructor(t,e=1,i=1e3){this.isFog=!0,this.name="",this.color=new jt(t),this.near=e,this.far=i}clone(){return new $s(this.color,this.near,this.far)}toJSON(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}class Qs extends si{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(t,e){return super.copy(t,e),null!==t.background&&(this.background=t.background.clone()),null!==t.environment&&(this.environment=t.environment.clone()),null!==t.fog&&(this.fog=t.fog.clone()),null!==t.overrideMaterial&&(this.overrideMaterial=t.overrideMaterial.clone()),this.matrixAutoUpdate=t.matrixAutoUpdate,this}toJSON(t){const e=super.toJSON(t);return null!==this.fog&&(e.object.fog=this.fog.toJSON()),e}get autoUpdate(){return console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate}set autoUpdate(t){console.warn("THREE.Scene: autoUpdate was renamed to matrixWorldAutoUpdate in r144."),this.matrixWorldAutoUpdate=t}}class ta{constructor(t,e){this.isInterleavedBuffer=!0,this.array=t,this.stride=e,this.count=void 0!==t?t.length/e:0,this.usage=ut,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=_t()}onUploadCallback(){}set needsUpdate(t){!0===t&&this.version++}setUsage(t){return this.usage=t,this}copy(t){return this.array=new t.array.constructor(t.array),this.count=t.count,this.stride=t.stride,this.usage=t.usage,this}copyAt(t,e,i){t*=this.stride,i*=e.stride;for(let n=0,r=this.stride;n<r;n++)this.array[t+n]=e.array[i+n];return this}set(t,e=0){return this.array.set(t,e),this}clone(t){void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=_t()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const e=new this.array.constructor(t.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(e,this.stride);return i.setUsage(this.usage),i}onUpload(t){return this.onUploadCallback=t,this}toJSON(t){return void 0===t.arrayBuffers&&(t.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=_t()),void 0===t.arrayBuffers[this.array.buffer._uuid]&&(t.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}const ea=new ne;class ia{constructor(t,e,i,n=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=t,this.itemSize=e,this.offset=i,this.normalized=!0===n}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(t){this.data.needsUpdate=t}applyMatrix4(t){for(let e=0,i=this.data.count;e<i;e++)ea.fromBufferAttribute(this,e),ea.applyMatrix4(t),this.setXYZ(e,ea.x,ea.y,ea.z);return this}applyNormalMatrix(t){for(let e=0,i=this.count;e<i;e++)ea.fromBufferAttribute(this,e),ea.applyNormalMatrix(t),this.setXYZ(e,ea.x,ea.y,ea.z);return this}transformDirection(t){for(let e=0,i=this.count;e<i;e++)ea.fromBufferAttribute(this,e),ea.transformDirection(t),this.setXYZ(e,ea.x,ea.y,ea.z);return this}setX(t,e){return this.normalized&&(e=Et(e,this.array)),this.data.array[t*this.data.stride+this.offset]=e,this}setY(t,e){return this.normalized&&(e=Et(e,this.array)),this.data.array[t*this.data.stride+this.offset+1]=e,this}setZ(t,e){return this.normalized&&(e=Et(e,this.array)),this.data.array[t*this.data.stride+this.offset+2]=e,this}setW(t,e){return this.normalized&&(e=Et(e,this.array)),this.data.array[t*this.data.stride+this.offset+3]=e,this}getX(t){let e=this.data.array[t*this.data.stride+this.offset];return this.normalized&&(e=At(e,this.array)),e}getY(t){let e=this.data.array[t*this.data.stride+this.offset+1];return this.normalized&&(e=At(e,this.array)),e}getZ(t){let e=this.data.array[t*this.data.stride+this.offset+2];return this.normalized&&(e=At(e,this.array)),e}getW(t){let e=this.data.array[t*this.data.stride+this.offset+3];return this.normalized&&(e=At(e,this.array)),e}setXY(t,e,i){return t=t*this.data.stride+this.offset,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this}setXYZ(t,e,i,n){return t=t*this.data.stride+this.offset,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array),n=Et(n,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=n,this}setXYZW(t,e,i,n,r){return t=t*this.data.stride+this.offset,this.normalized&&(e=Et(e,this.array),i=Et(i,this.array),n=Et(n,this.array),r=Et(r,this.array)),this.data.array[t+0]=e,this.data.array[t+1]=i,this.data.array[t+2]=n,this.data.array[t+3]=r,this}clone(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return new bi(new this.array.constructor(t),this.itemSize,this.normalized)}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new ia(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(t){if(void 0===t){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will deinterleave buffer data.");const t=[];for(let e=0;e<this.count;e++){const i=e*this.data.stride+this.offset;for(let e=0;e<this.itemSize;e++)t.push(this.data.array[i+e])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}return void 0===t.interleavedBuffers&&(t.interleavedBuffers={}),void 0===t.interleavedBuffers[this.data.uuid]&&(t.interleavedBuffers[this.data.uuid]=this.data.toJSON(t)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}class na extends xi{constructor(t){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new jt(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.rotation=t.rotation,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}let ra;const sa=new ne,aa=new ne,oa=new ne,la=new Lt,ca=new Lt,ha=new Ne,ua=new ne,da=new ne,pa=new ne,ma=new Lt,fa=new Lt,ga=new Lt;class va extends si{constructor(t){if(super(),this.isSprite=!0,this.type="Sprite",void 0===ra){ra=new Di;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),e=new ta(t,5);ra.setIndex([0,1,2,0,2,3]),ra.setAttribute("position",new ia(e,3,0,!1)),ra.setAttribute("uv",new ia(e,2,3,!1))}this.geometry=ra,this.material=void 0!==t?t:new na,this.center=new Lt(.5,.5)}raycast(t,e){null===t.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),aa.setFromMatrixScale(this.matrixWorld),ha.copy(t.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(t.camera.matrixWorldInverse,this.matrixWorld),oa.setFromMatrixPosition(this.modelViewMatrix),t.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&aa.multiplyScalar(-oa.z);const i=this.material.rotation;let n,r;0!==i&&(r=Math.cos(i),n=Math.sin(i));const s=this.center;xa(ua.set(-.5,-.5,0),oa,s,aa,n,r),xa(da.set(.5,-.5,0),oa,s,aa,n,r),xa(pa.set(.5,.5,0),oa,s,aa,n,r),ma.set(0,0),fa.set(1,0),ga.set(1,1);let a=t.ray.intersectTriangle(ua,da,pa,!1,sa);if(null===a&&(xa(da.set(-.5,.5,0),oa,s,aa,n,r),fa.set(0,1),a=t.ray.intersectTriangle(ua,pa,da,!1,sa),null===a))return;const o=t.ray.origin.distanceTo(sa);o<t.near||o>t.far||e.push({distance:o,point:sa.clone(),uv:gi.getUV(sa,ua,da,pa,ma,fa,ga,new Lt),face:null,object:this})}copy(t,e){return super.copy(t,e),void 0!==t.center&&this.center.copy(t.center),this.material=t.material,this}}function xa(t,e,i,n,r,s){la.subVectors(t,i).addScalar(.5).multiply(n),void 0!==r?(ca.x=s*la.x-r*la.y,ca.y=r*la.x+s*la.y):ca.copy(la),t.copy(e),t.x+=ca.x,t.y+=ca.y,t.applyMatrix4(ha)}const _a=new ne,ya=new ne;class Ma extends si{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(t){super.copy(t,!1);const e=t.levels;for(let t=0,i=e.length;t<i;t++){const i=e[t];this.addLevel(i.object.clone(),i.distance)}return this.autoUpdate=t.autoUpdate,this}addLevel(t,e=0){e=Math.abs(e);const i=this.levels;let n;for(n=0;n<i.length&&!(e<i[n].distance);n++);return i.splice(n,0,{distance:e,object:t}),this.add(t),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(t){const e=this.levels;if(e.length>0){let i,n;for(i=1,n=e.length;i<n&&!(t<e[i].distance);i++);return e[i-1].object}return null}raycast(t,e){if(this.levels.length>0){_a.setFromMatrixPosition(this.matrixWorld);const i=t.ray.origin.distanceTo(_a);this.getObjectForDistance(i).raycast(t,e)}}update(t){const e=this.levels;if(e.length>1){_a.setFromMatrixPosition(t.matrixWorld),ya.setFromMatrixPosition(this.matrixWorld);const i=_a.distanceTo(ya)/t.zoom;let n,r;for(e[0].object.visible=!0,n=1,r=e.length;n<r&&i>=e[n].distance;n++)e[n-1].object.visible=!1,e[n].object.visible=!0;for(this._currentLevel=n-1;n<r;n++)e[n].object.visible=!1}}toJSON(t){const e=super.toJSON(t);!1===this.autoUpdate&&(e.object.autoUpdate=!1),e.object.levels=[];const i=this.levels;for(let t=0,n=i.length;t<n;t++){const n=i[t];e.object.levels.push({object:n.object.uuid,distance:n.distance})}return e}}const ba=new ne,Sa=new $t,wa=new $t,Ta=new ne,Aa=new Ne;class Ea extends Ki{constructor(t,e){super(t,e),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Ne,this.bindMatrixInverse=new Ne}copy(t,e){return super.copy(t,e),this.bindMode=t.bindMode,this.bindMatrix.copy(t.bindMatrix),this.bindMatrixInverse.copy(t.bindMatrixInverse),this.skeleton=t.skeleton,this}bind(t,e){this.skeleton=t,void 0===e&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),e=this.matrixWorld),this.bindMatrix.copy(e),this.bindMatrixInverse.copy(e).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){const t=new $t,e=this.geometry.attributes.skinWeight;for(let i=0,n=e.count;i<n;i++){t.fromBufferAttribute(e,i);const n=1/t.manhattanLength();n!==1/0?t.multiplyScalar(n):t.set(1,0,0,0),e.setXYZW(i,t.x,t.y,t.z,t.w)}}updateMatrixWorld(t){super.updateMatrixWorld(t),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}boneTransform(t,e){const i=this.skeleton,n=this.geometry;Sa.fromBufferAttribute(n.attributes.skinIndex,t),wa.fromBufferAttribute(n.attributes.skinWeight,t),ba.copy(e).applyMatrix4(this.bindMatrix),e.set(0,0,0);for(let t=0;t<4;t++){const n=wa.getComponent(t);if(0!==n){const r=Sa.getComponent(t);Aa.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),e.addScaledVector(Ta.copy(ba).applyMatrix4(Aa),n)}}return e.applyMatrix4(this.bindMatrixInverse)}}class Ca extends si{constructor(){super(),this.isBone=!0,this.type="Bone"}}class La extends Kt{constructor(t=null,e=1,i=1,n,r,s,a,o,l=1003,c=1003,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isDataTexture=!0,this.image={data:t,width:e,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const Ra=new Ne,Pa=new Ne;class Ia{constructor(t=[],e=[]){this.uuid=_t(),this.bones=t.slice(0),this.boneInverses=e,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.frame=-1,this.init()}init(){const t=this.bones,e=this.boneInverses;if(this.boneMatrices=new Float32Array(16*t.length),0===e.length)this.calculateInverses();else if(t.length!==e.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let t=0,e=this.bones.length;t<e;t++)this.boneInverses.push(new Ne)}}calculateInverses(){this.boneInverses.length=0;for(let t=0,e=this.bones.length;t<e;t++){const e=new Ne;this.bones[t]&&e.copy(this.bones[t].matrixWorld).invert(),this.boneInverses.push(e)}}pose(){for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&e.matrixWorld.copy(this.boneInverses[t]).invert()}for(let t=0,e=this.bones.length;t<e;t++){const e=this.bones[t];e&&(e.parent&&e.parent.isBone?(e.matrix.copy(e.parent.matrixWorld).invert(),e.matrix.multiply(e.matrixWorld)):e.matrix.copy(e.matrixWorld),e.matrix.decompose(e.position,e.quaternion,e.scale))}}update(){const t=this.bones,e=this.boneInverses,i=this.boneMatrices,n=this.boneTexture;for(let n=0,r=t.length;n<r;n++){const r=t[n]?t[n].matrixWorld:Pa;Ra.multiplyMatrices(r,e[n]),Ra.toArray(i,16*n)}null!==n&&(n.needsUpdate=!0)}clone(){return new Ia(this.bones,this.boneInverses)}computeBoneTexture(){let t=Math.sqrt(4*this.bones.length);t=wt(t),t=Math.max(t,4);const e=new Float32Array(t*t*4);e.set(this.boneMatrices);const i=new La(e,t,t,w,M);return i.needsUpdate=!0,this.boneMatrices=e,this.boneTexture=i,this.boneTextureSize=t,this}getBoneByName(t){for(let e=0,i=this.bones.length;e<i;e++){const i=this.bones[e];if(i.name===t)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(t,e){this.uuid=t.uuid;for(let i=0,n=t.bones.length;i<n;i++){const n=t.bones[i];let r=e[n];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",n),r=new Ca),this.bones.push(r),this.boneInverses.push((new Ne).fromArray(t.boneInverses[i]))}return this.init(),this}toJSON(){const t={metadata:{version:4.5,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};t.uuid=this.uuid;const e=this.bones,i=this.boneInverses;for(let n=0,r=e.length;n<r;n++){const r=e[n];t.bones.push(r.uuid);const s=i[n];t.boneInverses.push(s.toArray())}return t}}class Da extends bi{constructor(t,e,i,n=1){super(t,e,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=n}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}toJSON(){const t=super.toJSON();return t.meshPerAttribute=this.meshPerAttribute,t.isInstancedBufferAttribute=!0,t}}const Na=new Ne,Oa=new Ne,za=[],Ua=new Ki;class Ba extends Ki{constructor(t,e,i){super(t,e),this.isInstancedMesh=!0,this.instanceMatrix=new Da(new Float32Array(16*i),16),this.instanceColor=null,this.count=i,this.frustumCulled=!1}copy(t,e){return super.copy(t,e),this.instanceMatrix.copy(t.instanceMatrix),null!==t.instanceColor&&(this.instanceColor=t.instanceColor.clone()),this.count=t.count,this}getColorAt(t,e){e.fromArray(this.instanceColor.array,3*t)}getMatrixAt(t,e){e.fromArray(this.instanceMatrix.array,16*t)}raycast(t,e){const i=this.matrixWorld,n=this.count;if(Ua.geometry=this.geometry,Ua.material=this.material,void 0!==Ua.material)for(let r=0;r<n;r++){this.getMatrixAt(r,Na),Oa.multiplyMatrices(i,Na),Ua.matrixWorld=Oa,Ua.raycast(t,za);for(let t=0,i=za.length;t<i;t++){const i=za[t];i.instanceId=r,i.object=this,e.push(i)}za.length=0}}setColorAt(t,e){null===this.instanceColor&&(this.instanceColor=new Da(new Float32Array(3*this.instanceMatrix.count),3)),e.toArray(this.instanceColor.array,3*t)}setMatrixAt(t,e){e.toArray(this.instanceMatrix.array,16*t)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Fa extends xi{constructor(t){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new jt(16777215),this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.linewidth=t.linewidth,this.linecap=t.linecap,this.linejoin=t.linejoin,this.fog=t.fog,this}}const ka=new ne,Ga=new ne,Va=new Ne,Ha=new De,Wa=new Te;class ja extends si{constructor(t=new Di,e=new Fa){super(),this.isLine=!0,this.type="Line",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[0];for(let t=1,n=e.count;t<n;t++)ka.fromBufferAttribute(e,t-1),Ga.fromBufferAttribute(e,t),i[t]=i[t-1],i[t]+=ka.distanceTo(Ga);t.setAttribute("lineDistance",new Ti(i,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(t,e){const i=this.geometry,n=this.matrixWorld,r=t.params.Line.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Wa.copy(i.boundingSphere),Wa.applyMatrix4(n),Wa.radius+=r,!1===t.ray.intersectsSphere(Wa))return;Va.copy(n).invert(),Ha.copy(t.ray).applyMatrix4(Va);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=new ne,c=new ne,h=new ne,u=new ne,d=this.isLineSegments?2:1,p=i.index,m=i.attributes.position;if(null!==p){for(let i=Math.max(0,s.start),n=Math.min(p.count,s.start+s.count)-1;i<n;i+=d){const n=p.getX(i),r=p.getX(i+1);l.fromBufferAttribute(m,n),c.fromBufferAttribute(m,r);if(Ha.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const s=t.ray.origin.distanceTo(u);s<t.near||s>t.far||e.push({distance:s,point:h.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}else{for(let i=Math.max(0,s.start),n=Math.min(m.count,s.start+s.count)-1;i<n;i+=d){l.fromBufferAttribute(m,i),c.fromBufferAttribute(m,i+1);if(Ha.distanceSqToSegment(l,c,u,h)>o)continue;u.applyMatrix4(this.matrixWorld);const n=t.ray.origin.distanceTo(u);n<t.near||n>t.far||e.push({distance:n,point:h.clone().applyMatrix4(this.matrixWorld),index:i,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}const qa=new ne,Xa=new ne;class Ya extends ja{constructor(t,e){super(t,e),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const t=this.geometry;if(null===t.index){const e=t.attributes.position,i=[];for(let t=0,n=e.count;t<n;t+=2)qa.fromBufferAttribute(e,t),Xa.fromBufferAttribute(e,t+1),i[t]=0===t?0:i[t-1],i[t+1]=i[t]+qa.distanceTo(Xa);t.setAttribute("lineDistance",new Ti(i,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class Za extends ja{constructor(t,e){super(t,e),this.isLineLoop=!0,this.type="LineLoop"}}class Ja extends xi{constructor(t){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new jt(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.alphaMap=t.alphaMap,this.size=t.size,this.sizeAttenuation=t.sizeAttenuation,this.fog=t.fog,this}}const Ka=new Ne,$a=new De,Qa=new Te,to=new ne;class eo extends si{constructor(t=new Di,e=new Ja){super(),this.isPoints=!0,this.type="Points",this.geometry=t,this.material=e,this.updateMorphTargets()}copy(t,e){return super.copy(t,e),this.material=t.material,this.geometry=t.geometry,this}raycast(t,e){const i=this.geometry,n=this.matrixWorld,r=t.params.Points.threshold,s=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),Qa.copy(i.boundingSphere),Qa.applyMatrix4(n),Qa.radius+=r,!1===t.ray.intersectsSphere(Qa))return;Ka.copy(n).invert(),$a.copy(t.ray).applyMatrix4(Ka);const a=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=a*a,l=i.index,c=i.attributes.position;if(null!==l){for(let i=Math.max(0,s.start),r=Math.min(l.count,s.start+s.count);i<r;i++){const r=l.getX(i);to.fromBufferAttribute(c,r),io(to,r,o,n,t,e,this)}}else{for(let i=Math.max(0,s.start),r=Math.min(c.count,s.start+s.count);i<r;i++)to.fromBufferAttribute(c,i),io(to,i,o,n,t,e,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,e=Object.keys(t);if(e.length>0){const i=t[e[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,e=i.length;t<e;t++){const e=i[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[e]=t}}}}}function io(t,e,i,n,r,s,a){const o=$a.distanceSqToPoint(t);if(o<i){const i=new ne;$a.closestPointToPoint(t,i),i.applyMatrix4(n);const l=r.ray.origin.distanceTo(i);if(l<r.near||l>r.far)return;s.push({distance:l,distanceToRay:Math.sqrt(o),point:i,index:e,face:null,object:a})}}class no extends Kt{constructor(t,e,i,n,r,s,a,o,l,c,h,u){super(null,s,a,o,l,c,n,r,h,u),this.isCompressedTexture=!0,this.image={width:e,height:i},this.mipmaps=t,this.flipY=!1,this.generateMipmaps=!1}}class ro{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(t,e){const i=this.getUtoTmapping(t);return this.getPoint(i,e)}getPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return e}getSpacedPoints(t=5){const e=[];for(let i=0;i<=t;i++)e.push(this.getPointAt(i/t));return e}getLength(){const t=this.getLengths();return t[t.length-1]}getLengths(t=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===t+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const e=[];let i,n=this.getPoint(0),r=0;e.push(0);for(let s=1;s<=t;s++)i=this.getPoint(s/t),r+=i.distanceTo(n),e.push(r),n=i;return this.cacheArcLengths=e,e}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(t,e){const i=this.getLengths();let n=0;const r=i.length;let s;s=e||t*i[r-1];let a,o=0,l=r-1;for(;o<=l;)if(n=Math.floor(o+(l-o)/2),a=i[n]-s,a<0)o=n+1;else{if(!(a>0)){l=n;break}l=n-1}if(n=l,i[n]===s)return n/(r-1);const c=i[n];return(n+(s-c)/(i[n+1]-c))/(r-1)}getTangent(t,e){const i=1e-4;let n=t-i,r=t+i;n<0&&(n=0),r>1&&(r=1);const s=this.getPoint(n),a=this.getPoint(r),o=e||(s.isVector2?new Lt:new ne);return o.copy(a).sub(s).normalize(),o}getTangentAt(t,e){const i=this.getUtoTmapping(t);return this.getTangent(i,e)}computeFrenetFrames(t,e){const i=new ne,n=[],r=[],s=[],a=new ne,o=new Ne;for(let e=0;e<=t;e++){const i=e/t;n[e]=this.getTangentAt(i,new ne)}r[0]=new ne,s[0]=new ne;let l=Number.MAX_VALUE;const c=Math.abs(n[0].x),h=Math.abs(n[0].y),u=Math.abs(n[0].z);c<=l&&(l=c,i.set(1,0,0)),h<=l&&(l=h,i.set(0,1,0)),u<=l&&i.set(0,0,1),a.crossVectors(n[0],i).normalize(),r[0].crossVectors(n[0],a),s[0].crossVectors(n[0],r[0]);for(let e=1;e<=t;e++){if(r[e]=r[e-1].clone(),s[e]=s[e-1].clone(),a.crossVectors(n[e-1],n[e]),a.length()>Number.EPSILON){a.normalize();const t=Math.acos(yt(n[e-1].dot(n[e]),-1,1));r[e].applyMatrix4(o.makeRotationAxis(a,t))}s[e].crossVectors(n[e],r[e])}if(!0===e){let e=Math.acos(yt(r[0].dot(r[t]),-1,1));e/=t,n[0].dot(a.crossVectors(r[0],r[t]))>0&&(e=-e);for(let i=1;i<=t;i++)r[i].applyMatrix4(o.makeRotationAxis(n[i],e*i)),s[i].crossVectors(n[i],r[i])}return{tangents:n,normals:r,binormals:s}}clone(){return(new this.constructor).copy(this)}copy(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}toJSON(){const t={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return t.arcLengthDivisions=this.arcLengthDivisions,t.type=this.type,t}fromJSON(t){return this.arcLengthDivisions=t.arcLengthDivisions,this}}class so extends ro{constructor(t=0,e=0,i=1,n=1,r=0,s=2*Math.PI,a=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=t,this.aY=e,this.xRadius=i,this.yRadius=n,this.aStartAngle=r,this.aEndAngle=s,this.aClockwise=a,this.aRotation=o}getPoint(t,e){const i=e||new Lt,n=2*Math.PI;let r=this.aEndAngle-this.aStartAngle;const s=Math.abs(r)<Number.EPSILON;for(;r<0;)r+=n;for(;r>n;)r-=n;r<Number.EPSILON&&(r=s?0:n),!0!==this.aClockwise||s||(r===n?r=-n:r-=n);const a=this.aStartAngle+t*r;let o=this.aX+this.xRadius*Math.cos(a),l=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){const t=Math.cos(this.aRotation),e=Math.sin(this.aRotation),i=o-this.aX,n=l-this.aY;o=i*t-n*e+this.aX,l=i*e+n*t+this.aY}return i.set(o,l)}copy(t){return super.copy(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}toJSON(){const t=super.toJSON();return t.aX=this.aX,t.aY=this.aY,t.xRadius=this.xRadius,t.yRadius=this.yRadius,t.aStartAngle=this.aStartAngle,t.aEndAngle=this.aEndAngle,t.aClockwise=this.aClockwise,t.aRotation=this.aRotation,t}fromJSON(t){return super.fromJSON(t),this.aX=t.aX,this.aY=t.aY,this.xRadius=t.xRadius,this.yRadius=t.yRadius,this.aStartAngle=t.aStartAngle,this.aEndAngle=t.aEndAngle,this.aClockwise=t.aClockwise,this.aRotation=t.aRotation,this}}class ao extends so{constructor(t,e,i,n,r,s){super(t,e,i,i,n,r,s),this.isArcCurve=!0,this.type="ArcCurve"}}function oo(){let t=0,e=0,i=0,n=0;function r(r,s,a,o){t=r,e=a,i=-3*r+3*s-2*a-o,n=2*r-2*s+a+o}return{initCatmullRom:function(t,e,i,n,s){r(e,i,s*(i-t),s*(n-e))},initNonuniformCatmullRom:function(t,e,i,n,s,a,o){let l=(e-t)/s-(i-t)/(s+a)+(i-e)/a,c=(i-e)/a-(n-e)/(a+o)+(n-i)/o;l*=a,c*=a,r(e,i,l,c)},calc:function(r){const s=r*r;return t+e*r+i*s+n*(s*r)}}}const lo=new ne,co=new oo,ho=new oo,uo=new oo;class po extends ro{constructor(t=[],e=!1,i="centripetal",n=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=t,this.closed=e,this.curveType=i,this.tension=n}getPoint(t,e=new ne){const i=e,n=this.points,r=n.length,s=(r-(this.closed?0:1))*t;let a,o,l=Math.floor(s),c=s-l;this.closed?l+=l>0?0:(Math.floor(Math.abs(l)/r)+1)*r:0===c&&l===r-1&&(l=r-2,c=1),this.closed||l>0?a=n[(l-1)%r]:(lo.subVectors(n[0],n[1]).add(n[0]),a=lo);const h=n[l%r],u=n[(l+1)%r];if(this.closed||l+2<r?o=n[(l+2)%r]:(lo.subVectors(n[r-1],n[r-2]).add(n[r-1]),o=lo),"centripetal"===this.curveType||"chordal"===this.curveType){const t="chordal"===this.curveType?.5:.25;let e=Math.pow(a.distanceToSquared(h),t),i=Math.pow(h.distanceToSquared(u),t),n=Math.pow(u.distanceToSquared(o),t);i<1e-4&&(i=1),e<1e-4&&(e=i),n<1e-4&&(n=i),co.initNonuniformCatmullRom(a.x,h.x,u.x,o.x,e,i,n),ho.initNonuniformCatmullRom(a.y,h.y,u.y,o.y,e,i,n),uo.initNonuniformCatmullRom(a.z,h.z,u.z,o.z,e,i,n)}else"catmullrom"===this.curveType&&(co.initCatmullRom(a.x,h.x,u.x,o.x,this.tension),ho.initCatmullRom(a.y,h.y,u.y,o.y,this.tension),uo.initCatmullRom(a.z,h.z,u.z,o.z,this.tension));return i.set(co.calc(c),ho.calc(c),uo.calc(c)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t.closed=this.closed,t.curveType=this.curveType,t.tension=this.tension,t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new ne).fromArray(i))}return this.closed=t.closed,this.curveType=t.curveType,this.tension=t.tension,this}}function mo(t,e,i,n,r){const s=.5*(n-e),a=.5*(r-i),o=t*t;return(2*i-2*n+s+a)*(t*o)+(-3*i+3*n-2*s-a)*o+s*t+i}function fo(t,e,i,n){return function(t,e){const i=1-t;return i*i*e}(t,e)+function(t,e){return 2*(1-t)*t*e}(t,i)+function(t,e){return t*t*e}(t,n)}function go(t,e,i,n,r){return function(t,e){const i=1-t;return i*i*i*e}(t,e)+function(t,e){const i=1-t;return 3*i*i*t*e}(t,i)+function(t,e){return 3*(1-t)*t*t*e}(t,n)+function(t,e){return t*t*t*e}(t,r)}class vo extends ro{constructor(t=new Lt,e=new Lt,i=new Lt,n=new Lt){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=t,this.v1=e,this.v2=i,this.v3=n}getPoint(t,e=new Lt){const i=e,n=this.v0,r=this.v1,s=this.v2,a=this.v3;return i.set(go(t,n.x,r.x,s.x,a.x),go(t,n.y,r.y,s.y,a.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class xo extends ro{constructor(t=new ne,e=new ne,i=new ne,n=new ne){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=t,this.v1=e,this.v2=i,this.v3=n}getPoint(t,e=new ne){const i=e,n=this.v0,r=this.v1,s=this.v2,a=this.v3;return i.set(go(t,n.x,r.x,s.x,a.x),go(t,n.y,r.y,s.y,a.y),go(t,n.z,r.z,s.z,a.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this.v3.copy(t.v3),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t.v3=this.v3.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this.v3.fromArray(t.v3),this}}class _o extends ro{constructor(t=new Lt,e=new Lt){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=t,this.v2=e}getPoint(t,e=new Lt){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}getTangent(t,e){const i=e||new Lt;return i.copy(this.v2).sub(this.v1).normalize(),i}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class yo extends ro{constructor(t=new ne,e=new ne){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=t,this.v2=e}getPoint(t,e=new ne){const i=e;return 1===t?i.copy(this.v2):(i.copy(this.v2).sub(this.v1),i.multiplyScalar(t).add(this.v1)),i}getPointAt(t,e){return this.getPoint(t,e)}copy(t){return super.copy(t),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class Mo extends ro{constructor(t=new Lt,e=new Lt,i=new Lt){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new Lt){const i=e,n=this.v0,r=this.v1,s=this.v2;return i.set(fo(t,n.x,r.x,s.x),fo(t,n.y,r.y,s.y)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class bo extends ro{constructor(t=new ne,e=new ne,i=new ne){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=t,this.v1=e,this.v2=i}getPoint(t,e=new ne){const i=e,n=this.v0,r=this.v1,s=this.v2;return i.set(fo(t,n.x,r.x,s.x),fo(t,n.y,r.y,s.y),fo(t,n.z,r.z,s.z)),i}copy(t){return super.copy(t),this.v0.copy(t.v0),this.v1.copy(t.v1),this.v2.copy(t.v2),this}toJSON(){const t=super.toJSON();return t.v0=this.v0.toArray(),t.v1=this.v1.toArray(),t.v2=this.v2.toArray(),t}fromJSON(t){return super.fromJSON(t),this.v0.fromArray(t.v0),this.v1.fromArray(t.v1),this.v2.fromArray(t.v2),this}}class So extends ro{constructor(t=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=t}getPoint(t,e=new Lt){const i=e,n=this.points,r=(n.length-1)*t,s=Math.floor(r),a=r-s,o=n[0===s?s:s-1],l=n[s],c=n[s>n.length-2?n.length-1:s+1],h=n[s>n.length-3?n.length-1:s+2];return i.set(mo(a,o.x,l.x,c.x,h.x),mo(a,o.y,l.y,c.y,h.y)),i}copy(t){super.copy(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.points=[];for(let e=0,i=this.points.length;e<i;e++){const i=this.points[e];t.points.push(i.toArray())}return t}fromJSON(t){super.fromJSON(t),this.points=[];for(let e=0,i=t.points.length;e<i;e++){const i=t.points[e];this.points.push((new Lt).fromArray(i))}return this}}var wo=Object.freeze({__proto__:null,ArcCurve:ao,CatmullRomCurve3:po,CubicBezierCurve:vo,CubicBezierCurve3:xo,EllipseCurve:so,LineCurve:_o,LineCurve3:yo,QuadraticBezierCurve:Mo,QuadraticBezierCurve3:bo,SplineCurve:So});class To extends ro{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(t){this.curves.push(t)}closePath(){const t=this.curves[0].getPoint(0),e=this.curves[this.curves.length-1].getPoint(1);t.equals(e)||this.curves.push(new _o(e,t))}getPoint(t,e){const i=t*this.getLength(),n=this.getCurveLengths();let r=0;for(;r<n.length;){if(n[r]>=i){const t=n[r]-i,s=this.curves[r],a=s.getLength(),o=0===a?0:1-t/a;return s.getPointAt(o,e)}r++}return null}getLength(){const t=this.getCurveLengths();return t[t.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const t=[];let e=0;for(let i=0,n=this.curves.length;i<n;i++)e+=this.curves[i].getLength(),t.push(e);return this.cacheLengths=t,t}getSpacedPoints(t=40){const e=[];for(let i=0;i<=t;i++)e.push(this.getPoint(i/t));return this.autoClose&&e.push(e[0]),e}getPoints(t=12){const e=[];let i;for(let n=0,r=this.curves;n<r.length;n++){const s=r[n],a=s.isEllipseCurve?2*t:s.isLineCurve||s.isLineCurve3?1:s.isSplineCurve?t*s.points.length:t,o=s.getPoints(a);for(let t=0;t<o.length;t++){const n=o[t];i&&i.equals(n)||(e.push(n),i=n)}}return this.autoClose&&e.length>1&&!e[e.length-1].equals(e[0])&&e.push(e[0]),e}copy(t){super.copy(t),this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push(i.clone())}return this.autoClose=t.autoClose,this}toJSON(){const t=super.toJSON();t.autoClose=this.autoClose,t.curves=[];for(let e=0,i=this.curves.length;e<i;e++){const i=this.curves[e];t.curves.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.autoClose=t.autoClose,this.curves=[];for(let e=0,i=t.curves.length;e<i;e++){const i=t.curves[e];this.curves.push((new wo[i.type]).fromJSON(i))}return this}}class Ao extends To{constructor(t){super(),this.type="Path",this.currentPoint=new Lt,t&&this.setFromPoints(t)}setFromPoints(t){this.moveTo(t[0].x,t[0].y);for(let e=1,i=t.length;e<i;e++)this.lineTo(t[e].x,t[e].y);return this}moveTo(t,e){return this.currentPoint.set(t,e),this}lineTo(t,e){const i=new _o(this.currentPoint.clone(),new Lt(t,e));return this.curves.push(i),this.currentPoint.set(t,e),this}quadraticCurveTo(t,e,i,n){const r=new Mo(this.currentPoint.clone(),new Lt(t,e),new Lt(i,n));return this.curves.push(r),this.currentPoint.set(i,n),this}bezierCurveTo(t,e,i,n,r,s){const a=new vo(this.currentPoint.clone(),new Lt(t,e),new Lt(i,n),new Lt(r,s));return this.curves.push(a),this.currentPoint.set(r,s),this}splineThru(t){const e=[this.currentPoint.clone()].concat(t),i=new So(e);return this.curves.push(i),this.currentPoint.copy(t[t.length-1]),this}arc(t,e,i,n,r,s){const a=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(t+a,e+o,i,n,r,s),this}absarc(t,e,i,n,r,s){return this.absellipse(t,e,i,i,n,r,s),this}ellipse(t,e,i,n,r,s,a,o){const l=this.currentPoint.x,c=this.currentPoint.y;return this.absellipse(t+l,e+c,i,n,r,s,a,o),this}absellipse(t,e,i,n,r,s,a,o){const l=new so(t,e,i,n,r,s,a,o);if(this.curves.length>0){const t=l.getPoint(0);t.equals(this.currentPoint)||this.lineTo(t.x,t.y)}this.curves.push(l);const c=l.getPoint(1);return this.currentPoint.copy(c),this}copy(t){return super.copy(t),this.currentPoint.copy(t.currentPoint),this}toJSON(){const t=super.toJSON();return t.currentPoint=this.currentPoint.toArray(),t}fromJSON(t){return super.fromJSON(t),this.currentPoint.fromArray(t.currentPoint),this}}class Eo extends Di{constructor(t=[new Lt(0,-.5),new Lt(.5,0),new Lt(0,.5)],e=12,i=0,n=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:t,segments:e,phiStart:i,phiLength:n},e=Math.floor(e),n=yt(n,0,2*Math.PI);const r=[],s=[],a=[],o=[],l=[],c=1/e,h=new ne,u=new Lt,d=new ne,p=new ne,m=new ne;let f=0,g=0;for(let e=0;e<=t.length-1;e++)switch(e){case 0:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,m.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case t.length-1:o.push(m.x,m.y,m.z);break;default:f=t[e+1].x-t[e].x,g=t[e+1].y-t[e].y,d.x=1*g,d.y=-f,d.z=0*g,p.copy(d),d.x+=m.x,d.y+=m.y,d.z+=m.z,d.normalize(),o.push(d.x,d.y,d.z),m.copy(p)}for(let r=0;r<=e;r++){const d=i+r*c*n,p=Math.sin(d),m=Math.cos(d);for(let i=0;i<=t.length-1;i++){h.x=t[i].x*p,h.y=t[i].y,h.z=t[i].x*m,s.push(h.x,h.y,h.z),u.x=r/e,u.y=i/(t.length-1),a.push(u.x,u.y);const n=o[3*i+0]*p,c=o[3*i+1],d=o[3*i+0]*m;l.push(n,c,d)}}for(let i=0;i<e;i++)for(let e=0;e<t.length-1;e++){const n=e+i*t.length,s=n,a=n+t.length,o=n+t.length+1,l=n+1;r.push(s,a,l),r.push(o,l,a)}this.setIndex(r),this.setAttribute("position",new Ti(s,3)),this.setAttribute("uv",new Ti(a,2)),this.setAttribute("normal",new Ti(l,3))}static fromJSON(t){return new Eo(t.points,t.segments,t.phiStart,t.phiLength)}}class Co extends Eo{constructor(t=1,e=1,i=4,n=8){const r=new Ao;r.absarc(0,-e/2,t,1.5*Math.PI,0),r.absarc(0,e/2,t,0,.5*Math.PI),super(r.getPoints(i),n),this.type="CapsuleGeometry",this.parameters={radius:t,height:e,capSegments:i,radialSegments:n}}static fromJSON(t){return new Co(t.radius,t.length,t.capSegments,t.radialSegments)}}class Lo extends Di{constructor(t=1,e=8,i=0,n=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:t,segments:e,thetaStart:i,thetaLength:n},e=Math.max(3,e);const r=[],s=[],a=[],o=[],l=new ne,c=new Lt;s.push(0,0,0),a.push(0,0,1),o.push(.5,.5);for(let r=0,h=3;r<=e;r++,h+=3){const u=i+r/e*n;l.x=t*Math.cos(u),l.y=t*Math.sin(u),s.push(l.x,l.y,l.z),a.push(0,0,1),c.x=(s[h]/t+1)/2,c.y=(s[h+1]/t+1)/2,o.push(c.x,c.y)}for(let t=1;t<=e;t++)r.push(t,t+1,0);this.setIndex(r),this.setAttribute("position",new Ti(s,3)),this.setAttribute("normal",new Ti(a,3)),this.setAttribute("uv",new Ti(o,2))}static fromJSON(t){return new Lo(t.radius,t.segments,t.thetaStart,t.thetaLength)}}class Ro extends Di{constructor(t=1,e=1,i=1,n=8,r=1,s=!1,a=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:t,radiusBottom:e,height:i,radialSegments:n,heightSegments:r,openEnded:s,thetaStart:a,thetaLength:o};const l=this;n=Math.floor(n),r=Math.floor(r);const c=[],h=[],u=[],d=[];let p=0;const m=[],f=i/2;let g=0;function v(i){const r=p,s=new Lt,m=new ne;let v=0;const x=!0===i?t:e,_=!0===i?1:-1;for(let t=1;t<=n;t++)h.push(0,f*_,0),u.push(0,_,0),d.push(.5,.5),p++;const y=p;for(let t=0;t<=n;t++){const e=t/n*o+a,i=Math.cos(e),r=Math.sin(e);m.x=x*r,m.y=f*_,m.z=x*i,h.push(m.x,m.y,m.z),u.push(0,_,0),s.x=.5*i+.5,s.y=.5*r*_+.5,d.push(s.x,s.y),p++}for(let t=0;t<n;t++){const e=r+t,n=y+t;!0===i?c.push(n,n+1,e):c.push(n+1,n,e),v+=3}l.addGroup(g,v,!0===i?1:2),g+=v}!function(){const s=new ne,v=new ne;let x=0;const _=(e-t)/i;for(let l=0;l<=r;l++){const c=[],g=l/r,x=g*(e-t)+t;for(let t=0;t<=n;t++){const e=t/n,r=e*o+a,l=Math.sin(r),m=Math.cos(r);v.x=x*l,v.y=-g*i+f,v.z=x*m,h.push(v.x,v.y,v.z),s.set(l,_,m).normalize(),u.push(s.x,s.y,s.z),d.push(e,1-g),c.push(p++)}m.push(c)}for(let t=0;t<n;t++)for(let e=0;e<r;e++){const i=m[e][t],n=m[e+1][t],r=m[e+1][t+1],s=m[e][t+1];c.push(i,n,s),c.push(n,r,s),x+=6}l.addGroup(g,x,0),g+=x}(),!1===s&&(t>0&&v(!0),e>0&&v(!1)),this.setIndex(c),this.setAttribute("position",new Ti(h,3)),this.setAttribute("normal",new Ti(u,3)),this.setAttribute("uv",new Ti(d,2))}static fromJSON(t){return new Ro(t.radiusTop,t.radiusBottom,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Po extends Ro{constructor(t=1,e=1,i=8,n=1,r=!1,s=0,a=2*Math.PI){super(0,t,e,i,n,r,s,a),this.type="ConeGeometry",this.parameters={radius:t,height:e,radialSegments:i,heightSegments:n,openEnded:r,thetaStart:s,thetaLength:a}}static fromJSON(t){return new Po(t.radius,t.height,t.radialSegments,t.heightSegments,t.openEnded,t.thetaStart,t.thetaLength)}}class Io extends Di{constructor(t=[],e=[],i=1,n=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:t,indices:e,radius:i,detail:n};const r=[],s=[];function a(t,e,i,n){const r=n+1,s=[];for(let n=0;n<=r;n++){s[n]=[];const a=t.clone().lerp(i,n/r),o=e.clone().lerp(i,n/r),l=r-n;for(let t=0;t<=l;t++)s[n][t]=0===t&&n===r?a:a.clone().lerp(o,t/l)}for(let t=0;t<r;t++)for(let e=0;e<2*(r-t)-1;e++){const i=Math.floor(e/2);e%2==0?(o(s[t][i+1]),o(s[t+1][i]),o(s[t][i])):(o(s[t][i+1]),o(s[t+1][i+1]),o(s[t+1][i]))}}function o(t){r.push(t.x,t.y,t.z)}function l(e,i){const n=3*e;i.x=t[n+0],i.y=t[n+1],i.z=t[n+2]}function c(t,e,i,n){n<0&&1===t.x&&(s[e]=t.x-1),0===i.x&&0===i.z&&(s[e]=n/2/Math.PI+.5)}function h(t){return Math.atan2(t.z,-t.x)}!function(t){const i=new ne,n=new ne,r=new ne;for(let s=0;s<e.length;s+=3)l(e[s+0],i),l(e[s+1],n),l(e[s+2],r),a(i,n,r,t)}(n),function(t){const e=new ne;for(let i=0;i<r.length;i+=3)e.x=r[i+0],e.y=r[i+1],e.z=r[i+2],e.normalize().multiplyScalar(t),r[i+0]=e.x,r[i+1]=e.y,r[i+2]=e.z}(i),function(){const t=new ne;for(let i=0;i<r.length;i+=3){t.x=r[i+0],t.y=r[i+1],t.z=r[i+2];const n=h(t)/2/Math.PI+.5,a=(e=t,Math.atan2(-e.y,Math.sqrt(e.x*e.x+e.z*e.z))/Math.PI+.5);s.push(n,1-a)}var e;(function(){const t=new ne,e=new ne,i=new ne,n=new ne,a=new Lt,o=new Lt,l=new Lt;for(let u=0,d=0;u<r.length;u+=9,d+=6){t.set(r[u+0],r[u+1],r[u+2]),e.set(r[u+3],r[u+4],r[u+5]),i.set(r[u+6],r[u+7],r[u+8]),a.set(s[d+0],s[d+1]),o.set(s[d+2],s[d+3]),l.set(s[d+4],s[d+5]),n.copy(t).add(e).add(i).divideScalar(3);const p=h(n);c(a,d+0,t,p),c(o,d+2,e,p),c(l,d+4,i,p)}})(),function(){for(let t=0;t<s.length;t+=6){const e=s[t+0],i=s[t+2],n=s[t+4],r=Math.max(e,i,n),a=Math.min(e,i,n);r>.9&&a<.1&&(e<.2&&(s[t+0]+=1),i<.2&&(s[t+2]+=1),n<.2&&(s[t+4]+=1))}}()}(),this.setAttribute("position",new Ti(r,3)),this.setAttribute("normal",new Ti(r.slice(),3)),this.setAttribute("uv",new Ti(s,2)),0===n?this.computeVertexNormals():this.normalizeNormals()}static fromJSON(t){return new Io(t.vertices,t.indices,t.radius,t.details)}}class Do extends Io{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2,n=1/i;super([-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-n,-i,0,-n,i,0,n,-i,0,n,i,-n,-i,0,-n,i,0,n,-i,0,n,i,0,-i,0,-n,i,0,-n,-i,0,n,i,0,n],[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],t,e),this.type="DodecahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Do(t.radius,t.detail)}}const No=new ne,Oo=new ne,zo=new ne,Uo=new gi;class Bo extends Di{constructor(t=null,e=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:t,thresholdAngle:e},null!==t){const i=4,n=Math.pow(10,i),r=Math.cos(vt*e),s=t.getIndex(),a=t.getAttribute("position"),o=s?s.count:a.count,l=[0,0,0],c=["a","b","c"],h=new Array(3),u={},d=[];for(let t=0;t<o;t+=3){s?(l[0]=s.getX(t),l[1]=s.getX(t+1),l[2]=s.getX(t+2)):(l[0]=t,l[1]=t+1,l[2]=t+2);const{a:e,b:i,c:o}=Uo;if(e.fromBufferAttribute(a,l[0]),i.fromBufferAttribute(a,l[1]),o.fromBufferAttribute(a,l[2]),Uo.getNormal(zo),h[0]=`${Math.round(e.x*n)},${Math.round(e.y*n)},${Math.round(e.z*n)}`,h[1]=`${Math.round(i.x*n)},${Math.round(i.y*n)},${Math.round(i.z*n)}`,h[2]=`${Math.round(o.x*n)},${Math.round(o.y*n)},${Math.round(o.z*n)}`,h[0]!==h[1]&&h[1]!==h[2]&&h[2]!==h[0])for(let t=0;t<3;t++){const e=(t+1)%3,i=h[t],n=h[e],s=Uo[c[t]],a=Uo[c[e]],o=`${i}_${n}`,p=`${n}_${i}`;p in u&&u[p]?(zo.dot(u[p].normal)<=r&&(d.push(s.x,s.y,s.z),d.push(a.x,a.y,a.z)),u[p]=null):o in u||(u[o]={index0:l[t],index1:l[e],normal:zo.clone()})}}for(const t in u)if(u[t]){const{index0:e,index1:i}=u[t];No.fromBufferAttribute(a,e),Oo.fromBufferAttribute(a,i),d.push(No.x,No.y,No.z),d.push(Oo.x,Oo.y,Oo.z)}this.setAttribute("position",new Ti(d,3))}}}class Fo extends Ao{constructor(t){super(t),this.uuid=_t(),this.type="Shape",this.holes=[]}getPointsHoles(t){const e=[];for(let i=0,n=this.holes.length;i<n;i++)e[i]=this.holes[i].getPoints(t);return e}extractPoints(t){return{shape:this.getPoints(t),holes:this.getPointsHoles(t)}}copy(t){super.copy(t),this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push(i.clone())}return this}toJSON(){const t=super.toJSON();t.uuid=this.uuid,t.holes=[];for(let e=0,i=this.holes.length;e<i;e++){const i=this.holes[e];t.holes.push(i.toJSON())}return t}fromJSON(t){super.fromJSON(t),this.uuid=t.uuid,this.holes=[];for(let e=0,i=t.holes.length;e<i;e++){const i=t.holes[e];this.holes.push((new Ao).fromJSON(i))}return this}}const ko=function(t,e,i=2){const n=e&&e.length,r=n?e[0]*i:t.length;let s=Go(t,0,r,i,!0);const a=[];if(!s||s.next===s.prev)return a;let o,l,c,h,u,d,p;if(n&&(s=function(t,e,i,n){const r=[];let 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r=t;do{null===r.z&&(r.z=Ko(r.x,r.y,e,i,n)),r.prevZ=r.prev,r.nextZ=r.next,r=r.next}while(r!==t);r.prevZ.nextZ=null,r.prevZ=null,function(t){let e,i,n,r,s,a,o,l,c=1;do{for(i=t,t=null,s=null,a=0;i;){for(a++,n=i,o=0,e=0;e<c&&(o++,n=n.nextZ,n);e++);for(l=c;o>0||l>0&&n;)0!==o&&(0===l||!n||i.z<=n.z)?(r=i,i=i.nextZ,o--):(r=n,n=n.nextZ,l--),s?s.nextZ=r:t=r,r.prevZ=s,s=r;i=n}s.nextZ=null,c*=2}while(a>1)}(r)}(t,n,r,s);let o,l,c=t;for(;t.prev!==t.next;)if(o=t.prev,l=t.next,s?jo(t,n,r,s):Wo(t))e.push(o.i/i),e.push(t.i/i),e.push(l.i/i),cl(t),t=l.next,c=l.next;else if((t=l)===c){a?1===a?Ho(t=qo(Vo(t),e,i),e,i,n,r,s,2):2===a&&Xo(t,e,i,n,r,s):Ho(Vo(t),e,i,n,r,s,1);break}}function Wo(t){const e=t.prev,i=t,n=t.next;if(el(e,i,n)>=0)return!1;let r=t.next.next;for(;r!==t.prev;){if(Qo(e.x,e.y,i.x,i.y,n.x,n.y,r.x,r.y)&&el(r.prev,r,r.next)>=0)return!1;r=r.next}return!0}function jo(t,e,i,n){const r=t.prev,s=t,a=t.next;if(el(r,s,a)>=0)return!1;const 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t=a.next.next;for(;t!==a.prev;){if(a.i!==t.i&&tl(a,t)){let o=ol(a,t);return a=Vo(a,a.next),o=Vo(o,o.next),Ho(a,e,i,n,r,s),void Ho(o,e,i,n,r,s)}t=t.next}a=a.next}while(a!==t)}function Yo(t,e){return t.x-e.x}function Zo(t,e){if(e=function(t,e){let i=e;const n=t.x,r=t.y;let s,a=-1/0;do{if(r<=i.y&&r>=i.next.y&&i.next.y!==i.y){const t=i.x+(r-i.y)*(i.next.x-i.x)/(i.next.y-i.y);if(t<=n&&t>a){if(a=t,t===n){if(r===i.y)return i;if(r===i.next.y)return i.next}s=i.x<i.next.x?i:i.next}}i=i.next}while(i!==e);if(!s)return null;if(n===a)return s;const o=s,l=s.x,c=s.y;let h,u=1/0;i=s;do{n>=i.x&&i.x>=l&&n!==i.x&&Qo(r<c?n:a,r,l,c,r<c?a:n,r,i.x,i.y)&&(h=Math.abs(r-i.y)/(n-i.x),al(i,t)&&(h<u||h===u&&(i.x>s.x||i.x===s.x&&Jo(s,i)))&&(s=i,u=h)),i=i.next}while(i!==o);return s}(t,e),e){const i=ol(e,t);Vo(e,e.next),Vo(i,i.next)}}function Jo(t,e){return el(t.prev,t,e.prev)<0&&el(e.next,t,t.next)<0}function Ko(t,e,i,n,r){return(t=1431655765&((t=858993459&((t=252645135&((t=16711935&((t=32767*(t-i)*r)|t<<8))|t<<4))|t<<2))|t<<1))|(e=1431655765&((e=858993459&((e=252645135&((e=16711935&((e=32767*(e-n)*r)|e<<8))|e<<4))|e<<2))|e<<1))<<1}function $o(t){let e=t,i=t;do{(e.x<i.x||e.x===i.x&&e.y<i.y)&&(i=e),e=e.next}while(e!==t);return i}function Qo(t,e,i,n,r,s,a,o){return(r-a)*(e-o)-(t-a)*(s-o)>=0&&(t-a)*(n-o)-(i-a)*(e-o)>=0&&(i-a)*(s-o)-(r-a)*(n-o)>=0}function tl(t,e){return t.next.i!==e.i&&t.prev.i!==e.i&&!function(t,e){let i=t;do{if(i.i!==t.i&&i.next.i!==t.i&&i.i!==e.i&&i.next.i!==e.i&&nl(i,i.next,t,e))return!0;i=i.next}while(i!==t);return!1}(t,e)&&(al(t,e)&&al(e,t)&&function(t,e){let i=t,n=!1;const r=(t.x+e.x)/2,s=(t.y+e.y)/2;do{i.y>s!=i.next.y>s&&i.next.y!==i.y&&r<(i.next.x-i.x)*(s-i.y)/(i.next.y-i.y)+i.x&&(n=!n),i=i.next}while(i!==t);return n}(t,e)&&(el(t.prev,t,e.prev)||el(t,e.prev,e))||il(t,e)&&el(t.prev,t,t.next)>0&&el(e.prev,e,e.next)>0)}function el(t,e,i){return(e.y-t.y)*(i.x-e.x)-(e.x-t.x)*(i.y-e.y)}function il(t,e){return t.x===e.x&&t.y===e.y}function nl(t,e,i,n){const r=sl(el(t,e,i)),s=sl(el(t,e,n)),a=sl(el(i,n,t)),o=sl(el(i,n,e));return r!==s&&a!==o||(!(0!==r||!rl(t,i,e))||(!(0!==s||!rl(t,n,e))||(!(0!==a||!rl(i,t,n))||!(0!==o||!rl(i,e,n)))))}function rl(t,e,i){return e.x<=Math.max(t.x,i.x)&&e.x>=Math.min(t.x,i.x)&&e.y<=Math.max(t.y,i.y)&&e.y>=Math.min(t.y,i.y)}function sl(t){return t>0?1:t<0?-1:0}function al(t,e){return el(t.prev,t,t.next)<0?el(t,e,t.next)>=0&&el(t,t.prev,e)>=0:el(t,e,t.prev)<0||el(t,t.next,e)<0}function ol(t,e){const i=new hl(t.i,t.x,t.y),n=new hl(e.i,e.x,e.y),r=t.next,s=e.prev;return t.next=e,e.prev=t,i.next=r,r.prev=i,n.next=i,i.prev=n,s.next=n,n.prev=s,n}function ll(t,e,i,n){const r=new hl(t,e,i);return n?(r.next=n.next,r.prev=n,n.next.prev=r,n.next=r):(r.prev=r,r.next=r),r}function cl(t){t.next.prev=t.prev,t.prev.next=t.next,t.prevZ&&(t.prevZ.nextZ=t.nextZ),t.nextZ&&(t.nextZ.prevZ=t.prevZ)}function hl(t,e,i){this.i=t,this.x=e,this.y=i,this.prev=null,this.next=null,this.z=null,this.prevZ=null,this.nextZ=null,this.steiner=!1}class ul{static area(t){const e=t.length;let i=0;for(let n=e-1,r=0;r<e;n=r++)i+=t[n].x*t[r].y-t[r].x*t[n].y;return.5*i}static isClockWise(t){return ul.area(t)<0}static triangulateShape(t,e){const i=[],n=[],r=[];dl(t),pl(i,t);let s=t.length;e.forEach(dl);for(let t=0;t<e.length;t++)n.push(s),s+=e[t].length,pl(i,e[t]);const a=ko(i,n);for(let t=0;t<a.length;t+=3)r.push(a.slice(t,t+3));return r}}function dl(t){const e=t.length;e>2&&t[e-1].equals(t[0])&&t.pop()}function pl(t,e){for(let i=0;i<e.length;i++)t.push(e[i].x),t.push(e[i].y)}class ml extends Di{constructor(t=new Fo([new Lt(.5,.5),new Lt(-.5,.5),new Lt(-.5,-.5),new Lt(.5,-.5)]),e={}){super(),this.type="ExtrudeGeometry",this.parameters={shapes:t,options:e},t=Array.isArray(t)?t:[t];const i=this,n=[],r=[];for(let e=0,i=t.length;e<i;e++){s(t[e])}function s(t){const s=[],a=void 0!==e.curveSegments?e.curveSegments:12,o=void 0!==e.steps?e.steps:1,l=void 0!==e.depth?e.depth:1;let c=void 0===e.bevelEnabled||e.bevelEnabled,h=void 0!==e.bevelThickness?e.bevelThickness:.2,u=void 0!==e.bevelSize?e.bevelSize:h-.1,d=void 0!==e.bevelOffset?e.bevelOffset:0,p=void 0!==e.bevelSegments?e.bevelSegments:3;const m=e.extrudePath,f=void 0!==e.UVGenerator?e.UVGenerator:fl;let g,v,x,_,y,M=!1;m&&(g=m.getSpacedPoints(o),M=!0,c=!1,v=m.computeFrenetFrames(o,!1),x=new ne,_=new ne,y=new ne),c||(p=0,h=0,u=0,d=0);const b=t.extractPoints(a);let S=b.shape;const w=b.holes;if(!ul.isClockWise(S)){S=S.reverse();for(let t=0,e=w.length;t<e;t++){const e=w[t];ul.isClockWise(e)&&(w[t]=e.reverse())}}const T=ul.triangulateShape(S,w),A=S;for(let t=0,e=w.length;t<e;t++){const e=w[t];S=S.concat(e)}function E(t,e,i){return e||console.error("THREE.ExtrudeGeometry: vec does not exist"),e.clone().multiplyScalar(i).add(t)}const C=S.length,L=T.length;function R(t,e,i){let n,r,s;const a=t.x-e.x,o=t.y-e.y,l=i.x-t.x,c=i.y-t.y,h=a*a+o*o,u=a*c-o*l;if(Math.abs(u)>Number.EPSILON){const u=Math.sqrt(h),d=Math.sqrt(l*l+c*c),p=e.x-o/u,m=e.y+a/u,f=((i.x-c/d-p)*c-(i.y+l/d-m)*l)/(a*c-o*l);n=p+a*f-t.x,r=m+o*f-t.y;const g=n*n+r*r;if(g<=2)return new Lt(n,r);s=Math.sqrt(g/2)}else{let t=!1;a>Number.EPSILON?l>Number.EPSILON&&(t=!0):a<-Number.EPSILON?l<-Number.EPSILON&&(t=!0):Math.sign(o)===Math.sign(c)&&(t=!0),t?(n=-o,r=a,s=Math.sqrt(h)):(n=a,r=o,s=Math.sqrt(h/2))}return new Lt(n/s,r/s)}const P=[];for(let t=0,e=A.length,i=e-1,n=t+1;t<e;t++,i++,n++)i===e&&(i=0),n===e&&(n=0),P[t]=R(A[t],A[i],A[n]);const I=[];let D,N=P.concat();for(let t=0,e=w.length;t<e;t++){const e=w[t];D=[];for(let t=0,i=e.length,n=i-1,r=t+1;t<i;t++,n++,r++)n===i&&(n=0),r===i&&(r=0),D[t]=R(e[t],e[n],e[r]);I.push(D),N=N.concat(D)}for(let t=0;t<p;t++){const e=t/p,i=h*Math.cos(e*Math.PI/2),n=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=A.length;t<e;t++){const e=E(A[t],P[t],n);U(e.x,e.y,-i)}for(let t=0,e=w.length;t<e;t++){const e=w[t];D=I[t];for(let t=0,r=e.length;t<r;t++){const r=E(e[t],D[t],n);U(r.x,r.y,-i)}}}const O=u+d;for(let t=0;t<C;t++){const e=c?E(S[t],N[t],O):S[t];M?(_.copy(v.normals[0]).multiplyScalar(e.x),x.copy(v.binormals[0]).multiplyScalar(e.y),y.copy(g[0]).add(_).add(x),U(y.x,y.y,y.z)):U(e.x,e.y,0)}for(let t=1;t<=o;t++)for(let e=0;e<C;e++){const i=c?E(S[e],N[e],O):S[e];M?(_.copy(v.normals[t]).multiplyScalar(i.x),x.copy(v.binormals[t]).multiplyScalar(i.y),y.copy(g[t]).add(_).add(x),U(y.x,y.y,y.z)):U(i.x,i.y,l/o*t)}for(let t=p-1;t>=0;t--){const e=t/p,i=h*Math.cos(e*Math.PI/2),n=u*Math.sin(e*Math.PI/2)+d;for(let t=0,e=A.length;t<e;t++){const e=E(A[t],P[t],n);U(e.x,e.y,l+i)}for(let t=0,e=w.length;t<e;t++){const e=w[t];D=I[t];for(let t=0,r=e.length;t<r;t++){const r=E(e[t],D[t],n);M?U(r.x,r.y+g[o-1].y,g[o-1].x+i):U(r.x,r.y,l+i)}}}function z(t,e){let i=t.length;for(;--i>=0;){const n=i;let r=i-1;r<0&&(r=t.length-1);for(let t=0,i=o+2*p;t<i;t++){const i=C*t,s=C*(t+1);F(e+n+i,e+r+i,e+r+s,e+n+s)}}}function U(t,e,i){s.push(t),s.push(e),s.push(i)}function B(t,e,r){k(t),k(e),k(r);const s=n.length/3,a=f.generateTopUV(i,n,s-3,s-2,s-1);G(a[0]),G(a[1]),G(a[2])}function F(t,e,r,s){k(t),k(e),k(s),k(e),k(r),k(s);const a=n.length/3,o=f.generateSideWallUV(i,n,a-6,a-3,a-2,a-1);G(o[0]),G(o[1]),G(o[3]),G(o[1]),G(o[2]),G(o[3])}function k(t){n.push(s[3*t+0]),n.push(s[3*t+1]),n.push(s[3*t+2])}function G(t){r.push(t.x),r.push(t.y)}!function(){const t=n.length/3;if(c){let t=0,e=C*t;for(let t=0;t<L;t++){const i=T[t];B(i[2]+e,i[1]+e,i[0]+e)}t=o+2*p,e=C*t;for(let t=0;t<L;t++){const i=T[t];B(i[0]+e,i[1]+e,i[2]+e)}}else{for(let t=0;t<L;t++){const e=T[t];B(e[2],e[1],e[0])}for(let t=0;t<L;t++){const e=T[t];B(e[0]+C*o,e[1]+C*o,e[2]+C*o)}}i.addGroup(t,n.length/3-t,0)}(),function(){const t=n.length/3;let e=0;z(A,e),e+=A.length;for(let t=0,i=w.length;t<i;t++){const i=w[t];z(i,e),e+=i.length}i.addGroup(t,n.length/3-t,1)}()}this.setAttribute("position",new Ti(n,3)),this.setAttribute("uv",new Ti(r,2)),this.computeVertexNormals()}toJSON(){const t=super.toJSON();return function(t,e,i){if(i.shapes=[],Array.isArray(t))for(let e=0,n=t.length;e<n;e++){const n=t[e];i.shapes.push(n.uuid)}else i.shapes.push(t.uuid);i.options=Object.assign({},e),void 0!==e.extrudePath&&(i.options.extrudePath=e.extrudePath.toJSON());return i}(this.parameters.shapes,this.parameters.options,t)}static fromJSON(t,e){const i=[];for(let n=0,r=t.shapes.length;n<r;n++){const r=e[t.shapes[n]];i.push(r)}const n=t.options.extrudePath;return void 0!==n&&(t.options.extrudePath=(new wo[n.type]).fromJSON(n)),new ml(i,t.options)}}const fl={generateTopUV:function(t,e,i,n,r){const s=e[3*i],a=e[3*i+1],o=e[3*n],l=e[3*n+1],c=e[3*r],h=e[3*r+1];return[new Lt(s,a),new Lt(o,l),new Lt(c,h)]},generateSideWallUV:function(t,e,i,n,r,s){const a=e[3*i],o=e[3*i+1],l=e[3*i+2],c=e[3*n],h=e[3*n+1],u=e[3*n+2],d=e[3*r],p=e[3*r+1],m=e[3*r+2],f=e[3*s],g=e[3*s+1],v=e[3*s+2];return Math.abs(o-h)<Math.abs(a-c)?[new Lt(a,1-l),new Lt(c,1-u),new Lt(d,1-m),new Lt(f,1-v)]:[new Lt(o,1-l),new Lt(h,1-u),new Lt(p,1-m),new Lt(g,1-v)]}};class gl extends Io{constructor(t=1,e=0){const i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],t,e),this.type="IcosahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new gl(t.radius,t.detail)}}class vl extends Io{constructor(t=1,e=0){super([1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],t,e),this.type="OctahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new vl(t.radius,t.detail)}}class xl extends Di{constructor(t=.5,e=1,i=8,n=1,r=0,s=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:t,outerRadius:e,thetaSegments:i,phiSegments:n,thetaStart:r,thetaLength:s},i=Math.max(3,i);const a=[],o=[],l=[],c=[];let h=t;const u=(e-t)/(n=Math.max(1,n)),d=new ne,p=new Lt;for(let t=0;t<=n;t++){for(let t=0;t<=i;t++){const n=r+t/i*s;d.x=h*Math.cos(n),d.y=h*Math.sin(n),o.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/e+1)/2,p.y=(d.y/e+1)/2,c.push(p.x,p.y)}h+=u}for(let t=0;t<n;t++){const e=t*(i+1);for(let t=0;t<i;t++){const n=t+e,r=n,s=n+i+1,o=n+i+2,l=n+1;a.push(r,s,l),a.push(s,o,l)}}this.setIndex(a),this.setAttribute("position",new Ti(o,3)),this.setAttribute("normal",new Ti(l,3)),this.setAttribute("uv",new Ti(c,2))}static fromJSON(t){return new xl(t.innerRadius,t.outerRadius,t.thetaSegments,t.phiSegments,t.thetaStart,t.thetaLength)}}class _l extends Di{constructor(t=new Fo([new Lt(0,.5),new Lt(-.5,-.5),new Lt(.5,-.5)]),e=12){super(),this.type="ShapeGeometry",this.parameters={shapes:t,curveSegments:e};const i=[],n=[],r=[],s=[];let a=0,o=0;if(!1===Array.isArray(t))l(t);else for(let e=0;e<t.length;e++)l(t[e]),this.addGroup(a,o,e),a+=o,o=0;function l(t){const a=n.length/3,l=t.extractPoints(e);let c=l.shape;const h=l.holes;!1===ul.isClockWise(c)&&(c=c.reverse());for(let t=0,e=h.length;t<e;t++){const e=h[t];!0===ul.isClockWise(e)&&(h[t]=e.reverse())}const u=ul.triangulateShape(c,h);for(let t=0,e=h.length;t<e;t++){const e=h[t];c=c.concat(e)}for(let t=0,e=c.length;t<e;t++){const e=c[t];n.push(e.x,e.y,0),r.push(0,0,1),s.push(e.x,e.y)}for(let t=0,e=u.length;t<e;t++){const e=u[t],n=e[0]+a,r=e[1]+a,s=e[2]+a;i.push(n,r,s),o+=3}}this.setIndex(i),this.setAttribute("position",new Ti(n,3)),this.setAttribute("normal",new Ti(r,3)),this.setAttribute("uv",new Ti(s,2))}toJSON(){const t=super.toJSON();return function(t,e){if(e.shapes=[],Array.isArray(t))for(let i=0,n=t.length;i<n;i++){const n=t[i];e.shapes.push(n.uuid)}else e.shapes.push(t.uuid);return e}(this.parameters.shapes,t)}static fromJSON(t,e){const i=[];for(let n=0,r=t.shapes.length;n<r;n++){const r=e[t.shapes[n]];i.push(r)}return new _l(i,t.curveSegments)}}class yl extends Di{constructor(t=1,e=32,i=16,n=0,r=2*Math.PI,s=0,a=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:t,widthSegments:e,heightSegments:i,phiStart:n,phiLength:r,thetaStart:s,thetaLength:a},e=Math.max(3,Math.floor(e)),i=Math.max(2,Math.floor(i));const o=Math.min(s+a,Math.PI);let l=0;const c=[],h=new ne,u=new ne,d=[],p=[],m=[],f=[];for(let d=0;d<=i;d++){const g=[],v=d/i;let x=0;0==d&&0==s?x=.5/e:d==i&&o==Math.PI&&(x=-.5/e);for(let i=0;i<=e;i++){const o=i/e;h.x=-t*Math.cos(n+o*r)*Math.sin(s+v*a),h.y=t*Math.cos(s+v*a),h.z=t*Math.sin(n+o*r)*Math.sin(s+v*a),p.push(h.x,h.y,h.z),u.copy(h).normalize(),m.push(u.x,u.y,u.z),f.push(o+x,1-v),g.push(l++)}c.push(g)}for(let t=0;t<i;t++)for(let n=0;n<e;n++){const e=c[t][n+1],r=c[t][n],a=c[t+1][n],l=c[t+1][n+1];(0!==t||s>0)&&d.push(e,r,l),(t!==i-1||o<Math.PI)&&d.push(r,a,l)}this.setIndex(d),this.setAttribute("position",new Ti(p,3)),this.setAttribute("normal",new Ti(m,3)),this.setAttribute("uv",new Ti(f,2))}static fromJSON(t){return new yl(t.radius,t.widthSegments,t.heightSegments,t.phiStart,t.phiLength,t.thetaStart,t.thetaLength)}}class Ml extends Io{constructor(t=1,e=0){super([1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],t,e),this.type="TetrahedronGeometry",this.parameters={radius:t,detail:e}}static fromJSON(t){return new Ml(t.radius,t.detail)}}class bl extends Di{constructor(t=1,e=.4,i=8,n=6,r=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:t,tube:e,radialSegments:i,tubularSegments:n,arc:r},i=Math.floor(i),n=Math.floor(n);const s=[],a=[],o=[],l=[],c=new ne,h=new ne,u=new ne;for(let s=0;s<=i;s++)for(let d=0;d<=n;d++){const p=d/n*r,m=s/i*Math.PI*2;h.x=(t+e*Math.cos(m))*Math.cos(p),h.y=(t+e*Math.cos(m))*Math.sin(p),h.z=e*Math.sin(m),a.push(h.x,h.y,h.z),c.x=t*Math.cos(p),c.y=t*Math.sin(p),u.subVectors(h,c).normalize(),o.push(u.x,u.y,u.z),l.push(d/n),l.push(s/i)}for(let t=1;t<=i;t++)for(let e=1;e<=n;e++){const i=(n+1)*t+e-1,r=(n+1)*(t-1)+e-1,a=(n+1)*(t-1)+e,o=(n+1)*t+e;s.push(i,r,o),s.push(r,a,o)}this.setIndex(s),this.setAttribute("position",new Ti(a,3)),this.setAttribute("normal",new Ti(o,3)),this.setAttribute("uv",new Ti(l,2))}static fromJSON(t){return new bl(t.radius,t.tube,t.radialSegments,t.tubularSegments,t.arc)}}class Sl extends Di{constructor(t=1,e=.4,i=64,n=8,r=2,s=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:t,tube:e,tubularSegments:i,radialSegments:n,p:r,q:s},i=Math.floor(i),n=Math.floor(n);const a=[],o=[],l=[],c=[],h=new ne,u=new ne,d=new ne,p=new ne,m=new ne,f=new ne,g=new ne;for(let a=0;a<=i;++a){const x=a/i*r*Math.PI*2;v(x,r,s,t,d),v(x+.01,r,s,t,p),f.subVectors(p,d),g.addVectors(p,d),m.crossVectors(f,g),g.crossVectors(m,f),m.normalize(),g.normalize();for(let t=0;t<=n;++t){const r=t/n*Math.PI*2,s=-e*Math.cos(r),p=e*Math.sin(r);h.x=d.x+(s*g.x+p*m.x),h.y=d.y+(s*g.y+p*m.y),h.z=d.z+(s*g.z+p*m.z),o.push(h.x,h.y,h.z),u.subVectors(h,d).normalize(),l.push(u.x,u.y,u.z),c.push(a/i),c.push(t/n)}}for(let t=1;t<=i;t++)for(let e=1;e<=n;e++){const i=(n+1)*(t-1)+(e-1),r=(n+1)*t+(e-1),s=(n+1)*t+e,o=(n+1)*(t-1)+e;a.push(i,r,o),a.push(r,s,o)}function v(t,e,i,n,r){const s=Math.cos(t),a=Math.sin(t),o=i/e*t,l=Math.cos(o);r.x=n*(2+l)*.5*s,r.y=n*(2+l)*a*.5,r.z=n*Math.sin(o)*.5}this.setIndex(a),this.setAttribute("position",new Ti(o,3)),this.setAttribute("normal",new Ti(l,3)),this.setAttribute("uv",new Ti(c,2))}static fromJSON(t){return new Sl(t.radius,t.tube,t.tubularSegments,t.radialSegments,t.p,t.q)}}class wl extends Di{constructor(t=new bo(new ne(-1,-1,0),new ne(-1,1,0),new ne(1,1,0)),e=64,i=1,n=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:t,tubularSegments:e,radius:i,radialSegments:n,closed:r};const s=t.computeFrenetFrames(e,r);this.tangents=s.tangents,this.normals=s.normals,this.binormals=s.binormals;const a=new ne,o=new ne,l=new Lt;let c=new ne;const h=[],u=[],d=[],p=[];function m(r){c=t.getPointAt(r/e,c);const l=s.normals[r],d=s.binormals[r];for(let t=0;t<=n;t++){const e=t/n*Math.PI*2,r=Math.sin(e),s=-Math.cos(e);o.x=s*l.x+r*d.x,o.y=s*l.y+r*d.y,o.z=s*l.z+r*d.z,o.normalize(),u.push(o.x,o.y,o.z),a.x=c.x+i*o.x,a.y=c.y+i*o.y,a.z=c.z+i*o.z,h.push(a.x,a.y,a.z)}}!function(){for(let t=0;t<e;t++)m(t);m(!1===r?e:0),function(){for(let t=0;t<=e;t++)for(let i=0;i<=n;i++)l.x=t/e,l.y=i/n,d.push(l.x,l.y)}(),function(){for(let t=1;t<=e;t++)for(let e=1;e<=n;e++){const i=(n+1)*(t-1)+(e-1),r=(n+1)*t+(e-1),s=(n+1)*t+e,a=(n+1)*(t-1)+e;p.push(i,r,a),p.push(r,s,a)}}()}(),this.setIndex(p),this.setAttribute("position",new Ti(h,3)),this.setAttribute("normal",new Ti(u,3)),this.setAttribute("uv",new Ti(d,2))}toJSON(){const t=super.toJSON();return t.path=this.parameters.path.toJSON(),t}static fromJSON(t){return new wl((new wo[t.path.type]).fromJSON(t.path),t.tubularSegments,t.radius,t.radialSegments,t.closed)}}class Tl extends Di{constructor(t=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:t},null!==t){const e=[],i=new Set,n=new ne,r=new ne;if(null!==t.index){const s=t.attributes.position,a=t.index;let o=t.groups;0===o.length&&(o=[{start:0,count:a.count,materialIndex:0}]);for(let t=0,l=o.length;t<l;++t){const l=o[t],c=l.start;for(let t=c,o=c+l.count;t<o;t+=3)for(let o=0;o<3;o++){const l=a.getX(t+o),c=a.getX(t+(o+1)%3);n.fromBufferAttribute(s,l),r.fromBufferAttribute(s,c),!0===Al(n,r,i)&&(e.push(n.x,n.y,n.z),e.push(r.x,r.y,r.z))}}}else{const s=t.attributes.position;for(let t=0,a=s.count/3;t<a;t++)for(let a=0;a<3;a++){const o=3*t+a,l=3*t+(a+1)%3;n.fromBufferAttribute(s,o),r.fromBufferAttribute(s,l),!0===Al(n,r,i)&&(e.push(n.x,n.y,n.z),e.push(r.x,r.y,r.z))}}this.setAttribute("position",new Ti(e,3))}}}function Al(t,e,i){const n=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`;return!0!==i.has(n)&&!0!==i.has(r)&&(i.add(n),i.add(r),!0)}var El=Object.freeze({__proto__:null,BoxGeometry:Qi,CapsuleGeometry:Co,CircleGeometry:Lo,ConeGeometry:Po,CylinderGeometry:Ro,DodecahedronGeometry:Do,EdgesGeometry:Bo,ExtrudeGeometry:ml,IcosahedronGeometry:gl,LatheGeometry:Eo,OctahedronGeometry:vl,PlaneGeometry:yn,PolyhedronGeometry:Io,RingGeometry:xl,ShapeGeometry:_l,SphereGeometry:yl,TetrahedronGeometry:Ml,TorusGeometry:bl,TorusKnotGeometry:Sl,TubeGeometry:wl,WireframeGeometry:Tl});class Cl extends xi{constructor(t){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new jt(0),this.transparent=!0,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.fog=t.fog,this}}class Ll extends rn{constructor(t){super(t),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Rl extends xi{constructor(t){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new jt(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new jt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={STANDARD:""},this.color.copy(t.color),this.roughness=t.roughness,this.metalness=t.metalness,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.roughnessMap=t.roughnessMap,this.metalnessMap=t.metalnessMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.envMapIntensity=t.envMapIntensity,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Pl extends Rl{constructor(t){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new Lt(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return yt(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new jt(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=0,this.attenuationColor=new jt(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new jt(1,1,1),this.specularColorMap=null,this._sheen=0,this._clearcoat=0,this._iridescence=0,this._transmission=0,this.setValues(t)}get sheen(){return this._sheen}set sheen(t){this._sheen>0!=t>0&&this.version++,this._sheen=t}get clearcoat(){return this._clearcoat}set clearcoat(t){this._clearcoat>0!=t>0&&this.version++,this._clearcoat=t}get iridescence(){return this._iridescence}set iridescence(t){this._iridescence>0!=t>0&&this.version++,this._iridescence=t}get transmission(){return this._transmission}set transmission(t){this._transmission>0!=t>0&&this.version++,this._transmission=t}copy(t){return super.copy(t),this.defines={STANDARD:"",PHYSICAL:""},this.clearcoat=t.clearcoat,this.clearcoatMap=t.clearcoatMap,this.clearcoatRoughness=t.clearcoatRoughness,this.clearcoatRoughnessMap=t.clearcoatRoughnessMap,this.clearcoatNormalMap=t.clearcoatNormalMap,this.clearcoatNormalScale.copy(t.clearcoatNormalScale),this.ior=t.ior,this.iridescence=t.iridescence,this.iridescenceMap=t.iridescenceMap,this.iridescenceIOR=t.iridescenceIOR,this.iridescenceThicknessRange=[...t.iridescenceThicknessRange],this.iridescenceThicknessMap=t.iridescenceThicknessMap,this.sheen=t.sheen,this.sheenColor.copy(t.sheenColor),this.sheenColorMap=t.sheenColorMap,this.sheenRoughness=t.sheenRoughness,this.sheenRoughnessMap=t.sheenRoughnessMap,this.transmission=t.transmission,this.transmissionMap=t.transmissionMap,this.thickness=t.thickness,this.thicknessMap=t.thicknessMap,this.attenuationDistance=t.attenuationDistance,this.attenuationColor.copy(t.attenuationColor),this.specularIntensity=t.specularIntensity,this.specularIntensityMap=t.specularIntensityMap,this.specularColor.copy(t.specularColor),this.specularColorMap=t.specularColorMap,this}}class Il extends xi{constructor(t){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new jt(16777215),this.specular=new jt(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new jt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.specular.copy(t.specular),this.shininess=t.shininess,this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Dl extends xi{constructor(t){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new jt(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new jt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.gradientMap=t.gradientMap,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.fog=t.fog,this}}class Nl extends xi{constructor(t){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(t)}copy(t){return super.copy(t),this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.flatShading=t.flatShading,this}}class Ol extends xi{constructor(t){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new jt(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new jt(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.color.copy(t.color),this.map=t.map,this.lightMap=t.lightMap,this.lightMapIntensity=t.lightMapIntensity,this.aoMap=t.aoMap,this.aoMapIntensity=t.aoMapIntensity,this.emissive.copy(t.emissive),this.emissiveMap=t.emissiveMap,this.emissiveIntensity=t.emissiveIntensity,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.specularMap=t.specularMap,this.alphaMap=t.alphaMap,this.envMap=t.envMap,this.combine=t.combine,this.reflectivity=t.reflectivity,this.refractionRatio=t.refractionRatio,this.wireframe=t.wireframe,this.wireframeLinewidth=t.wireframeLinewidth,this.wireframeLinecap=t.wireframeLinecap,this.wireframeLinejoin=t.wireframeLinejoin,this.flatShading=t.flatShading,this.fog=t.fog,this}}class zl extends xi{constructor(t){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new jt(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=0,this.normalScale=new Lt(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(t)}copy(t){return super.copy(t),this.defines={MATCAP:""},this.color.copy(t.color),this.matcap=t.matcap,this.map=t.map,this.bumpMap=t.bumpMap,this.bumpScale=t.bumpScale,this.normalMap=t.normalMap,this.normalMapType=t.normalMapType,this.normalScale.copy(t.normalScale),this.displacementMap=t.displacementMap,this.displacementScale=t.displacementScale,this.displacementBias=t.displacementBias,this.alphaMap=t.alphaMap,this.flatShading=t.flatShading,this.fog=t.fog,this}}class Ul extends Fa{constructor(t){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(t)}copy(t){return super.copy(t),this.scale=t.scale,this.dashSize=t.dashSize,this.gapSize=t.gapSize,this}}function Bl(t,e,i){return kl(t)?new t.constructor(t.subarray(e,void 0!==i?i:t.length)):t.slice(e,i)}function Fl(t,e,i){return!t||!i&&t.constructor===e?t:"number"==typeof e.BYTES_PER_ELEMENT?new e(t):Array.prototype.slice.call(t)}function kl(t){return ArrayBuffer.isView(t)&&!(t instanceof DataView)}function Gl(t){const e=t.length,i=new Array(e);for(let t=0;t!==e;++t)i[t]=t;return i.sort((function(e,i){return t[e]-t[i]})),i}function Vl(t,e,i){const n=t.length,r=new t.constructor(n);for(let s=0,a=0;a!==n;++s){const n=i[s]*e;for(let i=0;i!==e;++i)r[a++]=t[n+i]}return r}function Hl(t,e,i,n){let r=1,s=t[0];for(;void 0!==s&&void 0===s[n];)s=t[r++];if(void 0===s)return;let a=s[n];if(void 0!==a)if(Array.isArray(a))do{a=s[n],void 0!==a&&(e.push(s.time),i.push.apply(i,a)),s=t[r++]}while(void 0!==s);else if(void 0!==a.toArray)do{a=s[n],void 0!==a&&(e.push(s.time),a.toArray(i,i.length)),s=t[r++]}while(void 0!==s);else do{a=s[n],void 0!==a&&(e.push(s.time),i.push(a)),s=t[r++]}while(void 0!==s)}var Wl=Object.freeze({__proto__:null,arraySlice:Bl,convertArray:Fl,isTypedArray:kl,getKeyframeOrder:Gl,sortedArray:Vl,flattenJSON:Hl,subclip:function(t,e,i,n,r=30){const s=t.clone();s.name=e;const a=[];for(let t=0;t<s.tracks.length;++t){const e=s.tracks[t],o=e.getValueSize(),l=[],c=[];for(let t=0;t<e.times.length;++t){const s=e.times[t]*r;if(!(s<i||s>=n)){l.push(e.times[t]);for(let i=0;i<o;++i)c.push(e.values[t*o+i])}}0!==l.length&&(e.times=Fl(l,e.times.constructor),e.values=Fl(c,e.values.constructor),a.push(e))}s.tracks=a;let o=1/0;for(let t=0;t<s.tracks.length;++t)o>s.tracks[t].times[0]&&(o=s.tracks[t].times[0]);for(let t=0;t<s.tracks.length;++t)s.tracks[t].shift(-1*o);return s.resetDuration(),s},makeClipAdditive:function(t,e=0,i=t,n=30){n<=0&&(n=30);const r=i.tracks.length,s=e/n;for(let e=0;e<r;++e){const n=i.tracks[e],r=n.ValueTypeName;if("bool"===r||"string"===r)continue;const a=t.tracks.find((function(t){return t.name===n.name&&t.ValueTypeName===r}));if(void 0===a)continue;let o=0;const l=n.getValueSize();n.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(o=l/3);let c=0;const h=a.getValueSize();a.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(c=h/3);const u=n.times.length-1;let d;if(s<=n.times[0]){const t=o,e=l-o;d=Bl(n.values,t,e)}else if(s>=n.times[u]){const t=u*l+o,e=t+l-o;d=Bl(n.values,t,e)}else{const t=n.createInterpolant(),e=o,i=l-o;t.evaluate(s),d=Bl(t.resultBuffer,e,i)}if("quaternion"===r){(new ie).fromArray(d).normalize().conjugate().toArray(d)}const p=a.times.length;for(let t=0;t<p;++t){const e=t*h+c;if("quaternion"===r)ie.multiplyQuaternionsFlat(a.values,e,d,0,a.values,e);else{const t=h-2*c;for(let i=0;i<t;++i)a.values[e+i]-=d[i]}}}return t.blendMode=st,t}});class jl{constructor(t,e,i,n){this.parameterPositions=t,this._cachedIndex=0,this.resultBuffer=void 0!==n?n:new e.constructor(i),this.sampleValues=e,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(t){const e=this.parameterPositions;let i=this._cachedIndex,n=e[i],r=e[i-1];t:{e:{let s;i:{n:if(!(t<n)){for(let s=i+2;;){if(void 0===n){if(t<r)break n;return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===s)break;if(r=n,n=e[++i],t<n)break e}s=e.length;break i}if(t>=r)break t;{const a=e[1];t<a&&(i=2,r=a);for(let s=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===s)break;if(n=r,r=e[--i-1],t>=r)break e}s=i,i=0}}for(;i<s;){const n=i+s>>>1;t<e[n]?s=n:i=n+1}if(n=e[i],r=e[i-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===n)return i=e.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,n)}return this.interpolate_(i,r,t,n)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(t){const e=this.resultBuffer,i=this.sampleValues,n=this.valueSize,r=t*n;for(let t=0;t!==n;++t)e[t]=i[r+t];return e}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class ql extends jl{constructor(t,e,i,n){super(t,e,i,n),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:et,endingEnd:et}}intervalChanged_(t,e,i){const n=this.parameterPositions;let r=t-2,s=t+1,a=n[r],o=n[s];if(void 0===a)switch(this.getSettings_().endingStart){case it:r=t,a=2*e-i;break;case nt:r=n.length-2,a=e+n[r]-n[r+1];break;default:r=t,a=i}if(void 0===o)switch(this.getSettings_().endingEnd){case it:s=t,o=2*i-e;break;case nt:s=1,o=i+n[1]-n[0];break;default:s=t-1,o=e}const l=.5*(i-e),c=this.valueSize;this._weightPrev=l/(e-a),this._weightNext=l/(o-i),this._offsetPrev=r*c,this._offsetNext=s*c}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(i-e)/(n-e),m=p*p,f=m*p,g=-u*f+2*u*m-u*p,v=(1+u)*f+(-1.5-2*u)*m+(-.5+u)*p+1,x=(-1-d)*f+(1.5+d)*m+.5*p,_=d*f-d*m;for(let t=0;t!==a;++t)r[t]=g*s[c+t]+v*s[l+t]+x*s[o+t]+_*s[h+t];return r}}class Xl extends jl{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=t*a,l=o-a,c=(i-e)/(n-e),h=1-c;for(let t=0;t!==a;++t)r[t]=s[l+t]*h+s[o+t]*c;return r}}class Yl extends jl{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t){return this.copySampleValue_(t-1)}}class Zl{constructor(t,e,i,n){if(void 0===t)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===e||0===e.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+t);this.name=t,this.times=Fl(e,this.TimeBufferType),this.values=Fl(i,this.ValueBufferType),this.setInterpolation(n||this.DefaultInterpolation)}static toJSON(t){const e=t.constructor;let i;if(e.toJSON!==this.toJSON)i=e.toJSON(t);else{i={name:t.name,times:Fl(t.times,Array),values:Fl(t.values,Array)};const e=t.getInterpolation();e!==t.DefaultInterpolation&&(i.interpolation=e)}return i.type=t.ValueTypeName,i}InterpolantFactoryMethodDiscrete(t){return new Yl(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodLinear(t){return new Xl(this.times,this.values,this.getValueSize(),t)}InterpolantFactoryMethodSmooth(t){return new ql(this.times,this.values,this.getValueSize(),t)}setInterpolation(t){let e;switch(t){case $:e=this.InterpolantFactoryMethodDiscrete;break;case Q:e=this.InterpolantFactoryMethodLinear;break;case tt:e=this.InterpolantFactoryMethodSmooth}if(void 0===e){const e="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(t===this.DefaultInterpolation)throw new Error(e);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",e),this}return this.createInterpolant=e,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return $;case this.InterpolantFactoryMethodLinear:return Q;case this.InterpolantFactoryMethodSmooth:return tt}}getValueSize(){return this.values.length/this.times.length}shift(t){if(0!==t){const e=this.times;for(let i=0,n=e.length;i!==n;++i)e[i]+=t}return this}scale(t){if(1!==t){const e=this.times;for(let i=0,n=e.length;i!==n;++i)e[i]*=t}return this}trim(t,e){const i=this.times,n=i.length;let r=0,s=n-1;for(;r!==n&&i[r]<t;)++r;for(;-1!==s&&i[s]>e;)--s;if(++s,0!==r||s!==n){r>=s&&(s=Math.max(s,1),r=s-1);const t=this.getValueSize();this.times=Bl(i,r,s),this.values=Bl(this.values,r*t,s*t)}return this}validate(){let t=!0;const e=this.getValueSize();e-Math.floor(e)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),t=!1);const i=this.times,n=this.values,r=i.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),t=!1);let s=null;for(let e=0;e!==r;e++){const n=i[e];if("number"==typeof n&&isNaN(n)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,e,n),t=!1;break}if(null!==s&&s>n){console.error("THREE.KeyframeTrack: Out of order keys.",this,e,n,s),t=!1;break}s=n}if(void 0!==n&&kl(n))for(let e=0,i=n.length;e!==i;++e){const i=n[e];if(isNaN(i)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,e,i),t=!1;break}}return t}optimize(){const t=Bl(this.times),e=Bl(this.values),i=this.getValueSize(),n=this.getInterpolation()===tt,r=t.length-1;let s=1;for(let a=1;a<r;++a){let r=!1;const o=t[a];if(o!==t[a+1]&&(1!==a||o!==t[0]))if(n)r=!0;else{const t=a*i,n=t-i,s=t+i;for(let a=0;a!==i;++a){const i=e[t+a];if(i!==e[n+a]||i!==e[s+a]){r=!0;break}}}if(r){if(a!==s){t[s]=t[a];const n=a*i,r=s*i;for(let t=0;t!==i;++t)e[r+t]=e[n+t]}++s}}if(r>0){t[s]=t[r];for(let t=r*i,n=s*i,a=0;a!==i;++a)e[n+a]=e[t+a];++s}return s!==t.length?(this.times=Bl(t,0,s),this.values=Bl(e,0,s*i)):(this.times=t,this.values=e),this}clone(){const t=Bl(this.times,0),e=Bl(this.values,0),i=new(0,this.constructor)(this.name,t,e);return i.createInterpolant=this.createInterpolant,i}}Zl.prototype.TimeBufferType=Float32Array,Zl.prototype.ValueBufferType=Float32Array,Zl.prototype.DefaultInterpolation=Q;class Jl extends Zl{}Jl.prototype.ValueTypeName="bool",Jl.prototype.ValueBufferType=Array,Jl.prototype.DefaultInterpolation=$,Jl.prototype.InterpolantFactoryMethodLinear=void 0,Jl.prototype.InterpolantFactoryMethodSmooth=void 0;class Kl extends Zl{}Kl.prototype.ValueTypeName="color";class $l extends Zl{}$l.prototype.ValueTypeName="number";class Ql extends jl{constructor(t,e,i,n){super(t,e,i,n)}interpolate_(t,e,i,n){const r=this.resultBuffer,s=this.sampleValues,a=this.valueSize,o=(i-e)/(n-e);let l=t*a;for(let t=l+a;l!==t;l+=4)ie.slerpFlat(r,0,s,l-a,s,l,o);return r}}class tc extends Zl{InterpolantFactoryMethodLinear(t){return new Ql(this.times,this.values,this.getValueSize(),t)}}tc.prototype.ValueTypeName="quaternion",tc.prototype.DefaultInterpolation=Q,tc.prototype.InterpolantFactoryMethodSmooth=void 0;class ec extends Zl{}ec.prototype.ValueTypeName="string",ec.prototype.ValueBufferType=Array,ec.prototype.DefaultInterpolation=$,ec.prototype.InterpolantFactoryMethodLinear=void 0,ec.prototype.InterpolantFactoryMethodSmooth=void 0;class ic extends Zl{}ic.prototype.ValueTypeName="vector";class nc{constructor(t,e=-1,i,n=2500){this.name=t,this.tracks=i,this.duration=e,this.blendMode=n,this.uuid=_t(),this.duration<0&&this.resetDuration()}static parse(t){const e=[],i=t.tracks,n=1/(t.fps||1);for(let t=0,r=i.length;t!==r;++t)e.push(rc(i[t]).scale(n));const r=new this(t.name,t.duration,e,t.blendMode);return r.uuid=t.uuid,r}static toJSON(t){const e=[],i=t.tracks,n={name:t.name,duration:t.duration,tracks:e,uuid:t.uuid,blendMode:t.blendMode};for(let t=0,n=i.length;t!==n;++t)e.push(Zl.toJSON(i[t]));return n}static CreateFromMorphTargetSequence(t,e,i,n){const r=e.length,s=[];for(let t=0;t<r;t++){let a=[],o=[];a.push((t+r-1)%r,t,(t+1)%r),o.push(0,1,0);const l=Gl(a);a=Vl(a,1,l),o=Vl(o,1,l),n||0!==a[0]||(a.push(r),o.push(o[0])),s.push(new $l(".morphTargetInfluences["+e[t].name+"]",a,o).scale(1/i))}return new this(t,-1,s)}static findByName(t,e){let i=t;if(!Array.isArray(t)){const e=t;i=e.geometry&&e.geometry.animations||e.animations}for(let t=0;t<i.length;t++)if(i[t].name===e)return i[t];return null}static CreateClipsFromMorphTargetSequences(t,e,i){const n={},r=/^([\w-]*?)([\d]+)$/;for(let e=0,i=t.length;e<i;e++){const i=t[e],s=i.name.match(r);if(s&&s.length>1){const t=s[1];let e=n[t];e||(n[t]=e=[]),e.push(i)}}const s=[];for(const t in n)s.push(this.CreateFromMorphTargetSequence(t,n[t],e,i));return s}static parseAnimation(t,e){if(!t)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const i=function(t,e,i,n,r){if(0!==i.length){const s=[],a=[];Hl(i,s,a,n),0!==s.length&&r.push(new t(e,s,a))}},n=[],r=t.name||"default",s=t.fps||30,a=t.blendMode;let o=t.length||-1;const l=t.hierarchy||[];for(let t=0;t<l.length;t++){const r=l[t].keys;if(r&&0!==r.length)if(r[0].morphTargets){const t={};let e;for(e=0;e<r.length;e++)if(r[e].morphTargets)for(let i=0;i<r[e].morphTargets.length;i++)t[r[e].morphTargets[i]]=-1;for(const i in t){const t=[],s=[];for(let n=0;n!==r[e].morphTargets.length;++n){const n=r[e];t.push(n.time),s.push(n.morphTarget===i?1:0)}n.push(new $l(".morphTargetInfluence["+i+"]",t,s))}o=t.length*s}else{const s=".bones["+e[t].name+"]";i(ic,s+".position",r,"pos",n),i(tc,s+".quaternion",r,"rot",n),i(ic,s+".scale",r,"scl",n)}}if(0===n.length)return null;return new this(r,o,n,a)}resetDuration(){let t=0;for(let e=0,i=this.tracks.length;e!==i;++e){const i=this.tracks[e];t=Math.max(t,i.times[i.times.length-1])}return this.duration=t,this}trim(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].trim(0,this.duration);return this}validate(){let t=!0;for(let e=0;e<this.tracks.length;e++)t=t&&this.tracks[e].validate();return t}optimize(){for(let t=0;t<this.tracks.length;t++)this.tracks[t].optimize();return this}clone(){const t=[];for(let e=0;e<this.tracks.length;e++)t.push(this.tracks[e].clone());return new this.constructor(this.name,this.duration,t,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function rc(t){if(void 0===t.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=function(t){switch(t.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return $l;case"vector":case"vector2":case"vector3":case"vector4":return ic;case"color":return Kl;case"quaternion":return tc;case"bool":case"boolean":return Jl;case"string":return ec}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+t)}(t.type);if(void 0===t.times){const e=[],i=[];Hl(t.keys,e,i,"value"),t.times=e,t.values=i}return void 0!==e.parse?e.parse(t):new e(t.name,t.times,t.values,t.interpolation)}const sc={enabled:!1,files:{},add:function(t,e){!1!==this.enabled&&(this.files[t]=e)},get:function(t){if(!1!==this.enabled)return this.files[t]},remove:function(t){delete this.files[t]},clear:function(){this.files={}}};class ac{constructor(t,e,i){const n=this;let r,s=!1,a=0,o=0;const l=[];this.onStart=void 0,this.onLoad=t,this.onProgress=e,this.onError=i,this.itemStart=function(t){o++,!1===s&&void 0!==n.onStart&&n.onStart(t,a,o),s=!0},this.itemEnd=function(t){a++,void 0!==n.onProgress&&n.onProgress(t,a,o),a===o&&(s=!1,void 0!==n.onLoad&&n.onLoad())},this.itemError=function(t){void 0!==n.onError&&n.onError(t)},this.resolveURL=function(t){return r?r(t):t},this.setURLModifier=function(t){return r=t,this},this.addHandler=function(t,e){return l.push(t,e),this},this.removeHandler=function(t){const e=l.indexOf(t);return-1!==e&&l.splice(e,2),this},this.getHandler=function(t){for(let e=0,i=l.length;e<i;e+=2){const i=l[e],n=l[e+1];if(i.global&&(i.lastIndex=0),i.test(t))return n}return null}}}const oc=new ac;class lc{constructor(t){this.manager=void 0!==t?t:oc,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(t,e){const i=this;return new Promise((function(n,r){i.load(t,n,e,r)}))}parse(){}setCrossOrigin(t){return this.crossOrigin=t,this}setWithCredentials(t){return this.withCredentials=t,this}setPath(t){return this.path=t,this}setResourcePath(t){return this.resourcePath=t,this}setRequestHeader(t){return this.requestHeader=t,this}}const cc={};class hc extends Error{constructor(t,e){super(t),this.response=e}}class uc extends lc{constructor(t){super(t)}load(t,e,i,n){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=sc.get(t);if(void 0!==r)return this.manager.itemStart(t),setTimeout((()=>{e&&e(r),this.manager.itemEnd(t)}),0),r;if(void 0!==cc[t])return void cc[t].push({onLoad:e,onProgress:i,onError:n});cc[t]=[],cc[t].push({onLoad:e,onProgress:i,onError:n});const s=new Request(t,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),a=this.mimeType,o=this.responseType;fetch(s).then((e=>{if(200===e.status||0===e.status){if(0===e.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"==typeof ReadableStream||void 0===e.body||void 0===e.body.getReader)return e;const i=cc[t],n=e.body.getReader(),r=e.headers.get("Content-Length"),s=r?parseInt(r):0,a=0!==s;let o=0;const l=new ReadableStream({start(t){!function e(){n.read().then((({done:n,value:r})=>{if(n)t.close();else{o+=r.byteLength;const n=new ProgressEvent("progress",{lengthComputable:a,loaded:o,total:s});for(let t=0,e=i.length;t<e;t++){const e=i[t];e.onProgress&&e.onProgress(n)}t.enqueue(r),e()}}))}()}});return new Response(l)}throw new hc(`fetch for "${e.url}" responded with ${e.status}: ${e.statusText}`,e)})).then((t=>{switch(o){case"arraybuffer":return t.arrayBuffer();case"blob":return t.blob();case"document":return t.text().then((t=>(new DOMParser).parseFromString(t,a)));case"json":return t.json();default:if(void 0===a)return t.text();{const e=/charset="?([^;"\s]*)"?/i.exec(a),i=e&&e[1]?e[1].toLowerCase():void 0,n=new TextDecoder(i);return t.arrayBuffer().then((t=>n.decode(t)))}}})).then((e=>{sc.add(t,e);const i=cc[t];delete cc[t];for(let t=0,n=i.length;t<n;t++){const n=i[t];n.onLoad&&n.onLoad(e)}})).catch((e=>{const i=cc[t];if(void 0===i)throw this.manager.itemError(t),e;delete cc[t];for(let t=0,n=i.length;t<n;t++){const n=i[t];n.onError&&n.onError(e)}this.manager.itemError(t)})).finally((()=>{this.manager.itemEnd(t)})),this.manager.itemStart(t)}setResponseType(t){return this.responseType=t,this}setMimeType(t){return this.mimeType=t,this}}class dc extends lc{constructor(t){super(t)}load(t,e,i,n){void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=sc.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a=Nt("img");function o(){c(),sc.add(t,this),e&&e(this),r.manager.itemEnd(t)}function l(e){c(),n&&n(e),r.manager.itemError(t),r.manager.itemEnd(t)}function c(){a.removeEventListener("load",o,!1),a.removeEventListener("error",l,!1)}return a.addEventListener("load",o,!1),a.addEventListener("error",l,!1),"data:"!==t.slice(0,5)&&void 0!==this.crossOrigin&&(a.crossOrigin=this.crossOrigin),r.manager.itemStart(t),a.src=t,a}}class pc extends si{constructor(t,e=1){super(),this.isLight=!0,this.type="Light",this.color=new jt(t),this.intensity=e}dispose(){}copy(t,e){return super.copy(t,e),this.color.copy(t.color),this.intensity=t.intensity,this}toJSON(t){const e=super.toJSON(t);return e.object.color=this.color.getHex(),e.object.intensity=this.intensity,void 0!==this.groundColor&&(e.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(e.object.distance=this.distance),void 0!==this.angle&&(e.object.angle=this.angle),void 0!==this.decay&&(e.object.decay=this.decay),void 0!==this.penumbra&&(e.object.penumbra=this.penumbra),void 0!==this.shadow&&(e.object.shadow=this.shadow.toJSON()),e}}class mc extends pc{constructor(t,e,i){super(t,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(si.DefaultUp),this.updateMatrix(),this.groundColor=new jt(e)}copy(t,e){return super.copy(t,e),this.groundColor.copy(t.groundColor),this}}const fc=new Ne,gc=new ne,vc=new ne;class xc{constructor(t){this.camera=t,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new Lt(512,512),this.map=null,this.mapPass=null,this.matrix=new Ne,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new vn,this._frameExtents=new Lt(1,1),this._viewportCount=1,this._viewports=[new $t(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(t){const e=this.camera,i=this.matrix;gc.setFromMatrixPosition(t.matrixWorld),e.position.copy(gc),vc.setFromMatrixPosition(t.target.matrixWorld),e.lookAt(vc),e.updateMatrixWorld(),fc.multiplyMatrices(e.projectionMatrix,e.matrixWorldInverse),this._frustum.setFromProjectionMatrix(fc),i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(e.projectionMatrix),i.multiply(e.matrixWorldInverse)}getViewport(t){return this._viewports[t]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(t){return this.camera=t.camera.clone(),this.bias=t.bias,this.radius=t.radius,this.mapSize.copy(t.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const t={};return 0!==this.bias&&(t.bias=this.bias),0!==this.normalBias&&(t.normalBias=this.normalBias),1!==this.radius&&(t.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(t.mapSize=this.mapSize.toArray()),t.camera=this.camera.toJSON(!1).object,delete t.camera.matrix,t}}class _c extends xc{constructor(){super(new an(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(t){const e=this.camera,i=2*xt*t.angle*this.focus,n=this.mapSize.width/this.mapSize.height,r=t.distance||e.far;i===e.fov&&n===e.aspect&&r===e.far||(e.fov=i,e.aspect=n,e.far=r,e.updateProjectionMatrix()),super.updateMatrices(t)}copy(t){return super.copy(t),this.focus=t.focus,this}}class yc extends pc{constructor(t,e,i=0,n=Math.PI/3,r=0,s=1){super(t,e),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(si.DefaultUp),this.updateMatrix(),this.target=new si,this.distance=i,this.angle=n,this.penumbra=r,this.decay=s,this.map=null,this.shadow=new _c}get power(){return this.intensity*Math.PI}set power(t){this.intensity=t/Math.PI}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.angle=t.angle,this.penumbra=t.penumbra,this.decay=t.decay,this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}const Mc=new Ne,bc=new ne,Sc=new ne;class wc extends xc{constructor(){super(new an(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new Lt(4,2),this._viewportCount=6,this._viewports=[new $t(2,1,1,1),new $t(0,1,1,1),new $t(3,1,1,1),new $t(1,1,1,1),new $t(3,0,1,1),new $t(1,0,1,1)],this._cubeDirections=[new ne(1,0,0),new ne(-1,0,0),new ne(0,0,1),new ne(0,0,-1),new ne(0,1,0),new ne(0,-1,0)],this._cubeUps=[new ne(0,1,0),new ne(0,1,0),new ne(0,1,0),new ne(0,1,0),new ne(0,0,1),new ne(0,0,-1)]}updateMatrices(t,e=0){const i=this.camera,n=this.matrix,r=t.distance||i.far;r!==i.far&&(i.far=r,i.updateProjectionMatrix()),bc.setFromMatrixPosition(t.matrixWorld),i.position.copy(bc),Sc.copy(i.position),Sc.add(this._cubeDirections[e]),i.up.copy(this._cubeUps[e]),i.lookAt(Sc),i.updateMatrixWorld(),n.makeTranslation(-bc.x,-bc.y,-bc.z),Mc.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Mc)}}class Tc extends pc{constructor(t,e,i=0,n=1){super(t,e),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=n,this.shadow=new wc}get power(){return 4*this.intensity*Math.PI}set power(t){this.intensity=t/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(t,e){return super.copy(t,e),this.distance=t.distance,this.decay=t.decay,this.shadow=t.shadow.clone(),this}}class Ac extends xc{constructor(){super(new Rn(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Ec extends pc{constructor(t,e){super(t,e),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(si.DefaultUp),this.updateMatrix(),this.target=new si,this.shadow=new Ac}dispose(){this.shadow.dispose()}copy(t){return super.copy(t),this.target=t.target.clone(),this.shadow=t.shadow.clone(),this}}class Cc extends pc{constructor(t,e){super(t,e),this.isAmbientLight=!0,this.type="AmbientLight"}}class Lc extends pc{constructor(t,e,i=10,n=10){super(t,e),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=n}get power(){return this.intensity*this.width*this.height*Math.PI}set power(t){this.intensity=t/(this.width*this.height*Math.PI)}copy(t){return super.copy(t),this.width=t.width,this.height=t.height,this}toJSON(t){const e=super.toJSON(t);return e.object.width=this.width,e.object.height=this.height,e}}class Rc{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let t=0;t<9;t++)this.coefficients.push(new ne)}set(t){for(let e=0;e<9;e++)this.coefficients[e].copy(t[e]);return this}zero(){for(let t=0;t<9;t++)this.coefficients[t].set(0,0,0);return this}getAt(t,e){const i=t.x,n=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.282095),e.addScaledVector(s[1],.488603*n),e.addScaledVector(s[2],.488603*r),e.addScaledVector(s[3],.488603*i),e.addScaledVector(s[4],i*n*1.092548),e.addScaledVector(s[5],n*r*1.092548),e.addScaledVector(s[6],.315392*(3*r*r-1)),e.addScaledVector(s[7],i*r*1.092548),e.addScaledVector(s[8],.546274*(i*i-n*n)),e}getIrradianceAt(t,e){const i=t.x,n=t.y,r=t.z,s=this.coefficients;return e.copy(s[0]).multiplyScalar(.886227),e.addScaledVector(s[1],1.023328*n),e.addScaledVector(s[2],1.023328*r),e.addScaledVector(s[3],1.023328*i),e.addScaledVector(s[4],.858086*i*n),e.addScaledVector(s[5],.858086*n*r),e.addScaledVector(s[6],.743125*r*r-.247708),e.addScaledVector(s[7],.858086*i*r),e.addScaledVector(s[8],.429043*(i*i-n*n)),e}add(t){for(let e=0;e<9;e++)this.coefficients[e].add(t.coefficients[e]);return this}addScaledSH(t,e){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(t.coefficients[i],e);return this}scale(t){for(let e=0;e<9;e++)this.coefficients[e].multiplyScalar(t);return this}lerp(t,e){for(let i=0;i<9;i++)this.coefficients[i].lerp(t.coefficients[i],e);return this}equals(t){for(let e=0;e<9;e++)if(!this.coefficients[e].equals(t.coefficients[e]))return!1;return!0}copy(t){return this.set(t.coefficients)}clone(){return(new this.constructor).copy(this)}fromArray(t,e=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].fromArray(t,e+3*n);return this}toArray(t=[],e=0){const i=this.coefficients;for(let n=0;n<9;n++)i[n].toArray(t,e+3*n);return t}static getBasisAt(t,e){const i=t.x,n=t.y,r=t.z;e[0]=.282095,e[1]=.488603*n,e[2]=.488603*r,e[3]=.488603*i,e[4]=1.092548*i*n,e[5]=1.092548*n*r,e[6]=.315392*(3*r*r-1),e[7]=1.092548*i*r,e[8]=.546274*(i*i-n*n)}}class Pc extends pc{constructor(t=new Rc,e=1){super(void 0,e),this.isLightProbe=!0,this.sh=t}copy(t){return super.copy(t),this.sh.copy(t.sh),this}fromJSON(t){return this.intensity=t.intensity,this.sh.fromArray(t.sh),this}toJSON(t){const e=super.toJSON(t);return e.object.sh=this.sh.toArray(),e}}class Ic extends lc{constructor(t){super(t),this.textures={}}load(t,e,i,n){const r=this,s=new uc(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(i){try{e(r.parse(JSON.parse(i)))}catch(e){n?n(e):console.error(e),r.manager.itemError(t)}}),i,n)}parse(t){const e=this.textures;function i(t){return void 0===e[t]&&console.warn("THREE.MaterialLoader: Undefined texture",t),e[t]}const n=Ic.createMaterialFromType(t.type);if(void 0!==t.uuid&&(n.uuid=t.uuid),void 0!==t.name&&(n.name=t.name),void 0!==t.color&&void 0!==n.color&&n.color.setHex(t.color),void 0!==t.roughness&&(n.roughness=t.roughness),void 0!==t.metalness&&(n.metalness=t.metalness),void 0!==t.sheen&&(n.sheen=t.sheen),void 0!==t.sheenColor&&(n.sheenColor=(new jt).setHex(t.sheenColor)),void 0!==t.sheenRoughness&&(n.sheenRoughness=t.sheenRoughness),void 0!==t.emissive&&void 0!==n.emissive&&n.emissive.setHex(t.emissive),void 0!==t.specular&&void 0!==n.specular&&n.specular.setHex(t.specular),void 0!==t.specularIntensity&&(n.specularIntensity=t.specularIntensity),void 0!==t.specularColor&&void 0!==n.specularColor&&n.specularColor.setHex(t.specularColor),void 0!==t.shininess&&(n.shininess=t.shininess),void 0!==t.clearcoat&&(n.clearcoat=t.clearcoat),void 0!==t.clearcoatRoughness&&(n.clearcoatRoughness=t.clearcoatRoughness),void 0!==t.iridescence&&(n.iridescence=t.iridescence),void 0!==t.iridescenceIOR&&(n.iridescenceIOR=t.iridescenceIOR),void 0!==t.iridescenceThicknessRange&&(n.iridescenceThicknessRange=t.iridescenceThicknessRange),void 0!==t.transmission&&(n.transmission=t.transmission),void 0!==t.thickness&&(n.thickness=t.thickness),void 0!==t.attenuationDistance&&(n.attenuationDistance=t.attenuationDistance),void 0!==t.attenuationColor&&void 0!==n.attenuationColor&&n.attenuationColor.setHex(t.attenuationColor),void 0!==t.fog&&(n.fog=t.fog),void 0!==t.flatShading&&(n.flatShading=t.flatShading),void 0!==t.blending&&(n.blending=t.blending),void 0!==t.combine&&(n.combine=t.combine),void 0!==t.side&&(n.side=t.side),void 0!==t.shadowSide&&(n.shadowSide=t.shadowSide),void 0!==t.opacity&&(n.opacity=t.opacity),void 0!==t.transparent&&(n.transparent=t.transparent),void 0!==t.alphaTest&&(n.alphaTest=t.alphaTest),void 0!==t.depthTest&&(n.depthTest=t.depthTest),void 0!==t.depthWrite&&(n.depthWrite=t.depthWrite),void 0!==t.colorWrite&&(n.colorWrite=t.colorWrite),void 0!==t.stencilWrite&&(n.stencilWrite=t.stencilWrite),void 0!==t.stencilWriteMask&&(n.stencilWriteMask=t.stencilWriteMask),void 0!==t.stencilFunc&&(n.stencilFunc=t.stencilFunc),void 0!==t.stencilRef&&(n.stencilRef=t.stencilRef),void 0!==t.stencilFuncMask&&(n.stencilFuncMask=t.stencilFuncMask),void 0!==t.stencilFail&&(n.stencilFail=t.stencilFail),void 0!==t.stencilZFail&&(n.stencilZFail=t.stencilZFail),void 0!==t.stencilZPass&&(n.stencilZPass=t.stencilZPass),void 0!==t.wireframe&&(n.wireframe=t.wireframe),void 0!==t.wireframeLinewidth&&(n.wireframeLinewidth=t.wireframeLinewidth),void 0!==t.wireframeLinecap&&(n.wireframeLinecap=t.wireframeLinecap),void 0!==t.wireframeLinejoin&&(n.wireframeLinejoin=t.wireframeLinejoin),void 0!==t.rotation&&(n.rotation=t.rotation),1!==t.linewidth&&(n.linewidth=t.linewidth),void 0!==t.dashSize&&(n.dashSize=t.dashSize),void 0!==t.gapSize&&(n.gapSize=t.gapSize),void 0!==t.scale&&(n.scale=t.scale),void 0!==t.polygonOffset&&(n.polygonOffset=t.polygonOffset),void 0!==t.polygonOffsetFactor&&(n.polygonOffsetFactor=t.polygonOffsetFactor),void 0!==t.polygonOffsetUnits&&(n.polygonOffsetUnits=t.polygonOffsetUnits),void 0!==t.dithering&&(n.dithering=t.dithering),void 0!==t.alphaToCoverage&&(n.alphaToCoverage=t.alphaToCoverage),void 0!==t.premultipliedAlpha&&(n.premultipliedAlpha=t.premultipliedAlpha),void 0!==t.visible&&(n.visible=t.visible),void 0!==t.toneMapped&&(n.toneMapped=t.toneMapped),void 0!==t.userData&&(n.userData=t.userData),void 0!==t.vertexColors&&("number"==typeof t.vertexColors?n.vertexColors=t.vertexColors>0:n.vertexColors=t.vertexColors),void 0!==t.uniforms)for(const e in t.uniforms){const r=t.uniforms[e];switch(n.uniforms[e]={},r.type){case"t":n.uniforms[e].value=i(r.value);break;case"c":n.uniforms[e].value=(new jt).setHex(r.value);break;case"v2":n.uniforms[e].value=(new Lt).fromArray(r.value);break;case"v3":n.uniforms[e].value=(new ne).fromArray(r.value);break;case"v4":n.uniforms[e].value=(new $t).fromArray(r.value);break;case"m3":n.uniforms[e].value=(new Rt).fromArray(r.value);break;case"m4":n.uniforms[e].value=(new Ne).fromArray(r.value);break;default:n.uniforms[e].value=r.value}}if(void 0!==t.defines&&(n.defines=t.defines),void 0!==t.vertexShader&&(n.vertexShader=t.vertexShader),void 0!==t.fragmentShader&&(n.fragmentShader=t.fragmentShader),void 0!==t.glslVersion&&(n.glslVersion=t.glslVersion),void 0!==t.extensions)for(const e in t.extensions)n.extensions[e]=t.extensions[e];if(void 0!==t.size&&(n.size=t.size),void 0!==t.sizeAttenuation&&(n.sizeAttenuation=t.sizeAttenuation),void 0!==t.map&&(n.map=i(t.map)),void 0!==t.matcap&&(n.matcap=i(t.matcap)),void 0!==t.alphaMap&&(n.alphaMap=i(t.alphaMap)),void 0!==t.bumpMap&&(n.bumpMap=i(t.bumpMap)),void 0!==t.bumpScale&&(n.bumpScale=t.bumpScale),void 0!==t.normalMap&&(n.normalMap=i(t.normalMap)),void 0!==t.normalMapType&&(n.normalMapType=t.normalMapType),void 0!==t.normalScale){let e=t.normalScale;!1===Array.isArray(e)&&(e=[e,e]),n.normalScale=(new Lt).fromArray(e)}return void 0!==t.displacementMap&&(n.displacementMap=i(t.displacementMap)),void 0!==t.displacementScale&&(n.displacementScale=t.displacementScale),void 0!==t.displacementBias&&(n.displacementBias=t.displacementBias),void 0!==t.roughnessMap&&(n.roughnessMap=i(t.roughnessMap)),void 0!==t.metalnessMap&&(n.metalnessMap=i(t.metalnessMap)),void 0!==t.emissiveMap&&(n.emissiveMap=i(t.emissiveMap)),void 0!==t.emissiveIntensity&&(n.emissiveIntensity=t.emissiveIntensity),void 0!==t.specularMap&&(n.specularMap=i(t.specularMap)),void 0!==t.specularIntensityMap&&(n.specularIntensityMap=i(t.specularIntensityMap)),void 0!==t.specularColorMap&&(n.specularColorMap=i(t.specularColorMap)),void 0!==t.envMap&&(n.envMap=i(t.envMap)),void 0!==t.envMapIntensity&&(n.envMapIntensity=t.envMapIntensity),void 0!==t.reflectivity&&(n.reflectivity=t.reflectivity),void 0!==t.refractionRatio&&(n.refractionRatio=t.refractionRatio),void 0!==t.lightMap&&(n.lightMap=i(t.lightMap)),void 0!==t.lightMapIntensity&&(n.lightMapIntensity=t.lightMapIntensity),void 0!==t.aoMap&&(n.aoMap=i(t.aoMap)),void 0!==t.aoMapIntensity&&(n.aoMapIntensity=t.aoMapIntensity),void 0!==t.gradientMap&&(n.gradientMap=i(t.gradientMap)),void 0!==t.clearcoatMap&&(n.clearcoatMap=i(t.clearcoatMap)),void 0!==t.clearcoatRoughnessMap&&(n.clearcoatRoughnessMap=i(t.clearcoatRoughnessMap)),void 0!==t.clearcoatNormalMap&&(n.clearcoatNormalMap=i(t.clearcoatNormalMap)),void 0!==t.clearcoatNormalScale&&(n.clearcoatNormalScale=(new Lt).fromArray(t.clearcoatNormalScale)),void 0!==t.iridescenceMap&&(n.iridescenceMap=i(t.iridescenceMap)),void 0!==t.iridescenceThicknessMap&&(n.iridescenceThicknessMap=i(t.iridescenceThicknessMap)),void 0!==t.transmissionMap&&(n.transmissionMap=i(t.transmissionMap)),void 0!==t.thicknessMap&&(n.thicknessMap=i(t.thicknessMap)),void 0!==t.sheenColorMap&&(n.sheenColorMap=i(t.sheenColorMap)),void 0!==t.sheenRoughnessMap&&(n.sheenRoughnessMap=i(t.sheenRoughnessMap)),n}setTextures(t){return this.textures=t,this}static createMaterialFromType(t){return new{ShadowMaterial:Cl,SpriteMaterial:na,RawShaderMaterial:Ll,ShaderMaterial:rn,PointsMaterial:Ja,MeshPhysicalMaterial:Pl,MeshStandardMaterial:Rl,MeshPhongMaterial:Il,MeshToonMaterial:Dl,MeshNormalMaterial:Nl,MeshLambertMaterial:Ol,MeshDepthMaterial:Os,MeshDistanceMaterial:zs,MeshBasicMaterial:_i,MeshMatcapMaterial:zl,LineDashedMaterial:Ul,LineBasicMaterial:Fa,Material:xi}[t]}}class Dc{static decodeText(t){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(t);let e="";for(let i=0,n=t.length;i<n;i++)e+=String.fromCharCode(t[i]);try{return decodeURIComponent(escape(e))}catch(t){return e}}static extractUrlBase(t){const e=t.lastIndexOf("/");return-1===e?"./":t.slice(0,e+1)}static resolveURL(t,e){return"string"!=typeof t||""===t?"":(/^https?:\/\//i.test(e)&&/^\//.test(t)&&(e=e.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(t)||/^data:.*,.*$/i.test(t)||/^blob:.*$/i.test(t)?t:e+t)}}class Nc extends Di{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(t){return super.copy(t),this.instanceCount=t.instanceCount,this}clone(){return(new this.constructor).copy(this)}toJSON(){const t=super.toJSON(this);return t.instanceCount=this.instanceCount,t.isInstancedBufferGeometry=!0,t}}class Oc extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=new uc(r.manager);s.setPath(r.path),s.setRequestHeader(r.requestHeader),s.setWithCredentials(r.withCredentials),s.load(t,(function(i){try{e(r.parse(JSON.parse(i)))}catch(e){n?n(e):console.error(e),r.manager.itemError(t)}}),i,n)}parse(t){const e={},i={};function n(t,n){if(void 0!==e[n])return e[n];const r=t.interleavedBuffers[n],s=function(t,e){if(void 0!==i[e])return i[e];const n=t.arrayBuffers[e],r=new Uint32Array(n).buffer;return i[e]=r,r}(t,r.buffer),a=Dt(r.type,s),o=new ta(a,r.stride);return o.uuid=r.uuid,e[n]=o,o}const r=t.isInstancedBufferGeometry?new Nc:new Di,s=t.data.index;if(void 0!==s){const t=Dt(s.type,s.array);r.setIndex(new bi(t,1))}const a=t.data.attributes;for(const e in a){const i=a[e];let s;if(i.isInterleavedBufferAttribute){const e=n(t.data,i.data);s=new ia(e,i.itemSize,i.offset,i.normalized)}else{const t=Dt(i.type,i.array);s=new(i.isInstancedBufferAttribute?Da:bi)(t,i.itemSize,i.normalized)}void 0!==i.name&&(s.name=i.name),void 0!==i.usage&&s.setUsage(i.usage),void 0!==i.updateRange&&(s.updateRange.offset=i.updateRange.offset,s.updateRange.count=i.updateRange.count),r.setAttribute(e,s)}const o=t.data.morphAttributes;if(o)for(const e in o){const i=o[e],s=[];for(let e=0,r=i.length;e<r;e++){const r=i[e];let a;if(r.isInterleavedBufferAttribute){const e=n(t.data,r.data);a=new ia(e,r.itemSize,r.offset,r.normalized)}else{const t=Dt(r.type,r.array);a=new bi(t,r.itemSize,r.normalized)}void 0!==r.name&&(a.name=r.name),s.push(a)}r.morphAttributes[e]=s}t.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);const l=t.data.groups||t.data.drawcalls||t.data.offsets;if(void 0!==l)for(let t=0,e=l.length;t!==e;++t){const e=l[t];r.addGroup(e.start,e.count,e.materialIndex)}const c=t.data.boundingSphere;if(void 0!==c){const t=new ne;void 0!==c.center&&t.fromArray(c.center),r.boundingSphere=new Te(t,c.radius)}return t.name&&(r.name=t.name),t.userData&&(r.userData=t.userData),r}}const zc={UVMapping:n,CubeReflectionMapping:r,CubeRefractionMapping:s,EquirectangularReflectionMapping:a,EquirectangularRefractionMapping:o,CubeUVReflectionMapping:l},Uc={RepeatWrapping:c,ClampToEdgeWrapping:h,MirroredRepeatWrapping:u},Bc={NearestFilter:d,NearestMipmapNearestFilter:p,NearestMipmapLinearFilter:m,LinearFilter:f,LinearMipmapNearestFilter:g,LinearMipmapLinearFilter:v};let Fc;const kc={getContext:function(){return void 0===Fc&&(Fc=new(window.AudioContext||window.webkitAudioContext)),Fc},setContext:function(t){Fc=t}};const Gc=new Ne,Vc=new Ne,Hc=new Ne;class Wc{constructor(t=!0){this.autoStart=t,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=jc(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let t=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){const e=jc();t=(e-this.oldTime)/1e3,this.oldTime=e,this.elapsedTime+=t}return t}}function jc(){return("undefined"==typeof performance?Date:performance).now()}const qc=new ne,Xc=new ie,Yc=new ne,Zc=new ne;class Jc extends si{constructor(t){super(),this.type="Audio",this.listener=t,this.context=t.context,this.gain=this.context.createGain(),this.gain.connect(t.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(t){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=t,this.connect(),this}setMediaElementSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(t),this.connect(),this}setMediaStreamSource(t){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(t),this.connect(),this}setBuffer(t){return this.buffer=t,this.sourceType="buffer",this.autoplay&&this.play(),this}play(t=0){if(!0===this.isPlaying)return void console.warn("THREE.Audio: Audio is already playing.");if(!1===this.hasPlaybackControl)return void console.warn("THREE.Audio: this Audio has no playback control.");this._startedAt=this.context.currentTime+t;const e=this.context.createBufferSource();return e.buffer=this.buffer,e.loop=this.loop,e.loopStart=this.loopStart,e.loopEnd=this.loopEnd,e.onended=this.onEnded.bind(this),e.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=e,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1!==this.hasPlaybackControl)return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this;console.warn("THREE.Audio: this Audio has no playback control.")}stop(){if(!1!==this.hasPlaybackControl)return this._progress=0,this.source.stop(),this.source.onended=null,this.isPlaying=!1,this;console.warn("THREE.Audio: this Audio has no playback control.")}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].connect(this.filters[t]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let t=1,e=this.filters.length;t<e;t++)this.filters[t-1].disconnect(this.filters[t]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}getFilters(){return this.filters}setFilters(t){return t||(t=[]),!0===this._connected?(this.disconnect(),this.filters=t.slice(),this.connect()):this.filters=t.slice(),this}setDetune(t){if(this.detune=t,void 0!==this.source.detune)return!0===this.isPlaying&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(t){return this.setFilters(t?[t]:[])}setPlaybackRate(t){if(!1!==this.hasPlaybackControl)return this.playbackRate=t,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this;console.warn("THREE.Audio: this Audio has no playback control.")}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(t){if(!1!==this.hasPlaybackControl)return this.loop=t,!0===this.isPlaying&&(this.source.loop=this.loop),this;console.warn("THREE.Audio: this Audio has no playback control.")}setLoopStart(t){return this.loopStart=t,this}setLoopEnd(t){return this.loopEnd=t,this}getVolume(){return this.gain.gain.value}setVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}}const Kc=new ne,$c=new ie,Qc=new ne,th=new ne;class eh{constructor(t,e,i){let n,r,s;switch(this.binding=t,this.valueSize=i,e){case"quaternion":n=this._slerp,r=this._slerpAdditive,s=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":n=this._select,r=this._select,s=this._setAdditiveIdentityOther,this.buffer=new Array(5*i);break;default:n=this._lerp,r=this._lerpAdditive,s=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=n,this._mixBufferRegionAdditive=r,this._setIdentity=s,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(t,e){const i=this.buffer,n=this.valueSize,r=t*n+n;let s=this.cumulativeWeight;if(0===s){for(let t=0;t!==n;++t)i[r+t]=i[t];s=e}else{s+=e;const t=e/s;this._mixBufferRegion(i,r,0,t,n)}this.cumulativeWeight=s}accumulateAdditive(t){const e=this.buffer,i=this.valueSize,n=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(e,n,0,t,i),this.cumulativeWeightAdditive+=t}apply(t){const e=this.valueSize,i=this.buffer,n=t*e+e,r=this.cumulativeWeight,s=this.cumulativeWeightAdditive,a=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){const t=e*this._origIndex;this._mixBufferRegion(i,n,t,1-r,e)}s>0&&this._mixBufferRegionAdditive(i,n,this._addIndex*e,1,e);for(let t=e,r=e+e;t!==r;++t)if(i[t]!==i[t+e]){a.setValue(i,n);break}}saveOriginalState(){const t=this.binding,e=this.buffer,i=this.valueSize,n=i*this._origIndex;t.getValue(e,n);for(let t=i,r=n;t!==r;++t)e[t]=e[n+t%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const t=3*this.valueSize;this.binding.setValue(this.buffer,t)}_setAdditiveIdentityNumeric(){const t=this._addIndex*this.valueSize,e=t+this.valueSize;for(let i=t;i<e;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const t=this._origIndex*this.valueSize,e=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[e+i]=this.buffer[t+i]}_select(t,e,i,n,r){if(n>=.5)for(let n=0;n!==r;++n)t[e+n]=t[i+n]}_slerp(t,e,i,n){ie.slerpFlat(t,e,t,e,t,i,n)}_slerpAdditive(t,e,i,n,r){const s=this._workIndex*r;ie.multiplyQuaternionsFlat(t,s,t,e,t,i),ie.slerpFlat(t,e,t,e,t,s,n)}_lerp(t,e,i,n,r){const s=1-n;for(let a=0;a!==r;++a){const r=e+a;t[r]=t[r]*s+t[i+a]*n}}_lerpAdditive(t,e,i,n,r){for(let s=0;s!==r;++s){const r=e+s;t[r]=t[r]+t[i+s]*n}}}const ih="\\[\\]\\.:\\/",nh=new RegExp("[\\[\\]\\.:\\/]","g"),rh="[^\\[\\]\\.:\\/]",sh="[^"+ih.replace("\\.","")+"]",ah=new RegExp("^"+/((?:WC+[\/:])*)/.source.replace("WC",rh)+/(WCOD+)?/.source.replace("WCOD",sh)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",rh)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",rh)+"$"),oh=["material","materials","bones","map"];class lh{constructor(t,e,i){this.path=e,this.parsedPath=i||lh.parseTrackName(e),this.node=lh.findNode(t,this.parsedPath.nodeName)||t,this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,e,i){return t&&t.isAnimationObjectGroup?new lh.Composite(t,e,i):new lh(t,e,i)}static sanitizeNodeName(t){return t.replace(/\s/g,"_").replace(nh,"")}static parseTrackName(t){const e=ah.exec(t);if(null===e)throw new Error("PropertyBinding: Cannot parse trackName: "+t);const i={nodeName:e[2],objectName:e[3],objectIndex:e[4],propertyName:e[5],propertyIndex:e[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==n&&-1!==n){const t=i.nodeName.substring(n+1);-1!==oh.indexOf(t)&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=t)}if(null===i.propertyName||0===i.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+t);return i}static findNode(t,e){if(void 0===e||""===e||"."===e||-1===e||e===t.name||e===t.uuid)return t;if(t.skeleton){const i=t.skeleton.getBoneByName(e);if(void 0!==i)return i}if(t.children){const i=function(t){for(let n=0;n<t.length;n++){const r=t[n];if(r.name===e||r.uuid===e)return r;const s=i(r.children);if(s)return s}return null},n=i(t.children);if(n)return n}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(t,e){t[e]=this.targetObject[this.propertyName]}_getValue_array(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)t[e++]=i[n]}_getValue_arrayElement(t,e){t[e]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(t,e){this.resolvedProperty.toArray(t,e)}_setValue_direct(t,e){this.targetObject[this.propertyName]=t[e]}_setValue_direct_setNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(t,e){this.targetObject[this.propertyName]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++]}_setValue_array_setNeedsUpdate(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(t,e){const i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=t[e++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(t,e){this.resolvedProperty[this.propertyIndex]=t[e]}_setValue_arrayElement_setNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty[this.propertyIndex]=t[e],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(t,e){this.resolvedProperty.fromArray(t,e)}_setValue_fromArray_setNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(t,e){this.resolvedProperty.fromArray(t,e),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(t,e){this.bind(),this.getValue(t,e)}_setValue_unbound(t,e){this.bind(),this.setValue(t,e)}bind(){let t=this.node;const e=this.parsedPath,i=e.objectName,n=e.propertyName;let r=e.propertyIndex;if(t||(t=lh.findNode(this.rootNode,e.nodeName)||this.rootNode,this.node=t),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!t)return void console.error("THREE.PropertyBinding: Trying to update node for track: "+this.path+" but it wasn't found.");if(i){let n=e.objectIndex;switch(i){case"materials":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);t=t.material.materials;break;case"bones":if(!t.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);t=t.skeleton.bones;for(let e=0;e<t.length;e++)if(t[e].name===n){n=e;break}break;case"map":if(!t.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!t.material.map)return void console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);t=t.material.map;break;default:if(void 0===t[i])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);t=t[i]}if(void 0!==n){if(void 0===t[n])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,t);t=t[n]}}const s=t[n];if(void 0===s){const i=e.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+i+"."+n+" but it wasn't found.",t)}let a=this.Versioning.None;this.targetObject=t,void 0!==t.needsUpdate?a=this.Versioning.NeedsUpdate:void 0!==t.matrixWorldNeedsUpdate&&(a=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===n){if(!t.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!t.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);void 0!==t.morphTargetDictionary[r]&&(r=t.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=s,this.propertyIndex=r}else void 0!==s.fromArray&&void 0!==s.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=s):Array.isArray(s)?(o=this.BindingType.EntireArray,this.resolvedProperty=s):this.propertyName=n;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][a]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}lh.Composite=class{constructor(t,e,i){const n=i||lh.parseTrackName(e);this._targetGroup=t,this._bindings=t.subscribe_(e,n)}getValue(t,e){this.bind();const i=this._targetGroup.nCachedObjects_,n=this._bindings[i];void 0!==n&&n.getValue(t,e)}setValue(t,e){const i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,r=i.length;n!==r;++n)i[n].setValue(t,e)}bind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].bind()}unbind(){const t=this._bindings;for(let e=this._targetGroup.nCachedObjects_,i=t.length;e!==i;++e)t[e].unbind()}},lh.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},lh.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},lh.prototype.GetterByBindingType=[lh.prototype._getValue_direct,lh.prototype._getValue_array,lh.prototype._getValue_arrayElement,lh.prototype._getValue_toArray],lh.prototype.SetterByBindingTypeAndVersioning=[[lh.prototype._setValue_direct,lh.prototype._setValue_direct_setNeedsUpdate,lh.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[lh.prototype._setValue_array,lh.prototype._setValue_array_setNeedsUpdate,lh.prototype._setValue_array_setMatrixWorldNeedsUpdate],[lh.prototype._setValue_arrayElement,lh.prototype._setValue_arrayElement_setNeedsUpdate,lh.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[lh.prototype._setValue_fromArray,lh.prototype._setValue_fromArray_setNeedsUpdate,lh.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class ch{constructor(t,e,i=null,n=e.blendMode){this._mixer=t,this._clip=e,this._localRoot=i,this.blendMode=n;const r=e.tracks,s=r.length,a=new Array(s),o={endingStart:et,endingEnd:et};for(let t=0;t!==s;++t){const e=r[t].createInterpolant(null);a[t]=e,e.settings=o}this._interpolantSettings=o,this._interpolants=a,this._propertyBindings=new Array(s),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(t){return this._startTime=t,this}setLoop(t,e){return this.loop=t,this.repetitions=e,this}setEffectiveWeight(t){return this.weight=t,this._effectiveWeight=this.enabled?t:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(t){return this._scheduleFading(t,0,1)}fadeOut(t){return this._scheduleFading(t,1,0)}crossFadeFrom(t,e,i){if(t.fadeOut(e),this.fadeIn(e),i){const i=this._clip.duration,n=t._clip.duration,r=n/i,s=i/n;t.warp(1,r,e),this.warp(s,1,e)}return this}crossFadeTo(t,e,i){return t.crossFadeFrom(this,e,i)}stopFading(){const t=this._weightInterpolant;return null!==t&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}setEffectiveTimeScale(t){return this.timeScale=t,this._effectiveTimeScale=this.paused?0:t,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(t){return this.timeScale=this._clip.duration/t,this.stopWarping()}syncWith(t){return this.time=t.time,this.timeScale=t.timeScale,this.stopWarping()}halt(t){return this.warp(this._effectiveTimeScale,0,t)}warp(t,e,i){const n=this._mixer,r=n.time,s=this.timeScale;let a=this._timeScaleInterpolant;null===a&&(a=n._lendControlInterpolant(),this._timeScaleInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=r,o[1]=r+i,l[0]=t/s,l[1]=e/s,this}stopWarping(){const t=this._timeScaleInterpolant;return null!==t&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(t)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(t,e,i,n){if(!this.enabled)return void this._updateWeight(t);const r=this._startTime;if(null!==r){const n=(t-r)*i;n<0||0===i?e=0:(this._startTime=null,e=i*n)}e*=this._updateTimeScale(t);const s=this._updateTime(e),a=this._updateWeight(t);if(a>0){const t=this._interpolants,e=this._propertyBindings;if(this.blendMode===st)for(let i=0,n=t.length;i!==n;++i)t[i].evaluate(s),e[i].accumulateAdditive(a);else for(let i=0,r=t.length;i!==r;++i)t[i].evaluate(s),e[i].accumulate(n,a)}}_updateWeight(t){let e=0;if(this.enabled){e=this.weight;const i=this._weightInterpolant;if(null!==i){const n=i.evaluate(t)[0];e*=n,t>i.parameterPositions[1]&&(this.stopFading(),0===n&&(this.enabled=!1))}}return this._effectiveWeight=e,e}_updateTimeScale(t){let e=0;if(!this.paused){e=this.timeScale;const i=this._timeScaleInterpolant;if(null!==i){e*=i.evaluate(t)[0],t>i.parameterPositions[1]&&(this.stopWarping(),0===e?this.paused=!0:this.timeScale=e)}}return this._effectiveTimeScale=e,e}_updateTime(t){const e=this._clip.duration,i=this.loop;let n=this.time+t,r=this._loopCount;const s=2202===i;if(0===t)return-1===r?n:s&&1==(1&r)?e-n:n;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));t:{if(n>=e)n=e;else{if(!(n<0)){this.time=n;break t}n=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:t<0?-1:1})}}else{if(-1===r&&(t>=0?(r=0,this._setEndings(!0,0===this.repetitions,s)):this._setEndings(0===this.repetitions,!0,s)),n>=e||n<0){const i=Math.floor(n/e);n-=e*i,r+=Math.abs(i);const a=this.repetitions-r;if(a<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=t>0?e:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:t>0?1:-1});else{if(1===a){const e=t<0;this._setEndings(e,!e,s)}else this._setEndings(!1,!1,s);this._loopCount=r,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=n;if(s&&1==(1&r))return e-n}return n}_setEndings(t,e,i){const n=this._interpolantSettings;i?(n.endingStart=it,n.endingEnd=it):(n.endingStart=t?this.zeroSlopeAtStart?it:et:nt,n.endingEnd=e?this.zeroSlopeAtEnd?it:et:nt)}_scheduleFading(t,e,i){const n=this._mixer,r=n.time;let s=this._weightInterpolant;null===s&&(s=n._lendControlInterpolant(),this._weightInterpolant=s);const a=s.parameterPositions,o=s.sampleValues;return a[0]=r,o[0]=e,a[1]=r+t,o[1]=i,this}}const hh=new Float32Array(1);class uh{constructor(t){this.value=t}clone(){return new uh(void 0===this.value.clone?this.value:this.value.clone())}}let dh=0;function ph(t,e){return t.distance-e.distance}function mh(t,e,i,n){if(t.layers.test(e.layers)&&t.raycast(e,i),!0===n){const n=t.children;for(let t=0,r=n.length;t<r;t++)mh(n[t],e,i,!0)}}const fh=new Lt;const gh=new ne,vh=new ne;const xh=new ne;const _h=new ne,yh=new Ne,Mh=new Ne;function bh(t){const e=[];!0===t.isBone&&e.push(t);for(let i=0;i<t.children.length;i++)e.push.apply(e,bh(t.children[i]));return e}const Sh=new ne,wh=new jt,Th=new jt;const Ah=new ne,Eh=new ne,Ch=new ne;const Lh=new ne,Rh=new sn;function Ph(t,e,i,n,r,s,a){Lh.set(r,s,a).unproject(n);const o=e[t];if(void 0!==o){const t=i.getAttribute("position");for(let e=0,i=o.length;e<i;e++)t.setXYZ(o[e],Lh.x,Lh.y,Lh.z)}}const Ih=new ae;const Dh=new ne;let Nh,Oh;const zh=Uh();function Uh(){const t=new ArrayBuffer(4),e=new Float32Array(t),i=new Uint32Array(t),n=new Uint32Array(512),r=new Uint32Array(512);for(let t=0;t<256;++t){const e=t-127;e<-27?(n[t]=0,n[256|t]=32768,r[t]=24,r[256|t]=24):e<-14?(n[t]=1024>>-e-14,n[256|t]=1024>>-e-14|32768,r[t]=-e-1,r[256|t]=-e-1):e<=15?(n[t]=e+15<<10,n[256|t]=e+15<<10|32768,r[t]=13,r[256|t]=13):e<128?(n[t]=31744,n[256|t]=64512,r[t]=24,r[256|t]=24):(n[t]=31744,n[256|t]=64512,r[t]=13,r[256|t]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let t=1;t<1024;++t){let e=t<<13,i=0;for(;0==(8388608&e);)e<<=1,i-=8388608;e&=-8388609,i+=947912704,s[t]=e|i}for(let t=1024;t<2048;++t)s[t]=939524096+(t-1024<<13);for(let t=1;t<31;++t)a[t]=t<<23;a[31]=1199570944,a[32]=2147483648;for(let t=33;t<63;++t)a[t]=2147483648+(t-32<<23);a[63]=3347054592;for(let t=1;t<64;++t)32!==t&&(o[t]=1024);return{floatView:e,uint32View:i,baseTable:n,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}var Bh=Object.freeze({__proto__:null,toHalfFloat:function(t){Math.abs(t)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),t=yt(t,-65504,65504),zh.floatView[0]=t;const e=zh.uint32View[0],i=e>>23&511;return zh.baseTable[i]+((8388607&e)>>zh.shiftTable[i])},fromHalfFloat:function(t){const e=t>>10;return zh.uint32View[0]=zh.mantissaTable[zh.offsetTable[e]+(1023&t)]+zh.exponentTable[e],zh.floatView[0]}});"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:e}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=e),t.ACESFilmicToneMapping=4,t.AddEquation=i,t.AddOperation=2,t.AdditiveAnimationBlendMode=st,t.AdditiveBlending=2,t.AlphaFormat=1021,t.AlwaysDepth=1,t.AlwaysStencilFunc=519,t.AmbientLight=Cc,t.AmbientLightProbe=class extends Pc{constructor(t,e=1){super(void 0,e),this.isAmbientLightProbe=!0;const i=(new jt).set(t);this.sh.coefficients[0].set(i.r,i.g,i.b).multiplyScalar(2*Math.sqrt(Math.PI))}},t.AnimationClip=nc,t.AnimationLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=new uc(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(i){try{e(r.parse(JSON.parse(i)))}catch(e){n?n(e):console.error(e),r.manager.itemError(t)}}),i,n)}parse(t){const e=[];for(let i=0;i<t.length;i++){const n=nc.parse(t[i]);e.push(n)}return e}},t.AnimationMixer=class extends mt{constructor(t){super(),this._root=t,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(t,e){const i=t._localRoot||this._root,n=t._clip.tracks,r=n.length,s=t._propertyBindings,a=t._interpolants,o=i.uuid,l=this._bindingsByRootAndName;let c=l[o];void 0===c&&(c={},l[o]=c);for(let t=0;t!==r;++t){const r=n[t],l=r.name;let h=c[l];if(void 0!==h)++h.referenceCount,s[t]=h;else{if(h=s[t],void 0!==h){null===h._cacheIndex&&(++h.referenceCount,this._addInactiveBinding(h,o,l));continue}const n=e&&e._propertyBindings[t].binding.parsedPath;h=new eh(lh.create(i,l,n),r.ValueTypeName,r.getValueSize()),++h.referenceCount,this._addInactiveBinding(h,o,l),s[t]=h}a[t].resultBuffer=h.buffer}}_activateAction(t){if(!this._isActiveAction(t)){if(null===t._cacheIndex){const e=(t._localRoot||this._root).uuid,i=t._clip.uuid,n=this._actionsByClip[i];this._bindAction(t,n&&n.knownActions[0]),this._addInactiveAction(t,i,e)}const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(t)}}_deactivateAction(t){if(this._isActiveAction(t)){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(t)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const t=this;this.stats={actions:{get total(){return t._actions.length},get inUse(){return t._nActiveActions}},bindings:{get total(){return t._bindings.length},get inUse(){return t._nActiveBindings}},controlInterpolants:{get total(){return t._controlInterpolants.length},get inUse(){return t._nActiveControlInterpolants}}}}_isActiveAction(t){const e=t._cacheIndex;return null!==e&&e<this._nActiveActions}_addInactiveAction(t,e,i){const n=this._actions,r=this._actionsByClip;let s=r[e];if(void 0===s)s={knownActions:[t],actionByRoot:{}},t._byClipCacheIndex=0,r[e]=s;else{const e=s.knownActions;t._byClipCacheIndex=e.length,e.push(t)}t._cacheIndex=n.length,n.push(t),s.actionByRoot[i]=t}_removeInactiveAction(t){const e=this._actions,i=e[e.length-1],n=t._cacheIndex;i._cacheIndex=n,e[n]=i,e.pop(),t._cacheIndex=null;const r=t._clip.uuid,s=this._actionsByClip,a=s[r],o=a.knownActions,l=o[o.length-1],c=t._byClipCacheIndex;l._byClipCacheIndex=c,o[c]=l,o.pop(),t._byClipCacheIndex=null;delete a.actionByRoot[(t._localRoot||this._root).uuid],0===o.length&&delete s[r],this._removeInactiveBindingsForAction(t)}_removeInactiveBindingsForAction(t){const e=t._propertyBindings;for(let t=0,i=e.length;t!==i;++t){const i=e[t];0==--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(t){const e=this._actions,i=t._cacheIndex,n=this._nActiveActions++,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_takeBackAction(t){const e=this._actions,i=t._cacheIndex,n=--this._nActiveActions,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_addInactiveBinding(t,e,i){const n=this._bindingsByRootAndName,r=this._bindings;let s=n[e];void 0===s&&(s={},n[e]=s),s[i]=t,t._cacheIndex=r.length,r.push(t)}_removeInactiveBinding(t){const e=this._bindings,i=t.binding,n=i.rootNode.uuid,r=i.path,s=this._bindingsByRootAndName,a=s[n],o=e[e.length-1],l=t._cacheIndex;o._cacheIndex=l,e[l]=o,e.pop(),delete a[r],0===Object.keys(a).length&&delete s[n]}_lendBinding(t){const e=this._bindings,i=t._cacheIndex,n=this._nActiveBindings++,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_takeBackBinding(t){const e=this._bindings,i=t._cacheIndex,n=--this._nActiveBindings,r=e[n];t._cacheIndex=n,e[n]=t,r._cacheIndex=i,e[i]=r}_lendControlInterpolant(){const t=this._controlInterpolants,e=this._nActiveControlInterpolants++;let i=t[e];return void 0===i&&(i=new Xl(new Float32Array(2),new Float32Array(2),1,hh),i.__cacheIndex=e,t[e]=i),i}_takeBackControlInterpolant(t){const e=this._controlInterpolants,i=t.__cacheIndex,n=--this._nActiveControlInterpolants,r=e[n];t.__cacheIndex=n,e[n]=t,r.__cacheIndex=i,e[i]=r}clipAction(t,e,i){const n=e||this._root,r=n.uuid;let s="string"==typeof t?nc.findByName(n,t):t;const a=null!==s?s.uuid:t,o=this._actionsByClip[a];let l=null;if(void 0===i&&(i=null!==s?s.blendMode:rt),void 0!==o){const t=o.actionByRoot[r];if(void 0!==t&&t.blendMode===i)return t;l=o.knownActions[0],null===s&&(s=l._clip)}if(null===s)return null;const c=new ch(this,s,e,i);return this._bindAction(c,l),this._addInactiveAction(c,a,r),c}existingAction(t,e){const i=e||this._root,n=i.uuid,r="string"==typeof t?nc.findByName(i,t):t,s=r?r.uuid:t,a=this._actionsByClip[s];return void 0!==a&&a.actionByRoot[n]||null}stopAllAction(){const t=this._actions;for(let e=this._nActiveActions-1;e>=0;--e)t[e].stop();return this}update(t){t*=this.timeScale;const e=this._actions,i=this._nActiveActions,n=this.time+=t,r=Math.sign(t),s=this._accuIndex^=1;for(let a=0;a!==i;++a){e[a]._update(n,t,r,s)}const a=this._bindings,o=this._nActiveBindings;for(let t=0;t!==o;++t)a[t].apply(s);return this}setTime(t){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(t)}getRoot(){return this._root}uncacheClip(t){const e=this._actions,i=t.uuid,n=this._actionsByClip,r=n[i];if(void 0!==r){const t=r.knownActions;for(let i=0,n=t.length;i!==n;++i){const n=t[i];this._deactivateAction(n);const r=n._cacheIndex,s=e[e.length-1];n._cacheIndex=null,n._byClipCacheIndex=null,s._cacheIndex=r,e[r]=s,e.pop(),this._removeInactiveBindingsForAction(n)}delete n[i]}}uncacheRoot(t){const e=t.uuid,i=this._actionsByClip;for(const t in i){const n=i[t].actionByRoot[e];void 0!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}const n=this._bindingsByRootAndName[e];if(void 0!==n)for(const t in n){const e=n[t];e.restoreOriginalState(),this._removeInactiveBinding(e)}}uncacheAction(t,e){const i=this.existingAction(t,e);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}},t.AnimationObjectGroup=class{constructor(){this.isAnimationObjectGroup=!0,this.uuid=_t(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const t={};this._indicesByUUID=t;for(let e=0,i=arguments.length;e!==i;++e)t[arguments[e].uuid]=e;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const e=this;this.stats={objects:{get total(){return e._objects.length},get inUse(){return this.total-e.nCachedObjects_}},get bindingsPerObject(){return e._bindings.length}}}add(){const t=this._objects,e=this._indicesByUUID,i=this._paths,n=this._parsedPaths,r=this._bindings,s=r.length;let a,o=t.length,l=this.nCachedObjects_;for(let c=0,h=arguments.length;c!==h;++c){const h=arguments[c],u=h.uuid;let d=e[u];if(void 0===d){d=o++,e[u]=d,t.push(h);for(let t=0,e=s;t!==e;++t)r[t].push(new lh(h,i[t],n[t]))}else if(d<l){a=t[d];const o=--l,c=t[o];e[c.uuid]=d,t[d]=c,e[u]=o,t[o]=h;for(let t=0,e=s;t!==e;++t){const e=r[t],s=e[o];let a=e[d];e[d]=s,void 0===a&&(a=new lh(h,i[t],n[t])),e[o]=a}}else t[d]!==a&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=l}remove(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,n=i.length;let r=this.nCachedObjects_;for(let s=0,a=arguments.length;s!==a;++s){const a=arguments[s],o=a.uuid,l=e[o];if(void 0!==l&&l>=r){const s=r++,c=t[s];e[c.uuid]=l,t[l]=c,e[o]=s,t[s]=a;for(let t=0,e=n;t!==e;++t){const e=i[t],n=e[s],r=e[l];e[l]=n,e[s]=r}}}this.nCachedObjects_=r}uncache(){const t=this._objects,e=this._indicesByUUID,i=this._bindings,n=i.length;let r=this.nCachedObjects_,s=t.length;for(let a=0,o=arguments.length;a!==o;++a){const o=arguments[a].uuid,l=e[o];if(void 0!==l)if(delete e[o],l<r){const a=--r,o=t[a],c=--s,h=t[c];e[o.uuid]=l,t[l]=o,e[h.uuid]=a,t[a]=h,t.pop();for(let t=0,e=n;t!==e;++t){const e=i[t],n=e[a],r=e[c];e[l]=n,e[a]=r,e.pop()}}else{const r=--s,a=t[r];r>0&&(e[a.uuid]=l),t[l]=a,t.pop();for(let t=0,e=n;t!==e;++t){const e=i[t];e[l]=e[r],e.pop()}}}this.nCachedObjects_=r}subscribe_(t,e){const i=this._bindingsIndicesByPath;let n=i[t];const r=this._bindings;if(void 0!==n)return r[n];const s=this._paths,a=this._parsedPaths,o=this._objects,l=o.length,c=this.nCachedObjects_,h=new Array(l);n=r.length,i[t]=n,s.push(t),a.push(e),r.push(h);for(let i=c,n=o.length;i!==n;++i){const n=o[i];h[i]=new lh(n,t,e)}return h}unsubscribe_(t){const e=this._bindingsIndicesByPath,i=e[t];if(void 0!==i){const n=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length-1,o=s[a];e[t[a]]=i,s[i]=o,s.pop(),r[i]=r[a],r.pop(),n[i]=n[a],n.pop()}}},t.AnimationUtils=Wl,t.ArcCurve=ao,t.ArrayCamera=Gs,t.ArrowHelper=class extends si{constructor(t=new ne(0,0,1),e=new ne(0,0,0),i=1,n=16776960,r=.2*i,s=.2*r){super(),this.type="ArrowHelper",void 0===Nh&&(Nh=new Di,Nh.setAttribute("position",new Ti([0,0,0,0,1,0],3)),Oh=new Ro(0,.5,1,5,1),Oh.translate(0,-.5,0)),this.position.copy(e),this.line=new ja(Nh,new Fa({color:n,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ki(Oh,new _i({color:n,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(t),this.setLength(i,r,s)}setDirection(t){if(t.y>.99999)this.quaternion.set(0,0,0,1);else if(t.y<-.99999)this.quaternion.set(1,0,0,0);else{Dh.set(t.z,0,-t.x).normalize();const e=Math.acos(t.y);this.quaternion.setFromAxisAngle(Dh,e)}}setLength(t,e=.2*t,i=.2*e){this.line.scale.set(1,Math.max(1e-4,t-e),1),this.line.updateMatrix(),this.cone.scale.set(i,e,i),this.cone.position.y=t,this.cone.updateMatrix()}setColor(t){this.line.material.color.set(t),this.cone.material.color.set(t)}copy(t){return super.copy(t,!1),this.line.copy(t.line),this.cone.copy(t.cone),this}},t.Audio=Jc,t.AudioAnalyser=class{constructor(t,e=2048){this.analyser=t.context.createAnalyser(),this.analyser.fftSize=e,this.data=new Uint8Array(this.analyser.frequencyBinCount),t.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let t=0;const e=this.getFrequencyData();for(let i=0;i<e.length;i++)t+=e[i];return t/e.length}},t.AudioContext=kc,t.AudioListener=class extends si{constructor(){super(),this.type="AudioListener",this.context=kc.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new Wc}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(t){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=t,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(t){return this.gain.gain.setTargetAtTime(t,this.context.currentTime,.01),this}updateMatrixWorld(t){super.updateMatrixWorld(t);const e=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(qc,Xc,Yc),Zc.set(0,0,-1).applyQuaternion(Xc),e.positionX){const t=this.context.currentTime+this.timeDelta;e.positionX.linearRampToValueAtTime(qc.x,t),e.positionY.linearRampToValueAtTime(qc.y,t),e.positionZ.linearRampToValueAtTime(qc.z,t),e.forwardX.linearRampToValueAtTime(Zc.x,t),e.forwardY.linearRampToValueAtTime(Zc.y,t),e.forwardZ.linearRampToValueAtTime(Zc.z,t),e.upX.linearRampToValueAtTime(i.x,t),e.upY.linearRampToValueAtTime(i.y,t),e.upZ.linearRampToValueAtTime(i.z,t)}else e.setPosition(qc.x,qc.y,qc.z),e.setOrientation(Zc.x,Zc.y,Zc.z,i.x,i.y,i.z)}},t.AudioLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=new uc(this.manager);s.setResponseType("arraybuffer"),s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(t,(function(i){try{const t=i.slice(0);kc.getContext().decodeAudioData(t,(function(t){e(t)}))}catch(e){n?n(e):console.error(e),r.manager.itemError(t)}}),i,n)}},t.AxesHelper=class extends Ya{constructor(t=1){const e=[0,0,0,t,0,0,0,0,0,0,t,0,0,0,0,0,0,t],i=new Di;i.setAttribute("position",new Ti(e,3)),i.setAttribute("color",new Ti([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));super(i,new Fa({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(t,e,i){const n=new jt,r=this.geometry.attributes.color.array;return n.set(t),n.toArray(r,0),n.toArray(r,3),n.set(e),n.toArray(r,6),n.toArray(r,9),n.set(i),n.toArray(r,12),n.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}},t.BackSide=1,t.BasicDepthPacking=3200,t.BasicShadowMap=0,t.Bone=Ca,t.BooleanKeyframeTrack=Jl,t.Box2=class{constructor(t=new Lt(1/0,1/0),e=new Lt(-1/0,-1/0)){this.isBox2=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromPoints(t){this.makeEmpty();for(let e=0,i=t.length;e<i;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const i=fh.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(i),this.max.copy(t).add(i),this}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(t){return this.isEmpty()?t.set(0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}containsPoint(t){return!(t.x<this.min.x||t.x>this.max.x||t.y<this.min.y||t.y>this.max.y)}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(t){return!(t.max.x<this.min.x||t.min.x>this.max.x||t.max.y<this.min.y||t.min.y>this.max.y)}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return fh.copy(t).clamp(this.min,this.max).sub(t).length()}intersect(t){return this.min.max(t.min),this.max.min(t.max),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}},t.Box3=ae,t.Box3Helper=class extends Ya{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new Di;n.setIndex(new bi(i,1)),n.setAttribute("position",new Ti([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(n,new Fa({color:e,toneMapped:!1})),this.box=t,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(t){const e=this.box;e.isEmpty()||(e.getCenter(this.position),e.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(t))}},t.BoxBufferGeometry=class extends Qi{constructor(t,e,i,n,r,s){console.warn("THREE.BoxBufferGeometry has been renamed to THREE.BoxGeometry."),super(t,e,i,n,r,s)}},t.BoxGeometry=Qi,t.BoxHelper=class extends Ya{constructor(t,e=16776960){const i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new Float32Array(24),r=new Di;r.setIndex(new bi(i,1)),r.setAttribute("position",new bi(n,3)),super(r,new Fa({color:e,toneMapped:!1})),this.object=t,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(t){if(void 0!==t&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&Ih.setFromObject(this.object),Ih.isEmpty())return;const e=Ih.min,i=Ih.max,n=this.geometry.attributes.position,r=n.array;r[0]=i.x,r[1]=i.y,r[2]=i.z,r[3]=e.x,r[4]=i.y,r[5]=i.z,r[6]=e.x,r[7]=e.y,r[8]=i.z,r[9]=i.x,r[10]=e.y,r[11]=i.z,r[12]=i.x,r[13]=i.y,r[14]=e.z,r[15]=e.x,r[16]=i.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=i.x,r[22]=e.y,r[23]=e.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(t){return this.object=t,this.update(),this}copy(t,e){return super.copy(t,e),this.object=t.object,this}},t.BufferAttribute=bi,t.BufferGeometry=Di,t.BufferGeometryLoader=Oc,t.ByteType=1010,t.Cache=sc,t.Camera=sn,t.CameraHelper=class extends Ya{constructor(t){const e=new Di,i=new Fa({color:16777215,vertexColors:!0,toneMapped:!1}),n=[],r=[],s={};function a(t,e){o(t),o(e)}function o(t){n.push(0,0,0),r.push(0,0,0),void 0===s[t]&&(s[t]=[]),s[t].push(n.length/3-1)}a("n1","n2"),a("n2","n4"),a("n4","n3"),a("n3","n1"),a("f1","f2"),a("f2","f4"),a("f4","f3"),a("f3","f1"),a("n1","f1"),a("n2","f2"),a("n3","f3"),a("n4","f4"),a("p","n1"),a("p","n2"),a("p","n3"),a("p","n4"),a("u1","u2"),a("u2","u3"),a("u3","u1"),a("c","t"),a("p","c"),a("cn1","cn2"),a("cn3","cn4"),a("cf1","cf2"),a("cf3","cf4"),e.setAttribute("position",new Ti(n,3)),e.setAttribute("color",new Ti(r,3)),super(e,i),this.type="CameraHelper",this.camera=t,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=s,this.update();const l=new jt(16755200),c=new jt(16711680),h=new jt(43775),u=new jt(16777215),d=new jt(3355443);this.setColors(l,c,h,u,d)}setColors(t,e,i,n,r){const s=this.geometry.getAttribute("color");s.setXYZ(0,t.r,t.g,t.b),s.setXYZ(1,t.r,t.g,t.b),s.setXYZ(2,t.r,t.g,t.b),s.setXYZ(3,t.r,t.g,t.b),s.setXYZ(4,t.r,t.g,t.b),s.setXYZ(5,t.r,t.g,t.b),s.setXYZ(6,t.r,t.g,t.b),s.setXYZ(7,t.r,t.g,t.b),s.setXYZ(8,t.r,t.g,t.b),s.setXYZ(9,t.r,t.g,t.b),s.setXYZ(10,t.r,t.g,t.b),s.setXYZ(11,t.r,t.g,t.b),s.setXYZ(12,t.r,t.g,t.b),s.setXYZ(13,t.r,t.g,t.b),s.setXYZ(14,t.r,t.g,t.b),s.setXYZ(15,t.r,t.g,t.b),s.setXYZ(16,t.r,t.g,t.b),s.setXYZ(17,t.r,t.g,t.b),s.setXYZ(18,t.r,t.g,t.b),s.setXYZ(19,t.r,t.g,t.b),s.setXYZ(20,t.r,t.g,t.b),s.setXYZ(21,t.r,t.g,t.b),s.setXYZ(22,t.r,t.g,t.b),s.setXYZ(23,t.r,t.g,t.b),s.setXYZ(24,e.r,e.g,e.b),s.setXYZ(25,e.r,e.g,e.b),s.setXYZ(26,e.r,e.g,e.b),s.setXYZ(27,e.r,e.g,e.b),s.setXYZ(28,e.r,e.g,e.b),s.setXYZ(29,e.r,e.g,e.b),s.setXYZ(30,e.r,e.g,e.b),s.setXYZ(31,e.r,e.g,e.b),s.setXYZ(32,i.r,i.g,i.b),s.setXYZ(33,i.r,i.g,i.b),s.setXYZ(34,i.r,i.g,i.b),s.setXYZ(35,i.r,i.g,i.b),s.setXYZ(36,i.r,i.g,i.b),s.setXYZ(37,i.r,i.g,i.b),s.setXYZ(38,n.r,n.g,n.b),s.setXYZ(39,n.r,n.g,n.b),s.setXYZ(40,r.r,r.g,r.b),s.setXYZ(41,r.r,r.g,r.b),s.setXYZ(42,r.r,r.g,r.b),s.setXYZ(43,r.r,r.g,r.b),s.setXYZ(44,r.r,r.g,r.b),s.setXYZ(45,r.r,r.g,r.b),s.setXYZ(46,r.r,r.g,r.b),s.setXYZ(47,r.r,r.g,r.b),s.setXYZ(48,r.r,r.g,r.b),s.setXYZ(49,r.r,r.g,r.b),s.needsUpdate=!0}update(){const t=this.geometry,e=this.pointMap;Rh.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),Ph("c",e,t,Rh,0,0,-1),Ph("t",e,t,Rh,0,0,1),Ph("n1",e,t,Rh,-1,-1,-1),Ph("n2",e,t,Rh,1,-1,-1),Ph("n3",e,t,Rh,-1,1,-1),Ph("n4",e,t,Rh,1,1,-1),Ph("f1",e,t,Rh,-1,-1,1),Ph("f2",e,t,Rh,1,-1,1),Ph("f3",e,t,Rh,-1,1,1),Ph("f4",e,t,Rh,1,1,1),Ph("u1",e,t,Rh,.7,1.1,-1),Ph("u2",e,t,Rh,-.7,1.1,-1),Ph("u3",e,t,Rh,0,2,-1),Ph("cf1",e,t,Rh,-1,0,1),Ph("cf2",e,t,Rh,1,0,1),Ph("cf3",e,t,Rh,0,-1,1),Ph("cf4",e,t,Rh,0,1,1),Ph("cn1",e,t,Rh,-1,0,-1),Ph("cn2",e,t,Rh,1,0,-1),Ph("cn3",e,t,Rh,0,-1,-1),Ph("cn4",e,t,Rh,0,1,-1),t.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}},t.CanvasTexture=class extends Kt{constructor(t,e,i,n,r,s,a,o,l){super(t,e,i,n,r,s,a,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}},t.CapsuleBufferGeometry=class extends Co{constructor(t,e,i,n){console.warn("THREE.CapsuleBufferGeometry has been renamed to THREE.CapsuleGeometry."),super(t,e,i,n)}},t.CapsuleGeometry=Co,t.CatmullRomCurve3=po,t.CineonToneMapping=3,t.CircleBufferGeometry=class extends Lo{constructor(t,e,i,n){console.warn("THREE.CircleBufferGeometry has been renamed to THREE.CircleGeometry."),super(t,e,i,n)}},t.CircleGeometry=Lo,t.ClampToEdgeWrapping=h,t.Clock=Wc,t.Color=jt,t.ColorKeyframeTrack=Kl,t.ColorManagement=Bt,t.CompressedTexture=no,t.CompressedTextureLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=[],a=new no,o=new uc(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(r.withCredentials);let l=0;function c(c){o.load(t[c],(function(t){const i=r.parse(t,!0);s[c]={width:i.width,height:i.height,format:i.format,mipmaps:i.mipmaps},l+=1,6===l&&(1===i.mipmapCount&&(a.minFilter=f),a.image=s,a.format=i.format,a.needsUpdate=!0,e&&e(a))}),i,n)}if(Array.isArray(t))for(let e=0,i=t.length;e<i;++e)c(e);else o.load(t,(function(t){const i=r.parse(t,!0);if(i.isCubemap){const t=i.mipmaps.length/i.mipmapCount;for(let e=0;e<t;e++){s[e]={mipmaps:[]};for(let t=0;t<i.mipmapCount;t++)s[e].mipmaps.push(i.mipmaps[e*i.mipmapCount+t]),s[e].format=i.format,s[e].width=i.width,s[e].height=i.height}a.image=s}else a.image.width=i.width,a.image.height=i.height,a.mipmaps=i.mipmaps;1===i.mipmapCount&&(a.minFilter=f),a.format=i.format,a.needsUpdate=!0,e&&e(a)}),i,n);return a}},t.ConeBufferGeometry=class extends Po{constructor(t,e,i,n,r,s,a){console.warn("THREE.ConeBufferGeometry has been renamed to THREE.ConeGeometry."),super(t,e,i,n,r,s,a)}},t.ConeGeometry=Po,t.CubeCamera=ln,t.CubeReflectionMapping=r,t.CubeRefractionMapping=s,t.CubeTexture=cn,t.CubeTextureLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=new cn,s=new dc(this.manager);s.setCrossOrigin(this.crossOrigin),s.setPath(this.path);let a=0;function o(i){s.load(t[i],(function(t){r.images[i]=t,a++,6===a&&(r.needsUpdate=!0,e&&e(r))}),void 0,n)}for(let e=0;e<t.length;++e)o(e);return r}},t.CubeUVReflectionMapping=l,t.CubicBezierCurve=vo,t.CubicBezierCurve3=xo,t.CubicInterpolant=ql,t.CullFaceBack=1,t.CullFaceFront=2,t.CullFaceFrontBack=3,t.CullFaceNone=0,t.Curve=ro,t.CurvePath=To,t.CustomBlending=5,t.CustomToneMapping=5,t.CylinderBufferGeometry=class extends Ro{constructor(t,e,i,n,r,s,a,o){console.warn("THREE.CylinderBufferGeometry has been renamed to THREE.CylinderGeometry."),super(t,e,i,n,r,s,a,o)}},t.CylinderGeometry=Ro,t.Cylindrical=class{constructor(t=1,e=0,i=0){return this.radius=t,this.theta=e,this.y=i,this}set(t,e,i){return this.radius=t,this.theta=e,this.y=i,this}copy(t){return this.radius=t.radius,this.theta=t.theta,this.y=t.y,this}setFromVector3(t){return this.setFromCartesianCoords(t.x,t.y,t.z)}setFromCartesianCoords(t,e,i){return this.radius=Math.sqrt(t*t+i*i),this.theta=Math.atan2(t,i),this.y=e,this}clone(){return(new this.constructor).copy(this)}},t.Data3DTexture=ee,t.DataArrayTexture=te,t.DataTexture=La,t.DataTexture2DArray=class extends te{constructor(t,e,i,n){console.warn("THREE.DataTexture2DArray has been renamed to DataArrayTexture."),super(t,e,i,n)}},t.DataTexture3D=class extends ee{constructor(t,e,i,n){console.warn("THREE.DataTexture3D has been renamed to Data3DTexture."),super(t,e,i,n)}},t.DataTextureLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=new La,a=new uc(this.manager);return a.setResponseType("arraybuffer"),a.setRequestHeader(this.requestHeader),a.setPath(this.path),a.setWithCredentials(r.withCredentials),a.load(t,(function(t){const i=r.parse(t);i&&(void 0!==i.image?s.image=i.image:void 0!==i.data&&(s.image.width=i.width,s.image.height=i.height,s.image.data=i.data),s.wrapS=void 0!==i.wrapS?i.wrapS:h,s.wrapT=void 0!==i.wrapT?i.wrapT:h,s.magFilter=void 0!==i.magFilter?i.magFilter:f,s.minFilter=void 0!==i.minFilter?i.minFilter:f,s.anisotropy=void 0!==i.anisotropy?i.anisotropy:1,void 0!==i.encoding&&(s.encoding=i.encoding),void 0!==i.flipY&&(s.flipY=i.flipY),void 0!==i.format&&(s.format=i.format),void 0!==i.type&&(s.type=i.type),void 0!==i.mipmaps&&(s.mipmaps=i.mipmaps,s.minFilter=v),1===i.mipmapCount&&(s.minFilter=f),void 0!==i.generateMipmaps&&(s.generateMipmaps=i.generateMipmaps),s.needsUpdate=!0,e&&e(s,i))}),i,n),s}},t.DataUtils=Bh,t.DecrementStencilOp=7683,t.DecrementWrapStencilOp=34056,t.DefaultLoadingManager=oc,t.DepthFormat=T,t.DepthStencilFormat=A,t.DepthTexture=js,t.DirectionalLight=Ec,t.DirectionalLightHelper=class extends si{constructor(t,e,i){super(),this.light=t,this.light.updateMatrixWorld(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,void 0===e&&(e=1);let n=new Di;n.setAttribute("position",new Ti([-e,e,0,e,e,0,e,-e,0,-e,-e,0,-e,e,0],3));const r=new Fa({fog:!1,toneMapped:!1});this.lightPlane=new ja(n,r),this.add(this.lightPlane),n=new Di,n.setAttribute("position",new Ti([0,0,0,0,0,1],3)),this.targetLine=new ja(n,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){Ah.setFromMatrixPosition(this.light.matrixWorld),Eh.setFromMatrixPosition(this.light.target.matrixWorld),Ch.subVectors(Eh,Ah),this.lightPlane.lookAt(Eh),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(Eh),this.targetLine.scale.z=Ch.length()}},t.DiscreteInterpolant=Yl,t.DodecahedronBufferGeometry=class extends Do{constructor(t,e){console.warn("THREE.DodecahedronBufferGeometry has been renamed to THREE.DodecahedronGeometry."),super(t,e)}},t.DodecahedronGeometry=Do,t.DoubleSide=2,t.DstAlphaFactor=206,t.DstColorFactor=208,t.DynamicCopyUsage=35050,t.DynamicDrawUsage=35048,t.DynamicReadUsage=35049,t.EdgesGeometry=Bo,t.EllipseCurve=so,t.EqualDepth=4,t.EqualStencilFunc=514,t.EquirectangularReflectionMapping=a,t.EquirectangularRefractionMapping=o,t.Euler=We,t.EventDispatcher=mt,t.ExtrudeBufferGeometry=class extends ml{constructor(t,e){console.warn("THREE.ExtrudeBufferGeometry has been renamed to THREE.ExtrudeGeometry."),super(t,e)}},t.ExtrudeGeometry=ml,t.FileLoader=uc,t.Float16BufferAttribute=class extends bi{constructor(t,e,i){super(new Uint16Array(t),e,i),this.isFloat16BufferAttribute=!0}},t.Float32BufferAttribute=Ti,t.Float64BufferAttribute=class extends bi{constructor(t,e,i){super(new Float64Array(t),e,i)}},t.FloatType=M,t.Fog=$s,t.FogExp2=Ks,t.FramebufferTexture=class extends Kt{constructor(t,e,i){super({width:t,height:e}),this.isFramebufferTexture=!0,this.format=i,this.magFilter=d,this.minFilter=d,this.generateMipmaps=!1,this.needsUpdate=!0}},t.FrontSide=0,t.Frustum=vn,t.GLBufferAttribute=class{constructor(t,e,i,n,r){this.isGLBufferAttribute=!0,this.buffer=t,this.type=e,this.itemSize=i,this.elementSize=n,this.count=r,this.version=0}set needsUpdate(t){!0===t&&this.version++}setBuffer(t){return this.buffer=t,this}setType(t,e){return this.type=t,this.elementSize=e,this}setItemSize(t){return this.itemSize=t,this}setCount(t){return this.count=t,this}},t.GLSL1="100",t.GLSL3=dt,t.GreaterDepth=6,t.GreaterEqualDepth=5,t.GreaterEqualStencilFunc=518,t.GreaterStencilFunc=516,t.GridHelper=class extends Ya{constructor(t=10,e=10,i=4473924,n=8947848){i=new jt(i),n=new jt(n);const r=e/2,s=t/e,a=t/2,o=[],l=[];for(let t=0,c=0,h=-a;t<=e;t++,h+=s){o.push(-a,0,h,a,0,h),o.push(h,0,-a,h,0,a);const e=t===r?i:n;e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3,e.toArray(l,c),c+=3}const c=new Di;c.setAttribute("position",new Ti(o,3)),c.setAttribute("color",new Ti(l,3));super(c,new Fa({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}},t.Group=Vs,t.HalfFloatType=b,t.HemisphereLight=mc,t.HemisphereLightHelper=class extends si{constructor(t,e,i){super(),this.light=t,this.light.updateMatrixWorld(),this.matrix=t.matrixWorld,this.matrixAutoUpdate=!1,this.color=i;const n=new vl(e);n.rotateY(.5*Math.PI),this.material=new _i({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);const r=n.getAttribute("position"),s=new Float32Array(3*r.count);n.setAttribute("color",new bi(s,3)),this.add(new Ki(n,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const t=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{const e=t.geometry.getAttribute("color");wh.copy(this.light.color),Th.copy(this.light.groundColor);for(let t=0,i=e.count;t<i;t++){const n=t<i/2?wh:Th;e.setXYZ(t,n.r,n.g,n.b)}e.needsUpdate=!0}t.lookAt(Sh.setFromMatrixPosition(this.light.matrixWorld).negate())}},t.HemisphereLightProbe=class extends Pc{constructor(t,e,i=1){super(void 0,i),this.isHemisphereLightProbe=!0;const n=(new jt).set(t),r=(new jt).set(e),s=new ne(n.r,n.g,n.b),a=new ne(r.r,r.g,r.b),o=Math.sqrt(Math.PI),l=o*Math.sqrt(.75);this.sh.coefficients[0].copy(s).add(a).multiplyScalar(o),this.sh.coefficients[1].copy(s).sub(a).multiplyScalar(l)}},t.IcosahedronBufferGeometry=class extends gl{constructor(t,e){console.warn("THREE.IcosahedronBufferGeometry has been renamed to THREE.IcosahedronGeometry."),super(t,e)}},t.IcosahedronGeometry=gl,t.ImageBitmapLoader=class extends lc{constructor(t){super(t),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(t){return this.options=t,this}load(t,e,i,n){void 0===t&&(t=""),void 0!==this.path&&(t=this.path+t),t=this.manager.resolveURL(t);const r=this,s=sc.get(t);if(void 0!==s)return r.manager.itemStart(t),setTimeout((function(){e&&e(s),r.manager.itemEnd(t)}),0),s;const a={};a.credentials="anonymous"===this.crossOrigin?"same-origin":"include",a.headers=this.requestHeader,fetch(t,a).then((function(t){return t.blob()})).then((function(t){return createImageBitmap(t,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(i){sc.add(t,i),e&&e(i),r.manager.itemEnd(t)})).catch((function(e){n&&n(e),r.manager.itemError(t),r.manager.itemEnd(t)})),r.manager.itemStart(t)}},t.ImageLoader=dc,t.ImageUtils=Xt,t.ImmediateRenderObject=function(){console.error("THREE.ImmediateRenderObject has been removed.")},t.IncrementStencilOp=7682,t.IncrementWrapStencilOp=34055,t.InstancedBufferAttribute=Da,t.InstancedBufferGeometry=Nc,t.InstancedInterleavedBuffer=class extends ta{constructor(t,e,i=1){super(t,e),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(t){return super.copy(t),this.meshPerAttribute=t.meshPerAttribute,this}clone(t){const e=super.clone(t);return e.meshPerAttribute=this.meshPerAttribute,e}toJSON(t){const e=super.toJSON(t);return e.isInstancedInterleavedBuffer=!0,e.meshPerAttribute=this.meshPerAttribute,e}},t.InstancedMesh=Ba,t.Int16BufferAttribute=class extends bi{constructor(t,e,i){super(new Int16Array(t),e,i)}},t.Int32BufferAttribute=class extends bi{constructor(t,e,i){super(new Int32Array(t),e,i)}},t.Int8BufferAttribute=class extends bi{constructor(t,e,i){super(new Int8Array(t),e,i)}},t.IntType=1013,t.InterleavedBuffer=ta,t.InterleavedBufferAttribute=ia,t.Interpolant=jl,t.InterpolateDiscrete=$,t.InterpolateLinear=Q,t.InterpolateSmooth=tt,t.InvertStencilOp=5386,t.KeepStencilOp=ht,t.KeyframeTrack=Zl,t.LOD=Ma,t.LatheBufferGeometry=class extends Eo{constructor(t,e,i,n){console.warn("THREE.LatheBufferGeometry has been renamed to THREE.LatheGeometry."),super(t,e,i,n)}},t.LatheGeometry=Eo,t.Layers=je,t.LessDepth=2,t.LessEqualDepth=3,t.LessEqualStencilFunc=515,t.LessStencilFunc=513,t.Light=pc,t.LightProbe=Pc,t.Line=ja,t.Line3=class{constructor(t=new ne,e=new ne){this.start=t,this.end=e}set(t,e){return this.start.copy(t),this.end.copy(e),this}copy(t){return this.start.copy(t.start),this.end.copy(t.end),this}getCenter(t){return t.addVectors(this.start,this.end).multiplyScalar(.5)}delta(t){return t.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(t,e){return this.delta(e).multiplyScalar(t).add(this.start)}closestPointToPointParameter(t,e){gh.subVectors(t,this.start),vh.subVectors(this.end,this.start);const i=vh.dot(vh);let n=vh.dot(gh)/i;return e&&(n=yt(n,0,1)),n}closestPointToPoint(t,e,i){const n=this.closestPointToPointParameter(t,e);return this.delta(i).multiplyScalar(n).add(this.start)}applyMatrix4(t){return this.start.applyMatrix4(t),this.end.applyMatrix4(t),this}equals(t){return t.start.equals(this.start)&&t.end.equals(this.end)}clone(){return(new this.constructor).copy(this)}},t.LineBasicMaterial=Fa,t.LineCurve=_o,t.LineCurve3=yo,t.LineDashedMaterial=Ul,t.LineLoop=Za,t.LineSegments=Ya,t.LinearEncoding=at,t.LinearFilter=f,t.LinearInterpolant=Xl,t.LinearMipMapLinearFilter=1008,t.LinearMipMapNearestFilter=1007,t.LinearMipmapLinearFilter=v,t.LinearMipmapNearestFilter=g,t.LinearSRGBColorSpace=ct,t.LinearToneMapping=1,t.Loader=lc,t.LoaderUtils=Dc,t.LoadingManager=ac,t.LoopOnce=2200,t.LoopPingPong=2202,t.LoopRepeat=2201,t.LuminanceAlphaFormat=1025,t.LuminanceFormat=1024,t.MOUSE={LEFT:0,MIDDLE:1,RIGHT:2,ROTATE:0,DOLLY:1,PAN:2},t.Material=xi,t.MaterialLoader=Ic,t.MathUtils=Ct,t.Matrix3=Rt,t.Matrix4=Ne,t.MaxEquation=104,t.Mesh=Ki,t.MeshBasicMaterial=_i,t.MeshDepthMaterial=Os,t.MeshDistanceMaterial=zs,t.MeshLambertMaterial=Ol,t.MeshMatcapMaterial=zl,t.MeshNormalMaterial=Nl,t.MeshPhongMaterial=Il,t.MeshPhysicalMaterial=Pl,t.MeshStandardMaterial=Rl,t.MeshToonMaterial=Dl,t.MinEquation=103,t.MirroredRepeatWrapping=u,t.MixOperation=1,t.MultiplyBlending=4,t.MultiplyOperation=0,t.NearestFilter=d,t.NearestMipMapLinearFilter=1005,t.NearestMipMapNearestFilter=1004,t.NearestMipmapLinearFilter=m,t.NearestMipmapNearestFilter=p,t.NeverDepth=0,t.NeverStencilFunc=512,t.NoBlending=0,t.NoColorSpace="",t.NoToneMapping=0,t.NormalAnimationBlendMode=rt,t.NormalBlending=1,t.NotEqualDepth=7,t.NotEqualStencilFunc=517,t.NumberKeyframeTrack=$l,t.Object3D=si,t.ObjectLoader=class extends lc{constructor(t){super(t)}load(t,e,i,n){const r=this,s=""===this.path?Dc.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||s;const a=new uc(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(t,(function(i){let s=null;try{s=JSON.parse(i)}catch(e){return void 0!==n&&n(e),void console.error("THREE:ObjectLoader: Can't parse "+t+".",e.message)}const a=s.metadata;void 0!==a&&void 0!==a.type&&"geometry"!==a.type.toLowerCase()?r.parse(s,e):console.error("THREE.ObjectLoader: Can't load "+t)}),i,n)}async loadAsync(t,e){const i=""===this.path?Dc.extractUrlBase(t):this.path;this.resourcePath=this.resourcePath||i;const n=new uc(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials);const r=await n.loadAsync(t,e),s=JSON.parse(r),a=s.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw new Error("THREE.ObjectLoader: Can't load "+t);return await this.parseAsync(s)}parse(t,e){const i=this.parseAnimations(t.animations),n=this.parseShapes(t.shapes),r=this.parseGeometries(t.geometries,n),s=this.parseImages(t.images,(function(){void 0!==e&&e(l)})),a=this.parseTextures(t.textures,s),o=this.parseMaterials(t.materials,a),l=this.parseObject(t.object,r,o,a,i),c=this.parseSkeletons(t.skeletons,l);if(this.bindSkeletons(l,c),void 0!==e){let t=!1;for(const e in s)if(s[e].data instanceof HTMLImageElement){t=!0;break}!1===t&&e(l)}return l}async parseAsync(t){const e=this.parseAnimations(t.animations),i=this.parseShapes(t.shapes),n=this.parseGeometries(t.geometries,i),r=await this.parseImagesAsync(t.images),s=this.parseTextures(t.textures,r),a=this.parseMaterials(t.materials,s),o=this.parseObject(t.object,n,a,s,e),l=this.parseSkeletons(t.skeletons,o);return this.bindSkeletons(o,l),o}parseShapes(t){const e={};if(void 0!==t)for(let i=0,n=t.length;i<n;i++){const n=(new Fo).fromJSON(t[i]);e[n.uuid]=n}return e}parseSkeletons(t,e){const i={},n={};if(e.traverse((function(t){t.isBone&&(n[t.uuid]=t)})),void 0!==t)for(let e=0,r=t.length;e<r;e++){const r=(new Ia).fromJSON(t[e],n);i[r.uuid]=r}return i}parseGeometries(t,e){const i={};if(void 0!==t){const n=new Oc;for(let r=0,s=t.length;r<s;r++){let s;const a=t[r];switch(a.type){case"BufferGeometry":case"InstancedBufferGeometry":s=n.parse(a);break;default:a.type in El?s=El[a.type].fromJSON(a,e):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${a.type}"`)}s.uuid=a.uuid,void 0!==a.name&&(s.name=a.name),!0===s.isBufferGeometry&&void 0!==a.userData&&(s.userData=a.userData),i[a.uuid]=s}}return i}parseMaterials(t,e){const i={},n={};if(void 0!==t){const r=new Ic;r.setTextures(e);for(let e=0,s=t.length;e<s;e++){const s=t[e];void 0===i[s.uuid]&&(i[s.uuid]=r.parse(s)),n[s.uuid]=i[s.uuid]}}return n}parseAnimations(t){const e={};if(void 0!==t)for(let i=0;i<t.length;i++){const n=t[i],r=nc.parse(n);e[r.uuid]=r}return e}parseImages(t,e){const i=this,n={};let r;function s(t){if("string"==typeof t){const e=t;return function(t){return i.manager.itemStart(t),r.load(t,(function(){i.manager.itemEnd(t)}),void 0,(function(){i.manager.itemError(t),i.manager.itemEnd(t)}))}(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e)}return t.data?{data:Dt(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){const i=new ac(e);r=new dc(i),r.setCrossOrigin(this.crossOrigin);for(let e=0,i=t.length;e<i;e++){const i=t[e],r=i.url;if(Array.isArray(r)){const t=[];for(let e=0,i=r.length;e<i;e++){const i=s(r[e]);null!==i&&(i instanceof HTMLImageElement?t.push(i):t.push(new La(i.data,i.width,i.height)))}n[i.uuid]=new Yt(t)}else{const t=s(i.url);n[i.uuid]=new Yt(t)}}}return n}async parseImagesAsync(t){const e=this,i={};let n;async function r(t){if("string"==typeof t){const i=t,r=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(i)?i:e.resourcePath+i;return await n.loadAsync(r)}return t.data?{data:Dt(t.type,t.data),width:t.width,height:t.height}:null}if(void 0!==t&&t.length>0){n=new dc(this.manager),n.setCrossOrigin(this.crossOrigin);for(let e=0,n=t.length;e<n;e++){const n=t[e],s=n.url;if(Array.isArray(s)){const t=[];for(let e=0,i=s.length;e<i;e++){const i=s[e],n=await r(i);null!==n&&(n instanceof HTMLImageElement?t.push(n):t.push(new La(n.data,n.width,n.height)))}i[n.uuid]=new Yt(t)}else{const t=await r(n.url);i[n.uuid]=new Yt(t)}}}return i}parseTextures(t,e){function i(t,e){return"number"==typeof t?t:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",t),e[t])}const n={};if(void 0!==t)for(let r=0,s=t.length;r<s;r++){const s=t[r];void 0===s.image&&console.warn('THREE.ObjectLoader: No "image" specified for',s.uuid),void 0===e[s.image]&&console.warn("THREE.ObjectLoader: Undefined image",s.image);const a=e[s.image],o=a.data;let l;Array.isArray(o)?(l=new cn,6===o.length&&(l.needsUpdate=!0)):(l=o&&o.data?new La:new Kt,o&&(l.needsUpdate=!0)),l.source=a,l.uuid=s.uuid,void 0!==s.name&&(l.name=s.name),void 0!==s.mapping&&(l.mapping=i(s.mapping,zc)),void 0!==s.offset&&l.offset.fromArray(s.offset),void 0!==s.repeat&&l.repeat.fromArray(s.repeat),void 0!==s.center&&l.center.fromArray(s.center),void 0!==s.rotation&&(l.rotation=s.rotation),void 0!==s.wrap&&(l.wrapS=i(s.wrap[0],Uc),l.wrapT=i(s.wrap[1],Uc)),void 0!==s.format&&(l.format=s.format),void 0!==s.type&&(l.type=s.type),void 0!==s.encoding&&(l.encoding=s.encoding),void 0!==s.minFilter&&(l.minFilter=i(s.minFilter,Bc)),void 0!==s.magFilter&&(l.magFilter=i(s.magFilter,Bc)),void 0!==s.anisotropy&&(l.anisotropy=s.anisotropy),void 0!==s.flipY&&(l.flipY=s.flipY),void 0!==s.premultiplyAlpha&&(l.premultiplyAlpha=s.premultiplyAlpha),void 0!==s.unpackAlignment&&(l.unpackAlignment=s.unpackAlignment),void 0!==s.userData&&(l.userData=s.userData),n[s.uuid]=l}return n}parseObject(t,e,i,n,r){let s,a,o;function l(t){return void 0===e[t]&&console.warn("THREE.ObjectLoader: Undefined geometry",t),e[t]}function c(t){if(void 0!==t){if(Array.isArray(t)){const e=[];for(let n=0,r=t.length;n<r;n++){const r=t[n];void 0===i[r]&&console.warn("THREE.ObjectLoader: Undefined material",r),e.push(i[r])}return e}return void 0===i[t]&&console.warn("THREE.ObjectLoader: Undefined material",t),i[t]}}function h(t){return void 0===n[t]&&console.warn("THREE.ObjectLoader: Undefined texture",t),n[t]}switch(t.type){case"Scene":s=new Qs,void 0!==t.background&&(Number.isInteger(t.background)?s.background=new jt(t.background):s.background=h(t.background)),void 0!==t.environment&&(s.environment=h(t.environment)),void 0!==t.fog&&("Fog"===t.fog.type?s.fog=new $s(t.fog.color,t.fog.near,t.fog.far):"FogExp2"===t.fog.type&&(s.fog=new Ks(t.fog.color,t.fog.density)));break;case"PerspectiveCamera":s=new an(t.fov,t.aspect,t.near,t.far),void 0!==t.focus&&(s.focus=t.focus),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.filmGauge&&(s.filmGauge=t.filmGauge),void 0!==t.filmOffset&&(s.filmOffset=t.filmOffset),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"OrthographicCamera":s=new Rn(t.left,t.right,t.top,t.bottom,t.near,t.far),void 0!==t.zoom&&(s.zoom=t.zoom),void 0!==t.view&&(s.view=Object.assign({},t.view));break;case"AmbientLight":s=new Cc(t.color,t.intensity);break;case"DirectionalLight":s=new Ec(t.color,t.intensity);break;case"PointLight":s=new Tc(t.color,t.intensity,t.distance,t.decay);break;case"RectAreaLight":s=new Lc(t.color,t.intensity,t.width,t.height);break;case"SpotLight":s=new yc(t.color,t.intensity,t.distance,t.angle,t.penumbra,t.decay);break;case"HemisphereLight":s=new mc(t.color,t.groundColor,t.intensity);break;case"LightProbe":s=(new Pc).fromJSON(t);break;case"SkinnedMesh":a=l(t.geometry),o=c(t.material),s=new Ea(a,o),void 0!==t.bindMode&&(s.bindMode=t.bindMode),void 0!==t.bindMatrix&&s.bindMatrix.fromArray(t.bindMatrix),void 0!==t.skeleton&&(s.skeleton=t.skeleton);break;case"Mesh":a=l(t.geometry),o=c(t.material),s=new Ki(a,o);break;case"InstancedMesh":a=l(t.geometry),o=c(t.material);const e=t.count,i=t.instanceMatrix,n=t.instanceColor;s=new Ba(a,o,e),s.instanceMatrix=new Da(new Float32Array(i.array),16),void 0!==n&&(s.instanceColor=new Da(new Float32Array(n.array),n.itemSize));break;case"LOD":s=new Ma;break;case"Line":s=new ja(l(t.geometry),c(t.material));break;case"LineLoop":s=new Za(l(t.geometry),c(t.material));break;case"LineSegments":s=new Ya(l(t.geometry),c(t.material));break;case"PointCloud":case"Points":s=new eo(l(t.geometry),c(t.material));break;case"Sprite":s=new va(c(t.material));break;case"Group":s=new Vs;break;case"Bone":s=new Ca;break;default:s=new si}if(s.uuid=t.uuid,void 0!==t.name&&(s.name=t.name),void 0!==t.matrix?(s.matrix.fromArray(t.matrix),void 0!==t.matrixAutoUpdate&&(s.matrixAutoUpdate=t.matrixAutoUpdate),s.matrixAutoUpdate&&s.matrix.decompose(s.position,s.quaternion,s.scale)):(void 0!==t.position&&s.position.fromArray(t.position),void 0!==t.rotation&&s.rotation.fromArray(t.rotation),void 0!==t.quaternion&&s.quaternion.fromArray(t.quaternion),void 0!==t.scale&&s.scale.fromArray(t.scale)),void 0!==t.castShadow&&(s.castShadow=t.castShadow),void 0!==t.receiveShadow&&(s.receiveShadow=t.receiveShadow),t.shadow&&(void 0!==t.shadow.bias&&(s.shadow.bias=t.shadow.bias),void 0!==t.shadow.normalBias&&(s.shadow.normalBias=t.shadow.normalBias),void 0!==t.shadow.radius&&(s.shadow.radius=t.shadow.radius),void 0!==t.shadow.mapSize&&s.shadow.mapSize.fromArray(t.shadow.mapSize),void 0!==t.shadow.camera&&(s.shadow.camera=this.parseObject(t.shadow.camera))),void 0!==t.visible&&(s.visible=t.visible),void 0!==t.frustumCulled&&(s.frustumCulled=t.frustumCulled),void 0!==t.renderOrder&&(s.renderOrder=t.renderOrder),void 0!==t.userData&&(s.userData=t.userData),void 0!==t.layers&&(s.layers.mask=t.layers),void 0!==t.children){const a=t.children;for(let t=0;t<a.length;t++)s.add(this.parseObject(a[t],e,i,n,r))}if(void 0!==t.animations){const e=t.animations;for(let t=0;t<e.length;t++){const i=e[t];s.animations.push(r[i])}}if("LOD"===t.type){void 0!==t.autoUpdate&&(s.autoUpdate=t.autoUpdate);const e=t.levels;for(let t=0;t<e.length;t++){const i=e[t],n=s.getObjectByProperty("uuid",i.object);void 0!==n&&s.addLevel(n,i.distance)}}return s}bindSkeletons(t,e){0!==Object.keys(e).length&&t.traverse((function(t){if(!0===t.isSkinnedMesh&&void 0!==t.skeleton){const i=e[t.skeleton];void 0===i?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",t.skeleton):t.bind(i,t.bindMatrix)}}))}},t.ObjectSpaceNormalMap=1,t.OctahedronBufferGeometry=class extends vl{constructor(t,e){console.warn("THREE.OctahedronBufferGeometry has been renamed to THREE.OctahedronGeometry."),super(t,e)}},t.OctahedronGeometry=vl,t.OneFactor=201,t.OneMinusDstAlphaFactor=207,t.OneMinusDstColorFactor=209,t.OneMinusSrcAlphaFactor=205,t.OneMinusSrcColorFactor=203,t.OrthographicCamera=Rn,t.PCFShadowMap=1,t.PCFSoftShadowMap=2,t.PMREMGenerator=Fn,t.Path=Ao,t.PerspectiveCamera=an,t.Plane=mn,t.PlaneBufferGeometry=class extends yn{constructor(t,e,i,n){console.warn("THREE.PlaneBufferGeometry has been renamed to THREE.PlaneGeometry."),super(t,e,i,n)}},t.PlaneGeometry=yn,t.PlaneHelper=class extends ja{constructor(t,e=1,i=16776960){const n=i,r=new Di;r.setAttribute("position",new Ti([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),r.computeBoundingSphere(),super(r,new Fa({color:n,toneMapped:!1})),this.type="PlaneHelper",this.plane=t,this.size=e;const s=new Di;s.setAttribute("position",new Ti([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),s.computeBoundingSphere(),this.add(new Ki(s,new _i({color:n,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(t){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(t)}},t.PointLight=Tc,t.PointLightHelper=class extends Ki{constructor(t,e,i){super(new yl(e,4,2),new _i({wireframe:!0,fog:!1,toneMapped:!1})),this.light=t,this.light.updateMatrixWorld(),this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}},t.Points=eo,t.PointsMaterial=Ja,t.PolarGridHelper=class extends Ya{constructor(t=10,e=16,i=8,n=64,r=4473924,s=8947848){r=new jt(r),s=new jt(s);const a=[],o=[];if(e>1)for(let i=0;i<e;i++){const n=i/e*(2*Math.PI),l=Math.sin(n)*t,c=Math.cos(n)*t;a.push(0,0,0),a.push(l,0,c);const h=1&i?r:s;o.push(h.r,h.g,h.b),o.push(h.r,h.g,h.b)}for(let e=0;e<i;e++){const l=1&e?r:s,c=t-t/i*e;for(let t=0;t<n;t++){let e=t/n*(2*Math.PI),i=Math.sin(e)*c,r=Math.cos(e)*c;a.push(i,0,r),o.push(l.r,l.g,l.b),e=(t+1)/n*(2*Math.PI),i=Math.sin(e)*c,r=Math.cos(e)*c,a.push(i,0,r),o.push(l.r,l.g,l.b)}}const l=new Di;l.setAttribute("position",new Ti(a,3)),l.setAttribute("color",new Ti(o,3));super(l,new Fa({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}},t.PolyhedronBufferGeometry=class extends Io{constructor(t,e,i,n){console.warn("THREE.PolyhedronBufferGeometry has been renamed to THREE.PolyhedronGeometry."),super(t,e,i,n)}},t.PolyhedronGeometry=Io,t.PositionalAudio=class extends Jc{constructor(t){super(t),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}disconnect(){super.disconnect(),this.panner.disconnect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(t){return this.panner.refDistance=t,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(t){return this.panner.rolloffFactor=t,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(t){return this.panner.distanceModel=t,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(t){return this.panner.maxDistance=t,this}setDirectionalCone(t,e,i){return this.panner.coneInnerAngle=t,this.panner.coneOuterAngle=e,this.panner.coneOuterGain=i,this}updateMatrixWorld(t){if(super.updateMatrixWorld(t),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(Kc,$c,Qc),th.set(0,0,1).applyQuaternion($c);const e=this.panner;if(e.positionX){const t=this.context.currentTime+this.listener.timeDelta;e.positionX.linearRampToValueAtTime(Kc.x,t),e.positionY.linearRampToValueAtTime(Kc.y,t),e.positionZ.linearRampToValueAtTime(Kc.z,t),e.orientationX.linearRampToValueAtTime(th.x,t),e.orientationY.linearRampToValueAtTime(th.y,t),e.orientationZ.linearRampToValueAtTime(th.z,t)}else e.setPosition(Kc.x,Kc.y,Kc.z),e.setOrientation(th.x,th.y,th.z)}},t.PropertyBinding=lh,t.PropertyMixer=eh,t.QuadraticBezierCurve=Mo,t.QuadraticBezierCurve3=bo,t.Quaternion=ie,t.QuaternionKeyframeTrack=tc,t.QuaternionLinearInterpolant=Ql,t.REVISION=e,t.RGBADepthPacking=3201,t.RGBAFormat=w,t.RGBAIntegerFormat=1033,t.RGBA_ASTC_10x10_Format=Y,t.RGBA_ASTC_10x5_Format=j,t.RGBA_ASTC_10x6_Format=q,t.RGBA_ASTC_10x8_Format=X,t.RGBA_ASTC_12x10_Format=Z,t.RGBA_ASTC_12x12_Format=J,t.RGBA_ASTC_4x4_Format=U,t.RGBA_ASTC_5x4_Format=B,t.RGBA_ASTC_5x5_Format=F,t.RGBA_ASTC_6x5_Format=k,t.RGBA_ASTC_6x6_Format=G,t.RGBA_ASTC_8x5_Format=V,t.RGBA_ASTC_8x6_Format=H,t.RGBA_ASTC_8x8_Format=W,t.RGBA_BPTC_Format=K,t.RGBA_ETC2_EAC_Format=z,t.RGBA_PVRTC_2BPPV1_Format=N,t.RGBA_PVRTC_4BPPV1_Format=D,t.RGBA_S3TC_DXT1_Format=C,t.RGBA_S3TC_DXT3_Format=L,t.RGBA_S3TC_DXT5_Format=R,t.RGBFormat=1022,t.RGB_ETC1_Format=36196,t.RGB_ETC2_Format=O,t.RGB_PVRTC_2BPPV1_Format=I,t.RGB_PVRTC_4BPPV1_Format=P,t.RGB_S3TC_DXT1_Format=E,t.RGFormat=1030,t.RGIntegerFormat=1031,t.RawShaderMaterial=Ll,t.Ray=De,t.Raycaster=class{constructor(t,e,i=0,n=1/0){this.ray=new De(t,e),this.near=i,this.far=n,this.camera=null,this.layers=new je,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(t,e){this.ray.set(t,e)}setFromCamera(t,e){e.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(t.x,t.y,.5).unproject(e).sub(this.ray.origin).normalize(),this.camera=e):e.isOrthographicCamera?(this.ray.origin.set(t.x,t.y,(e.near+e.far)/(e.near-e.far)).unproject(e),this.ray.direction.set(0,0,-1).transformDirection(e.matrixWorld),this.camera=e):console.error("THREE.Raycaster: Unsupported camera type: "+e.type)}intersectObject(t,e=!0,i=[]){return mh(t,this,i,e),i.sort(ph),i}intersectObjects(t,e=!0,i=[]){for(let n=0,r=t.length;n<r;n++)mh(t[n],this,i,e);return i.sort(ph),i}},t.RectAreaLight=Lc,t.RedFormat=1028,t.RedIntegerFormat=1029,t.ReinhardToneMapping=2,t.RepeatWrapping=c,t.ReplaceStencilOp=7681,t.ReverseSubtractEquation=102,t.RingBufferGeometry=class extends xl{constructor(t,e,i,n,r,s){console.warn("THREE.RingBufferGeometry has been renamed to THREE.RingGeometry."),super(t,e,i,n,r,s)}},t.RingGeometry=xl,t.SRGBColorSpace=lt,t.Scene=Qs,t.ShaderChunk=Mn,t.ShaderLib=Sn,t.ShaderMaterial=rn,t.ShadowMaterial=Cl,t.Shape=Fo,t.ShapeBufferGeometry=class extends _l{constructor(t,e){console.warn("THREE.ShapeBufferGeometry has been renamed to THREE.ShapeGeometry."),super(t,e)}},t.ShapeGeometry=_l,t.ShapePath=class{constructor(){this.type="ShapePath",this.color=new jt,this.subPaths=[],this.currentPath=null}moveTo(t,e){return this.currentPath=new Ao,this.subPaths.push(this.currentPath),this.currentPath.moveTo(t,e),this}lineTo(t,e){return this.currentPath.lineTo(t,e),this}quadraticCurveTo(t,e,i,n){return this.currentPath.quadraticCurveTo(t,e,i,n),this}bezierCurveTo(t,e,i,n,r,s){return this.currentPath.bezierCurveTo(t,e,i,n,r,s),this}splineThru(t){return this.currentPath.splineThru(t),this}toShapes(t){function e(t,e){const i=e.length;let n=!1;for(let r=i-1,s=0;s<i;r=s++){let i=e[r],a=e[s],o=a.x-i.x,l=a.y-i.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(i=e[s],o=-o,a=e[r],l=-l),t.y<i.y||t.y>a.y)continue;if(t.y===i.y){if(t.x===i.x)return!0}else{const e=l*(t.x-i.x)-o*(t.y-i.y);if(0===e)return!0;if(e<0)continue;n=!n}}else{if(t.y!==i.y)continue;if(a.x<=t.x&&t.x<=i.x||i.x<=t.x&&t.x<=a.x)return!0}}return n}const i=ul.isClockWise,n=this.subPaths;if(0===n.length)return[];let r,s,a;const o=[];if(1===n.length)return s=n[0],a=new Fo,a.curves=s.curves,o.push(a),o;let l=!i(n[0].getPoints());l=t?!l:l;const c=[],h=[];let u,d,p=[],m=0;h[m]=void 0,p[m]=[];for(let e=0,a=n.length;e<a;e++)s=n[e],u=s.getPoints(),r=i(u),r=t?!r:r,r?(!l&&h[m]&&m++,h[m]={s:new Fo,p:u},h[m].s.curves=s.curves,l&&m++,p[m]=[]):p[m].push({h:s,p:u[0]});if(!h[0])return function(t){const e=[];for(let i=0,n=t.length;i<n;i++){const n=t[i],r=new Fo;r.curves=n.curves,e.push(r)}return e}(n);if(h.length>1){let t=!1,i=0;for(let t=0,e=h.length;t<e;t++)c[t]=[];for(let 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+<script>/**
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+ * Original file: /npm/uevent@2.2.0/browser.js
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+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
  * uevent (v2.2.0)
  * @copyright 2015-2022 Damien "Mistic" Sorel <contact@git.strangeplanet.fr>
  * @licence MIT
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-(function (global, factory) {
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+//# sourceMappingURL=/sm/6e1cf618058ab48868e5db5dfff14558719776929185eb69b3789d1452b3a600.map</script>
+<script>/**
+ * Minified by jsDelivr using Terser v5.14.1.
+ * Original file: /npm/photo-sphere-viewer@4.7.1/dist/photo-sphere-viewer.js
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
 * Photo Sphere Viewer 4.7.1
 * @copyright 2014-2015 Jérémy Heleine
 * @copyright 2015-2022 Damien "Mistic" Sorel
 * @licence MIT (https://opensource.org/licenses/MIT)
 */
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('three'), require('uevent')) :
-  typeof define === 'function' && define.amd ? define(['exports', 'three', 'uevent'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.PhotoSphereViewer = {}, global.THREE, global.uEvent));
-})(this, (function (exports, three, uevent) { 'use strict';
-
-  /**
-   * @summary Custom error used in the lib
-   * @param {string} message
-   * @constructor
-   * @memberOf PSV
-   */
-  function PSVError(message) {
-    this.message = message; // Use V8's native method if available, otherwise fallback
-
-    if ('captureStackTrace' in Error) {
-      Error.captureStackTrace(this, PSVError);
-    } else {
-      this.stack = new Error().stack;
-    }
-  }
-
-  PSVError.prototype = Object.create(Error.prototype);
-  PSVError.prototype.name = 'PSVError';
-  PSVError.prototype.constructor = PSVError;
-
-  /**
-   * @namespace PSV.adapters
-   */
-
-  /**
-   * @summary Base adapters class
-   * @memberof PSV.adapters
-   * @abstract
-   */
-
-  var AbstractAdapter = /*#__PURE__*/function () {
-    /**
-     * @summary Unique identifier of the adapter
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Indicates if the adapter supports panorama download natively
-     * @type {boolean}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Indicated if the adapter can display an additional transparent image above the panorama
-     * @type {boolean}
-     */
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractAdapter(psv) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = psv;
-    }
-    /**
-     * @summary Destroys the adapter
-     */
-
-
-    var _proto = AbstractAdapter.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-    }
-    /**
-     * @summary Indicates if the adapter supports transitions between panoramas
-     * @param {*} panorama
-     * @return {boolean}
-     */
-    ;
-
-    _proto.supportsTransition = function supportsTransition(panorama) {
-      // eslint-disable-line no-unused-vars
-      return false;
-    }
-    /**
-     * @summary Indicates if the adapter supports preload of a panorama
-     * @param {*} panorama
-     * @return {boolean}
-     */
-    ;
-
-    _proto.supportsPreload = function supportsPreload(panorama) {
-      // eslint-disable-line no-unused-vars
-      return false;
-    }
-    /**
-     * @abstract
-     * @summary Loads the panorama texture(s)
-     * @param {*} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @param {boolean} [useXmpPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData, useXmpPanoData) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('loadTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Creates the cube mesh
-     * @param {number} [scale=1]
-     * @returns {external:THREE.Mesh}
-     */
-    ;
-
-    _proto.createMesh = function createMesh(scale) {
-
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('createMesh not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Applies the texture to the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {PSV.TextureData} textureData
-     * @param {boolean} [transition=false]
-     */
-    ;
-
-    _proto.setTexture = function setTexture(mesh, textureData, transition) {
-
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Changes the opacity of the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {number} opacity
-     */
-    ;
-
-    _proto.setTextureOpacity = function setTextureOpacity(mesh, opacity) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setTextureOpacity not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Clear a loaded texture from memory
-     * @param {PSV.TextureData} textureData
-     */
-    ;
-
-    _proto.disposeTexture = function disposeTexture(textureData) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('disposeTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Applies the overlay to the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {PSV.TextureData} textureData
-     * @param {number} opacity
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(mesh, textureData, opacity) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setOverlay not implemented');
-    }
-    /**
-     * @internal
-     */
-    ;
-
-    /**
-     * @internal
-     */
-    AbstractAdapter.createOverlayMaterial = function createOverlayMaterial() {
-      var _uniforms;
-
-      return new three.ShaderMaterial({
-        uniforms: (_uniforms = {}, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.panorama] = {
-          value: new three.Texture()
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.overlay] = {
-          value: new three.Texture()
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity] = {
-          value: 1.0
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity] = {
-          value: 1.0
-        }, _uniforms),
-        vertexShader: "\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix *  modelViewMatrix * vec4( position, 1.0 );\n}",
-        fragmentShader: "\nuniform sampler2D " + AbstractAdapter.OVERLAY_UNIFORMS.panorama + ";\nuniform sampler2D " + AbstractAdapter.OVERLAY_UNIFORMS.overlay + ";\nuniform float " + AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity + ";\nuniform float " + AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity + ";\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec4 tColor1 = texture2D( " + AbstractAdapter.OVERLAY_UNIFORMS.panorama + ", vUv );\n  vec4 tColor2 = texture2D( " + AbstractAdapter.OVERLAY_UNIFORMS.overlay + ", vUv );\n  gl_FragColor = vec4( \n    mix( tColor1.rgb, tColor2.rgb, tColor2.a * " + AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity + " ), \n    " + AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity + "\n  );\n}"
-      });
-    };
-
-    return AbstractAdapter;
-  }();
-  AbstractAdapter.id = null;
-  AbstractAdapter.supportsDownload = false;
-  AbstractAdapter.supportsOverlay = false;
-  AbstractAdapter.OVERLAY_UNIFORMS = {
-    panorama: 'panorama',
-    overlay: 'overlay',
-    globalOpacity: 'globalOpacity',
-    overlayOpacity: 'overlayOpacity'
-  };
-
-  function _defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      Object.defineProperty(target, descriptor.key, descriptor);
-    }
-  }
-
-  function _createClass(Constructor, protoProps, staticProps) {
-    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) _defineProperties(Constructor, staticProps);
-    Object.defineProperty(Constructor, "prototype", {
-      writable: false
-    });
-    return Constructor;
-  }
-
-  function _extends() {
-    _extends = Object.assign ? Object.assign.bind() : function (target) {
-      for (var i = 1; i < arguments.length; i++) {
-        var source = arguments[i];
-
-        for (var key in source) {
-          if (Object.prototype.hasOwnProperty.call(source, key)) {
-            target[key] = source[key];
-          }
-        }
-      }
-
-      return target;
-    };
-    return _extends.apply(this, arguments);
-  }
-
-  function _inheritsLoose(subClass, superClass) {
-    subClass.prototype = Object.create(superClass.prototype);
-    subClass.prototype.constructor = subClass;
-
-    _setPrototypeOf(subClass, superClass);
-  }
-
-  function _setPrototypeOf(o, p) {
-    _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
-      o.__proto__ = p;
-      return o;
-    };
-    return _setPrototypeOf(o, p);
-  }
-
-  function _assertThisInitialized(self) {
-    if (self === void 0) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return self;
-  }
-
-  /**
-   * @namespace PSV.constants
-   */
-
-  /**
-   * @summary Default duration of the transition between panoramas
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-  var DEFAULT_TRANSITION = 1500;
-  /**
-   * @summary Number of pixels bellow which a mouse move will be considered as a click
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var MOVE_THRESHOLD = 4;
-  /**
-   * @summary Delay in milliseconds between two clicks to consider a double click
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var DBLCLICK_DELAY = 300;
-  /**
-   * @summary Delay in milliseconds to emulate a long touch
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var LONGTOUCH_DELAY = 500;
-  /**
-   * @summary Delay in milliseconds to for the two fingers overlay to appear
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var TWOFINGERSOVERLAY_DELAY = 100;
-  /**
-   * @summary Duration in milliseconds of the "ctrl zoom" overlay
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var CTRLZOOM_TIMEOUT = 2000;
-  /**
-   * @summary Time size of the mouse position history used to compute inertia
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var INERTIA_WINDOW = 300;
-  /**
-   * @summary Radius of the THREE.SphereGeometry, Half-length of the THREE.BoxGeometry
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var SPHERE_RADIUS = 10;
-  /**
-   * @summary Property name added to viewer element
-   * @memberOf PSV.constants
-   * @type {string}
-   * @constant
-   */
-
-  var VIEWER_DATA = 'photoSphereViewer';
-  /**
-   * @summary Property added the the main Mesh object
-   * @memberOf PSV.constants
-   * @type {string}
-   * @constant
-   */
-
-  var MESH_USER_DATA = 'psvSphere';
-  /**
-   * @summary Available actions
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var ACTIONS = {
-    ROTATE_LAT_UP: 'rotateLatitudeUp',
-    ROTATE_LAT_DOWN: 'rotateLatitudeDown',
-    ROTATE_LONG_RIGHT: 'rotateLongitudeRight',
-    ROTATE_LONG_LEFT: 'rotateLongitudeLeft',
-    ZOOM_IN: 'zoomIn',
-    ZOOM_OUT: 'zoomOut',
-    TOGGLE_AUTOROTATE: 'toggleAutorotate'
-  };
-  /**
-   * @summary Available events names
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var EVENTS = {
-    /**
-     * @event autorotate
-     * @memberof PSV
-     * @summary Triggered when the automatic rotation is enabled/disabled
-     * @param {boolean} enabled
-     */
-    AUTOROTATE: 'autorotate',
-
-    /**
-     * @event before-render
-     * @memberof PSV
-     * @summary Triggered before a render, used to modify the view
-     * @param {number} timestamp - time provided by requestAnimationFrame
-     * @param {number} elapsed - time elapsed from the previous frame
-     */
-    BEFORE_RENDER: 'before-render',
-
-    /**
-     * @event before-rotate
-     * @memberOf PSV
-     * @summary Triggered before a rotate operation, can be cancelled
-     * @param {PSV.ExtendedPosition}
-     */
-    BEFORE_ROTATE: 'before-rotate',
-
-    /**
-     * @event click
-     * @memberof PSV
-     * @summary Triggered when the user clicks on the viewer (everywhere excluding the navbar and the side panel)
-     * @param {PSV.ClickData} data
-     */
-    CLICK: 'click',
-
-    /**
-     * @event close-panel
-     * @memberof PSV
-     * @summary Triggered when the panel is closed
-     * @param {string} [id]
-     */
-    CLOSE_PANEL: 'close-panel',
-
-    /**
-     * @event config-changed
-     * @memberOf PSV
-     * @summary Triggered after a call to setOption/setOptions
-     * @param {string[]} name of changed options
-     */
-    CONFIG_CHANGED: 'config-changed',
-
-    /**
-     * @event dblclick
-     * @memberof PSV
-     * @summary Triggered when the user double clicks on the viewer. The simple `click` event is always fired before `dblclick`
-     * @param {PSV.ClickData} data
-     */
-    DOUBLE_CLICK: 'dblclick',
-
-    /**
-     * @event fullscreen-updated
-     * @memberof PSV
-     * @summary Triggered when the fullscreen mode is enabled/disabled
-     * @param {boolean} enabled
-     */
-    FULLSCREEN_UPDATED: 'fullscreen-updated',
-
-    /**
-     * @event hide-notification
-     * @memberof PSV
-     * @summary Triggered when the notification is hidden
-     * @param {string} [id]
-     */
-    HIDE_NOTIFICATION: 'hide-notification',
-
-    /**
-     * @event hide-overlay
-     * @memberof PSV
-     * @summary Triggered when the overlay is hidden
-     * @param {string} [id]
-     */
-    HIDE_OVERLAY: 'hide-overlay',
-
-    /**
-     * @event hide-tooltip
-     * @memberof PSV
-     * @summary Triggered when the tooltip is hidden
-     * @param {*} Data associated to this tooltip
-     */
-    HIDE_TOOLTIP: 'hide-tooltip',
-
-    /**
-     * @event key-press
-     * @memberof PSV
-     * @summary Triggered when a key is pressed, can be cancelled
-     * @param {string} key
-     */
-    KEY_PRESS: 'key-press',
-
-    /**
-     * @event load-progress
-     * @memberof PSV
-     * @summary Triggered when the loader value changes
-     * @param {number} value from 0 to 100
-     */
-    LOAD_PROGRESS: 'load-progress',
-
-    /**
-     * @event open-panel
-     * @memberof PSV
-     * @summary Triggered when the panel is opened
-     * @param {string} [id]
-     */
-    OPEN_PANEL: 'open-panel',
-
-    /**
-     * @event panorama-loaded
-     * @memberof PSV
-     * @summary Triggered when a panorama image has been loaded
-     * @param {PSV.TextureData} textureData
-     */
-    PANORAMA_LOADED: 'panorama-loaded',
-
-    /**
-     * @event position-updated
-     * @memberof PSV
-     * @summary Triggered when the view longitude and/or latitude changes
-     * @param {PSV.Position} position
-     */
-    POSITION_UPDATED: 'position-updated',
-
-    /**
-     * @event ready
-     * @memberof PSV
-     * @summary Triggered when the panorama image has been loaded and the viewer is ready to perform the first render
-     */
-    READY: 'ready',
-
-    /**
-     * @event render
-     * @memberof PSV
-     * @summary Triggered on each viewer render, **this event is triggered very often**
-     */
-    RENDER: 'render',
-
-    /**
-     * @event show-notification
-     * @memberof PSV
-     * @summary Triggered when the notification is shown
-     * @param {string} [id]
-     */
-    SHOW_NOTIFICATION: 'show-notification',
-
-    /**
-     * @event show-overlay
-     * @memberof PSV
-     * @summary Triggered when the overlay is shown
-     * @param {string} [id]
-     */
-    SHOW_OVERLAY: 'show-overlay',
-
-    /**
-     * @event show-tooltip
-     * @memberof PSV
-     * @summary Triggered when the tooltip is shown
-     * @param {*} Data associated to this tooltip
-     * @param {PSV.components.Tooltip} Instance of the tooltip
-     */
-    SHOW_TOOLTIP: 'show-tooltip',
-
-    /**
-     * @event size-updated
-     * @memberof PSV
-     * @summary Triggered when the viewer size changes
-     * @param {PSV.Size} size
-     */
-    SIZE_UPDATED: 'size-updated',
-
-    /**
-     * @event stop-all
-     * @memberof PSV
-     * @summary Triggered when all current animations are stopped
-     */
-    STOP_ALL: 'stop-all',
-
-    /**
-     * @event zoom-updated
-     * @memberof PSV
-     * @summary Triggered when the zoom level changes
-     * @param {number} zoomLevel
-     */
-    ZOOM_UPDATED: 'zoom-updated'
-  };
-  /**
-   * @summary Available change events names
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var CHANGE_EVENTS = {
-    /**
-     * @event get-animate-position
-     * @memberof PSV
-     * @param {Position} position
-     * @returns {Position}
-     * @summary Called to alter the target position of an animation
-     */
-    GET_ANIMATE_POSITION: 'get-animate-position',
-
-    /**
-     * @event get-rotate-position
-     * @memberof PSV
-     * @param {Position} position
-     * @returns {Position}
-     * @summary Called to alter the target position of a rotation
-     */
-    GET_ROTATE_POSITION: 'get-rotate-position'
-  };
-  /**
-   * @summary Special events emitted to listener using {@link Viewer#observeObjects}
-   * @memberOf PSV.constants
-   * @constant
-   * @package
-   */
-
-  var OBJECT_EVENTS = {
-    ENTER_OBJECT: 'enter-object',
-    HOVER_OBJECT: 'hover-object',
-    LEAVE_OBJECT: 'leave-object'
-  };
-  /**
-   * @summary Internal identifiers for various stuff
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var IDS = {
-    MENU: 'menu',
-    TWO_FINGERS: 'twoFingers',
-    CTRL_ZOOM: 'ctrlZoom',
-    ERROR: 'error',
-    DESCRIPTION: 'description'
-  };
-  /* eslint-disable */
-  // @formatter:off
-
-  /**
-   * @summary Collection of easing functions
-   * @memberOf PSV.constants
-   * @see {@link https://gist.github.com/frederickk/6165768}
-   * @type {Object<string, Function>}
-   * @constant
-   */
-
-  var EASINGS = {
-    linear: function linear(t) {
-      return t;
-    },
-    inQuad: function inQuad(t) {
-      return t * t;
-    },
-    outQuad: function outQuad(t) {
-      return t * (2 - t);
-    },
-    inOutQuad: function inOutQuad(t) {
-      return t < .5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
-    },
-    inCubic: function inCubic(t) {
-      return t * t * t;
-    },
-    outCubic: function outCubic(t) {
-      return --t * t * t + 1;
-    },
-    inOutCubic: function inOutCubic(t) {
-      return t < .5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1;
-    },
-    inQuart: function inQuart(t) {
-      return t * t * t * t;
-    },
-    outQuart: function outQuart(t) {
-      return 1 - --t * t * t * t;
-    },
-    inOutQuart: function inOutQuart(t) {
-      return t < .5 ? 8 * t * t * t * t : 1 - 8 * --t * t * t * t;
-    },
-    inQuint: function inQuint(t) {
-      return t * t * t * t * t;
-    },
-    outQuint: function outQuint(t) {
-      return 1 + --t * t * t * t * t;
-    },
-    inOutQuint: function inOutQuint(t) {
-      return t < .5 ? 16 * t * t * t * t * t : 1 + 16 * --t * t * t * t * t;
-    },
-    inSine: function inSine(t) {
-      return 1 - Math.cos(t * (Math.PI / 2));
-    },
-    outSine: function outSine(t) {
-      return Math.sin(t * (Math.PI / 2));
-    },
-    inOutSine: function inOutSine(t) {
-      return .5 - .5 * Math.cos(Math.PI * t);
-    },
-    inExpo: function inExpo(t) {
-      return Math.pow(2, 10 * (t - 1));
-    },
-    outExpo: function outExpo(t) {
-      return 1 - Math.pow(2, -10 * t);
-    },
-    inOutExpo: function inOutExpo(t) {
-      return (t = t * 2 - 1) < 0 ? .5 * Math.pow(2, 10 * t) : 1 - .5 * Math.pow(2, -10 * t);
-    },
-    inCirc: function inCirc(t) {
-      return 1 - Math.sqrt(1 - t * t);
-    },
-    outCirc: function outCirc(t) {
-      return Math.sqrt(1 - (t - 1) * (t - 1));
-    },
-    inOutCirc: function inOutCirc(t) {
-      return (t *= 2) < 1 ? .5 - .5 * Math.sqrt(1 - t * t) : .5 + .5 * Math.sqrt(1 - (t -= 2) * t);
-    }
-  }; // @formatter:on
-
-  /* eslint-enable */
-
-  /**
-   * @summary Subset of key codes
-   * @memberOf PSV.constants
-   * @type {Object<string, string>}
-   * @constant
-   */
-
-  var KEY_CODES = {
-    Enter: 'Enter',
-    Control: 'Control',
-    Escape: 'Escape',
-    Space: ' ',
-    PageUp: 'PageUp',
-    PageDown: 'PageDown',
-    ArrowLeft: 'ArrowLeft',
-    ArrowUp: 'ArrowUp',
-    ArrowRight: 'ArrowRight',
-    ArrowDown: 'ArrowDown',
-    Delete: 'Delete',
-    Plus: '+',
-    Minus: '-'
-  };
-
-  var constants = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    DEFAULT_TRANSITION: DEFAULT_TRANSITION,
-    MOVE_THRESHOLD: MOVE_THRESHOLD,
-    DBLCLICK_DELAY: DBLCLICK_DELAY,
-    LONGTOUCH_DELAY: LONGTOUCH_DELAY,
-    TWOFINGERSOVERLAY_DELAY: TWOFINGERSOVERLAY_DELAY,
-    CTRLZOOM_TIMEOUT: CTRLZOOM_TIMEOUT,
-    INERTIA_WINDOW: INERTIA_WINDOW,
-    SPHERE_RADIUS: SPHERE_RADIUS,
-    VIEWER_DATA: VIEWER_DATA,
-    MESH_USER_DATA: MESH_USER_DATA,
-    ACTIONS: ACTIONS,
-    EVENTS: EVENTS,
-    CHANGE_EVENTS: CHANGE_EVENTS,
-    OBJECT_EVENTS: OBJECT_EVENTS,
-    IDS: IDS,
-    EASINGS: EASINGS,
-    KEY_CODES: KEY_CODES
-  });
-
-  var LOCALSTORAGE_TOUCH_SUPPORT = VIEWER_DATA + "_touchSupport";
-  /**
-   * @summary General information about the system
-   * @constant
-   * @memberOf PSV
-   * @property {boolean} loaded - Indicates if the system data has been loaded
-   * @property {Function} load - Loads the system if not already loaded
-   * @property {number} pixelRatio
-   * @property {boolean} isWebGLSupported
-   * @property {number} maxCanvasWidth
-   * @property {string} mouseWheelEvent
-   * @property {string} fullscreenEvent
-   * @property {Function} getMaxCanvasWidth - Returns the max width of a canvas allowed by the browser
-   * @property {{initial: boolean, promise: Promise<boolean>}} isTouchEnabled
-   */
-
-  var SYSTEM = {
-    loaded: false,
-    pixelRatio: 1,
-    isWebGLSupported: false,
-    isTouchEnabled: null,
-    maxTextureWidth: 0,
-    mouseWheelEvent: null,
-    fullscreenEvent: null
-  };
-  /**
-   * @summary Loads the system if not already loaded
-   */
-
-  SYSTEM.load = function () {
-    if (!SYSTEM.loaded) {
-      var ctx = getWebGLCtx();
-      SYSTEM.loaded = true;
-      SYSTEM.pixelRatio = window.devicePixelRatio || 1;
-      SYSTEM.isWebGLSupported = ctx != null;
-      SYSTEM.isTouchEnabled = isTouchEnabled();
-      SYSTEM.maxTextureWidth = getMaxTextureWidth(ctx);
-      SYSTEM.mouseWheelEvent = getMouseWheelEvent();
-      SYSTEM.fullscreenEvent = getFullscreenEvent();
-    }
-  };
-
-  var maxCanvasWidth = null;
-
-  SYSTEM.getMaxCanvasWidth = function () {
-    if (maxCanvasWidth === null) {
-      maxCanvasWidth = getMaxCanvasWidth(SYSTEM.maxTextureWidth);
-    }
-
-    return maxCanvasWidth;
-  };
-  /**
-   * @summary Tries to return a canvas webgl context
-   * @returns {WebGLRenderingContext}
-   * @private
-   */
-
-
-  function getWebGLCtx() {
-    var canvas = document.createElement('canvas');
-    var names = ['webgl', 'experimental-webgl', 'moz-webgl', 'webkit-3d'];
-    var context = null;
-
-    if (!canvas.getContext) {
-      return null;
-    }
-
-    if (names.some(function (name) {
-      try {
-        context = canvas.getContext(name);
-        return context !== null;
-      } catch (e) {
-        return false;
-      }
-    })) {
-      return context;
-    } else {
-      return null;
-    }
-  }
-  /**
-   * @summary Detects if the user is using a touch screen
-   * @returns {{initial: boolean, promise: Promise<boolean>}}
-   * @private
-   */
-
-
-  function isTouchEnabled() {
-    var initial = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
-
-    if (LOCALSTORAGE_TOUCH_SUPPORT in localStorage) {
-      initial = localStorage[LOCALSTORAGE_TOUCH_SUPPORT] === 'true';
-    }
-
-    var promise = new Promise(function (resolve) {
-      var clear;
-
-      var listenerMouse = function listenerMouse() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = false;
-        resolve(false);
-      };
-
-      var listenerTouch = function listenerTouch() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = true;
-        resolve(true);
-      };
-
-      var listenerTimeout = function listenerTimeout() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = initial;
-        resolve(initial);
-      };
-
-      window.addEventListener('mousedown', listenerMouse, false);
-      window.addEventListener('touchstart', listenerTouch, false);
-      var listenerTimeoutId = setTimeout(listenerTimeout, 10000);
-
-      clear = function clear() {
-        window.removeEventListener('mousedown', listenerMouse);
-        window.removeEventListener('touchstart', listenerTouch);
-        clearTimeout(listenerTimeoutId);
-      };
-    });
-    return {
-      initial: initial,
-      promise: promise
-    };
-  }
-  /**
-   * @summary Gets max texture width in WebGL context
-   * @returns {number}
-   * @private
-   */
-
-
-  function getMaxTextureWidth(ctx) {
-    if (ctx !== null) {
-      return ctx.getParameter(ctx.MAX_TEXTURE_SIZE);
-    } else {
-      return 0;
-    }
-  }
-  /**
-   * @summary Gets max canvas width supported by the browser.
-   * We only test powers of 2 and height = width / 2 because that's what we need to generate WebGL textures
-   * @param maxWidth
-   * @return {number}
-   * @private
-   */
-
-
-  function getMaxCanvasWidth(maxWidth) {
-    var canvas = document.createElement('canvas');
-    var ctx = canvas.getContext('2d');
-    canvas.width = maxWidth;
-    canvas.height = maxWidth / 2;
-
-    while (canvas.width > 1024) {
-      ctx.fillStyle = 'white';
-      ctx.fillRect(0, 0, 1, 1);
-
-      try {
-        if (ctx.getImageData(0, 0, 1, 1).data[0] > 0) {
-          return canvas.width;
-        }
-      } catch (e) {// continue
-      }
-
-      canvas.width /= 2;
-      canvas.height /= 2;
-    }
-
-    throw new PSVError('Unable to detect system capabilities');
-  }
-  /**
-   * @summary Gets the event name for mouse wheel
-   * @returns {string}
-   * @private
-   */
-
-
-  function getMouseWheelEvent() {
-    if ('onwheel' in document.createElement('div')) {
-      // Modern browsers support "wheel"
-      return 'wheel';
-    } else if (document.onmousewheel !== undefined) {
-      // Webkit and IE support at least "mousewheel"
-      return 'mousewheel';
-    } else {
-      // let's assume that remaining browsers are older Firefox
-      return 'DOMMouseScroll';
-    }
-  }
-  /**
-   * @summary Map between fullsceen method and fullscreen event name
-   * @type {Object<string, string>}
-   * @readonly
-   * @private
-   */
-
-
-  var FULLSCREEN_EVT_MAP = {
-    exitFullscreen: 'fullscreenchange',
-    webkitExitFullscreen: 'webkitfullscreenchange',
-    mozCancelFullScreen: 'mozfullscreenchange',
-    msExitFullscreen: 'MSFullscreenChange'
-  };
-  /**
-   * @summary  Gets the event name for fullscreen
-   * @returns {string}
-   * @private
-   */
-
-  function getFullscreenEvent() {
-    var validExits = Object.keys(FULLSCREEN_EVT_MAP).filter(function (exit) {
-      return exit in document;
-    });
-
-    if (validExits.length) {
-      return FULLSCREEN_EVT_MAP[validExits[0]];
-    } else {
-      return null;
-    }
-  }
-
-  /**
-   * @summary Toggles a CSS class
-   * @memberOf PSV.utils
-   * @param {HTMLElement|SVGElement} element
-   * @param {string} className
-   * @param {boolean} [active] - forced state
-   */
-  function toggleClass(element, className, active) {
-    if (active === undefined) {
-      element.classList.toggle(className);
-    } else if (active) {
-      element.classList.add(className);
-    } else if (!active) {
-      element.classList.remove(className);
-    }
-  }
-  /**
-   * @summary Adds one or several CSS classes to an element
-   * @memberOf PSV.utils
-   * @param {HTMLElement} element
-   * @param {string} className
-   */
-
-  function addClasses(element, className) {
-    var _element$classList;
-
-    (_element$classList = element.classList).add.apply(_element$classList, className.split(' '));
-  }
-  /**
-   * @summary Removes one or several CSS classes to an element
-   * @memberOf PSV.utils
-   * @param {HTMLElement} element
-   * @param {string} className
-   */
-
-  function removeClasses(element, className) {
-    var _element$classList2;
-
-    (_element$classList2 = element.classList).remove.apply(_element$classList2, className.split(' '));
-  }
-  /**
-   * @summary Searches if an element has a particular parent at any level including itself
-   * @memberOf PSV.utils
-   * @param {HTMLElement} el
-   * @param {HTMLElement} parent
-   * @returns {boolean}
-   */
-
-  function hasParent(el, parent) {
-    var test = el;
-
-    do {
-      if (test === parent) {
-        return true;
-      }
-
-      test = test.parentNode;
-    } while (test);
-
-    return false;
-  }
-  /**
-   * @summary Gets the closest parent (can by itself)
-   * @memberOf PSV.utils
-   * @param {HTMLElement|SVGElement} el
-   * @param {string} selector
-   * @returns {HTMLElement}
-   */
-
-  function getClosest(el, selector) {
-    // When el is document or window, the matches does not exist
-    if (!el.matches) {
-      return null;
-    }
-
-    var test = el;
-
-    do {
-      if (test.matches(selector)) {
-        return test;
-      }
-
-      test = test instanceof SVGElement ? test.parentNode : test.parentElement;
-    } while (test);
-
-    return null;
-  }
-  /**
-   * @summary Gets the position of an element in the viewer without reflow
-   * @description Will gives the same result as getBoundingClientRect() as soon as there are no CSS transforms
-   * @memberOf PSV.utils
-   * @param {HTMLElement} el
-   * @return {{left: number, top: number}}
-   */
-
-  function getPosition(el) {
-    var left = 0;
-    var top = 0;
-    var test = el;
-
-    while (test) {
-      left += test.offsetLeft - test.scrollLeft + test.clientLeft;
-      top += test.offsetTop - test.scrollTop + test.clientTop;
-      test = test.offsetParent;
-    }
-
-    return {
-      left: left,
-      top: top
-    };
-  }
-  /**
-   * @summary Detects if fullscreen is enabled
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   * @returns {boolean}
-   */
-
-  function isFullscreenEnabled(elt) {
-    return (document.fullscreenElement || document.webkitFullscreenElement) === elt;
-  }
-  /**
-   * @summary Enters fullscreen mode
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   */
-
-  function requestFullscreen(elt) {
-    (elt.requestFullscreen || elt.webkitRequestFullscreen).call(elt);
-  }
-  /**
-   * @summary Exits fullscreen mode
-   * @memberOf PSV.utils
-   */
-
-  function exitFullscreen() {
-    (document.exitFullscreen || document.webkitExitFullscreen).call(document);
-  }
-  /**
-   * @summary Gets an element style
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   * @param {string} prop
-   * @returns {*}
-   */
-
-  function getStyle(elt, prop) {
-    return window.getComputedStyle(elt, null)[prop];
-  }
-  /**
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("three"),require("uevent")):"function"==typeof define&&define.amd?define(["exports","three","uevent"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).PhotoSphereViewer={},t.THREE,t.uEvent)}(this,(function(t,e,o){"use strict";function i(t){this.message=t,"captureStackTrace"in Error?Error.captureStackTrace(this,i):this.stack=(new Error).stack}i.prototype=Object.create(Error.prototype),i.prototype.name="PSVError",i.prototype.constructor=i;var n=function(){function t(t){this.psv=t}var o=t.prototype;return o.destroy=function(){delete this.psv},o.supportsTransition=function(t){return!1},o.supportsPreload=function(t){return!1},o.loadTexture=function(t,e,o){throw new i("loadTexture not implemented")},o.createMesh=function(t){throw new i("createMesh not implemented")},o.setTexture=function(t,e,o){throw new i("setTexture not implemented")},o.setTextureOpacity=function(t,e){throw new i("setTextureOpacity not implemented")},o.disposeTexture=function(t){throw new i("disposeTexture not implemented")},o.setOverlay=function(t,e,o){throw new i("setOverlay not implemented")},t.createOverlayMaterial=function(){var o;return new e.ShaderMaterial({uniforms:(o={},o[t.OVERLAY_UNIFORMS.panorama]={value:new e.Texture},o[t.OVERLAY_UNIFORMS.overlay]={value:new e.Texture},o[t.OVERLAY_UNIFORMS.globalOpacity]={value:1},o[t.OVERLAY_UNIFORMS.overlayOpacity]={value:1},o),vertexShader:"\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix *  modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"\nuniform sampler2D "+t.OVERLAY_UNIFORMS.panorama+";\nuniform sampler2D "+t.OVERLAY_UNIFORMS.overlay+";\nuniform float "+t.OVERLAY_UNIFORMS.globalOpacity+";\nuniform float "+t.OVERLAY_UNIFORMS.overlayOpacity+";\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec4 tColor1 = texture2D( "+t.OVERLAY_UNIFORMS.panorama+", vUv );\n  vec4 tColor2 = texture2D( "+t.OVERLAY_UNIFORMS.overlay+", vUv );\n  gl_FragColor = vec4( \n    mix( tColor1.rgb, tColor2.rgb, tColor2.a * "+t.OVERLAY_UNIFORMS.overlayOpacity+" ), \n    "+t.OVERLAY_UNIFORMS.globalOpacity+"\n  );\n}"})},t}();function r(t,e){for(var o=0;o<e.length;o++){var i=e[o];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function s(t,e,o){return e&&r(t.prototype,e),o&&r(t,o),Object.defineProperty(t,"prototype",{writable:!1}),t}function a(){return a=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var o=arguments[e];for(var i in o)Object.prototype.hasOwnProperty.call(o,i)&&(t[i]=o[i])}return t},a.apply(this,arguments)}function c(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,h(t,e)}function h(t,e){return h=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},h(t,e)}function l(t){if(void 0===t)throw new ReferenceError("this hasn't been 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p=10,u="photoSphereViewer",d="psvSphere",v={ROTATE_LAT_UP:"rotateLatitudeUp",ROTATE_LAT_DOWN:"rotateLatitudeDown",ROTATE_LONG_RIGHT:"rotateLongitudeRight",ROTATE_LONG_LEFT:"rotateLongitudeLeft",ZOOM_IN:"zoomIn",ZOOM_OUT:"zoomOut",TOGGLE_AUTOROTATE:"toggleAutorotate"},f={AUTOROTATE:"autorotate",BEFORE_RENDER:"before-render",BEFORE_ROTATE:"before-rotate",CLICK:"click",CLOSE_PANEL:"close-panel",CONFIG_CHANGED:"config-changed",DOUBLE_CLICK:"dblclick",FULLSCREEN_UPDATED:"fullscreen-updated",HIDE_NOTIFICATION:"hide-notification",HIDE_OVERLAY:"hide-overlay",HIDE_TOOLTIP:"hide-tooltip",KEY_PRESS:"key-press",LOAD_PROGRESS:"load-progress",OPEN_PANEL:"open-panel",PANORAMA_LOADED:"panorama-loaded",POSITION_UPDATED:"position-updated",READY:"ready",RENDER:"render",SHOW_NOTIFICATION:"show-notification",SHOW_OVERLAY:"show-overlay",SHOW_TOOLTIP:"show-tooltip",SIZE_UPDATED:"size-updated",STOP_ALL:"stop-all",ZOOM_UPDATED:"zoom-updated"},m={GET_ANIMATE_POSITION:"get-animate-position",GET_ROTATE_POSITION:"get-rotate-position"},g={ENTER_OBJECT:"enter-object",HOVER_OBJECT:"hover-object",LEAVE_OBJECT:"leave-object"},_={MENU:"menu",TWO_FINGERS:"twoFingers",CTRL_ZOOM:"ctrlZoom",ERROR:"error",DESCRIPTION:"description"},w={linear:function(t){return 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Math.sqrt(1-(t-1)*(t-1))},inOutCirc:function(t){return(t*=2)<1?.5-.5*Math.sqrt(1-t*t):.5+.5*Math.sqrt(1-(t-=2)*t)}},y={Enter:"Enter",Control:"Control",Escape:"Escape",Space:" ",PageUp:"PageUp",PageDown:"PageDown",ArrowLeft:"ArrowLeft",ArrowUp:"ArrowUp",ArrowRight:"ArrowRight",ArrowDown:"ArrowDown",Delete:"Delete",Plus:"+",Minus:"-"},E=Object.freeze({__proto__:null,DEFAULT_TRANSITION:1500,MOVE_THRESHOLD:4,DBLCLICK_DELAY:300,LONGTOUCH_DELAY:500,TWOFINGERSOVERLAY_DELAY:100,CTRLZOOM_TIMEOUT:2e3,INERTIA_WINDOW:300,SPHERE_RADIUS:p,VIEWER_DATA:u,MESH_USER_DATA:d,ACTIONS:v,EVENTS:f,CHANGE_EVENTS:m,OBJECT_EVENTS:g,IDS:_,EASINGS:w,KEY_CODES:y}),T=u+"_touchSupport",b={loaded:!1,pixelRatio:1,isWebGLSupported:!1,isTouchEnabled:null,maxTextureWidth:0,mouseWheelEvent:null,fullscreenEvent:null};b.load=function(){if(!b.loaded){var t=function(){var t=document.createElement("canvas"),e=["webgl","experimental-webgl","moz-webgl","webkit-3d"],o=null;if(!t.getContext)return null;return e.some((function(e){try{return null!==(o=t.getContext(e))}catch(t){return!1}}))?o:null}();b.loaded=!0,b.pixelRatio=window.devicePixelRatio||1,b.isWebGLSupported=null!=t,b.isTouchEnabled=function(){var t="ontouchstart"in window||navigator.maxTouchPoints>0;T in localStorage&&(t="true"===localStorage[T]);var e=new Promise((function(e){var o,i=function(){o(),localStorage[T]=!1,e(!1)},n=function(){o(),localStorage[T]=!0,e(!0)},r=function(){o(),localStorage[T]=t,e(t)};window.addEventListener("mousedown",i,!1),window.addEventListener("touchstart",n,!1);var s=setTimeout(r,1e4);o=function(){window.removeEventListener("mousedown",i),window.removeEventListener("touchstart",n),clearTimeout(s)}}));return{initial:t,promise:e}}(),b.maxTextureWidth=function(t){return null!==t?t.getParameter(t.MAX_TEXTURE_SIZE):0}(t),b.mouseWheelEvent="onwheel"in document.createElement("div")?"wheel":void 0!==document.onmousewheel?"mousewheel":"DOMMouseScroll",b.fullscreenEvent=(e=Object.keys(M).filter((function(t){return t in document}))).length?M[e[0]]:null}var e};var O=null;b.getMaxCanvasWidth=function(){return null===O&&(O=function(t){var e=document.createElement("canvas"),o=e.getContext("2d");e.width=t,e.height=t/2;for(;e.width>1024;){o.fillStyle="white",o.fillRect(0,0,1,1);try{if(o.getImageData(0,0,1,1).data[0]>0)return e.width}catch(t){}e.width/=2,e.height/=2}throw new i("Unable to detect system capabilities")}(b.maxTextureWidth)),O};var M={exitFullscreen:"fullscreenchange",webkitExitFullscreen:"webkitfullscreenchange",mozCancelFullScreen:"mozfullscreenchange",msExitFullscreen:"MSFullscreenChange"};function L(t,e,o){void 0===o?t.classList.toggle(e):o?t.classList.add(e):o||t.classList.remove(e)}function x(t,e){var o;(o=t.classList).add.apply(o,e.split(" "))}function C(t,e){if(!t.matches)return null;var o=t;do{if(o.matches(e))return o;o=o instanceof SVGElement?o.parentNode:o.parentElement}while(o);return null}function P(t){for(var e=0,o=0,i=t;i;)e+=i.offsetLeft-i.scrollLeft+i.clientLeft,o+=i.offsetTop-i.scrollTop+i.clientTop,i=i.offsetParent;return{left:e,top:o}}function A(t){return(document.fullscreenElement||document.webkitFullscreenElement)===t}function I(t){(t.requestFullscreen||t.webkitRequestFullscreen).call(t)}function S(){(document.exitFullscreen||document.webkitExitFullscreen).call(document)}function R(t,e){return window.getComputedStyle(t,null)[e]}
+/**
    * @summary Normalize mousewheel values accross browsers
    * @memberOf PSV.utils
    * @description From Facebook's Fixed Data Table
@@ -2171,277 +92,16 @@
    * @copyright Facebook
    * @param {WheelEvent} event
    * @returns {{spinX: number, spinY: number, pixelX: number, pixelY: number}}
-   */
-
-  function normalizeWheel(event) {
-    var PIXEL_STEP = 10;
-    var LINE_HEIGHT = 40;
-    var PAGE_HEIGHT = 800;
-    var spinX = 0;
-    var spinY = 0;
-    var pixelX = 0;
-    var pixelY = 0; // Legacy
-
-    if ('detail' in event) {
-      spinY = event.detail;
-    }
-
-    if ('wheelDelta' in event) {
-      spinY = -event.wheelDelta / 120;
-    }
-
-    if ('wheelDeltaY' in event) {
-      spinY = -event.wheelDeltaY / 120;
-    }
-
-    if ('wheelDeltaX' in event) {
-      spinX = -event.wheelDeltaX / 120;
-    } // side scrolling on FF with DOMMouseScroll
-
-
-    if ('axis' in event && event.axis === event.HORIZONTAL_AXIS) {
-      spinX = spinY;
-      spinY = 0;
-    }
-
-    pixelX = spinX * PIXEL_STEP;
-    pixelY = spinY * PIXEL_STEP;
-
-    if ('deltaY' in event) {
-      pixelY = event.deltaY;
-    }
-
-    if ('deltaX' in event) {
-      pixelX = event.deltaX;
-    }
-
-    if ((pixelX || pixelY) && event.deltaMode) {
-      // delta in LINE units
-      if (event.deltaMode === 1) {
-        pixelX *= LINE_HEIGHT;
-        pixelY *= LINE_HEIGHT;
-      } // delta in PAGE units
-      else {
-        pixelX *= PAGE_HEIGHT;
-        pixelY *= PAGE_HEIGHT;
-      }
-    } // Fall-back if spin cannot be determined
-
-
-    if (pixelX && !spinX) {
-      spinX = pixelX < 1 ? -1 : 1;
-    }
-
-    if (pixelY && !spinY) {
-      spinY = pixelY < 1 ? -1 : 1;
-    }
-
-    return {
-      spinX: spinX,
-      spinY: spinY,
-      pixelX: pixelX,
-      pixelY: pixelY
-    };
-  }
-
-  /**
-   * @deprecated use THREE.MathUtils.clamp
-   */
-
-  function bound(x, min, max) {
-    return three.MathUtils.clamp(x, min, max);
-  }
-  /**
-   * @summary Ensure a value is within 0 and `max`
-   * @param {number} value
-   * @param {number} max
-   * @return {number}
-   */
-
-  function loop(value, max) {
-    var result = value % max;
-
-    if (result < 0) {
-      result += max;
-    }
-
-    return result;
-  }
-  /**
-   * @deprecated Use THREE.MathUtils.isPowerOfTwo
-   */
-
-  function isPowerOfTwo(x) {
-    return three.MathUtils.isPowerOfTwo(x);
-  }
-  /**
-   * @summary Computes the sum of an array
-   * @memberOf PSV.utils
-   * @param {number[]} array
-   * @returns {number}
-   */
-
-  function sum(array) {
-    return array.reduce(function (a, b) {
-      return a + b;
-    }, 0);
-  }
-  /**
-   * @summary Computes the distance between two points
-   * @memberOf PSV.utils
-   * @param {PSV.Point} p1
-   * @param {PSV.Point} p2
-   * @returns {number}
-   */
-
-  function distance(p1, p2) {
-    return Math.sqrt(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2));
-  }
-  /**
-   * @summary Compute the shortest offset between two longitudes
-   * @memberOf PSV.utils
-   * @param {number} from
-   * @param {number} to
-   * @returns {number}
-   */
-
-  function getShortestArc(from, to) {
-    var tCandidates = [0, // direct
-    Math.PI * 2, // clock-wise cross zero
-    -Math.PI * 2 // counter-clock-wise cross zero
-    ];
-    return tCandidates.reduce(function (value, candidate) {
-      var newCandidate = to - from + candidate;
-      return Math.abs(newCandidate) < Math.abs(value) ? newCandidate : value;
-    }, Infinity);
-  }
-  /**
-   * @summary Computes the angle between the current position and a target position
-   * @memberOf PSV.utils
-   * @param {PSV.Position} position1
-   * @param {PSV.Position} position2
-   * @returns {number}
-   */
-
-  function getAngle(position1, position2) {
-    return Math.acos(Math.cos(position1.latitude) * Math.cos(position2.latitude) * Math.cos(position1.longitude - position2.longitude) + Math.sin(position1.latitude) * Math.sin(position2.latitude));
-  }
-  /**
-   * @summary Returns the distance between two points on a sphere of radius one
-   * {@link http://www.movable-type.co.uk/scripts/latlong.html}
-   * @memberOf PSV.utils
-   * @param {number[]} p1
-   * @param {number[]} p2
-   * @returns {number}
-   */
-
-  function greatArcDistance(p1, p2) {
-    var λ1 = p1[0],
-        φ1 = p1[1];
-    var λ2 = p2[0],
-        φ2 = p2[1];
-    var x = (λ2 - λ1) * Math.cos((φ1 + φ2) / 2);
-    var y = φ2 - φ1;
-    return Math.sqrt(x * x + y * y);
-  }
-
-  /**
-   * @summary Transforms a string to dash-case {@link https://github.com/shahata/dasherize}
-   * @memberOf PSV.utils
-   * @param {string} str
-   * @returns {string}
-   */
-  function dasherize(str) {
-    return str.replace(/[A-Z](?:(?=[^A-Z])|[A-Z]*(?=[A-Z][^A-Z]|$))/g, function (s, i) {
-      return (i > 0 ? '-' : '') + s.toLowerCase();
-    });
-  }
-  /**
+   */function k(t){var e=0,o=0,i=0,n=0;return"detail"in t&&(o=t.detail),"wheelDelta"in t&&(o=-t.wheelDelta/120),"wheelDeltaY"in t&&(o=-t.wheelDeltaY/120),"wheelDeltaX"in t&&(e=-t.wheelDeltaX/120),"axis"in t&&t.axis===t.HORIZONTAL_AXIS&&(e=o,o=0),i=10*e,n=10*o,"deltaY"in t&&(n=t.deltaY),"deltaX"in t&&(i=t.deltaX),(i||n)&&t.deltaMode&&(1===t.deltaMode?(i*=40,n*=40):(i*=800,n*=800)),i&&!e&&(e=i<1?-1:1),n&&!o&&(o=n<1?-1:1),{spinX:e,spinY:o,pixelX:i,pixelY:n}}function D(t,e){var o=t%e;return o<0&&(o+=e),o}function N(t,e){return Math.sqrt(Math.pow(t.x-e.x,2)+Math.pow(t.y-e.y,2))}function U(t,e){return[0,2*Math.PI,2*-Math.PI].reduce((function(o,i){var n=e-t+i;return Math.abs(n)<Math.abs(o)?n:o}),1/0)}function H(t,e){return Math.acos(Math.cos(t.latitude)*Math.cos(e.latitude)*Math.cos(t.longitude-e.longitude)+Math.sin(t.latitude)*Math.sin(e.latitude))}function z(t){return t.replace(/[A-Z](?:(?=[^A-Z])|[A-Z]*(?=[A-Z][^A-Z]|$))/g,(function(t,e){return(e>0?"-":"")+t.toLowerCase()}))}
+/**
    * @summary Returns a function, that, when invoked, will only be triggered at most once during a given window of time.
    * @memberOf PSV.utils
    * @copyright underscore.js - modified by Clément Prévost {@link http://stackoverflow.com/a/27078401}
    * @param {Function} func
    * @param {number} wait
    * @returns {Function}
-   */
-
-  function throttle(func, wait) {
-    /* eslint-disable */
-    var self, args, result;
-    var timeout;
-    var previous = 0;
-
-    var later = function later() {
-      previous = Date.now();
-      timeout = undefined;
-      result = func.apply(self, args);
-
-      if (!timeout) {
-        self = args = null;
-      }
-    };
-
-    return function () {
-      var now = Date.now();
-
-      if (!previous) {
-        previous = now;
-      }
-
-      var remaining = wait - (now - previous);
-      self = this;
-      args = arguments;
-
-      if (remaining <= 0 || remaining > wait) {
-        if (timeout) {
-          clearTimeout(timeout);
-          timeout = undefined;
-        }
-
-        previous = now;
-        result = func.apply(self, args);
-
-        if (!timeout) {
-          self = args = null;
-        }
-      } else if (!timeout) {
-        timeout = setTimeout(later, remaining);
-      }
-
-      return result;
-    };
-    /* eslint-enable */
-  }
-  /**
-   * @summary Test if an object is a plain object
-   * @memberOf PSV.utils
-   * @description Test if an object is a plain object, i.e. is constructed
-   * by the built-in Object constructor and inherits directly from Object.prototype
-   * or null. Some built-in objects pass the test, e.g. Math which is a plain object
-   * and some host or exotic objects may pass also.
-   * {@link http://stackoverflow.com/a/5878101/1207670}
-   * @param {*} obj
-   * @returns {boolean}
-   */
-
-  function isPlainObject(obj) {
-    // Basic check for Type object that's not null
-    if (typeof obj === 'object' && obj !== null) {
-      // If Object.getPrototypeOf supported, use it
-      if (typeof Object.getPrototypeOf === 'function') {
-        var proto = Object.getPrototypeOf(obj);
-        return proto === Object.prototype || proto === null;
-      } // Otherwise, use internal class
-      // This should be reliable as if getPrototypeOf not supported, is pre-ES5
-
-
-      return Object.prototype.toString.call(obj) === '[object Object]';
-    } // Not an object
-
-
-    return false;
-  }
-  /**
+   */function F(t,e){var o,i,n,r,s=0,a=function(){s=Date.now(),r=void 0,n=t.apply(o,i),r||(o=i=null)};return function(){var c=Date.now();s||(s=c);var h=e-(c-s);return o=this,i=arguments,h<=0||h>e?(r&&(clearTimeout(r),r=void 0),s=c,n=t.apply(o,i),r||(o=i=null)):r||(r=setTimeout(a,h)),n}}function V(t){if("object"==typeof t&&null!==t){if("function"==typeof Object.getPrototypeOf){var e=Object.getPrototypeOf(t);return e===Object.prototype||null===e}return"[object Object]"===Object.prototype.toString.call(t)}return!1}
+/**
    * @summary Merges the enumerable attributes of two objects
    * @memberOf PSV.utils
    * @description Replaces arrays and alters the target object.
@@ -2449,8422 +109,8 @@
    * @param {Object} target
    * @param {Object} src
    * @returns {Object} target
-   */
-
-  function deepmerge(target, src) {
-    /* eslint-disable */
-    var first = src;
-    return function merge(target, src) {
-      if (Array.isArray(src)) {
-        if (!target || !Array.isArray(target)) {
-          target = [];
-        } else {
-          target.length = 0;
-        }
-
-        src.forEach(function (e, i) {
-          target[i] = merge(null, e);
-        });
-      } else if (typeof src === 'object') {
-        if (!target || Array.isArray(target)) {
-          target = {};
-        }
-
-        Object.keys(src).forEach(function (key) {
-          if (typeof src[key] !== 'object' || !src[key] || !isPlainObject(src[key])) {
-            target[key] = src[key];
-          } else if (src[key] != first) {
-            if (!target[key]) {
-              target[key] = merge(null, src[key]);
-            } else {
-              merge(target[key], src[key]);
-            }
-          }
-        });
-      } else {
-        target = src;
-      }
-
-      return target;
-    }(target, src);
-    /* eslint-enable */
-  }
-  /**
-   * @summary Deeply clones an object
-   * @memberOf PSV.utils
-   * @param {Object} src
-   * @returns {Object}
-   */
-
-  function clone(src) {
-    return deepmerge(null, src);
-  }
-  /**
-   * @summery Test of an object is empty
-   * @memberOf PSV.utils
-   * @param {object} obj
-   * @returns {boolean}
-   */
-
-  function isEmpty(obj) {
-    return !obj || Object.keys(obj).length === 0 && obj.constructor === Object;
-  }
-  /**
-   * @summary Loops over enumerable properties of an object
-   * @memberOf PSV.utils
-   * @param {Object} object
-   * @param {Function} callback
-   */
-
-  function each(object, callback) {
-    Object.keys(object).forEach(function (key) {
-      callback(object[key], key);
-    });
-  }
-  /**
-   * @summary Returns if a valu is null or undefined
-   * @memberOf PSV.utils
-   * @param {*} val
-   * @return {boolean}
-   */
-
-  function isNil(val) {
-    return val === null || val === undefined;
-  }
-  /**
-   * @summary Returns the first non null non undefined parameter
-   * @memberOf PSV.utils
-   * @param {*} values
-   * @return {*}
-   */
-
-  function firstNonNull() {
-    for (var _len = arguments.length, values = new Array(_len), _key = 0; _key < _len; _key++) {
-      values[_key] = arguments[_key];
-    }
-
-    for (var _i = 0, _values = values; _i < _values.length; _i++) {
-      var val = _values[_i];
-
-      if (!isNil(val)) {
-        return val;
-      }
-    }
-
-    return undefined;
-  }
-  /**
-   * @summary Returns deep equality between objects
-   * {@link https://gist.github.com/egardner/efd34f270cc33db67c0246e837689cb9}
-   * @param obj1
-   * @param obj2
-   * @return {boolean}
-   * @private
-   */
-
-  function deepEqual(obj1, obj2) {
-    if (obj1 === obj2) {
-      return true;
-    } else if (isObject(obj1) && isObject(obj2)) {
-      if (Object.keys(obj1).length !== Object.keys(obj2).length) {
-        return false;
-      }
-
-      for (var _i2 = 0, _Object$keys = Object.keys(obj1); _i2 < _Object$keys.length; _i2++) {
-        var prop = _Object$keys[_i2];
-
-        if (!deepEqual(obj1[prop], obj2[prop])) {
-          return false;
-        }
-      }
-
-      return true;
-    } else {
-      return false;
-    }
-  }
-
-  function isObject(obj) {
-    return typeof obj === 'object' && obj != null;
-  }
-
-  /**
-   * @summary Returns the plugin constructor from the imported object
-   * For retrocompatibility with previous default exports
-   * @memberOf PSV.utils
-   * @package
-   */
-
-  function pluginInterop(plugin, target) {
-    if (plugin) {
-      for (var _i = 0, _arr = [['_', plugin]].concat(Object.entries(plugin)); _i < _arr.length; _i++) {
-        var _arr$_i = _arr[_i],
-            p = _arr$_i[1];
-
-        if (p.prototype instanceof target) {
-          return p;
-        }
-      }
-    }
-
-    return null;
-  }
-  /**
-   * @summary Builds an Error with name 'AbortError'
-   * @memberOf PSV.utils
-   * @return {Error}
-   */
-
-  function getAbortError() {
-    var error = new Error('Loading was aborted.');
-    error.name = 'AbortError';
-    return error;
-  }
-  /**
-   * @summary Tests if an Error has name 'AbortError'
-   * @memberOf PSV.utils
-   * @param {Error} err
-   * @return {boolean}
-   */
-
-  function isAbortError(err) {
-    return (err == null ? void 0 : err.name) === 'AbortError';
-  }
-  /**
-   * @summary Displays a warning in the console
-   * @memberOf PSV.utils
-   * @param {string} message
-   */
-
-  function logWarn(message) {
-    console.warn("PhotoSphereViewer: " + message);
-  }
-  /**
-   * @summary Checks if an object is a {PSV.ExtendedPosition}, ie has x/y or longitude/latitude
-   * @memberOf PSV.utils
-   * @param {object} object
-   * @returns {boolean}
-   */
-
-  function isExtendedPosition(object) {
-    return [['x', 'y'], ['longitude', 'latitude']].some(function (_ref) {
-      var key1 = _ref[0],
-          key2 = _ref[1];
-      return object[key1] !== undefined && object[key2] !== undefined;
-    });
-  }
-  /**
-   * @summary Returns the value of a given attribute in the panorama metadata
-   * @memberOf PSV.utils
-   * @param {string} data
-   * @param {string} attr
-   * @returns (number)
-   */
-
-  function getXMPValue(data, attr) {
-    // XMP data are stored in children
-    var result = data.match('<GPano:' + attr + '>(.*)</GPano:' + attr + '>');
-
-    if (result !== null) {
-      var val = parseInt(result[1], 10);
-      return isNaN(val) ? null : val;
-    } // XMP data are stored in attributes
-
-
-    result = data.match('GPano:' + attr + '="(.*?)"');
-
-    if (result !== null) {
-      var _val = parseInt(result[1], 10);
-
-      return isNaN(_val) ? null : _val;
-    }
-
-    return null;
-  }
-  /**
-   * @readonly
-   * @private
-   * @type {{top: string, left: string, bottom: string, center: string, right: string}}
-   */
-
-  var CSS_POSITIONS = {
-    top: '0%',
-    bottom: '100%',
-    left: '0%',
-    right: '100%',
-    center: '50%'
-  };
-  /**
-   * @summary Translate CSS values like "top center" or "10% 50%" as top and left positions
-   * @memberOf PSV.utils
-   * @description The implementation is as close as possible to the "background-position" specification
-   * {@link https://developer.mozilla.org/en-US/docs/Web/CSS/background-position}
-   * @param {string|PSV.Point} value
-   * @returns {PSV.Point}
-   */
-
-  function parsePosition(value) {
-    if (!value) {
-      return {
-        x: 0.5,
-        y: 0.5
-      };
-    }
-
-    if (typeof value === 'object') {
-      return value;
-    }
-
-    var tokens = value.toLocaleLowerCase().split(' ').slice(0, 2);
-
-    if (tokens.length === 1) {
-      if (CSS_POSITIONS[tokens[0]] !== undefined) {
-        tokens = [tokens[0], 'center'];
-      } else {
-        tokens = [tokens[0], tokens[0]];
-      }
-    }
-
-    var xFirst = tokens[1] !== 'left' && tokens[1] !== 'right' && tokens[0] !== 'top' && tokens[0] !== 'bottom';
-    tokens = tokens.map(function (token) {
-      return CSS_POSITIONS[token] || token;
-    });
-
-    if (!xFirst) {
-      tokens.reverse();
-    }
-
-    var parsed = tokens.join(' ').match(/^([0-9.]+)% ([0-9.]+)%$/);
-
-    if (parsed) {
-      return {
-        x: parseFloat(parsed[1]) / 100,
-        y: parseFloat(parsed[2]) / 100
-      };
-    } else {
-      return {
-        x: 0.5,
-        y: 0.5
-      };
-    }
-  }
-  /**
-   * @readonly
-   * @private
-   */
-
-  var LEFT_MAP = {
-    0: 'left',
-    0.5: 'center',
-    1: 'right'
-  };
-  /**
-   * @readonly
-   * @private
-   */
-
-  var TOP_MAP = {
-    0: 'top',
-    0.5: 'center',
-    1: 'bottom'
-  };
-  /**
-   * @summary Parse a CSS-like position into an array of position keywords among top, bottom, left, right and center
-   * @memberOf PSV.utils
-   * @param {string | string[]} value
-   * @param {boolean} [allowCenter=true]
-   * @return {string[]}
-   */
-
-  function cleanPosition(value, allowCenter) {
-    if (allowCenter === void 0) {
-      allowCenter = true;
-    }
-
-    if (typeof value === 'string') {
-      var tempPos = parsePosition(value);
-
-      if (!(tempPos.x in LEFT_MAP) || !(tempPos.y in TOP_MAP)) {
-        throw new PSVError("Unable to parse position \"" + value + "\"");
-      }
-
-      value = [TOP_MAP[tempPos.y], LEFT_MAP[tempPos.x]];
-    }
-
-    if (!allowCenter && value[0] === 'center' && value[1] === 'center') {
-      throw new PSVError('Unable to parse position "center center"');
-    }
-
-    return value;
-  }
-  /**
-   * @summary Parses an speed
-   * @memberOf PSV.utils
-   * @param {string|number} speed - The speed, in radians/degrees/revolutions per second/minute
-   * @returns {number} radians per second
-   * @throws {PSV.PSVError} when the speed cannot be parsed
-   */
-
-  function parseSpeed(speed) {
-    var parsed;
-
-    if (typeof speed === 'string') {
-      var speedStr = speed.toString().trim(); // Speed extraction
-
-      var speedValue = parseFloat(speedStr.replace(/^(-?[0-9]+(?:\.[0-9]*)?).*$/, '$1'));
-      var speedUnit = speedStr.replace(/^-?[0-9]+(?:\.[0-9]*)?(.*)$/, '$1').trim(); // "per minute" -> "per second"
-
-      if (speedUnit.match(/(pm|per minute)$/)) {
-        speedValue /= 60;
-      } // Which unit?
-
-
-      switch (speedUnit) {
-        // Degrees per minute / second
-        case 'dpm':
-        case 'degrees per minute':
-        case 'dps':
-        case 'degrees per second':
-          parsed = three.MathUtils.degToRad(speedValue);
-          break;
-        // Radians per minute / second
-
-        case 'rdpm':
-        case 'radians per minute':
-        case 'rdps':
-        case 'radians per second':
-          parsed = speedValue;
-          break;
-        // Revolutions per minute / second
-
-        case 'rpm':
-        case 'revolutions per minute':
-        case 'rps':
-        case 'revolutions per second':
-          parsed = speedValue * Math.PI * 2;
-          break;
-        // Unknown unit
-
-        default:
-          throw new PSVError('Unknown speed unit "' + speedUnit + '"');
-      }
-    } else {
-      parsed = speed;
-    }
-
-    return parsed;
-  }
-  /**
-   * @summary Parses an angle value in radians or degrees and returns a normalized value in radians
-   * @memberOf PSV.utils
-   * @param {string|number} angle - eg: 3.14, 3.14rad, 180deg
-   * @param {boolean} [zeroCenter=false] - normalize between -Pi - Pi instead of 0 - 2*Pi
-   * @param {boolean} [halfCircle=zeroCenter] - normalize between -Pi/2 - Pi/2 instead of -Pi - Pi
-   * @returns {number}
-   * @throws {PSV.PSVError} when the angle cannot be parsed
-   */
-
-  function parseAngle(angle, zeroCenter, halfCircle) {
-    if (zeroCenter === void 0) {
-      zeroCenter = false;
-    }
-
-    if (halfCircle === void 0) {
-      halfCircle = zeroCenter;
-    }
-
-    var parsed;
-
-    if (typeof angle === 'string') {
-      var match = angle.toLowerCase().trim().match(/^(-?[0-9]+(?:\.[0-9]*)?)(.*)$/);
-
-      if (!match) {
-        throw new PSVError('Unknown angle "' + angle + '"');
-      }
-
-      var value = parseFloat(match[1]);
-      var unit = match[2];
-
-      if (unit) {
-        switch (unit) {
-          case 'deg':
-          case 'degs':
-            parsed = three.MathUtils.degToRad(value);
-            break;
-
-          case 'rad':
-          case 'rads':
-            parsed = value;
-            break;
-
-          default:
-            throw new PSVError('Unknown angle unit "' + unit + '"');
-        }
-      } else {
-        parsed = value;
-      }
-    } else if (typeof angle === 'number' && !isNaN(angle)) {
-      parsed = angle;
-    } else {
-      throw new PSVError('Unknown angle "' + angle + '"');
-    }
-
-    parsed = loop(zeroCenter ? parsed + Math.PI : parsed, Math.PI * 2);
-    return zeroCenter ? three.MathUtils.clamp(parsed - Math.PI, -Math.PI / (halfCircle ? 2 : 1), Math.PI / (halfCircle ? 2 : 1)) : parsed;
-  }
-  /**
-   * @summary Creates a THREE texture from an image
-   * @memberOf PSV.utils
-   * @param {HTMLImageElement | HTMLCanvasElement} img
-   * @return {external:THREE.Texture}
-   */
-
-  function createTexture(img) {
-    var texture = new three.Texture(img);
-    texture.needsUpdate = true;
-    texture.minFilter = three.LinearFilter;
-    texture.generateMipmaps = false;
-    return texture;
-  }
-  var quaternion = new three.Quaternion();
-  /**
-   * @summary Applies the inverse of Euler angles to a vector
-   * @memberOf PSV.utils
-   * @param {external:THREE.Vector3} vector
-   * @param {external:THREE.Euler} euler
-   */
-
-  function applyEulerInverse(vector, euler) {
-    quaternion.setFromEuler(euler).invert();
-    vector.applyQuaternion(quaternion);
-  }
-
-  /**
-   * @callback OnTick
-   * @summary Function called for each animation frame with computed properties
-   * @memberOf PSV.utils.Animation
-   * @param {Object.<string, number>} properties - current values
-   * @param {float} progress - 0 to 1
-   */
-
-  /**
-   * @summary Interpolation helper for animations
-   * @memberOf PSV.utils
-   * @description
-   * Implements the Promise API with an additional "cancel" method.
-   * The promise is resolved with `true` when the animation is completed and `false` if the animation is cancelled.
-   * @example
-   * const anim = new Animation({
-   *     properties: {
-   *         width: {start: 100, end: 200}
-   *     },
-   *     duration: 5000,
-   *     onTick: (properties) => element.style.width = `${properties.width}px`;
-   * });
-   *
-   * anim.then((completed) => ...);
-   *
-   * anim.cancel()
-   */
-
-  var Animation = /*#__PURE__*/function () {
-    /**
-     * @param {Object} options
-     * @param {Object.<string, Object>} options.properties
-     * @param {number} options.properties[].start
-     * @param {number} options.properties[].end
-     * @param {number} options.duration
-     * @param {number} [options.delay=0]
-     * @param {string} [options.easing='linear']
-     * @param {PSV.utils.Animation.OnTick} options.onTick - called on each frame
-     */
-    function Animation(options) {
-      var _this = this;
-
-      this.__callbacks = [];
-
-      if (options) {
-        if (!options.easing || typeof options.easing === 'string') {
-          options.easing = EASINGS[options.easing || 'linear'];
-        }
-
-        this.__start = null;
-        this.options = options;
-
-        if (options.delay) {
-          this.__delayTimeout = setTimeout(function () {
-            _this.__delayTimeout = null;
-            _this.__animationFrame = window.requestAnimationFrame(function (t) {
-              return _this.__run(t);
-            });
-          }, options.delay);
-        } else {
-          this.__animationFrame = window.requestAnimationFrame(function (t) {
-            return _this.__run(t);
-          });
-        }
-      } else {
-        this.__resolved = true;
-      }
-    }
-    /**
-     * @summary Main loop for the animation
-     * @param {number} timestamp
-     * @private
-     */
-
-
-    var _proto = Animation.prototype;
-
-    _proto.__run = function __run(timestamp) {
-      var _this2 = this;
-
-      // first iteration
-      if (this.__start === null) {
-        this.__start = timestamp;
-      } // compute progress
-
-
-      var progress = (timestamp - this.__start) / this.options.duration;
-      var current = {};
-
-      if (progress < 1.0) {
-        // interpolate properties
-        each(this.options.properties, function (prop, name) {
-          if (prop) {
-            current[name] = prop.start + (prop.end - prop.start) * _this2.options.easing(progress);
-          }
-        });
-        this.options.onTick(current, progress);
-        this.__animationFrame = window.requestAnimationFrame(function (t) {
-          return _this2.__run(t);
-        });
-      } else {
-        // call onTick one last time with final values
-        each(this.options.properties, function (prop, name) {
-          if (prop) {
-            current[name] = prop.end;
-          }
-        });
-        this.options.onTick(current, 1.0);
-        this.__animationFrame = window.requestAnimationFrame(function () {
-          _this2.__resolved = true;
-
-          _this2.__resolve(true);
-        });
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__resolve = function __resolve(value) {
-      this.__callbacks.forEach(function (cb) {
-        return cb(value);
-      });
-
-      this.__callbacks.length = 0;
-    }
-    /**
-     * @summary Promise chaining
-     * @param {Function} [onFulfilled] - Called when the animation is complete (true) or cancelled (false)
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.then = function then(onFulfilled) {
-      var _this3 = this;
-
-      if (this.__resolved || this.__cancelled) {
-        return Promise.resolve(this.__resolved).then(onFulfilled);
-      }
-
-      return new Promise(function (resolve) {
-        _this3.__callbacks.push(resolve);
-      }).then(onFulfilled);
-    }
-    /**
-     * @summary Cancels the animation
-     */
-    ;
-
-    _proto.cancel = function cancel() {
-      if (!this.__cancelled && !this.__resolved) {
-        this.__cancelled = true;
-
-        this.__resolve(false);
-
-        if (this.__delayTimeout) {
-          window.clearTimeout(this.__delayTimeout);
-          this.__delayTimeout = null;
-        }
-
-        if (this.__animationFrame) {
-          window.cancelAnimationFrame(this.__animationFrame);
-          this.__animationFrame = null;
-        }
-      }
-    };
-
-    return Animation;
-  }();
-
-  /**
-   * @summary Represents a variable that can dynamically change with time (using requestAnimationFrame)
-   * @memberOf PSV.utils
-   */
-
-  var Dynamic = /*#__PURE__*/function () {
-    /**
-     * @param {Function} [fn] Callback function
-     * @param {number} [defaultValue] Default position
-     * @param {number} [min] Minimum position
-     * @param {number} [max] Maximum position
-     * @param {boolean} [loopValue] Loop value between min and max
-     */
-    function Dynamic(fn, defaultValue, min, max, loopValue) {
-      if (defaultValue === void 0) {
-        defaultValue = 0;
-      }
-
-      if (min === void 0) {
-        min = -Infinity;
-      }
-
-      if (max === void 0) {
-        max = Infinity;
-      }
-
-      if (loopValue === void 0) {
-        loopValue = false;
-      }
-
-      /**
-       * @type {Function}
-       * @private
-       * @readonly
-       */
-      this.fn = fn;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.mode = Dynamic.STOP;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.speed = 0;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.speedMult = 1;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.currentSpeed = 0;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.target = 0;
-      /**
-       * @type {number}
-       * @readonly
-       */
-
-      this.current = defaultValue;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.min = min;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.max = max;
-      /**
-       * @type {boolean}
-       * @private
-       */
-
-      this.loopValue = loopValue;
-
-      if (loopValue && min !== 0) {
-        throw new PSVError('invalid config');
-      }
-
-      if (this.fn) {
-        this.fn(defaultValue);
-      }
-    }
-    /**
-     * Changes base speed
-     * @param {number} speed
-     */
-
-
-    var _proto = Dynamic.prototype;
-
-    _proto.setSpeed = function setSpeed(speed) {
-      this.speed = speed;
-    }
-    /**
-     * Defines the target position
-     * @param {number} position
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.goto = function goto(position, speedMult) {
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      this.mode = Dynamic.POSITION;
-      this.target = this.loopValue ? loop(position, this.max) : three.MathUtils.clamp(position, this.min, this.max);
-      this.speedMult = speedMult;
-    }
-    /**
-     * Increase/decrease the target position
-     * @param {number} step
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.step = function step(_step, speedMult) {
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      if (this.mode !== Dynamic.POSITION) {
-        this.target = this.current;
-      }
-
-      this.goto(this.target + _step, speedMult);
-    }
-    /**
-     * Starts infinite movement
-     * @param {boolean} [invert=false]
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.roll = function roll(invert, speedMult) {
-      if (invert === void 0) {
-        invert = false;
-      }
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      this.mode = Dynamic.INFINITE;
-      this.target = invert ? -Infinity : Infinity;
-      this.speedMult = speedMult;
-    }
-    /**
-     * Stops movement
-     */
-    ;
-
-    _proto.stop = function stop() {
-      this.mode = Dynamic.STOP;
-    }
-    /**
-     * Defines the current position and immediately stops movement
-     * @param {number} value
-     */
-    ;
-
-    _proto.setValue = function setValue(value) {
-      this.target = this.loopValue ? loop(value, this.max) : three.MathUtils.clamp(value, this.min, this.max);
-      this.mode = Dynamic.STOP;
-
-      if (this.target !== this.current) {
-        this.current = this.target;
-
-        if (this.fn) {
-          this.fn(this.current);
-        }
-
-        return true;
-      }
-
-      return false;
-    }
-    /**
-     * @package
-     */
-    ;
-
-    _proto.update = function update(elapsed) {
-      // in position mode switch to stop mode when in the decceleration window
-      if (this.mode === Dynamic.POSITION) {
-        // in loop mode, alter "current" to avoid crossing the origin
-        if (this.loopValue && Math.abs(this.target - this.current) > this.max / 2) {
-          this.current = this.current < this.target ? this.current + this.max : this.current - this.max;
-        }
-
-        var dstStop = this.currentSpeed * this.currentSpeed / (this.speed * this.speedMult * 4);
-
-        if (Math.abs(this.target - this.current) <= dstStop) {
-          this.mode = Dynamic.STOP;
-        }
-      } // compute speed
-
-
-      var targetSpeed = this.mode === Dynamic.STOP ? 0 : this.speed * this.speedMult;
-
-      if (this.target < this.current) {
-        targetSpeed = -targetSpeed;
-      }
-
-      if (this.currentSpeed < targetSpeed) {
-        this.currentSpeed = Math.min(targetSpeed, this.currentSpeed + elapsed / 1000 * this.speed * this.speedMult * 2);
-      } else if (this.currentSpeed > targetSpeed) {
-        this.currentSpeed = Math.max(targetSpeed, this.currentSpeed - elapsed / 1000 * this.speed * this.speedMult * 2);
-      } // compute new position
-
-
-      var next = null;
-
-      if (this.current > this.target && this.currentSpeed) {
-        next = Math.max(this.target, this.current + this.currentSpeed * elapsed / 1000);
-      } else if (this.current < this.target && this.currentSpeed) {
-        next = Math.min(this.target, this.current + this.currentSpeed * elapsed / 1000);
-      } // apply value
-
-
-      if (next !== null) {
-        next = this.loopValue ? loop(next, this.max) : three.MathUtils.clamp(next, this.min, this.max);
-
-        if (next !== this.current) {
-          this.current = next;
-
-          if (this.fn) {
-            this.fn(this.current);
-          }
-
-          return true;
-        }
-      }
-
-      return false;
-    };
-
-    return Dynamic;
-  }();
-  Dynamic.STOP = 0;
-  Dynamic.INFINITE = 1;
-  Dynamic.POSITION = 2;
-
-  /**
-   * @summary Wrapper for multiple {@link PSV.utils.Dynamic} evolving together
-   * @memberOf PSV.utils
-   */
-
-  var MultiDynamic = /*#__PURE__*/function () {
-    /**
-     * @param {Record<string, PSV.utils.Dynamic>} dynamics
-     * @param {Function} [fn] Callback function
-     */
-    function MultiDynamic(dynamics, fn) {
-      /**
-       * @type {Function}
-       * @private
-       * @readonly
-       */
-      this.fn = fn;
-      /**
-       * @type {Record<string, PSV.utils.Dynamic>}
-       * @private
-       * @readonly
-       */
-
-      this.dynamics = dynamics;
-
-      if (this.fn) {
-        this.fn(this.current);
-      }
-    }
-    /**
-     * Changes base speed
-     * @param {number} speed
-     */
-
-
-    var _proto = MultiDynamic.prototype;
-
-    _proto.setSpeed = function setSpeed(speed) {
-      each(this.dynamics, function (d) {
-        d.setSpeed(speed);
-      });
-    }
-    /**
-     * Defines the target positions
-     * @param {Record<string, number>} positions
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.goto = function goto(positions, speedMult) {
-      var _this = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(positions, function (position, name) {
-        _this.dynamics[name].goto(position, speedMult);
-      });
-    }
-    /**
-     * Increase/decrease the target positions
-     * @param {Record<string, number>} steps
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.step = function step(steps, speedMult) {
-      var _this2 = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(steps, function (step, name) {
-        _this2.dynamics[name].step(step, speedMult);
-      });
-    }
-    /**
-     * Starts infinite movements
-     * @param {Record<string, boolean>} rolls
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.roll = function roll(rolls, speedMult) {
-      var _this3 = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(rolls, function (roll, name) {
-        _this3.dynamics[name].roll(roll, speedMult);
-      });
-    }
-    /**
-     * Stops movements
-     */
-    ;
-
-    _proto.stop = function stop() {
-      each(this.dynamics, function (d) {
-        return d.stop();
-      });
-    }
-    /**
-     * Defines the current positions and immediately stops movements
-     * @param {Record<string, number>} values
-     */
-    ;
-
-    _proto.setValue = function setValue(values) {
-      var _this4 = this;
-
-      var hasUpdates = false;
-      each(values, function (value, name) {
-        hasUpdates |= _this4.dynamics[name].setValue(value);
-      });
-
-      if (hasUpdates && this.fn) {
-        this.fn(this.current);
-      }
-
-      return hasUpdates;
-    }
-    /**
-     * @package
-     */
-    ;
-
-    _proto.update = function update(elapsed) {
-      var hasUpdates = false;
-      each(this.dynamics, function (dynamic) {
-        hasUpdates |= dynamic.update(elapsed);
-      });
-
-      if (hasUpdates && this.fn) {
-        this.fn(this.current);
-      }
-
-      return hasUpdates;
-    };
-
-    _createClass(MultiDynamic, [{
-      key: "current",
-      get:
-      /**
-       * @type {Object<string, number>}
-       * @readonly
-       */
-      function get() {
-        var values = {};
-        each(this.dynamics, function (dynamic, name) {
-          values[name] = dynamic.current;
-        });
-        return values;
-      }
-    }]);
-
-    return MultiDynamic;
-  }();
-
-  /**
-   * @summary Helper to make sliders elements
-   * @memberOf PSV.utils
-   */
-
-  var Slider = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(Slider, _EventEmitter);
-
-    function Slider(_ref) {
-      var _this;
-
-      var psv = _ref.psv,
-          container = _ref.container,
-          direction = _ref.direction,
-          onUpdate = _ref.onUpdate;
-      _this = _EventEmitter.call(this) || this;
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-
-      _this.psv = psv;
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.container = container;
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} mousedown
-       * @property {number} mediaMinWidth
-       */
-
-      _this.prop = {
-        onUpdate: onUpdate,
-        direction: direction,
-        mousedown: false,
-        mouseover: false
-      };
-
-      _this.container.addEventListener('click', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mouseenter', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mouseleave', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('touchstart', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mousemove', _assertThisInitialized(_this), true);
-
-      _this.container.addEventListener('touchmove', _assertThisInitialized(_this), true);
-
-      window.addEventListener('mouseup', _assertThisInitialized(_this));
-      window.addEventListener('touchend', _assertThisInitialized(_this));
-      return _this;
-    }
-    /**
-     * @protected
-     */
-
-
-    var _proto = Slider.prototype;
-
-    _proto.destroy = function destroy() {
-      window.removeEventListener('mouseup', this);
-      window.removeEventListener('touchend', this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'click':
-          e.stopPropagation();
-          break;
-
-        case 'mousedown':
-          this.__onMouseDown(e);
-
-          break;
-
-        case 'mouseenter':
-          this.__onMouseEnter(e);
-
-          break;
-
-        case 'mouseleave':
-          this.__onMouseLeave(e);
-
-          break;
-
-        case 'touchstart':
-          this.__onTouchStart(e);
-
-          break;
-
-        case 'mousemove':
-          this.__onMouseMove(e);
-
-          break;
-
-        case 'touchmove':
-          this.__onTouchMove(e);
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(e);
-
-          break;
-
-        case 'touchend':
-          this.__onTouchEnd(e);
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      this.prop.mousedown = true;
-
-      this.__update(evt, true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseEnter = function __onMouseEnter(evt) {
-      this.prop.mouseover = true;
-
-      this.__update(evt, true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      this.prop.mouseover = true;
-      this.prop.mousedown = true;
-
-      this.__update(evt.changedTouches[0], true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.prop.mousedown || this.prop.mouseover) {
-        evt.stopPropagation();
-
-        this.__update(evt, true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      if (this.prop.mousedown || this.prop.mouseover) {
-        evt.stopPropagation();
-
-        this.__update(evt.changedTouches[0], true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (this.prop.mousedown) {
-        this.prop.mousedown = false;
-
-        this.__update(evt, false);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseLeave = function __onMouseLeave(evt) {
-      if (this.prop.mouseover) {
-        this.prop.mouseover = false;
-
-        this.__update(evt, true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchEnd = function __onTouchEnd(evt) {
-      if (this.prop.mousedown) {
-        this.prop.mouseover = false;
-        this.prop.mousedown = false;
-
-        this.__update(evt.changedTouches[0], false);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__update = function __update(evt, moving) {
-      var boundingClientRect = this.container.getBoundingClientRect();
-      var cursor = evt[this.vertical ? 'clientY' : 'clientX'];
-      var pos = boundingClientRect[this.vertical ? 'bottom' : 'left'];
-      var size = boundingClientRect[this.vertical ? 'height' : 'width'];
-      var val = Math.abs((pos - cursor) / size);
-      this.prop.onUpdate({
-        value: val,
-        click: !moving,
-        mousedown: this.prop.mousedown,
-        mouseover: this.prop.mouseover,
-        cursor: evt
-      });
-    };
-
-    _createClass(Slider, [{
-      key: "vertical",
-      get:
-      /**
-       * @type {boolean}
-       * @readonly
-       */
-      function get() {
-        return this.prop.direction === Slider.VERTICAL;
-      }
-    }]);
-
-    return Slider;
-  }(uevent.EventEmitter);
-  Slider.VERTICAL = 1;
-  Slider.HORIZONTAL = 2;
-
-  /**
-   * @namespace PSV.utils
-   */
-
-  var index = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    toggleClass: toggleClass,
-    addClasses: addClasses,
-    removeClasses: removeClasses,
-    hasParent: hasParent,
-    getClosest: getClosest,
-    getPosition: getPosition,
-    isFullscreenEnabled: isFullscreenEnabled,
-    requestFullscreen: requestFullscreen,
-    exitFullscreen: exitFullscreen,
-    getStyle: getStyle,
-    normalizeWheel: normalizeWheel,
-    bound: bound,
-    loop: loop,
-    isPowerOfTwo: isPowerOfTwo,
-    sum: sum,
-    distance: distance,
-    getShortestArc: getShortestArc,
-    getAngle: getAngle,
-    greatArcDistance: greatArcDistance,
-    dasherize: dasherize,
-    throttle: throttle,
-    isPlainObject: isPlainObject,
-    deepmerge: deepmerge,
-    clone: clone,
-    isEmpty: isEmpty,
-    each: each,
-    isNil: isNil,
-    firstNonNull: firstNonNull,
-    deepEqual: deepEqual,
-    pluginInterop: pluginInterop,
-    getAbortError: getAbortError,
-    isAbortError: isAbortError,
-    logWarn: logWarn,
-    isExtendedPosition: isExtendedPosition,
-    getXMPValue: getXMPValue,
-    parsePosition: parsePosition,
-    cleanPosition: cleanPosition,
-    parseSpeed: parseSpeed,
-    parseAngle: parseAngle,
-    createTexture: createTexture,
-    applyEulerInverse: applyEulerInverse,
-    Animation: Animation,
-    Dynamic: Dynamic,
-    MultiDynamic: MultiDynamic,
-    Slider: Slider
-  });
-
-  /**
-   * @typedef {Object} PSV.adapters.EquirectangularAdapter.Options
-   * @property {number} [resolution=64] - number of faces of the sphere geometry, higher values may decrease performances
-   */
-
-  /**
-   * @summary Adapter for equirectangular panoramas
-   * @memberof PSV.adapters
-   * @extends PSV.adapters.AbstractAdapter
-   */
-
-  var EquirectangularAdapter = /*#__PURE__*/function (_AbstractAdapter) {
-    _inheritsLoose(EquirectangularAdapter, _AbstractAdapter);
-
-    /**
-     * @param {PSV.Viewer} psv
-     * @param {PSV.adapters.EquirectangularAdapter.Options} options
-     */
-    function EquirectangularAdapter(psv, options) {
-      var _this;
-
-      _this = _AbstractAdapter.call(this, psv) || this;
-      /**
-       * @member {PSV.adapters.EquirectangularAdapter.Options}
-       * @private
-       */
-
-      _this.config = _extends({
-        resolution: 64
-      }, options);
-
-      if (!three.MathUtils.isPowerOfTwo(_this.config.resolution)) {
-        throw new PSVError('EquirectangularAdapter resolution must be power of two');
-      }
-
-      _this.SPHERE_SEGMENTS = _this.config.resolution;
-      _this.SPHERE_HORIZONTAL_SEGMENTS = _this.SPHERE_SEGMENTS / 2;
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = EquirectangularAdapter.prototype;
-
-    _proto.supportsTransition = function supportsTransition() {
-      return true;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.supportsPreload = function supportsPreload() {
-      return true;
-    }
-    /**
-     * @override
-     * @param {string} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @param {boolean} [useXmpPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData, useXmpPanoData) {
-      var _this2 = this;
-
-      if (useXmpPanoData === void 0) {
-        useXmpPanoData = this.psv.config.useXmpData;
-      }
-
-      if (typeof panorama !== 'string') {
-        if (Array.isArray(panorama) || typeof panorama === 'object' && !!panorama.left) {
-          logWarn('Cubemap support now requires an additional adapter, see https://photo-sphere-viewer.js.org/guide/adapters');
-        }
-
-        return Promise.reject(new PSVError('Invalid panorama url, are you using the right adapter?'));
-      }
-
-      return (useXmpPanoData ? this.__loadXMP(panorama, function (p) {
-        return _this2.psv.loader.setProgress(p);
-      }).then(function (xmpPanoData) {
-        return _this2.psv.textureLoader.loadImage(panorama).then(function (img) {
-          return {
-            img: img,
-            xmpPanoData: xmpPanoData
-          };
-        });
-      }) : this.psv.textureLoader.loadImage(panorama, function (p) {
-        return _this2.psv.loader.setProgress(p);
-      }).then(function (img) {
-        return {
-          img: img,
-          xmpPanoData: null
-        };
-      })).then(function (_ref) {
-        var _newPanoData, _newPanoData2, _newPanoData3, _newPanoData4, _newPanoData5, _newPanoData6, _newPanoData7, _newPanoData8, _newPanoData9;
-
-        var img = _ref.img,
-            xmpPanoData = _ref.xmpPanoData;
-
-        if (typeof newPanoData === 'function') {
-          newPanoData = newPanoData(img);
-        }
-
-        var panoData = {
-          fullWidth: firstNonNull((_newPanoData = newPanoData) == null ? void 0 : _newPanoData.fullWidth, xmpPanoData == null ? void 0 : xmpPanoData.fullWidth, img.width),
-          fullHeight: firstNonNull((_newPanoData2 = newPanoData) == null ? void 0 : _newPanoData2.fullHeight, xmpPanoData == null ? void 0 : xmpPanoData.fullHeight, img.height),
-          croppedWidth: firstNonNull((_newPanoData3 = newPanoData) == null ? void 0 : _newPanoData3.croppedWidth, xmpPanoData == null ? void 0 : xmpPanoData.croppedWidth, img.width),
-          croppedHeight: firstNonNull((_newPanoData4 = newPanoData) == null ? void 0 : _newPanoData4.croppedHeight, xmpPanoData == null ? void 0 : xmpPanoData.croppedHeight, img.height),
-          croppedX: firstNonNull((_newPanoData5 = newPanoData) == null ? void 0 : _newPanoData5.croppedX, xmpPanoData == null ? void 0 : xmpPanoData.croppedX, 0),
-          croppedY: firstNonNull((_newPanoData6 = newPanoData) == null ? void 0 : _newPanoData6.croppedY, xmpPanoData == null ? void 0 : xmpPanoData.croppedY, 0),
-          poseHeading: firstNonNull((_newPanoData7 = newPanoData) == null ? void 0 : _newPanoData7.poseHeading, xmpPanoData == null ? void 0 : xmpPanoData.poseHeading, 0),
-          posePitch: firstNonNull((_newPanoData8 = newPanoData) == null ? void 0 : _newPanoData8.posePitch, xmpPanoData == null ? void 0 : xmpPanoData.posePitch, 0),
-          poseRoll: firstNonNull((_newPanoData9 = newPanoData) == null ? void 0 : _newPanoData9.poseRoll, xmpPanoData == null ? void 0 : xmpPanoData.poseRoll, 0)
-        };
-
-        if (panoData.croppedWidth !== img.width || panoData.croppedHeight !== img.height) {
-          logWarn("Invalid panoData, croppedWidth and/or croppedHeight is not coherent with loaded image.\n    panoData: " + panoData.croppedWidth + "x" + panoData.croppedHeight + ", image: " + img.width + "x" + img.height);
-        }
-
-        if ((newPanoData || xmpPanoData) && panoData.fullWidth !== panoData.fullHeight * 2) {
-          logWarn('Invalid panoData, fullWidth should be twice fullHeight');
-        }
-
-        var texture = _this2.__createEquirectangularTexture(img, panoData);
-
-        return {
-          panorama: panorama,
-          texture: texture,
-          panoData: panoData
-        };
-      });
-    }
-    /**
-     * @summary Loads the XMP data of an image
-     * @param {string} panorama
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<PSV.PanoData>}
-     * @throws {PSV.PSVError} when the image cannot be loaded
-     * @private
-     */
-    ;
-
-    _proto.__loadXMP = function __loadXMP(panorama, onProgress) {
-      var _this3 = this;
-
-      return this.psv.textureLoader.loadFile(panorama, onProgress).then(function (blob) {
-        return _this3.__loadBlobAsString(blob);
-      }).then(function (binary) {
-        var a = binary.indexOf('<x:xmpmeta');
-        var b = binary.indexOf('</x:xmpmeta>');
-        var data = binary.substring(a, b);
-
-        if (a !== -1 && b !== -1 && data.includes('GPano:')) {
-          return {
-            fullWidth: getXMPValue(data, 'FullPanoWidthPixels'),
-            fullHeight: getXMPValue(data, 'FullPanoHeightPixels'),
-            croppedWidth: getXMPValue(data, 'CroppedAreaImageWidthPixels'),
-            croppedHeight: getXMPValue(data, 'CroppedAreaImageHeightPixels'),
-            croppedX: getXMPValue(data, 'CroppedAreaLeftPixels'),
-            croppedY: getXMPValue(data, 'CroppedAreaTopPixels'),
-            poseHeading: getXMPValue(data, 'PoseHeadingDegrees'),
-            posePitch: getXMPValue(data, 'PosePitchDegrees'),
-            poseRoll: getXMPValue(data, 'PoseRollDegrees')
-          };
-        }
-
-        return null;
-      });
-    }
-    /**
-     * @summmary read a Blob as string
-     * @param {Blob} blob
-     * @returns {Promise<string>}
-     * @private
-     */
-    ;
-
-    _proto.__loadBlobAsString = function __loadBlobAsString(blob) {
-      return new Promise(function (resolve, reject) {
-        var reader = new FileReader();
-
-        reader.onload = function () {
-          return resolve(reader.result);
-        };
-
-        reader.onerror = reject;
-        reader.readAsText(blob);
-      });
-    }
-    /**
-     * @summary Creates the final texture from image and panorama data
-     * @param {Image} img
-     * @param {PSV.PanoData} panoData
-     * @returns {external:THREE.Texture}
-     * @private
-     */
-    ;
-
-    _proto.__createEquirectangularTexture = function __createEquirectangularTexture(img, panoData) {
-      // resize image / fill cropped parts with black
-      if (panoData.fullWidth > SYSTEM.maxTextureWidth || panoData.croppedWidth !== panoData.fullWidth || panoData.croppedHeight !== panoData.fullHeight) {
-        var ratio = SYSTEM.getMaxCanvasWidth() / panoData.fullWidth;
-
-        var resizedPanoData = _extends({}, panoData);
-
-        if (ratio < 1) {
-          resizedPanoData.fullWidth *= ratio;
-          resizedPanoData.fullHeight *= ratio;
-          resizedPanoData.croppedWidth *= ratio;
-          resizedPanoData.croppedHeight *= ratio;
-          resizedPanoData.croppedX *= ratio;
-          resizedPanoData.croppedY *= ratio;
-        }
-
-        var buffer = document.createElement('canvas');
-        buffer.width = resizedPanoData.fullWidth;
-        buffer.height = resizedPanoData.fullHeight;
-        var ctx = buffer.getContext('2d');
-        ctx.drawImage(img, resizedPanoData.croppedX, resizedPanoData.croppedY, resizedPanoData.croppedWidth, resizedPanoData.croppedHeight);
-        return createTexture(buffer);
-      }
-
-      return createTexture(img);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.createMesh = function createMesh(scale) {
-      if (scale === void 0) {
-        scale = 1;
-      }
-
-      // The middle of the panorama is placed at longitude=0
-      var geometry = new three.SphereGeometry(SPHERE_RADIUS * scale, this.SPHERE_SEGMENTS, this.SPHERE_HORIZONTAL_SEGMENTS, -Math.PI / 2).scale(-1, 1, 1);
-      var material = AbstractAdapter.createOverlayMaterial();
-      return new three.Mesh(geometry, material);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setTexture = function setTexture(mesh, textureData) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.panorama, textureData.texture);
-
-      this.setOverlay(mesh, null);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(mesh, textureData, opacity) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity, opacity);
-
-      if (!textureData) {
-        this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlay, new three.Texture());
-      } else {
-        this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlay, textureData.texture);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setTextureOpacity = function setTextureOpacity(mesh, opacity) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity, opacity);
-
-      mesh.material.transparent = opacity < 1;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.disposeTexture = function disposeTexture(textureData) {
-      var _textureData$texture;
-
-      (_textureData$texture = textureData.texture) == null ? void 0 : _textureData$texture.dispose();
-    }
-    /**
-     * @param {external:THREE.Mesh} mesh
-     * @param {string} uniform
-     * @param {*} value
-     * @private
-     */
-    ;
-
-    _proto.__setUniform = function __setUniform(mesh, uniform, value) {
-      if (mesh.material.uniforms[uniform].value instanceof three.Texture) {
-        mesh.material.uniforms[uniform].value.dispose();
-      }
-
-      mesh.material.uniforms[uniform].value = value;
-    };
-
-    return EquirectangularAdapter;
-  }(AbstractAdapter);
-  EquirectangularAdapter.id = 'equirectangular';
-  EquirectangularAdapter.supportsDownload = true;
-  EquirectangularAdapter.supportsOverlay = true;
-
-  /**
-   * @namespace PSV.components
-   */
-
-  /**
-   * @summary Base component class
-   * @memberof PSV.components
-   * @abstract
-   */
-  var AbstractComponent = /*#__PURE__*/function () {
-    /**
-     * @param {PSV.Viewer | PSV.components.AbstractComponent} parent
-     * @param {string} className - CSS class added to the component's container
-     */
-    function AbstractComponent(parent, className) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = parent.psv || parent;
-      /**
-       * @member {PSV.Viewer|PSV.components.AbstractComponent}
-       * @readonly
-       */
-
-      this.parent = parent;
-      this.parent.children.push(this);
-      /**
-       * @summary All child components
-       * @type {PSV.components.AbstractComponent[]}
-       * @readonly
-       * @package
-       */
-
-      this.children = [];
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} visible - Visibility of the component
-       */
-
-      this.prop = {
-        visible: true
-      };
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      this.container = document.createElement('div');
-      this.container.className = className;
-      this.parent.container.appendChild(this.container);
-    }
-    /**
-     * @summary Destroys the component
-     * @protected
-     */
-
-
-    var _proto = AbstractComponent.prototype;
-
-    _proto.destroy = function destroy() {
-      this.parent.container.removeChild(this.container);
-      var childIdx = this.parent.children.indexOf(this);
-
-      if (childIdx !== -1) {
-        this.parent.children.splice(childIdx, 1);
-      }
-
-      this.children.slice().forEach(function (child) {
-        return child.destroy();
-      });
-      this.children.length = 0;
-      delete this.container;
-      delete this.parent;
-      delete this.psv;
-      delete this.prop;
-    }
-    /**
-     * @summary Refresh UI
-     * @description Must be be a very lightweight operation
-     * @package
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var _this = this;
-
-      this.children.every(function (child) {
-        child.refreshUi();
-        return _this.psv.prop.uiRefresh === true;
-      });
-    }
-    /**
-     * @summary Displays or hides the component
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      if (this.isVisible()) {
-        this.hide();
-      } else {
-        this.show();
-      }
-    }
-    /**
-     * @summary Hides the component
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.style.display = 'none';
-      this.prop.visible = false;
-    }
-    /**
-     * @summary Displays the component
-     */
-    ;
-
-    _proto.show = function show() {
-      this.container.style.display = '';
-      this.prop.visible = true;
-    }
-    /**
-     * @summary Checks if the component is visible
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isVisible = function isVisible() {
-      return this.prop.visible;
-    };
-
-    return AbstractComponent;
-  }();
-
-  /**
-   * @namespace PSV.buttons
-   */
-
-  /**
-   * @summary Base navbar button class
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.buttons
-   * @abstract
-   */
-
-  var AbstractButton = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(AbstractButton, _AbstractComponent);
-
-    /**
-     * @summary Unique identifier of the button
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Identifier to declare a group of buttons
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary SVG icon name injected in the button
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary SVG icon name injected in the button when it is active
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {string} [className] - Additional CSS classes
-     * @param {boolean} [collapsable=false] - `true` if the button can be moved to menu when the navbar is too small
-     * @param {boolean} [tabbable=true] - `true` if the button is accessible with the keyboard
-     */
-    function AbstractButton(navbar, className, collapsable, tabbable) {
-      var _this;
-
-      if (className === void 0) {
-        className = '';
-      }
-
-      if (collapsable === void 0) {
-        collapsable = false;
-      }
-
-      if (tabbable === void 0) {
-        tabbable = true;
-      }
-
-      _this = _AbstractComponent.call(this, navbar, 'psv-button ' + className) || this;
-      /**
-       * @override
-       * @property {string} id - Unique identifier of the button
-       * @property {boolean} enabled
-       * @property {boolean} supported
-       * @property {boolean} collapsed
-       * @property {boolean} active
-       * @property {number} width
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        id: _this.constructor.id,
-        collapsable: collapsable,
-        enabled: true,
-        supported: true,
-        collapsed: false,
-        active: false,
-        width: _this.container.offsetWidth
-      });
-
-      if (_this.constructor.icon) {
-        _this.__setIcon(_this.constructor.icon);
-      }
-
-      if (_this.prop.id && _this.psv.config.lang[_this.prop.id]) {
-        _this.container.title = _this.psv.config.lang[_this.prop.id];
-      }
-
-      if (tabbable) {
-        _this.container.tabIndex = 0;
-      }
-
-      _this.container.addEventListener('click', function (e) {
-        if (_this.prop.enabled) {
-          _this.onClick();
-        }
-
-        e.stopPropagation();
-      });
-
-      _this.container.addEventListener('keydown', function (e) {
-        if (e.key === KEY_CODES.Enter && _this.prop.enabled) {
-          _this.onClick();
-
-          e.stopPropagation();
-        }
-      });
-
-      return _this;
-    }
-    /**
-     * @package
-     */
-
-
-    var _proto = AbstractButton.prototype;
-
-    _proto.checkSupported = function checkSupported() {
-      var _this2 = this;
-
-      var supportedOrObject = this.isSupported();
-
-      if (isPlainObject(supportedOrObject)) {
-        if (supportedOrObject.initial === false) {
-          this.hide();
-          this.prop.supported = false;
-        }
-
-        supportedOrObject.promise.then(function (supported) {
-          if (!_this2.prop) {
-            return; // the component has been destroyed
-          }
-
-          _this2.prop.supported = supported;
-
-          if (!supported) {
-            _this2.hide();
-          } else {
-            _this2.show();
-          }
-        });
-      } else {
-        this.prop.supported = supportedOrObject;
-
-        if (!supportedOrObject) {
-          this.hide();
-        }
-      }
-    }
-    /**
-     * @summary Checks if the button can be displayed
-     * @returns {boolean|{initial: boolean, promise: Promise<boolean>}}
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return true;
-    }
-    /**
-     * @summary Changes the active state of the button
-     * @param {boolean} [active] - forced state
-     */
-    ;
-
-    _proto.toggleActive = function toggleActive(active) {
-      this.prop.active = active !== undefined ? active : !this.prop.active;
-      toggleClass(this.container, 'psv-button--active', this.prop.active);
-
-      if (this.constructor.iconActive) {
-        this.__setIcon(this.prop.active ? this.constructor.iconActive : this.constructor.icon);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show(refresh) {
-      if (refresh === void 0) {
-        refresh = true;
-      }
-
-      if (!this.isVisible()) {
-        this.prop.visible = true;
-
-        if (!this.prop.collapsed) {
-          this.container.style.display = '';
-        }
-
-        if (refresh) {
-          this.psv.refreshUi("show button " + this.prop.id);
-        }
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      if (refresh === void 0) {
-        refresh = true;
-      }
-
-      if (this.isVisible()) {
-        this.prop.visible = false;
-        this.container.style.display = 'none';
-
-        if (refresh) {
-          this.psv.refreshUi("hide button " + this.prop.id);
-        }
-      }
-    }
-    /**
-     * @summary Disables the button
-     */
-    ;
-
-    _proto.disable = function disable() {
-      this.container.classList.add('psv-button--disabled');
-      this.prop.enabled = false;
-    }
-    /**
-     * @summary Enables the button
-     */
-    ;
-
-    _proto.enable = function enable() {
-      this.container.classList.remove('psv-button--disabled');
-      this.prop.enabled = true;
-    }
-    /**
-     * @summary Collapses the button in the navbar menu
-     */
-    ;
-
-    _proto.collapse = function collapse() {
-      this.prop.collapsed = true;
-      this.container.style.display = 'none';
-    }
-    /**
-     * @summary Uncollapses the button from the navbar menu
-     */
-    ;
-
-    _proto.uncollapse = function uncollapse() {
-      this.prop.collapsed = false;
-
-      if (this.prop.visible) {
-        this.container.style.display = '';
-      }
-    }
-    /**
-     * @summary Set the button icon
-     * @param {string} icon SVG
-     * @param {HTMLElement} [container] - default is the main button container
-     * @private
-     */
-    ;
-
-    _proto.__setIcon = function __setIcon(icon, container) {
-      if (container === void 0) {
-        container = this.container;
-      }
-
-      if (icon) {
-        container.innerHTML = icon; // className is read-only on SVGElement
-
-        container.querySelector('svg').classList.add('psv-button-svg');
-      } else {
-        container.innerHTML = '';
-      }
-    }
-    /**
-     * @summary Action when the button is clicked
-     * @private
-     * @abstract
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      throw new PSVError("onClick not implemented for button \"" + this.prop.id + "\".");
-    };
-
-    return AbstractButton;
-  }(AbstractComponent);
-  AbstractButton.id = null;
-  AbstractButton.groupId = null;
-  AbstractButton.icon = null;
-  AbstractButton.iconActive = null;
-
-  var playActive = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 41 41\"><path fill=\"currentColor\" d=\"M40.5 14.1c-.1-.1-1.2-.5-2.898-1-.102 0-.202-.1-.202-.2C34.5 6.5 28 2 20.5 2S6.6 6.5 3.7 12.9c0 .1-.1.1-.2.2-1.7.6-2.8 1-2.9 1l-.6.3v12.1l.6.2c.1 0 1.1.399 2.7.899.1 0 .2.101.2.199C6.3 34.4 12.9 39 20.5 39c7.602 0 14.102-4.6 16.9-11.1 0-.102.1-.102.199-.2 1.699-.601 2.699-1 2.801-1l.6-.3V14.3l-.5-.2zM6.701 11.5C9.7 7 14.8 4 20.5 4c5.8 0 10.9 3 13.8 7.5.2.3-.1.6-.399.5-3.799-1-8.799-2-13.6-2-4.7 0-9.5 1-13.2 2-.3.1-.5-.2-.4-.5zM25.1 20.3L18.7 24c-.3.2-.7 0-.7-.5v-7.4c0-.4.4-.6.7-.4l6.399 3.8c.301.1.301.6.001.8zm9.4 8.901A16.421 16.421 0 0 1 20.5 37c-5.9 0-11.1-3.1-14-7.898-.2-.302.1-.602.4-.5 3.9 1 8.9 2.1 13.6 2.1 5 0 9.9-1 13.602-2 .298-.1.5.198.398.499z\"/><!--Created by Nick Bluth from the Noun Project--></svg>\n";
-
-  var play = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 41 41\"><path fill=\"currentColor\" d=\"M40.5 14.1c-.1-.1-1.2-.5-2.899-1-.101 0-.2-.1-.2-.2C34.5 6.5 28 2 20.5 2S6.6 6.5 3.7 12.9c0 .1-.1.1-.2.2-1.7.6-2.8 1-2.9 1l-.6.3v12.1l.6.2c.1 0 1.1.4 2.7.9.1 0 .2.1.2.199C6.3 34.4 12.9 39 20.5 39c7.601 0 14.101-4.6 16.9-11.1 0-.101.1-.101.2-.2 1.699-.6 2.699-1 2.8-1l.6-.3V14.3l-.5-.2zM20.5 4c5.8 0 10.9 3 13.8 7.5.2.3-.1.6-.399.5-3.8-1-8.8-2-13.6-2-4.7 0-9.5 1-13.2 2-.3.1-.5-.2-.4-.5C9.7 7 14.8 4 20.5 4zm0 33c-5.9 0-11.1-3.1-14-7.899-.2-.301.1-.601.4-.5 3.9 1 8.9 2.1 13.6 2.1 5 0 9.9-1 13.601-2 .3-.1.5.2.399.5A16.422 16.422 0 0 1 20.5 37zm18.601-12.1c0 .1-.101.3-.2.3-2.5.9-10.4 3.6-18.4 3.6-7.1 0-15.6-2.699-18.3-3.6C2.1 25.2 2 25 2 24.9V16c0-.1.1-.3.2-.3 2.6-.9 10.6-3.6 18.2-3.6 7.5 0 15.899 2.7 18.5 3.6.1 0 .2.2.2.3v8.9z\"/><path fill=\"currentColor\" d=\"M18.7 24l6.4-3.7c.3-.2.3-.7 0-.8l-6.4-3.8c-.3-.2-.7 0-.7.4v7.4c0 .5.4.7.7.5z\"/><!--Created by Nick Bluth from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar autorotate button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AutorotateButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AutorotateButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function AutorotateButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-autorotate-button', true) || this;
-
-      _this.psv.on(EVENTS.AUTOROTATE, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AutorotateButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.AUTOROTATE, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.AUTOROTATE:
-          this.toggleActive(e.args[0]);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @description Toggles autorotate
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.psv.isAutorotateEnabled()) {
-        this.psv.config.autorotateIdle = false;
-        this.psv.resetIdleTimer();
-      }
-
-      this.psv.toggleAutorotate();
-    };
-
-    return AutorotateButton;
-  }(AbstractButton);
-  AutorotateButton.id = 'autorotate';
-  AutorotateButton.icon = play;
-  AutorotateButton.iconActive = playActive;
-
-  /**
-   * @summary Navigation bar custom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var CustomButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(CustomButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {PSV.NavbarCustomButton} config
-     */
-    function CustomButton(navbar, config) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-custom-button', config.collapsable !== false, config.tabbable !== false) || this;
-      /**
-       * @member {Object}
-       * @readonly
-       * @private
-       */
-
-      _this.config = config;
-
-      if (_this.config.id) {
-        _this.prop.id = _this.config.id;
-      } else {
-        _this.prop.id = 'psvButton-' + Math.random().toString(36).substr(2, 9);
-      }
-
-      if (_this.config.className) {
-        addClasses(_this.container, _this.config.className);
-      }
-
-      if (_this.config.title) {
-        _this.container.title = _this.config.title;
-      }
-
-      if (_this.config.content) {
-        _this.container.innerHTML = _this.config.content;
-      }
-
-      _this.prop.width = _this.container.offsetWidth;
-
-      if (_this.config.enabled === false) {
-        _this.disable();
-      }
-
-      if (_this.config.visible === false) {
-        _this.hide();
-      }
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = CustomButton.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.config;
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     * @description Calls user method
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.config.onClick) {
-        this.config.onClick.call(this.psv, this.psv);
-      }
-    };
-
-    return CustomButton;
-  }(AbstractButton);
-
-  var info = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 64 64\"><path fill=\"currentColor\" d=\"M28.3 26.1c-1 2.6-1.9 4.8-2.6 7-2.5 7.4-5 14.7-7.2 22-1.3 4.4.5 7.2 4.3 7.8 1.3.2 2.8.2 4.2-.1 8.2-2 11.9-8.6 15.7-15.2l-2.2 2a18.8 18.8 0 0 1-7.4 5.2 2 2 0 0 1-1.6-.2c-.2-.1 0-1 0-1.4l.8-1.8L41.9 28c.5-1.4.9-3 .7-4.4-.2-2.6-3-4.4-6.3-4.4-8.8.2-15 4.5-19.5 11.8-.2.3-.2.6-.3 1.3 3.7-2.8 6.8-6.1 11.8-6.2z\"/><circle fill=\"currentColor\" cx=\"39.3\" cy=\"9.2\" r=\"8.2\"/><!--Created by Arafat Uddin from the Noun Project--></svg>\n";
-
-  var MODE_NOTIF = 1;
-  var MODE_PANEL = 2;
-  /**
-   * @summary Navigation bar description button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var DescriptionButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(DescriptionButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function DescriptionButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-description-button') || this;
-      /**
-       * @override
-       * @property {string} mode - notification or panel
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        mode: null
-      });
-
-      _this.psv.on(EVENTS.HIDE_NOTIFICATION, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.SHOW_NOTIFICATION, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.CLOSE_PANEL, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.OPEN_PANEL, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = DescriptionButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.HIDE_NOTIFICATION, this);
-      this.psv.off(EVENTS.SHOW_NOTIFICATION, this);
-      this.psv.off(EVENTS.CLOSE_PANEL, this);
-      this.psv.off(EVENTS.OPEN_PANEL, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      if (!this.prop.mode) {
-        return;
-      }
-
-      var closed = false;
-
-      switch (e.type) {
-        case EVENTS.HIDE_NOTIFICATION:
-          closed = this.prop.mode === MODE_NOTIF;
-          break;
-
-        case EVENTS.SHOW_NOTIFICATION:
-          closed = this.prop.mode === MODE_NOTIF && e.args[0] !== IDS.DESCRIPTION;
-          break;
-
-        case EVENTS.CLOSE_PANEL:
-          closed = this.prop.mode === MODE_PANEL;
-          break;
-
-        case EVENTS.OPEN_PANEL:
-          closed = this.prop.mode === MODE_PANEL && e.args[0] !== IDS.DESCRIPTION;
-          break;
-      }
-
-      if (closed) {
-        this.toggleActive(false);
-        this.prop.mode = null;
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      _AbstractButton.prototype.hide.call(this, refresh);
-
-      if (this.prop.mode) {
-        this.__close();
-      }
-    }
-    /**
-     * This button can only be refresh from NavbarCaption
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi(refresh) {
-      if (refresh === void 0) {
-        refresh = false;
-      }
-
-      if (refresh) {
-        var caption = this.psv.navbar.getButton('caption', false);
-        var captionHidden = caption && !caption.isVisible();
-        var hasDescription = !!this.psv.config.description;
-
-        if (captionHidden || hasDescription) {
-          this.show(false);
-        } else {
-          this.hide(false);
-        }
-      }
-    }
-    /**
-     * @override
-     * @description Toggles caption
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.prop.mode) {
-        this.__close();
-      } else {
-        this.__open();
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__close = function __close() {
-      switch (this.prop.mode) {
-        case MODE_NOTIF:
-          this.psv.notification.hide(IDS.DESCRIPTION);
-          break;
-
-        case MODE_PANEL:
-          this.psv.panel.hide(IDS.DESCRIPTION);
-          break;
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__open = function __open() {
-      this.toggleActive(true);
-
-      if (this.psv.config.description) {
-        this.prop.mode = MODE_PANEL;
-        this.psv.panel.show({
-          id: IDS.DESCRIPTION,
-          content: "" + (this.psv.config.caption ? "<p>" + this.psv.config.caption + "</p>" : '') + this.psv.config.description
-        });
-      } else {
-        this.prop.mode = MODE_NOTIF;
-        this.psv.notification.show({
-          id: IDS.DESCRIPTION,
-          content: this.psv.config.caption
-        });
-      }
-    };
-
-    return DescriptionButton;
-  }(AbstractButton);
-  DescriptionButton.id = 'description';
-  DescriptionButton.icon = info;
-
-  var download = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M83.3 35.6h-17V3H32.2v32.6H16.6l33.6 32.7 33-32.7z\"/><path fill=\"currentColor\" d=\"M83.3 64.2v16.3H16.6V64.2H-.1v32.6H100V64.2H83.3z\"/><!--Created by Michael Zenaty from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar download button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var DownloadButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(DownloadButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function DownloadButton(navbar) {
-      return _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-download-button', true) || this;
-    }
-    /**
-     * @override
-     * @description Asks the browser to download the panorama source file
-     */
-
-
-    var _proto = DownloadButton.prototype;
-
-    _proto.onClick = function onClick() {
-      var _this = this;
-
-      var link = document.createElement('a');
-      link.href = this.psv.config.downloadUrl || this.psv.config.panorama;
-      link.download = link.href.split('/').pop();
-      this.psv.container.appendChild(link);
-      link.click();
-      setTimeout(function () {
-        _this.psv.container.removeChild(link);
-      }, 100);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var supported = this.psv.adapter.constructor.supportsDownload || this.psv.config.downloadUrl;
-
-      if (supported && !this.prop.visible) {
-        this.show();
-      } else if (!supported && this.prop.visible) {
-        this.hide();
-      }
-    };
-
-    return DownloadButton;
-  }(AbstractButton);
-  DownloadButton.id = 'download';
-  DownloadButton.icon = download;
-
-  var fullscreenIn = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M100 40H87.1V18.8h-21V6H100zM100 93.2H66V80.3h21.1v-21H100zM34 93.2H0v-34h12.9v21.1h21zM12.9 40H0V6h34v12.9H12.8z\"/><!--Created by Garrett Knoll from the Noun Project--></svg>\n";
-
-  var fullscreenOut = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M66 7h13v21h21v13H66zM66 60.3h34v12.9H79v21H66zM0 60.3h34v34H21V73.1H0zM21 7h13v34H0V28h21z\"/><!--Created by Garrett Knoll from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar fullscreen button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var FullscreenButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(FullscreenButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function FullscreenButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-fullscreen-button') || this;
-
-      _this.psv.on(EVENTS.FULLSCREEN_UPDATED, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = FullscreenButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.FULLSCREEN_UPDATED, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * Handle events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.FULLSCREEN_UPDATED:
-          this.toggleActive(e.args[0]);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @description Toggles fullscreen
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      this.psv.toggleFullscreen();
-    };
-
-    return FullscreenButton;
-  }(AbstractButton);
-  FullscreenButton.id = 'fullscreen';
-  FullscreenButton.icon = fullscreenIn;
-  FullscreenButton.iconActive = fullscreenOut;
-
-  var menuIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"10 10 80 80\"><g fill=\"currentColor\"><circle r=\"10\" cx=\"20\" cy=\"20\"/><circle r=\"10\" cx=\"50\" cy=\"20\"/><circle r=\"10\" cx=\"80\" cy=\"20\"/><circle r=\"10\" cx=\"20\" cy=\"50\"/><circle r=\"10\" cx=\"50\" cy=\"50\"/><circle r=\"10\" cx=\"80\" cy=\"50\"/><circle r=\"10\" cx=\"20\" cy=\"80\"/><circle r=\"10\" cx=\"50\" cy=\"80\"/><circle r=\"10\" cx=\"80\" cy=\"80\"/></g><!-- Created by Richard Kunák from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar menu button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var MenuButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(MenuButton, _AbstractButton);
-
-    /**
-     * @summary Property name added to buttons list
-     * @type {string}
-     * @constant
-     */
-
-    /**
-     * @summary Menu template
-     * @param {AbstractButton[]} buttons
-     * @param {PSV.Viewer} psv
-     * @param {string} dataKey
-     * @returns {string}
-     */
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MenuButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-menu-button') || this;
-
-      _this.psv.on(EVENTS.OPEN_PANEL, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.CLOSE_PANEL, _assertThisInitialized(_this));
-
-      _AbstractButton.prototype.hide.call(_assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = MenuButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.OPEN_PANEL, this);
-      this.psv.off(EVENTS.CLOSE_PANEL, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.OPEN_PANEL:
-          this.toggleActive(e.args[0] === IDS.MENU);
-          break;
-
-        case EVENTS.CLOSE_PANEL:
-          this.toggleActive(false);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      _AbstractButton.prototype.hide.call(this, refresh);
-
-      this.__hideMenu();
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show(refresh) {
-      _AbstractButton.prototype.show.call(this, refresh);
-
-      if (this.prop.active) {
-        this.__showMenu();
-      }
-    }
-    /**
-     * @override
-     * @description Toggles menu
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.prop.active) {
-        this.__hideMenu();
-      } else {
-        this.__showMenu();
-      }
-    };
-
-    _proto.__showMenu = function __showMenu() {
-      var _this2 = this;
-
-      this.psv.panel.show({
-        id: IDS.MENU,
-        content: MenuButton.MENU_TEMPLATE(this.parent.collapsed, this.psv, dasherize(MenuButton.BUTTON_DATA)),
-        noMargin: true,
-        clickHandler: function clickHandler(e) {
-          var li = e.target ? getClosest(e.target, 'li') : undefined;
-          var buttonId = li ? li.dataset[MenuButton.BUTTON_DATA] : undefined;
-
-          if (buttonId) {
-            _this2.parent.getButton(buttonId).onClick();
-
-            _this2.__hideMenu();
-          }
-        }
-      });
-    };
-
-    _proto.__hideMenu = function __hideMenu() {
-      this.psv.panel.hide(IDS.MENU);
-    };
-
-    return MenuButton;
-  }(AbstractButton);
-  MenuButton.id = 'menu';
-  MenuButton.icon = menuIcon;
-  MenuButton.BUTTON_DATA = 'psvButton';
-
-  MenuButton.MENU_TEMPLATE = function (buttons, psv, dataKey) {
-    return "\n<div class=\"psv-panel-menu psv-panel-menu--stripped\">\n  <h1 class=\"psv-panel-menu-title\">" + menuIcon + " " + psv.config.lang.menu + "</h1>\n  <ul class=\"psv-panel-menu-list\">\n    " + buttons.map(function (button) {
-      return "\n    <li data-" + dataKey + "=\"" + button.prop.id + "\" class=\"psv-panel-menu-item\" tabindex=\"0\">\n      <span class=\"psv-panel-menu-item-icon\">" + button.container.innerHTML + "</span>\n      <span class=\"psv-panel-menu-item-label\">" + button.container.title + "</span>\n    </li>\n    ";
-    }).join('') + "\n  </ul>\n</div>\n";
-  };
-
-  var arrow = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"40 40 432 432\"><g transform=\"rotate(0, 256, 256)\"><path fill=\"currentColor\" d=\"M425.23 210.55H227.39a5 5 0 01-3.53-8.53l56.56-56.57a45.5 45.5 0 000-64.28 45.15 45.15 0 00-32.13-13.3 45.15 45.15 0 00-32.14 13.3L41.32 256l174.83 174.83a45.15 45.15 0 0032.14 13.3 45.15 45.15 0 0032.13-13.3 45.5 45.5 0 000-64.28l-56.57-56.57a5 5 0 013.54-8.53h197.84c25.06 0 45.45-20.39 45.45-45.45s-20.4-45.45-45.45-45.45z\"/></g><!-- Created by Flatart from the Noun Project --></svg>\n";
-
-  /**
-   * @summary Helper for pressable things (buttons, keyboard)
-   * @description When the pressed thing goes up and was not pressed long enough, wait a bit more before execution
-   * @private
-   */
-  var PressHandler = /*#__PURE__*/function () {
-    function PressHandler(delay) {
-      if (delay === void 0) {
-        delay = 200;
-      }
-
-      this.delay = delay;
-      this.time = 0;
-      this.timeout = null;
-    }
-
-    var _proto = PressHandler.prototype;
-
-    _proto.down = function down() {
-      if (this.timeout) {
-        clearTimeout(this.timeout);
-        this.timeout = null;
-      }
-
-      this.time = new Date().getTime();
-    };
-
-    _proto.up = function up(cb) {
-      var _this = this;
-
-      if (!this.time) {
-        return;
-      }
-
-      var elapsed = new Date().getTime() - this.time;
-
-      if (elapsed < this.delay) {
-        this.timeout = setTimeout(function () {
-          cb();
-          _this.timeout = null;
-          _this.time = 0;
-        }, this.delay);
-      } else {
-        cb();
-        this.time = 0;
-      }
-    };
-
-    return PressHandler;
-  }();
-
-  function getOrientedArrow(direction) {
-    var angle = 0;
-
-    switch (direction) {
-      // @formatter:off
-      case 'up':
-        angle = 90;
-        break;
-
-      case 'right':
-        angle = 180;
-        break;
-
-      case 'down':
-        angle = -90;
-        break;
-
-      default:
-        angle = 0;
-        break;
-      // @formatter:on
-    }
-
-    return arrow.replace('rotate(0', "rotate(" + angle);
-  }
-  /**
-   * @summary Navigation bar move button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AbstractMoveButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AbstractMoveButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {number} value
-     */
-    function AbstractMoveButton(navbar, value) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-move-button') || this;
-      _this.container.title = _this.psv.config.lang.move;
-      /**
-       * @override
-       * @property {{longitude: boolean, latitude: boolean}} value
-       * @property {PressHandler} handler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        value: value,
-        handler: new PressHandler()
-      });
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keydown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keyup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AbstractMoveButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__onMouseUp();
-
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp();
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp();
-
-          break;
-
-        case 'keydown':
-          e.key === KEY_CODES.Enter && this.__onMouseDown();
-          break;
-
-        case 'keyup':
-          e.key === KEY_CODES.Enter && this.__onMouseUp();
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown() {
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.psv.__stopAll();
-
-      this.psv.dynamics.position.roll(this.prop.value);
-      this.prop.handler.down();
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp() {
-      var _this2 = this;
-
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.prop.handler.up(function () {
-        _this2.psv.dynamics.position.stop();
-
-        _this2.psv.resetIdleTimer();
-      });
-    };
-
-    return AbstractMoveButton;
-  }(AbstractButton);
-  AbstractMoveButton.groupId = 'move';
-
-  /**
-   * @summary Navigation bar move down button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveDownButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveDownButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveDownButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        latitude: true
-      }) || this;
-    }
-
-    return MoveDownButton;
-  }(AbstractMoveButton);
-  MoveDownButton.id = 'moveDown';
-  MoveDownButton.icon = getOrientedArrow('down');
-
-  /**
-   * @summary Navigation bar move left button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveLeftButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveLeftButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveLeftButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        longitude: true
-      }) || this;
-    }
-
-    return MoveLeftButton;
-  }(AbstractMoveButton);
-  MoveLeftButton.id = 'moveLeft';
-  MoveLeftButton.icon = getOrientedArrow('left');
-
-  /**
-   * @summary Navigation bar move right button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveRightButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveRightButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveRightButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        longitude: false
-      }) || this;
-    }
-
-    return MoveRightButton;
-  }(AbstractMoveButton);
-  MoveRightButton.id = 'moveRight';
-  MoveRightButton.icon = getOrientedArrow('right');
-
-  /**
-   * @summary Navigation bar move up button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveUpButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveUpButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveUpButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        latitude: false
-      }) || this;
-    }
-
-    return MoveUpButton;
-  }(AbstractMoveButton);
-  MoveUpButton.id = 'moveUp';
-  MoveUpButton.icon = getOrientedArrow('up');
-
-  /**
-   * @summary Navigation bar zoom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AbstractZoomButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AbstractZoomButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {number} value
-     */
-    function AbstractZoomButton(navbar, value) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-zoom-button') || this;
-      /**
-       * @override
-       * @property {boolean} value
-       * @property {PressHandler} handler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        value: value,
-        handler: new PressHandler()
-      });
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keydown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keyup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AbstractZoomButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__onMouseUp();
-
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp();
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp();
-
-          break;
-
-        case 'keydown':
-          e.key === KEY_CODES.Enter && this.__onMouseDown();
-          break;
-
-        case 'keyup':
-          e.key === KEY_CODES.Enter && this.__onMouseUp();
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown() {
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.psv.dynamics.zoom.roll(this.prop.value);
-      this.prop.handler.down();
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp() {
-      var _this2 = this;
-
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.prop.handler.up(function () {
-        return _this2.psv.dynamics.zoom.stop();
-      });
-    };
-
-    return AbstractZoomButton;
-  }(AbstractButton);
-  AbstractZoomButton.groupId = 'zoom';
-
-  var zoomIn = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 20 20\"><path fill=\"currentColor\" d=\"M14.043 12.22a7.738 7.738 0 1 0-1.823 1.822l4.985 4.985c.503.504 1.32.504 1.822 0a1.285 1.285 0 0 0 0-1.822l-4.984-4.985zm-6.305 1.043a5.527 5.527 0 1 1 0-11.053 5.527 5.527 0 0 1 0 11.053z\"/><path fill=\"currentColor\" d=\"M8.728 4.009H6.744v2.737H4.006V8.73h2.738v2.736h1.984V8.73h2.737V6.746H8.728z\"/><!--Created by Ryan Canning from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar zoom-in button class
-   * @extends PSV.buttons.AbstractZoomButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomInButton = /*#__PURE__*/function (_AbstractZoomButton) {
-    _inheritsLoose(ZoomInButton, _AbstractZoomButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomInButton(navbar) {
-      return _AbstractZoomButton.call(this, navbar, false) || this;
-    }
-
-    return ZoomInButton;
-  }(AbstractZoomButton);
-  ZoomInButton.id = 'zoomIn';
-  ZoomInButton.icon = zoomIn;
-
-  var zoomOut = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 20 20\"><path fill=\"currentColor\" d=\"M14.043 12.22a7.738 7.738 0 1 0-1.823 1.822l4.985 4.985c.503.504 1.32.504 1.822 0a1.285 1.285 0 0 0 0-1.822l-4.984-4.985zm-6.305 1.043a5.527 5.527 0 1 1 0-11.053 5.527 5.527 0 0 1 0 11.053z\"/><path fill=\"currentColor\" d=\"M4.006 6.746h7.459V8.73H4.006z\"/><!--Created by Ryan Canning from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar zoom-out button class
-   * @extends PSV.buttons.AbstractZoomButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomOutButton = /*#__PURE__*/function (_AbstractZoomButton) {
-    _inheritsLoose(ZoomOutButton, _AbstractZoomButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomOutButton(navbar) {
-      return _AbstractZoomButton.call(this, navbar, true) || this;
-    }
-
-    return ZoomOutButton;
-  }(AbstractZoomButton);
-  ZoomOutButton.id = 'zoomOut';
-  ZoomOutButton.icon = zoomOut;
-
-  /**
-   * @summary Navigation bar zoom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomRangeButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(ZoomRangeButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomRangeButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-zoom-range', false, false) || this;
-      /**
-       * @override
-       * @property {number} mediaMinWidth
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        mediaMinWidth: 0
-      });
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.zoomRange = document.createElement('div');
-      _this.zoomRange.className = 'psv-zoom-range-line';
-
-      _this.container.appendChild(_this.zoomRange);
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.zoomValue = document.createElement('div');
-      _this.zoomValue.className = 'psv-zoom-range-handle';
-
-      _this.zoomRange.appendChild(_this.zoomValue);
-      /**
-       * @member {PSV.Slider}
-       * @readonly
-       * @private
-       */
-
-
-      _this.slider = new Slider({
-        container: _this.container,
-        direction: Slider.HORIZONTAL,
-        onUpdate: function onUpdate(e) {
-          return _this.__onSliderUpdate(e);
-        }
-      });
-      _this.prop.mediaMinWidth = parseInt(getStyle(_this.container, 'maxWidth'), 10);
-
-      _this.psv.on(EVENTS.ZOOM_UPDATED, _assertThisInitialized(_this));
-
-      if (_this.psv.prop.ready) {
-        _this.__moveZoomValue(_this.psv.getZoomLevel());
-      } else {
-        _this.psv.once(EVENTS.READY, _assertThisInitialized(_this));
-      }
-
-      _this.refreshUi();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = ZoomRangeButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.slider.destroy();
-      delete this.zoomRange;
-      delete this.zoomValue;
-      this.psv.off(EVENTS.ZOOM_UPDATED, this);
-      this.psv.off(EVENTS.READY, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.ZOOM_UPDATED:
-          this.__moveZoomValue(e.args[0]);
-
-          break;
-
-        case EVENTS.READY:
-          this.__moveZoomValue(this.psv.getZoomLevel());
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      if (this.prop.supported) {
-        if (this.psv.prop.size.width <= this.prop.mediaMinWidth && this.prop.visible) {
-          this.hide();
-        } else if (this.psv.prop.size.width > this.prop.mediaMinWidth && !this.prop.visible) {
-          this.show();
-        }
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @summary Moves the zoom cursor
-     * @param {number} level
-     * @private
-     */
-    ;
-
-    _proto.__moveZoomValue = function __moveZoomValue(level) {
-      this.zoomValue.style.left = level / 100 * this.zoomRange.offsetWidth - this.zoomValue.offsetWidth / 2 + 'px';
-    }
-    /**
-     * @summary Zoom change
-     * @private
-     */
-    ;
-
-    _proto.__onSliderUpdate = function __onSliderUpdate(e) {
-      if (e.mousedown) {
-        this.psv.zoom(e.value * 100);
-      }
-    };
-
-    return ZoomRangeButton;
-  }(AbstractButton);
-  ZoomRangeButton.id = 'zoomRange';
-  ZoomRangeButton.groupId = 'zoom';
-
-  /**
-   * @namespace PSV.plugins
-   */
-
-  /**
-   * @summary Base plugins class
-   * @memberof PSV.plugins
-   * @abstract
-   */
-
-  var AbstractPlugin = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(AbstractPlugin, _EventEmitter);
-
-    /**
-     * @summary Unique identifier of the plugin
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractPlugin(psv) {
-      var _this;
-
-      _this = _EventEmitter.call(this) || this;
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-
-      _this.psv = psv;
-      return _this;
-    }
-    /**
-     * @summary Initializes the plugin
-     * @package
-     */
-
-
-    var _proto = AbstractPlugin.prototype;
-
-    _proto.init = function init() {}
-    /**
-     * @summary Destroys the plugin
-     * @package
-     */
-    ;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-    };
-
-    return AbstractPlugin;
-  }(uevent.EventEmitter);
-  AbstractPlugin.id = null;
-
-  var _keyboard;
-  /**
-   * @summary Default options
-   * @type {PSV.Options}
-   * @memberOf PSV
-   * @constant
-   */
-
-  var DEFAULTS = {
-    panorama: null,
-    overlay: null,
-    overlayOpacity: 1,
-    container: null,
-    adapter: null,
-    plugins: [],
-    caption: null,
-    description: null,
-    downloadUrl: null,
-    loadingImg: null,
-    loadingTxt: 'Loading...',
-    size: null,
-    fisheye: false,
-    minFov: 30,
-    maxFov: 90,
-    defaultZoomLvl: 50,
-    defaultLong: 0,
-    defaultLat: 0,
-    sphereCorrection: null,
-    moveSpeed: 1,
-    zoomSpeed: 1,
-    autorotateDelay: null,
-    autorotateIdle: false,
-    autorotateSpeed: '2rpm',
-    autorotateLat: null,
-    moveInertia: true,
-    mousewheel: true,
-    mousemove: true,
-    captureCursor: false,
-    mousewheelCtrlKey: false,
-    touchmoveTwoFingers: false,
-    useXmpData: true,
-    panoData: null,
-    requestHeaders: null,
-    canvasBackground: '#000',
-    withCredentials: false,
-    navbar: ['autorotate', 'zoom', 'move', 'download', 'description', 'caption', 'fullscreen'],
-    lang: {
-      autorotate: 'Automatic rotation',
-      zoom: 'Zoom',
-      zoomOut: 'Zoom out',
-      zoomIn: 'Zoom in',
-      move: 'Move',
-      download: 'Download',
-      fullscreen: 'Fullscreen',
-      menu: 'Menu',
-      twoFingers: 'Use two fingers to navigate',
-      ctrlZoom: 'Use ctrl + scroll to zoom the image',
-      loadError: 'The panorama can\'t be loaded'
-    },
-    keyboard: (_keyboard = {}, _keyboard[KEY_CODES.ArrowUp] = ACTIONS.ROTATE_LAT_UP, _keyboard[KEY_CODES.ArrowDown] = ACTIONS.ROTATE_LAT_DOWN, _keyboard[KEY_CODES.ArrowRight] = ACTIONS.ROTATE_LONG_RIGHT, _keyboard[KEY_CODES.ArrowLeft] = ACTIONS.ROTATE_LONG_LEFT, _keyboard[KEY_CODES.PageUp] = ACTIONS.ZOOM_IN, _keyboard[KEY_CODES.PageDown] = ACTIONS.ZOOM_OUT, _keyboard[KEY_CODES.Plus] = ACTIONS.ZOOM_IN, _keyboard[KEY_CODES.Minus] = ACTIONS.ZOOM_OUT, _keyboard[KEY_CODES.Space] = ACTIONS.TOGGLE_AUTOROTATE, _keyboard)
-  };
-  /**
-   * @summary List of unmodifiable options and their error messages
-   * @private
-   */
-
-  var READONLY_OPTIONS = {
-    panorama: 'Use setPanorama method to change the panorama',
-    panoData: 'Use setPanorama method to change the panorama',
-    container: 'Cannot change viewer container',
-    adapter: 'Cannot change adapter',
-    plugins: 'Cannot change plugins'
-  };
-  /**
-   * @summary List of deprecated options and their warning messages
-   * @private
-   */
-
-  var DEPRECATED_OPTIONS = {
-    zoomButtonIncrement: 'zoomButtonIncrement is deprecated, use zoomSpeed',
-    mousewheelSpeed: 'mousewheelSpeed is deprecated, use zoomSpeed',
-    sphereCorrectionReorder: 'sphereCorrectionReorder is deprecated'
-  };
-  /**
-   * @summary Parsers/validators for each option
-   * @private
-   */
-
-  var CONFIG_PARSERS = {
-    container: function container(_container) {
-      if (!_container) {
-        throw new PSVError('No value given for container.');
-      }
-
-      return _container;
-    },
-    adapter: function adapter(_adapter) {
-      if (!_adapter) {
-        _adapter = [EquirectangularAdapter];
-      } else if (Array.isArray(_adapter)) {
-        _adapter = [pluginInterop(_adapter[0], AbstractAdapter), _adapter[1]];
-      } else {
-        _adapter = [pluginInterop(_adapter, AbstractAdapter)];
-      }
-
-      if (!_adapter[0]) {
-        throw new PSVError('Un undefined value with given for adapter.');
-      }
-
-      return _adapter;
-    },
-    overlayOpacity: function overlayOpacity(_overlayOpacity) {
-      return three.MathUtils.clamp(_overlayOpacity, 0, 1);
-    },
-    defaultLong: function defaultLong(_defaultLong) {
-      // defaultLat is between 0 and PI
-      return parseAngle(_defaultLong);
-    },
-    defaultLat: function defaultLat(_defaultLat) {
-      // defaultLat is between -PI/2 and PI/2
-      return parseAngle(_defaultLat, true);
-    },
-    minFov: function minFov(_minFov, config) {
-      // minFov and maxFov must be ordered
-      if (config.maxFov < _minFov) {
-        logWarn('maxFov cannot be lower than minFov');
-        _minFov = config.maxFov;
-      } // minFov between 1 and 179
-
-
-      return three.MathUtils.clamp(_minFov, 1, 179);
-    },
-    maxFov: function maxFov(_maxFov, config) {
-      // minFov and maxFov must be ordered
-      if (_maxFov < config.minFov) {
-        _maxFov = config.minFov;
-      } // maxFov between 1 and 179
-
-
-      return three.MathUtils.clamp(_maxFov, 1, 179);
-    },
-    lang: function lang(_lang) {
-      if (Array.isArray(_lang.twoFingers)) {
-        logWarn('lang.twoFingers must not be an array');
-        _lang.twoFingers = _lang.twoFingers[0];
-      }
-
-      return _extends({}, DEFAULTS.lang, _lang);
-    },
-    keyboard: function keyboard(_keyboard2) {
-      // keyboard=true becomes the default map
-      if (_keyboard2 === true) {
-        return clone(DEFAULTS.keyboard);
-      }
-
-      return _keyboard2;
-    },
-    autorotateLat: function autorotateLat(_autorotateLat, config) {
-      // default autorotateLat is defaultLat
-      if (_autorotateLat === null) {
-        return parseAngle(config.defaultLat, true);
-      } // autorotateLat is between -PI/2 and PI/2
-      else {
-        return parseAngle(_autorotateLat, true);
-      }
-    },
-    autorotateSpeed: function autorotateSpeed(_autorotateSpeed) {
-      return parseSpeed(_autorotateSpeed);
-    },
-    autorotateIdle: function autorotateIdle(_autorotateIdle, config) {
-      if (_autorotateIdle && isNil(config.autorotateDelay)) {
-        logWarn('autorotateIdle requires a non null autorotateDelay');
-        return false;
-      }
-
-      return _autorotateIdle;
-    },
-    fisheye: function fisheye(_fisheye) {
-      // translate boolean fisheye to amount
-      if (_fisheye === true) {
-        return 1;
-      } else if (_fisheye === false) {
-        return 0;
-      }
-
-      return _fisheye;
-    },
-    plugins: function plugins(_plugins) {
-      return _plugins.map(function (plugin) {
-        if (Array.isArray(plugin)) {
-          plugin = [pluginInterop(plugin[0], AbstractPlugin), plugin[1]];
-        } else {
-          plugin = [pluginInterop(plugin, AbstractPlugin)];
-        }
-
-        if (!plugin[0]) {
-          throw new PSVError('Un undefined value was given for plugins.');
-        }
-
-        return plugin;
-      });
-    }
-  };
-  /**
-   * @summary Merge user config with default config and performs validation
-   * @param {PSV.Options} options
-   * @returns {PSV.Options}
-   * @memberOf PSV
-   * @private
-   */
-
-  function getConfig(options) {
-    var tempConfig = clone(DEFAULTS);
-    deepmerge(tempConfig, options);
-    var config = {};
-    each(tempConfig, function (value, key) {
-      if (DEPRECATED_OPTIONS[key]) {
-        logWarn(DEPRECATED_OPTIONS[key]);
-        return;
-      }
-
-      if (!Object.prototype.hasOwnProperty.call(DEFAULTS, key)) {
-        throw new PSVError("Unknown option " + key);
-      }
-
-      if (CONFIG_PARSERS[key]) {
-        config[key] = CONFIG_PARSERS[key](value, tempConfig);
-      } else {
-        config[key] = value;
-      }
-    });
-    return config;
-  }
-
-  /**
-   * @summary Navbar caption class
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var NavbarCaption = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(NavbarCaption, _AbstractComponent);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {string} caption
-     */
-    function NavbarCaption(navbar, caption) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, navbar, 'psv-caption') || this;
-      /**
-       * @override
-       * @property {string} id
-       * @property {boolean} collapsable
-       * @property {number} width
-       * @property {number} contentWidth - width of the caption content
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        id: _this.constructor.id,
-        collapsable: false,
-        width: 0,
-        contentWidth: 0
-      });
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-caption-content';
-
-      _this.container.appendChild(_this.content);
-
-      _this.setCaption(caption);
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = NavbarCaption.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Sets the bar caption
-     * @param {string} html
-     */
-    ;
-
-    _proto.setCaption = function setCaption(html) {
-      this.show();
-      this.content.innerHTML = html;
-      this.prop.contentWidth = html ? this.content.offsetWidth : 0;
-      this.refreshUi();
-    }
-    /**
-     * @summary Toggles content and icon depending on available space
-     * @private
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var availableWidth = this.container.offsetWidth;
-
-      if (availableWidth >= this.prop.contentWidth) {
-        this.show();
-      } else if (availableWidth < this.prop.contentWidth) {
-        this.hide();
-      }
-
-      this.__refreshButton();
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.content.style.display = 'none';
-      this.prop.visible = false;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show() {
-      this.content.style.display = '';
-      this.prop.visible = true;
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__refreshButton = function __refreshButton() {
-      var _this$psv$navbar$getB;
-
-      (_this$psv$navbar$getB = this.psv.navbar.getButton(DescriptionButton.id, false)) == null ? void 0 : _this$psv$navbar$getB.refreshUi(true);
-    };
-
-    return NavbarCaption;
-  }(AbstractComponent);
-  NavbarCaption.id = 'caption';
-
-  /**
-   * @summary List of available buttons
-   * @type {Object<string, Class<PSV.buttons.AbstractButton>>}
-   * @private
-   */
-
-  var AVAILABLE_BUTTONS = {};
-  /**
-   * @summary List of available buttons
-   * @type {Object<string, Array<Class<PSV.buttons.AbstractButton>>>}
-   * @private
-   */
-
-  var AVAILABLE_GROUPS = {};
-  /**
-   * @summary Register a new button available for all viewers
-   * @param {Class<PSV.buttons.AbstractButton>} button
-   * @param {'start' | 'end' | '[id]:left' | '[id]:right'} [defaultPosition]
-   *    If provided the default configuration of the navbar will be modified.
-   * @memberOf PSV
-   */
-
-  function registerButton(button, defaultPosition) {
-    if (!button.id) {
-      throw new PSVError('Button ID is required');
-    }
-
-    AVAILABLE_BUTTONS[button.id] = button;
-
-    if (button.groupId) {
-      AVAILABLE_GROUPS[button.groupId] = AVAILABLE_GROUPS[button.groupId] || [];
-      AVAILABLE_GROUPS[button.groupId].push(button);
-    }
-
-    if (typeof defaultPosition === 'string') {
-      switch (defaultPosition) {
-        case 'start':
-          DEFAULTS.navbar.unshift(button.id);
-          break;
-
-        case 'end':
-          DEFAULTS.navbar.push(button.id);
-          break;
-
-        default:
-          var _defaultPosition$spli = defaultPosition.split(':'),
-              id = _defaultPosition$spli[0],
-              pos = _defaultPosition$spli[1];
-
-          DEFAULTS.navbar.splice(DEFAULTS.navbar.indexOf(id) + (pos === 'right' ? 1 : 0), 0, button.id);
-      }
-    }
-  }
-  [AutorotateButton, ZoomOutButton, ZoomRangeButton, ZoomInButton, DescriptionButton, DownloadButton, FullscreenButton, MoveLeftButton, MoveRightButton, MoveUpButton, MoveDownButton].forEach(registerButton);
-  /**
-   * @summary Navigation bar component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Navbar = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Navbar, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Navbar(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-navbar psv--capture-event') || this;
-      /**
-       * @summary List of buttons of the navbar
-       * @member {PSV.buttons.AbstractButton[]}
-       * @override
-       */
-
-      _this.children = [];
-      /**
-       * @summary List of collapsed buttons
-       * @member {PSV.buttons.AbstractButton[]}
-       * @private
-       */
-
-      _this.collapsed = [];
-      return _this;
-    }
-    /**
-     * @summary Change the buttons visible on the navbar
-     * @param {string|Array<string|PSV.NavbarCustomButton>} buttons
-     * @throws {PSV.PSVError} when a button is unknown
-     */
-
-
-    var _proto = Navbar.prototype;
-
-    _proto.setButtons = function setButtons(buttons) {
-      var _this2 = this;
-
-      this.children.slice().forEach(function (item) {
-        return item.destroy();
-      });
-      this.children.length = 0;
-
-      var cleanedButtons = this.__cleanButtons(buttons); // force description button if caption is present (used on narrow screens)
-
-
-      if (cleanedButtons.indexOf(NavbarCaption.id) !== -1 && cleanedButtons.indexOf(DescriptionButton.id) === -1) {
-        cleanedButtons.splice(cleanedButtons.indexOf(NavbarCaption.id), 0, DescriptionButton.id);
-      }
-      /* eslint-disable no-new */
-
-
-      cleanedButtons.forEach(function (button) {
-        if (typeof button === 'object') {
-          new CustomButton(_this2, button);
-        } else if (AVAILABLE_BUTTONS[button]) {
-          new AVAILABLE_BUTTONS[button](_this2);
-        } else if (AVAILABLE_GROUPS[button]) {
-          AVAILABLE_GROUPS[button].forEach(function (buttonCtor) {
-            return new buttonCtor(_this2);
-          }); // eslint-disable-line new-cap
-        } else if (button === NavbarCaption.id) {
-          new NavbarCaption(_this2, _this2.psv.config.caption);
-        } else {
-          throw new PSVError('Unknown button ' + button);
-        }
-      });
-      new MenuButton(this);
-      /* eslint-enable no-new */
-
-      this.children.forEach(function (item) {
-        if (typeof item.checkSupported === 'function') {
-          item.checkSupported();
-        }
-      });
-    }
-    /**
-     * @summary Sets the bar caption
-     * @param {string} html
-     */
-    ;
-
-    _proto.setCaption = function setCaption(html) {
-      var caption = this.getButton(NavbarCaption.id, false);
-      caption == null ? void 0 : caption.setCaption(html);
-    }
-    /**
-     * @summary Returns a button by its identifier
-     * @param {string} id
-     * @param {boolean} [warnNotFound=true]
-     * @returns {PSV.buttons.AbstractButton}
-     */
-    ;
-
-    _proto.getButton = function getButton(id, warnNotFound) {
-      if (warnNotFound === void 0) {
-        warnNotFound = true;
-      }
-
-      var button = null;
-      this.children.some(function (item) {
-        if (item.prop.id === id) {
-          button = item;
-          return true;
-        } else {
-          return false;
-        }
-      });
-
-      if (!button && warnNotFound) {
-        logWarn("button \"" + id + "\" not found in the navbar");
-      }
-
-      return button;
-    }
-    /**
-     * @summary Shows the navbar
-     */
-    ;
-
-    _proto.show = function show() {
-      this.container.classList.add('psv-navbar--open');
-      this.prop.visible = true;
-    }
-    /**
-     * @summary Hides the navbar
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.classList.remove('psv-navbar--open');
-      this.prop.visible = false;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      _AbstractComponent.prototype.refreshUi.call(this);
-
-      if (this.psv.prop.uiRefresh === true) {
-        var availableWidth = this.container.offsetWidth;
-        var totalWidth = 0;
-        var visibleButtons = [];
-        var collapsableButtons = [];
-        this.children.forEach(function (item) {
-          if (item.prop.visible) {
-            totalWidth += item.prop.width;
-            visibleButtons.push(item);
-
-            if (item.prop.collapsable) {
-              collapsableButtons.push(item);
-            }
-          }
-        });
-
-        if (!visibleButtons.length) {
-          return;
-        }
-
-        if (availableWidth < totalWidth && collapsableButtons.length > 0) {
-          collapsableButtons.forEach(function (item) {
-            return item.collapse();
-          });
-          this.collapsed = collapsableButtons;
-          this.getButton(MenuButton.id).show(false);
-        } else if (availableWidth >= totalWidth && this.collapsed.length > 0) {
-          this.collapsed.forEach(function (item) {
-            return item.uncollapse();
-          });
-          this.collapsed = [];
-          this.getButton(MenuButton.id).hide(false);
-        }
-
-        var caption = this.getButton(NavbarCaption.id, false);
-
-        if (caption) {
-          caption.refreshUi();
-        }
-      }
-    }
-    /**
-     * @summary Ensure the buttons configuration is correct
-     * @private
-     */
-    ;
-
-    _proto.__cleanButtons = function __cleanButtons(buttons) {
-      // true becomes the default array
-      if (buttons === true) {
-        return clone(DEFAULTS.navbar);
-      } // can be a space or coma separated list
-      else if (typeof buttons === 'string') {
-        return buttons.split(/[ ,]/);
-      } else {
-        return buttons || [];
-      }
-    };
-
-    return Navbar;
-  }(AbstractComponent);
-
-  /**
-   * @summary Loader component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Loader = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Loader, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Loader(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-loader-container') || this;
-      /**
-       * @summary Inner container for vertical center
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.loader = document.createElement('div');
-      _this.loader.className = 'psv-loader';
-
-      _this.container.appendChild(_this.loader);
-      /**
-       * @summary Animation canvas
-       * @member {HTMLCanvasElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.canvas = document.createElement('canvas');
-      _this.canvas.className = 'psv-loader-canvas';
-      _this.canvas.width = _this.loader.clientWidth * SYSTEM.pixelRatio;
-      _this.canvas.height = _this.loader.clientWidth * SYSTEM.pixelRatio;
-
-      _this.loader.appendChild(_this.canvas);
-      /**
-       * @override
-       * @property {number} thickness
-       * @property {string} current
-       */
-
-
-      _this.prop = _extends({}, _this.prop, {
-        tickness: (_this.loader.offsetWidth - _this.loader.clientWidth) / 2 * SYSTEM.pixelRatio,
-        current: null
-      });
-
-      _this.refreshUi();
-
-      _this.hide();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Loader.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.loader;
-      delete this.canvas;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      if (this.prop.current !== (this.psv.config.loadingImg || this.psv.config.loadingTxt)) {
-        if (this.prop.current) {
-          this.loader.removeChild(this.loader.lastChild);
-        }
-
-        var inner;
-
-        if (this.psv.config.loadingImg) {
-          inner = document.createElement('img');
-          inner.className = 'psv-loader-image';
-          inner.src = this.psv.config.loadingImg;
-        } else if (this.psv.config.loadingTxt) {
-          inner = document.createElement('div');
-          inner.className = 'psv-loader-text';
-          inner.innerHTML = this.psv.config.loadingTxt;
-        }
-
-        if (inner) {
-          var size = Math.round(Math.sqrt(2 * Math.pow((this.canvas.width / 2 - this.prop.tickness / 2) / SYSTEM.pixelRatio, 2)));
-          inner.style.maxWidth = size + 'px';
-          inner.style.maxHeight = size + 'px';
-          this.loader.appendChild(inner);
-        }
-
-        this.prop.current = this.psv.config.loadingImg || this.psv.config.loadingTxt;
-      }
-    }
-    /**
-     * @summary Sets the loader progression
-     * @param {number} value - from 0 to 100
-     */
-    ;
-
-    _proto.setProgress = function setProgress(value) {
-      var context = this.canvas.getContext('2d');
-      context.clearRect(0, 0, this.canvas.width, this.canvas.height);
-      context.lineWidth = this.prop.tickness;
-      context.strokeStyle = getStyle(this.loader, 'color');
-      context.beginPath();
-      context.arc(this.canvas.width / 2, this.canvas.height / 2, this.canvas.width / 2 - this.prop.tickness / 2, -Math.PI / 2, three.MathUtils.clamp(value, 0, 100) / 100 * 2 * Math.PI - Math.PI / 2);
-      context.stroke();
-      this.psv.trigger(EVENTS.LOAD_PROGRESS, Math.round(value));
-    };
-
-    return Loader;
-  }(AbstractComponent);
-
-  /**
-   * @summary Notification component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Notification = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Notification, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Notification(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-notification') || this;
-      /**
-       * @override
-       * @property {*} timeout
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        visible: false,
-        contentId: undefined,
-        timeout: null
-      });
-      /**
-       * Notification content
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-notification-content';
-
-      _this.container.appendChild(_this.content);
-
-      _this.content.addEventListener('click', function () {
-        return _this.hide();
-      });
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Notification.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Notification cannot be toggled');
-    }
-    /**
-     * @summary Displays a notification on the viewer
-     * @param {Object|string} config
-     * @param {string} [config.id] - unique identifier to use with "hide"
-     * @param {string} config.content
-     * @param {number} [config.timeout]
-     * @fires PSV.show-notification
-     *
-     * @example
-     * viewer.showNotification({ content: 'Hello world', timeout: 5000 })
-     * @example
-     * viewer.showNotification('Hello world')
-     */
-    ;
-
-    _proto.show = function show(config) {
-      var _this2 = this;
-
-      if (this.prop.timeout) {
-        clearTimeout(this.prop.timeout);
-        this.prop.timeout = null;
-      }
-
-      if (typeof config === 'string') {
-        config = {
-          content: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.content.innerHTML = config.content;
-      this.container.classList.add('psv-notification--visible');
-      this.prop.visible = true;
-      this.psv.trigger(EVENTS.SHOW_NOTIFICATION, config.id);
-
-      if (config.timeout) {
-        this.prop.timeout = setTimeout(function () {
-          return _this2.hide(config.id);
-        }, config.timeout);
-      }
-    }
-    /**
-     * @summary Hides the notification
-     * @param {string} [id]
-     * @fires PSV.hide-notification
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-        this.container.classList.remove('psv-notification--visible');
-        this.prop.visible = false;
-        this.prop.contentId = undefined;
-        this.psv.trigger(EVENTS.HIDE_NOTIFICATION, contentId);
-      }
-    };
-
-    return Notification;
-  }(AbstractComponent);
-
-  /**
-   * @summary Overlay component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Overlay = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Overlay, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Overlay(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-overlay') || this;
-      /**
-       * @override
-       * @property {string} contentId
-       * @property {boolean} dissmisable
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        contentId: undefined,
-        dissmisable: true
-      });
-      /**
-       * Image container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.image = document.createElement('div');
-      _this.image.className = 'psv-overlay-image';
-
-      _this.container.appendChild(_this.image);
-      /**
-       * Text container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.text = document.createElement('div');
-      _this.text.className = 'psv-overlay-text';
-
-      _this.container.appendChild(_this.text);
-      /**
-       * Subtext container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.subtext = document.createElement('div');
-      _this.subtext.className = 'psv-overlay-subtext';
-
-      _this.container.appendChild(_this.subtext);
-
-      _this.psv.on(EVENTS.CLICK, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.KEY_PRESS, _assertThisInitialized(_this));
-
-      _AbstractComponent.prototype.hide.call(_assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Overlay.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.CLICK, this);
-      this.psv.off(EVENTS.KEY_PRESS, this);
-      delete this.image;
-      delete this.text;
-      delete this.subtext;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        case EVENTS.CLICK:
-          if (this.isVisible() && this.prop.dissmisable) {
-            this.hide();
-            e.stopPropagation();
-          }
-
-          break;
-
-        case EVENTS.KEY_PRESS:
-          if (this.isVisible() && this.prop.dissmisable && e.args[0] === KEY_CODES.Escape) {
-            this.hide();
-            e.preventDefault();
-          }
-
-          break;
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Overlay cannot be toggled');
-    }
-    /**
-     * @summary Displays an overlay on the viewer
-     * @param {Object|string} config
-     * @param {string} [config.id] - unique identifier to use with "hide"
-     * @param {string} config.image - SVG image/icon displayed above the text
-     * @param {string} config.text - main message
-     * @param {string} [config.subtext] - secondary message
-     * @param {boolean} [config.dissmisable=true] - if the user can hide the overlay by clicking
-     * @fires PSV.show-overlay
-     */
-    ;
-
-    _proto.show = function show(config) {
-      if (typeof config === 'string') {
-        config = {
-          text: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.prop.dissmisable = config.dissmisable !== false;
-      this.image.innerHTML = config.image || '';
-      this.text.innerHTML = config.text || '';
-      this.subtext.innerHTML = config.subtext || '';
-
-      _AbstractComponent.prototype.show.call(this);
-
-      this.psv.trigger(EVENTS.SHOW_OVERLAY, config.id);
-    }
-    /**
-     * @summary Hides the overlay
-     * @param {string} [id]
-     * @fires PSV.hide-overlay
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-
-        _AbstractComponent.prototype.hide.call(this);
-
-        this.prop.contentId = undefined;
-        this.psv.trigger(EVENTS.HIDE_OVERLAY, contentId);
-      }
-    };
-
-    return Overlay;
-  }(AbstractComponent);
-
-  /**
-   * @summary Minimum width of the panel
-   * @type {number}
-   * @constant
-   * @private
-   */
-
-  var PANEL_MIN_WIDTH = 200;
-  /**
-   * @summary Panel component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Panel = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Panel, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Panel(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-panel psv--capture-event') || this;
-      /**
-       * @override
-       * @property {string} contentId
-       * @property {number} mouseX
-       * @property {number} mouseY
-       * @property {boolean} mousedown
-       * @property {function} clickHandler
-       * @property {function} keyHandler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        visible: false,
-        contentId: undefined,
-        mouseX: 0,
-        mouseY: 0,
-        mousedown: false,
-        clickHandler: null,
-        keyHandler: null,
-        width: {}
-      });
-      var resizer = document.createElement('div');
-      resizer.className = 'psv-panel-resizer';
-
-      _this.container.appendChild(resizer);
-
-      var closeBtn = document.createElement('div');
-      closeBtn.className = 'psv-panel-close-button';
-
-      _this.container.appendChild(closeBtn);
-      /**
-       * @summary Content container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-panel-content';
-
-      _this.container.appendChild(_this.content); // Stop wheel event bubbling from panel
-
-
-      _this.container.addEventListener(SYSTEM.mouseWheelEvent, function (e) {
-        return e.stopPropagation();
-      });
-
-      closeBtn.addEventListener('click', function () {
-        return _this.hide();
-      }); // Event for panel resizing + stop bubling
-
-      resizer.addEventListener('mousedown', _assertThisInitialized(_this));
-      resizer.addEventListener('touchstart', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mousemove', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchmove', _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.KEY_PRESS, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Panel.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.KEY_PRESS, this);
-      this.psv.container.removeEventListener('mousemove', this);
-      this.psv.container.removeEventListener('touchmove', this);
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-      delete this.prop;
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown(e);
-
-          break;
-
-        case 'touchstart':
-          this.__onTouchStart(e);
-
-          break;
-
-        case 'mousemove':
-          this.__onMouseMove(e);
-
-          break;
-
-        case 'touchmove':
-          this.__onTouchMove(e);
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(e);
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp(e);
-
-          break;
-
-        case EVENTS.KEY_PRESS:
-          if (this.isVisible() && e.args[0] === KEY_CODES.Escape) {
-            this.hide();
-            e.preventDefault();
-          }
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Panel cannot be toggled');
-    }
-    /**
-     * @summary Shows the panel
-     * @param {string|Object} config
-     * @param {string} [config.id] - unique identifier to use with "hide" and to store the user desired width
-     * @param {string} config.content - HTML content of the panel
-     * @param {boolean} [config.noMargin=false] - remove the default margins
-     * @param {string} [config.width] - initial width
-     * @param {Function} [config.clickHandler] - called when the user clicks inside the panel or presses the Enter key while an element focused
-     * @fires PSV.open-panel
-     */
-    ;
-
-    _proto.show = function show(config) {
-      var _this2 = this;
-
-      var wasVisible = this.isVisible(config.id);
-
-      if (typeof config === 'string') {
-        config = {
-          content: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.prop.visible = true;
-
-      if (this.prop.clickHandler) {
-        this.content.removeEventListener('click', this.prop.clickHandler);
-        this.content.removeEventListener('keydown', this.prop.keyHandler);
-        this.prop.clickHandler = null;
-        this.prop.keyHandler = null;
-      }
-
-      if (config.id && this.prop.width[config.id]) {
-        this.container.style.width = this.prop.width[config.id];
-      } else if (config.width) {
-        this.container.style.width = config.width;
-      } else {
-        this.container.style.width = null;
-      }
-
-      this.content.innerHTML = config.content;
-      this.content.scrollTop = 0;
-      this.container.classList.add('psv-panel--open');
-      toggleClass(this.content, 'psv-panel-content--no-margin', config.noMargin === true);
-
-      if (config.clickHandler) {
-        this.prop.clickHandler = config.clickHandler;
-
-        this.prop.keyHandler = function (e) {
-          if (e.key === KEY_CODES.Enter) {
-            config.clickHandler(e);
-          }
-        };
-
-        this.content.addEventListener('click', this.prop.clickHandler);
-        this.content.addEventListener('keydown', this.prop.keyHandler); // focus the first element if possible, after animation ends
-
-        if (!wasVisible) {
-          setTimeout(function () {
-            var _this2$content$queryS;
-
-            (_this2$content$queryS = _this2.content.querySelector('a,button,[tabindex]')) == null ? void 0 : _this2$content$queryS.focus();
-          }, 300);
-        }
-      }
-
-      this.psv.trigger(EVENTS.OPEN_PANEL, config.id);
-    }
-    /**
-     * @summary Hides the panel
-     * @param {string} [id]
-     * @fires PSV.close-panel
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-        this.prop.visible = false;
-        this.prop.contentId = undefined;
-        this.content.innerHTML = null;
-        this.container.classList.remove('psv-panel--open');
-
-        if (this.prop.clickHandler) {
-          this.content.removeEventListener('click', this.prop.clickHandler);
-          this.prop.clickHandler = null;
-        }
-
-        this.psv.trigger(EVENTS.CLOSE_PANEL, contentId);
-      }
-    }
-    /**
-     * @summary Handles mouse down events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      evt.stopPropagation();
-
-      this.__startResize(evt);
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      evt.stopPropagation();
-
-      this.__startResize(evt.changedTouches[0]);
-    }
-    /**
-     * @summary Handles mouse up events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (this.prop.mousedown) {
-        evt.stopPropagation();
-        this.prop.mousedown = false;
-        this.content.classList.remove('psv-panel-content--no-interaction');
-      }
-    }
-    /**
-     * @summary Handles mouse move events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.prop.mousedown) {
-        evt.stopPropagation();
-
-        this.__resize(evt);
-      }
-    }
-    /**
-     * @summary Handles touch move events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      if (this.prop.mousedown) {
-        this.__resize(evt.touches[0]);
-      }
-    }
-    /**
-     * @summary Initializes the panel resize
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__startResize = function __startResize(evt) {
-      this.prop.mouseX = evt.clientX;
-      this.prop.mouseY = evt.clientY;
-      this.prop.mousedown = true;
-      this.content.classList.add('psv-panel-content--no-interaction');
-    }
-    /**
-     * @summary Resizes the panel
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__resize = function __resize(evt) {
-      var x = evt.clientX;
-      var y = evt.clientY;
-      var width = Math.max(PANEL_MIN_WIDTH, this.container.offsetWidth - (x - this.prop.mouseX)) + 'px';
-
-      if (this.prop.contentId) {
-        this.prop.width[this.prop.contentId] = width;
-      }
-
-      this.container.style.width = width;
-      this.prop.mouseX = x;
-      this.prop.mouseY = y;
-    };
-
-    return Panel;
-  }(AbstractComponent);
-
-  var errorIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"15 15 70 70\"><path fill=\"currentColor\" d=\"M50,16.2c-18.6,0-33.8,15.1-33.8,33.8S31.4,83.7,50,83.7S83.8,68.6,83.8,50S68.6,16.2,50,16.2z M50,80.2c-16.7,0-30.2-13.6-30.2-30.2S33.3,19.7,50,19.7S80.3,33.3,80.3,50S66.7,80.2,50,80.2z\"/><rect fill=\"currentColor\" x=\"48\" y=\"31.7\" width=\"4\" height=\"28\"/><rect fill=\"currentColor\" x=\"48\" y=\"63.2\" width=\"4\" height=\"5\"/><!--Created by Shastry from the Noun Project--></svg>\n";
-
-  /**
-   * @namespace PSV.services
-   */
-
-  /**
-   * @summary Base services class
-   * @memberof PSV.services
-   * @abstract
-   */
-  var AbstractService = /*#__PURE__*/function () {
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractService(psv) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = psv;
-      /**
-       * @summary Configuration holder
-       * @type {PSV.Options}
-       * @readonly
-       */
-
-      this.config = psv.config;
-      /**
-       * @summary Properties holder
-       * @type {Object}
-       * @readonly
-       */
-
-      this.prop = psv.prop;
-    }
-    /**
-     * @summary Destroys the service
-     */
-
-
-    var _proto = AbstractService.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-      delete this.config;
-      delete this.prop;
-    };
-
-    return AbstractService;
-  }();
-
-  var vector2 = new three.Vector2();
-  var vector3 = new three.Vector3();
-  var eulerZero = new three.Euler(0, 0, 0, 'ZXY');
-  /**
-   * @summary Collections of data converters for the current viewer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var DataHelper = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(DataHelper, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function DataHelper(psv) {
-      return _AbstractService.call(this, psv) || this;
-    }
-    /**
-     * @summary Converts vertical FOV to zoom level
-     * @param {number} fov
-     * @returns {number}
-     */
-
-
-    var _proto = DataHelper.prototype;
-
-    _proto.fovToZoomLevel = function fovToZoomLevel(fov) {
-      var temp = Math.round((fov - this.config.minFov) / (this.config.maxFov - this.config.minFov) * 100);
-      return temp - 2 * (temp - 50);
-    }
-    /**
-     * @summary Converts zoom level to vertical FOV
-     * @param {number} level
-     * @returns {number}
-     */
-    ;
-
-    _proto.zoomLevelToFov = function zoomLevelToFov(level) {
-      return this.config.maxFov + level / 100 * (this.config.minFov - this.config.maxFov);
-    }
-    /**
-     * @summary Convert vertical FOV to horizontal FOV
-     * @param {number} vFov
-     * @returns {number}
-     */
-    ;
-
-    _proto.vFovToHFov = function vFovToHFov(vFov) {
-      return three.MathUtils.radToDeg(2 * Math.atan(Math.tan(three.MathUtils.degToRad(vFov) / 2) * this.prop.aspect));
-    }
-    /**
-     * @summary Converts a speed into a duration from current position to a new position
-     * @param {string|number} value
-     * @param {number} angle
-     * @returns {number}
-     */
-    ;
-
-    _proto.speedToDuration = function speedToDuration(value, angle) {
-      if (!value || typeof value !== 'number') {
-        // desired radial speed
-        var speed = value ? parseSpeed(value) : this.config.autorotateSpeed; // compute duration
-
-        return angle / Math.abs(speed) * 1000;
-      } else {
-        return Math.abs(value);
-      }
-    }
-    /**
-     * @summary Converts pixel texture coordinates to spherical radians coordinates
-     * @param {PSV.Point} point
-     * @returns {PSV.Position}
-     * @throws {PSV.PSVError} when the current adapter does not support texture coordinates
-     */
-    ;
-
-    _proto.textureCoordsToSphericalCoords = function textureCoordsToSphericalCoords(point) {
-      var panoData = this.prop.panoData;
-
-      if (!panoData) {
-        throw new PSVError('Current adapter does not support texture coordinates.');
-      }
-
-      var relativeX = (point.x + panoData.croppedX) / panoData.fullWidth * Math.PI * 2;
-      var relativeY = (point.y + panoData.croppedY) / panoData.fullHeight * Math.PI;
-      var result = {
-        longitude: relativeX >= Math.PI ? relativeX - Math.PI : relativeX + Math.PI,
-        latitude: Math.PI / 2 - relativeY
-      }; // Apply panoData pose and sphereCorrection
-
-      if (!eulerZero.equals(this.psv.renderer.mesh.rotation) || !eulerZero.equals(this.psv.renderer.meshContainer.rotation)) {
-        this.sphericalCoordsToVector3(result, vector3);
-        vector3.applyEuler(this.psv.renderer.mesh.rotation);
-        vector3.applyEuler(this.psv.renderer.meshContainer.rotation);
-        return this.vector3ToSphericalCoords(vector3);
-      } else {
-        return result;
-      }
-    }
-    /**
-     * @summary Converts spherical radians coordinates to pixel texture coordinates
-     * @param {PSV.Position} position
-     * @returns {PSV.Point}
-     * @throws {PSV.PSVError} when the current adapter does not support texture coordinates
-     */
-    ;
-
-    _proto.sphericalCoordsToTextureCoords = function sphericalCoordsToTextureCoords(position) {
-      var panoData = this.prop.panoData;
-
-      if (!panoData) {
-        throw new PSVError('Current adapter does not support texture coordinates.');
-      } // Apply panoData pose and sphereCorrection
-
-
-      if (!eulerZero.equals(this.psv.renderer.mesh.rotation) || !eulerZero.equals(this.psv.renderer.meshContainer.rotation)) {
-        this.sphericalCoordsToVector3(position, vector3);
-        applyEulerInverse(vector3, this.psv.renderer.meshContainer.rotation);
-        applyEulerInverse(vector3, this.psv.renderer.mesh.rotation);
-        position = this.vector3ToSphericalCoords(vector3);
-      }
-
-      var relativeLong = position.longitude / Math.PI / 2 * panoData.fullWidth;
-      var relativeLat = position.latitude / Math.PI * panoData.fullHeight;
-      return {
-        x: Math.round(position.longitude < Math.PI ? relativeLong + panoData.fullWidth / 2 : relativeLong - panoData.fullWidth / 2) - panoData.croppedX,
-        y: Math.round(panoData.fullHeight / 2 - relativeLat) - panoData.croppedY
-      };
-    }
-    /**
-     * @summary Converts spherical radians coordinates to a THREE.Vector3
-     * @param {PSV.Position} position
-     * @param {external:THREE.Vector3} [vector]
-     * @returns {external:THREE.Vector3}
-     */
-    ;
-
-    _proto.sphericalCoordsToVector3 = function sphericalCoordsToVector3(position, vector) {
-      if (!vector) {
-        vector = new three.Vector3();
-      }
-
-      vector.x = SPHERE_RADIUS * -Math.cos(position.latitude) * Math.sin(position.longitude);
-      vector.y = SPHERE_RADIUS * Math.sin(position.latitude);
-      vector.z = SPHERE_RADIUS * Math.cos(position.latitude) * Math.cos(position.longitude);
-      return vector;
-    }
-    /**
-     * @summary Converts a THREE.Vector3 to spherical radians coordinates
-     * @param {external:THREE.Vector3} vector
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.vector3ToSphericalCoords = function vector3ToSphericalCoords(vector) {
-      var phi = Math.acos(vector.y / Math.sqrt(vector.x * vector.x + vector.y * vector.y + vector.z * vector.z));
-      var theta = Math.atan2(vector.x, vector.z);
-      return {
-        longitude: theta < 0 ? -theta : Math.PI * 2 - theta,
-        latitude: Math.PI / 2 - phi
-      };
-    }
-    /**
-     * @summary Converts position on the viewer to a THREE.Vector3
-     * @param {PSV.Point} viewerPoint
-     * @returns {external:THREE.Vector3}
-     */
-    ;
-
-    _proto.viewerCoordsToVector3 = function viewerCoordsToVector3(viewerPoint) {
-      var sphereIntersect = this.getIntersections(viewerPoint).filter(function (i) {
-        return i.object.userData[MESH_USER_DATA];
-      });
-
-      if (sphereIntersect.length) {
-        return sphereIntersect[0].point;
-      } else {
-        return null;
-      }
-    }
-    /**
-     * @summary Converts a THREE.Vector3 to position on the viewer
-     * @param {external:THREE.Vector3} vector
-     * @returns {PSV.Point}
-     */
-    ;
-
-    _proto.vector3ToViewerCoords = function vector3ToViewerCoords(vector) {
-      var vectorClone = vector.clone();
-      vectorClone.project(this.psv.renderer.camera);
-      return {
-        x: Math.round((vectorClone.x + 1) / 2 * this.prop.size.width),
-        y: Math.round((1 - vectorClone.y) / 2 * this.prop.size.height)
-      };
-    }
-    /**
-     * @summary Converts spherical radians coordinates to position on the viewer
-     * @param {PSV.Position} position
-     * @returns {PSV.Point}
-     */
-    ;
-
-    _proto.sphericalCoordsToViewerCoords = function sphericalCoordsToViewerCoords(position) {
-      return this.vector3ToViewerCoords(this.sphericalCoordsToVector3(position, vector3));
-    }
-    /**
-     * @summary Returns intersections with objects in the scene
-     * @param {PSV.Point} viewerPoint
-     * @return {external:THREE.Intersection[]}
-     */
-    ;
-
-    _proto.getIntersections = function getIntersections(viewerPoint) {
-      vector2.x = 2 * viewerPoint.x / this.prop.size.width - 1;
-      vector2.y = -2 * viewerPoint.y / this.prop.size.height + 1;
-      this.psv.renderer.raycaster.setFromCamera(vector2, this.psv.renderer.camera);
-      return this.psv.renderer.raycaster.intersectObjects(this.psv.renderer.scene.children, true).filter(function (i) {
-        return !!i.object.userData;
-      });
-    }
-    /**
-     * @summary Converts x/y to latitude/longitude if present and ensure boundaries
-     * @param {PSV.ExtendedPosition} position
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.cleanPosition = function cleanPosition(position) {
-      if (position.x !== undefined && position.y !== undefined) {
-        return this.textureCoordsToSphericalCoords(position);
-      } else {
-        return {
-          longitude: parseAngle(position.longitude),
-          latitude: parseAngle(position.latitude, !this.prop.littlePlanet)
-        };
-      }
-    }
-    /**
-     * @summary Ensure a SphereCorrection object is valid
-     * @param {PSV.SphereCorrection} sphereCorrection
-     * @returns {PSV.SphereCorrection}
-     */
-    ;
-
-    _proto.cleanSphereCorrection = function cleanSphereCorrection(sphereCorrection) {
-      return {
-        pan: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.pan) || 0),
-        tilt: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.tilt) || 0, true),
-        roll: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.roll) || 0, true, false)
-      };
-    }
-    /**
-     * @summary Parse the pose angles of the pano data
-     * @param {PSV.PanoData} panoData
-     * @returns {PSV.SphereCorrection}
-     */
-    ;
-
-    _proto.cleanPanoramaPose = function cleanPanoramaPose(panoData) {
-      return {
-        pan: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.poseHeading) || 0),
-        tilt: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.posePitch) || 0),
-        roll: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.poseRoll) || 0)
-      };
-    };
-
-    return DataHelper;
-  }(AbstractService);
-
-  var gestureIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M33.38 33.2a1.96 1.96 0 0 0 1.5-3.23 10.61 10.61 0 0 1 7.18-17.51c.7-.06 1.31-.49 1.61-1.12a13.02 13.02 0 0 1 11.74-7.43c7.14 0 12.96 5.8 12.96 12.9 0 3.07-1.1 6.05-3.1 8.38-.7.82-.61 2.05.21 2.76.83.7 2.07.6 2.78-.22a16.77 16.77 0 0 0 4.04-10.91C72.3 7.54 64.72 0 55.4 0a16.98 16.98 0 0 0-14.79 8.7 14.6 14.6 0 0 0-12.23 14.36c0 3.46 1.25 6.82 3.5 9.45.4.45.94.69 1.5.69m45.74 43.55a22.13 22.13 0 0 1-5.23 12.4c-4 4.55-9.53 6.86-16.42 6.86-12.6 0-20.1-10.8-20.17-10.91a1.82 1.82 0 0 0-.08-.1c-5.3-6.83-14.55-23.82-17.27-28.87-.05-.1 0-.21.02-.23a6.3 6.3 0 0 1 8.24 1.85l9.38 12.59a1.97 1.97 0 0 0 3.54-1.17V25.34a4 4 0 0 1 1.19-2.87 3.32 3.32 0 0 1 2.4-.95c1.88.05 3.4 1.82 3.4 3.94v24.32a1.96 1.96 0 0 0 3.93 0v-33.1a3.5 3.5 0 0 1 7 0v35.39a1.96 1.96 0 0 0 3.93 0v-.44c.05-2.05 1.6-3.7 3.49-3.7 1.93 0 3.5 1.7 3.5 3.82v5.63c0 .24.04.48.13.71l.1.26a1.97 1.97 0 0 0 3.76-.37c.33-1.78 1.77-3.07 3.43-3.07 1.9 0 3.45 1.67 3.5 3.74l-1.77 18.1zM77.39 51c-1.25 0-2.45.32-3.5.9v-.15c0-4.27-3.33-7.74-7.42-7.74-1.26 0-2.45.33-3.5.9V16.69a7.42 7.42 0 0 0-14.85 0v1.86a7 7 0 0 0-3.28-.94 7.21 7.21 0 0 0-5.26 2.07 7.92 7.92 0 0 0-2.38 5.67v37.9l-5.83-7.82a10.2 10.2 0 0 0-13.35-2.92 4.1 4.1 0 0 0-1.53 5.48C20 64.52 28.74 80.45 34.07 87.34c.72 1.04 9.02 12.59 23.4 12.59 7.96 0 14.66-2.84 19.38-8.2a26.06 26.06 0 0 0 6.18-14.6l1.78-18.2v-.2c0-4.26-3.32-7.73-7.42-7.73z\"/><!--Created by AomAm from the Noun Project--></svg>\n";
-
-  var mousewheelIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"10 17 79 79\"><path fill=\"currentColor\" d=\"M38.1 29.27c-.24 0-.44.2-.44.45v10.7a.45.45 0 00.9 0v-10.7c0-.25-.2-.45-.45-.45zm10.2 26.66a11.54 11.54 0 01-8.48-6.14.45.45 0 10-.8.41 12.45 12.45 0 009.22 6.62.45.45 0 00.07-.9zm24.55-13.08a23.04 23.04 0 00-22.56-23v7.07l-.01.05a2.83 2.83 0 012.39 2.78v14.03l.09-.02h8.84v-9.22a.45.45 0 11.9 0v9.22h10.35v-.9zm0 27.33V44.66H62.5c-.02 2.01-.52 4-1.47 5.76a.45.45 0 01-.61.18.45.45 0 01-.19-.61 11.54 11.54 0 001.36-5.33h-8.83l-.1-.01a2.83 2.83 0 01-2.83 2.84h-.04-.04a2.83 2.83 0 01-2.83-2.83v-14.9a2.82 2.82 0 012.47-2.8v-7.11a23.04 23.04 0 00-22.57 23v.91h14.72V29.88a8.2 8.2 0 015.02-7.57c.22-.1.5.01.59.24.1.23-.01.5-.24.6a7.3 7.3 0 00-4.47 6.73v13.88h3.9a.45.45 0 110 .9h-3.9v.15a7.32 7.32 0 0011.23 6.17.45.45 0 01.49.76 8.22 8.22 0 01-12.62-6.93v-.15H26.82v25.52a23.04 23.04 0 0023.01 23.01 23.04 23.04 0 0023.02-23.01zm1.8-27.33v27.33A24.85 24.85 0 0149.84 95a24.85 24.85 0 01-24.82-24.82V42.85a24.85 24.85 0 0124.82-24.82 24.85 24.85 0 0124.83 24.82zM57.98 29.88v9.36a.45.45 0 11-.9 0v-9.36a7.28 7.28 0 00-3.4-6.17.45.45 0 01.49-.76 8.18 8.18 0 013.8 6.93z\"/><!-- Created by Icon Island from the Noun Project --></svg>\n";
-
-  /**
-   * @summary Events handler
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var EventsHandler = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(EventsHandler, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function EventsHandler(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @property {number} moveThreshold - computed threshold based on device pixel ratio
-       * @property {boolean} moving - is the user moving
-       * @property {boolean} zooming - is the user zooming
-       * @property {number} startMouseX - start x position of the click/touch
-       * @property {number} startMouseY - start y position of the click/touch
-       * @property {number} mouseX - current x position of the cursor
-       * @property {number} mouseY - current y position of the cursor
-       * @property {number[][]} mouseHistory - list of latest positions of the cursor, [time, x, y]
-       * @property {number} pinchDist - distance between fingers when zooming
-       * @property {PressHandler} keyHandler
-       * @property {boolean} ctrlKeyDown - when the Ctrl key is pressed
-       * @property {PSV.ClickData} dblclickData - temporary storage of click data between two clicks
-       * @property {number} dblclickTimeout - timeout id for double click
-       * @property {number} twofingersTimeout - timeout id for "two fingers" overlay
-       * @property {number} ctrlZoomTimeout - timeout id for "ctrol zoom" overlay
-       * @protected
-       */
-
-      _this.state = {
-        moveThreshold: MOVE_THRESHOLD * SYSTEM.pixelRatio,
-        keyboardEnabled: false,
-        moving: false,
-        zooming: false,
-        startMouseX: 0,
-        startMouseY: 0,
-        mouseX: 0,
-        mouseY: 0,
-        mouseHistory: [],
-        pinchDist: 0,
-        keyHandler: new PressHandler(),
-        ctrlKeyDown: false,
-        dblclickData: null,
-        dblclickTimeout: null,
-        longtouchTimeout: null,
-        twofingersTimeout: null,
-        ctrlZoomTimeout: null
-      };
-      /**
-       * @summary Throttled wrapper of {@link PSV.Viewer#autoSize}
-       * @type {Function}
-       * @private
-       */
-
-      _this.__onResize = throttle(function () {
-        return _this.psv.autoSize();
-      }, 50);
-      return _this;
-    }
-    /**
-     * @summary Initializes event handlers
-     * @protected
-     */
-
-
-    var _proto = EventsHandler.prototype;
-
-    _proto.init = function init() {
-      window.addEventListener('resize', this);
-      window.addEventListener('keydown', this);
-      window.addEventListener('keyup', this);
-      this.psv.container.addEventListener('mouseenter', this);
-      this.psv.container.addEventListener('mousedown', this);
-      this.psv.container.addEventListener('mouseleave', this);
-      this.psv.container.addEventListener('mousemove', this);
-      window.addEventListener('mouseup', this);
-      this.psv.container.addEventListener('touchstart', this);
-      this.psv.container.addEventListener('touchmove', this);
-      window.addEventListener('touchend', this);
-      this.psv.container.addEventListener(SYSTEM.mouseWheelEvent, this);
-
-      if (SYSTEM.fullscreenEvent) {
-        document.addEventListener(SYSTEM.fullscreenEvent, this);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.destroy = function destroy() {
-      window.removeEventListener('resize', this);
-      window.removeEventListener('keydown', this);
-      window.removeEventListener('keyup', this);
-      this.psv.container.removeEventListener('mouseenter', this);
-      this.psv.container.removeEventListener('mousedown', this);
-      this.psv.container.removeEventListener('mouseleave', this);
-      this.psv.container.removeEventListener('mousemove', this);
-      window.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchstart', this);
-      this.psv.container.removeEventListener('touchmove', this);
-      window.removeEventListener('touchend', this);
-      this.psv.container.removeEventListener(SYSTEM.mouseWheelEvent, this);
-
-      if (SYSTEM.fullscreenEvent) {
-        document.removeEventListener(SYSTEM.fullscreenEvent, this);
-      }
-
-      clearTimeout(this.state.dblclickTimeout);
-      clearTimeout(this.state.longtouchTimeout);
-      clearTimeout(this.state.twofingersTimeout);
-      clearTimeout(this.state.ctrlZoomTimeout);
-      delete this.state;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} evt
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(evt) {
-      /* eslint-disable */
-      switch (evt.type) {
-        // @formatter:off
-        case 'resize':
-          this.__onResize();
-
-          break;
-
-        case 'keydown':
-          this.__onKeyDown(evt);
-
-          break;
-
-        case 'keyup':
-          this.__onKeyUp();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(evt);
-
-          break;
-
-        case 'touchend':
-          this.__onTouchEnd(evt);
-
-          break;
-
-        case SYSTEM.fullscreenEvent:
-          this.__fullscreenToggled();
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-
-      if (!getClosest(evt.target, '.psv--capture-event')) {
-        /* eslint-disable */
-        switch (evt.type) {
-          // @formatter:off
-          case 'mousedown':
-            this.__onMouseDown(evt);
-
-            break;
-
-          case 'mouseenter':
-            this.__onMouseEnter(evt);
-
-            break;
-
-          case 'mouseleave':
-            this.__onMouseLeave(evt);
-
-            break;
-
-          case 'mousemove':
-            this.__onMouseMove(evt);
-
-            break;
-
-          case 'touchstart':
-            this.__onTouchStart(evt);
-
-            break;
-
-          case 'touchmove':
-            this.__onTouchMove(evt);
-
-            break;
-
-          case SYSTEM.mouseWheelEvent:
-            this.__onMouseWheel(evt);
-
-            break;
-          // @formatter:on
-        }
-        /* eslint-enable */
-
-      }
-    }
-    /**
-     * @summary Enables the keyboard controls
-     * @protected
-     */
-    ;
-
-    _proto.enableKeyboard = function enableKeyboard() {
-      this.state.keyboardEnabled = true;
-    }
-    /**
-     * @summary Disables the keyboard controls
-     * @protected
-     */
-    ;
-
-    _proto.disableKeyboard = function disableKeyboard() {
-      this.state.keyboardEnabled = false;
-    }
-    /**
-     * @summary Handles keyboard events
-     * @param {KeyboardEvent} e
-     * @private
-     */
-    ;
-
-    _proto.__onKeyDown = function __onKeyDown(e) {
-      if (this.config.mousewheelCtrlKey) {
-        this.state.ctrlKeyDown = e.key === KEY_CODES.Control;
-
-        if (this.state.ctrlKeyDown) {
-          clearTimeout(this.state.ctrlZoomTimeout);
-          this.psv.overlay.hide(IDS.CTRL_ZOOM);
-        }
-      }
-
-      var e2 = this.psv.trigger(EVENTS.KEY_PRESS, e.key);
-
-      if (e2.isDefaultPrevented()) {
-        return;
-      }
-
-      if (!this.state.keyboardEnabled) {
-        return;
-      }
-
-      var action = this.config.keyboard[e.key];
-
-      if (action === ACTIONS.TOGGLE_AUTOROTATE) {
-        this.psv.toggleAutorotate();
-      } else if (action && !this.state.keyHandler.time) {
-        if (action !== ACTIONS.ZOOM_IN && action !== ACTIONS.ZOOM_OUT) {
-          this.psv.__stopAll();
-        }
-        /* eslint-disable */
-
-
-        switch (action) {
-          // @formatter:off
-          case ACTIONS.ROTATE_LAT_UP:
-            this.psv.dynamics.position.roll({
-              latitude: false
-            });
-            break;
-
-          case ACTIONS.ROTATE_LAT_DOWN:
-            this.psv.dynamics.position.roll({
-              latitude: true
-            });
-            break;
-
-          case ACTIONS.ROTATE_LONG_RIGHT:
-            this.psv.dynamics.position.roll({
-              longitude: false
-            });
-            break;
-
-          case ACTIONS.ROTATE_LONG_LEFT:
-            this.psv.dynamics.position.roll({
-              longitude: true
-            });
-            break;
-
-          case ACTIONS.ZOOM_IN:
-            this.psv.dynamics.zoom.roll(false);
-            break;
-
-          case ACTIONS.ZOOM_OUT:
-            this.psv.dynamics.zoom.roll(true);
-            break;
-          // @formatter:on
-        }
-        /* eslint-enable */
-
-
-        this.state.keyHandler.down();
-      }
-    }
-    /**
-     * @summary Handles keyboard events
-     * @private
-     */
-    ;
-
-    _proto.__onKeyUp = function __onKeyUp() {
-      var _this2 = this;
-
-      this.state.ctrlKeyDown = false;
-
-      if (!this.state.keyboardEnabled) {
-        return;
-      }
-
-      this.state.keyHandler.up(function () {
-        _this2.psv.dynamics.position.stop();
-
-        _this2.psv.dynamics.zoom.stop();
-
-        _this2.psv.resetIdleTimer();
-      });
-    }
-    /**
-     * @summary Handles mouse down events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      if (!this.config.mousemove || this.config.captureCursor) {
-        return;
-      }
-
-      this.__startMove(evt);
-    }
-    /**
-     * @summary Handles mouse enter events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseEnter = function __onMouseEnter(evt) {
-      if (!this.config.mousemove || !this.config.captureCursor) {
-        return;
-      }
-
-      this.__startMove(evt);
-    }
-    /**
-     * @summary Handles mouse up events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (!this.config.mousemove || this.config.captureCursor) {
-        return;
-      }
-
-      this.__stopMove(evt);
-    }
-    /**
-     * @summary Handles mouse leave events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseLeave = function __onMouseLeave(evt) {
-      if (!this.config.mousemove || !this.config.captureCursor) {
-        return;
-      }
-
-      this.__stopMove(evt);
-    }
-    /**
-     * @summary Handles mouse move events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.config.mousemove) {
-        if (evt.buttons !== 0) {
-          evt.preventDefault();
-
-          this.__move(evt);
-        } else if (this.config.captureCursor) {
-          this.__moveAbsolute(evt);
-        }
-      }
-
-      if (!isEmpty(this.prop.objectsObservers)) {
-        var viewerPos = getPosition(this.psv.container);
-        var viewerPoint = {
-          x: evt.clientX - viewerPos.left,
-          y: evt.clientY - viewerPos.top
-        };
-        var intersections = this.psv.dataHelper.getIntersections(viewerPoint);
-
-        var emit = function emit(observer, key, type) {
-          observer.listener.handleEvent(new CustomEvent(type, {
-            detail: {
-              originalEvent: evt,
-              object: observer.object,
-              data: observer.object.userData[key],
-              viewerPoint: viewerPoint
-            }
-          }));
-        };
-
-        each(this.prop.objectsObservers, function (observer, key) {
-          var intersection = intersections.find(function (i) {
-            return i.object.userData[key];
-          });
-
-          if (intersection) {
-            if (observer.object && intersection.object !== observer.object) {
-              emit(observer, key, OBJECT_EVENTS.LEAVE_OBJECT);
-              delete observer.object;
-            }
-
-            if (!observer.object) {
-              observer.object = intersection.object;
-              emit(observer, key, OBJECT_EVENTS.ENTER_OBJECT);
-            } else {
-              emit(observer, key, OBJECT_EVENTS.HOVER_OBJECT);
-            }
-          } else if (observer.object) {
-            emit(observer, key, OBJECT_EVENTS.LEAVE_OBJECT);
-            delete observer.object;
-          }
-        });
-      }
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      var _this3 = this;
-
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      if (evt.touches.length === 1) {
-        if (!this.config.touchmoveTwoFingers) {
-          this.__startMove(evt.touches[0]);
-
-          evt.preventDefault(); // prevent mouse events emulation
-        }
-
-        if (!this.prop.longtouchTimeout) {
-          this.prop.longtouchTimeout = setTimeout(function () {
-            _this3.__click(evt.touches[0], true);
-
-            _this3.prop.longtouchTimeout = null;
-          }, LONGTOUCH_DELAY);
-        }
-      } else if (evt.touches.length === 2) {
-        this.__cancelLongTouch();
-
-        this.__cancelTwoFingersOverlay();
-
-        this.__startMoveZoom(evt);
-
-        evt.preventDefault();
-      }
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchEnd = function __onTouchEnd(evt) {
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      this.__cancelLongTouch();
-
-      this.__cancelTwoFingersOverlay();
-
-      if (evt.touches.length === 1) {
-        this.__stopMoveZoom();
-      } else if (evt.touches.length === 0) {
-        this.__stopMove(evt.changedTouches[0]);
-      }
-    }
-    /**
-     * @summary Handles touch move events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      var _this4 = this;
-
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      this.__cancelLongTouch();
-
-      if (evt.touches.length === 1) {
-        if (this.config.touchmoveTwoFingers) {
-          if (!this.prop.twofingersTimeout) {
-            this.prop.twofingersTimeout = setTimeout(function () {
-              _this4.psv.overlay.show({
-                id: IDS.TWO_FINGERS,
-                image: gestureIcon,
-                text: _this4.config.lang.twoFingers
-              });
-            }, TWOFINGERSOVERLAY_DELAY);
-          }
-        } else {
-          evt.preventDefault();
-
-          this.__move(evt.touches[0]);
-        }
-      } else if (evt.touches.length === 2) {
-        evt.preventDefault();
-
-        this.__moveZoom(evt);
-
-        this.__cancelTwoFingersOverlay();
-      }
-    }
-    /**
-     * @summary Cancel the long touch timer if any
-     * @private
-     */
-    ;
-
-    _proto.__cancelLongTouch = function __cancelLongTouch() {
-      if (this.prop.longtouchTimeout) {
-        clearTimeout(this.prop.longtouchTimeout);
-        this.prop.longtouchTimeout = null;
-      }
-    }
-    /**
-     * @summary Cancel the two fingers overlay timer if any
-     * @private
-     */
-    ;
-
-    _proto.__cancelTwoFingersOverlay = function __cancelTwoFingersOverlay() {
-      if (this.prop.twofingersTimeout) {
-        clearTimeout(this.prop.twofingersTimeout);
-        this.prop.twofingersTimeout = null;
-      }
-
-      this.psv.overlay.hide(IDS.TWO_FINGERS);
-    }
-    /**
-     * @summary Handles mouse wheel events
-     * @param {WheelEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseWheel = function __onMouseWheel(evt) {
-      var _this5 = this;
-
-      if (!this.config.mousewheel) {
-        return;
-      }
-
-      if (this.config.mousewheelCtrlKey && !this.state.ctrlKeyDown) {
-        this.psv.overlay.show({
-          id: IDS.CTRL_ZOOM,
-          image: mousewheelIcon,
-          text: this.config.lang.ctrlZoom
-        });
-        clearTimeout(this.state.ctrlZoomTimeout);
-        this.state.ctrlZoomTimeout = setTimeout(function () {
-          return _this5.psv.overlay.hide(IDS.CTRL_ZOOM);
-        }, CTRLZOOM_TIMEOUT);
-        return;
-      }
-
-      evt.preventDefault();
-      evt.stopPropagation();
-      var delta = normalizeWheel(evt).spinY * 5 * this.config.zoomSpeed;
-
-      if (delta !== 0) {
-        this.psv.dynamics.zoom.step(-delta, 5);
-      }
-    }
-    /**
-     * @summary Handles fullscreen events
-     * @param {boolean} [force] force state
-     * @fires PSV.fullscreen-updated
-     * @package
-     */
-    ;
-
-    _proto.__fullscreenToggled = function __fullscreenToggled(force) {
-      this.prop.fullscreen = force !== undefined ? force : isFullscreenEnabled(this.psv.container);
-
-      if (this.config.keyboard) {
-        if (this.prop.fullscreen) {
-          this.psv.startKeyboardControl();
-        } else {
-          this.psv.stopKeyboardControl();
-        }
-      }
-
-      this.psv.trigger(EVENTS.FULLSCREEN_UPDATED, this.prop.fullscreen);
-    }
-    /**
-     * @summary Initializes the movement
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__startMove = function __startMove(evt) {
-      var _this6 = this;
-
-      this.psv.__stopAll().then(function () {
-        _this6.state.mouseX = evt.clientX;
-        _this6.state.mouseY = evt.clientY;
-        _this6.state.startMouseX = _this6.state.mouseX;
-        _this6.state.startMouseY = _this6.state.mouseY;
-        _this6.state.moving = true;
-        _this6.state.zooming = false;
-        _this6.state.mouseHistory.length = 0;
-
-        _this6.__logMouseMove(evt);
-      });
-    }
-    /**
-     * @summary Initializes the combines move and zoom
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__startMoveZoom = function __startMoveZoom(evt) {
-      var _this7 = this;
-
-      this.psv.__stopAll().then(function () {
-        var p1 = {
-          x: evt.touches[0].clientX,
-          y: evt.touches[0].clientY
-        };
-        var p2 = {
-          x: evt.touches[1].clientX,
-          y: evt.touches[1].clientY
-        };
-        _this7.state.pinchDist = distance(p1, p2);
-        _this7.state.mouseX = (p1.x + p2.x) / 2;
-        _this7.state.mouseY = (p1.y + p2.y) / 2;
-        _this7.state.startMouseX = _this7.state.mouseX;
-        _this7.state.startMouseY = _this7.state.mouseY;
-        _this7.state.moving = true;
-        _this7.state.zooming = true;
-      });
-    }
-    /**
-     * @summary Stops the movement
-     * @description If the move threshold was not reached a click event is triggered, otherwise an animation is launched to simulate inertia
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__stopMove = function __stopMove(evt) {
-      this.psv.resetIdleTimer();
-
-      if (!getClosest(evt.target, '.psv-container')) {
-        this.state.moving = false;
-        this.state.mouseHistory.length = 0;
-        return;
-      }
-
-      if (this.state.moving) {
-        // move threshold to trigger a click
-        if (Math.abs(evt.clientX - this.state.startMouseX) < this.state.moveThreshold && Math.abs(evt.clientY - this.state.startMouseY) < this.state.moveThreshold) {
-          this.__click(evt);
-
-          this.state.moving = false;
-        } // inertia animation
-        else if (this.config.moveInertia) {
-          this.__logMouseMove(evt);
-
-          this.__stopMoveInertia(evt);
-        } else {
-          this.state.moving = false;
-        }
-
-        this.state.mouseHistory.length = 0;
-      }
-    }
-    /**
-     * @summary Stops the combined move and zoom
-     * @private
-     */
-    ;
-
-    _proto.__stopMoveZoom = function __stopMoveZoom() {
-      this.psv.resetIdleTimer();
-      this.state.mouseHistory.length = 0;
-      this.state.moving = false;
-      this.state.zooming = false;
-    }
-    /**
-     * @summary Performs an animation to simulate inertia when the movement stops
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__stopMoveInertia = function __stopMoveInertia(evt) {
-      var _this8 = this;
-
-      // get direction at end of movement
-      var curve = new three.SplineCurve(this.state.mouseHistory.map(function (_ref) {
-        var x = _ref[1],
-            y = _ref[2];
-        return new three.Vector2(x, y);
-      }));
-      var direction = curve.getTangent(1); // average speed
-
-      var speed = this.state.mouseHistory.slice(1).reduce(function (_ref2, curr) {
-        var total = _ref2.total,
-            prev = _ref2.prev;
-        return {
-          total: total + Math.sqrt(Math.pow(curr[1] - prev[1], 2) + Math.pow(curr[2] - prev[2], 2)) / (curr[0] - [prev[0]]),
-          prev: curr
-        };
-      }, {
-        total: 0,
-        prev: this.state.mouseHistory[0]
-      }).total / this.state.mouseHistory.length;
-      var current = {
-        clientX: evt.clientX,
-        clientY: evt.clientY
-      };
-      this.prop.animationPromise = new Animation({
-        properties: {
-          speed: {
-            start: speed,
-            end: 0
-          }
-        },
-        duration: 1000,
-        easing: 'outQuad',
-        onTick: function onTick(properties) {
-          // 3 is a magic number
-          current.clientX += properties.speed * direction.x * 3 * SYSTEM.pixelRatio;
-          current.clientY += properties.speed * direction.y * 3 * SYSTEM.pixelRatio;
-
-          _this8.__move(current, false);
-        }
-      });
-      this.prop.animationPromise.then(function () {
-        _this8.state.moving = false;
-      });
-    }
-    /**
-     * @summary Triggers an event with all coordinates when a simple click is performed
-     * @param {MouseEvent|Touch} evt
-     * @param {boolean} [longtouch=false]
-     * @fires PSV.click
-     * @fires PSV.dblclick
-     * @private
-     */
-    ;
-
-    _proto.__click = function __click(evt, longtouch) {
-      var _this9 = this;
-
-      if (longtouch === void 0) {
-        longtouch = false;
-      }
-
-      var boundingRect = this.psv.container.getBoundingClientRect();
-      /**
-       * @type {PSV.ClickData}
-       */
-
-      var data = {
-        rightclick: longtouch || evt.button === 2,
-        target: evt.target,
-        clientX: evt.clientX,
-        clientY: evt.clientY,
-        viewerX: evt.clientX - boundingRect.left,
-        viewerY: evt.clientY - boundingRect.top
-      };
-      var intersections = this.psv.dataHelper.getIntersections({
-        x: data.viewerX,
-        y: data.viewerY
-      });
-      var sphereIntersection = intersections.find(function (i) {
-        return i.object.userData.psvSphere;
-      });
-
-      if (sphereIntersection) {
-        var sphericalCoords = this.psv.dataHelper.vector3ToSphericalCoords(sphereIntersection.point);
-        data.longitude = sphericalCoords.longitude;
-        data.latitude = sphericalCoords.latitude;
-        data.objects = intersections.map(function (i) {
-          return i.object;
-        }).filter(function (o) {
-          return !o.userData.psvSphere;
-        });
-
-        try {
-          var textureCoords = this.psv.dataHelper.sphericalCoordsToTextureCoords(data);
-          data.textureX = textureCoords.x;
-          data.textureY = textureCoords.y;
-        } catch (e) {
-          data.textureX = NaN;
-          data.textureY = NaN;
-        }
-
-        if (!this.state.dblclickTimeout) {
-          this.psv.trigger(EVENTS.CLICK, data);
-          this.state.dblclickData = clone(data);
-          this.state.dblclickTimeout = setTimeout(function () {
-            _this9.state.dblclickTimeout = null;
-            _this9.state.dblclickData = null;
-          }, DBLCLICK_DELAY);
-        } else {
-          if (Math.abs(this.state.dblclickData.clientX - data.clientX) < this.state.moveThreshold && Math.abs(this.state.dblclickData.clientY - data.clientY) < this.state.moveThreshold) {
-            this.psv.trigger(EVENTS.DOUBLE_CLICK, this.state.dblclickData);
-          }
-
-          clearTimeout(this.state.dblclickTimeout);
-          this.state.dblclickTimeout = null;
-          this.state.dblclickData = null;
-        }
-      }
-    }
-    /**
-     * @summary Performs movement
-     * @param {MouseEvent|Touch} evt
-     * @param {boolean} [log=true]
-     * @private
-     */
-    ;
-
-    _proto.__move = function __move(evt, log) {
-      if (this.state.moving) {
-        var x = evt.clientX;
-        var y = evt.clientY;
-        var rotation = {
-          longitude: (x - this.state.mouseX) / this.prop.size.width * this.config.moveSpeed * three.MathUtils.degToRad(this.prop.hFov),
-          latitude: (y - this.state.mouseY) / this.prop.size.height * this.config.moveSpeed * three.MathUtils.degToRad(this.prop.vFov)
-        };
-        var currentPosition = this.psv.getPosition();
-        this.psv.rotate({
-          longitude: currentPosition.longitude - rotation.longitude,
-          latitude: currentPosition.latitude + rotation.latitude
-        });
-        this.state.mouseX = x;
-        this.state.mouseY = y;
-
-        if (log !== false) {
-          this.__logMouseMove(evt);
-        }
-      }
-    }
-    /**
-     * @summary Performs movement absolute to cursor position in viewer
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__moveAbsolute = function __moveAbsolute(evt) {
-      if (this.state.moving) {
-        var containerRect = this.psv.container.getBoundingClientRect();
-        this.psv.dynamics.position.goto({
-          longitude: ((evt.clientX - containerRect.left) / containerRect.width - 0.5) * Math.PI * 2,
-          latitude: -((evt.clientY - containerRect.top) / containerRect.height - 0.5) * Math.PI
-        }, 10);
-      }
-    }
-    /**
-     * @summary Perfoms combined move and zoom
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__moveZoom = function __moveZoom(evt) {
-      if (this.state.zooming && this.state.moving) {
-        var p1 = {
-          x: evt.touches[0].clientX,
-          y: evt.touches[0].clientY
-        };
-        var p2 = {
-          x: evt.touches[1].clientX,
-          y: evt.touches[1].clientY
-        };
-        var p = distance(p1, p2);
-        var delta = 80 * (p - this.state.pinchDist) / this.prop.size.width * this.config.zoomSpeed;
-        this.psv.zoom(this.psv.getZoomLevel() + delta);
-
-        this.__move({
-          clientX: (p1.x + p2.x) / 2,
-          clientY: (p1.y + p2.y) / 2
-        });
-
-        this.state.pinchDist = p;
-      }
-    }
-    /**
-     * @summary Stores each mouse position during a mouse move
-     * @description Positions older than "INERTIA_WINDOW" are removed<br>
-     *     Positions before a pause of "INERTIA_WINDOW" / 10 are removed
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__logMouseMove = function __logMouseMove(evt) {
-      var now = Date.now();
-      var last = this.state.mouseHistory.length ? this.state.mouseHistory[this.state.mouseHistory.length - 1] : [0, -1, -1]; // avoid duplicates
-
-      if (last[1] === evt.clientX && last[2] === evt.clientY) {
-        last[0] = now;
-      } else if (now === last[0]) {
-        last[1] = evt.clientX;
-        last[2] = evt.clientY;
-      } else {
-        this.state.mouseHistory.push([now, evt.clientX, evt.clientY]);
-      }
-
-      var previous = null;
-
-      for (var i = 0; i < this.state.mouseHistory.length;) {
-        if (this.state.mouseHistory[i][0] < now - INERTIA_WINDOW) {
-          this.state.mouseHistory.splice(i, 1);
-        } else if (previous && this.state.mouseHistory[i][0] - previous > INERTIA_WINDOW / 10) {
-          this.state.mouseHistory.splice(0, i);
-          i = 0;
-          previous = this.state.mouseHistory[i][0];
-        } else {
-          previous = this.state.mouseHistory[i][0];
-          i++;
-        }
-      }
-    };
-
-    return EventsHandler;
-  }(AbstractService);
-
-  /**
-   * @summary Viewer and renderer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var Renderer = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(Renderer, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Renderer(psv) {
-      var _this$mesh$userData;
-
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @member {external:THREE.WebGLRenderer}
-       * @readonly
-       * @protected
-       */
-
-      _this.renderer = new three.WebGLRenderer({
-        alpha: true,
-        antialias: true
-      });
-
-      _this.renderer.setPixelRatio(SYSTEM.pixelRatio);
-
-      _this.renderer.domElement.className = 'psv-canvas';
-      /**
-       * @member {external:THREE.Scene}
-       * @readonly
-       * @protected
-       */
-
-      _this.scene = new three.Scene();
-      /**
-       * @member {external:THREE.PerspectiveCamera}
-       * @readonly
-       * @protected
-       */
-
-      _this.camera = new three.PerspectiveCamera(50, 16 / 9, 1, 2 * SPHERE_RADIUS);
-      /**
-       * @member {external:THREE.Mesh}
-       * @readonly
-       * @protected
-       */
-
-      _this.mesh = _this.psv.adapter.createMesh();
-      _this.mesh.userData = (_this$mesh$userData = {}, _this$mesh$userData[MESH_USER_DATA] = true, _this$mesh$userData);
-      /**
-       * @member {external:THREE.Group}
-       * @readonly
-       * @private
-       */
-
-      _this.meshContainer = new three.Group();
-
-      _this.meshContainer.add(_this.mesh);
-
-      _this.scene.add(_this.meshContainer);
-      /**
-       * @member {external:THREE.Raycaster}
-       * @readonly
-       * @protected
-       */
-
-
-      _this.raycaster = new three.Raycaster();
-      /**
-       * @member {number}
-       * @private
-       */
-
-      _this.timestamp = null;
-      /**
-       * @member {boolean}
-       * @private
-       */
-
-      _this.ready = false;
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @package
-       */
-
-      _this.canvasContainer = document.createElement('div');
-      _this.canvasContainer.className = 'psv-canvas-container';
-      _this.canvasContainer.style.background = _this.psv.config.canvasBackground;
-      _this.canvasContainer.style.cursor = _this.psv.config.mousemove ? 'move' : 'default';
-
-      _this.canvasContainer.appendChild(_this.renderer.domElement);
-
-      _this.psv.container.appendChild(_this.canvasContainer);
-
-      psv.on(EVENTS.SIZE_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.ZOOM_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.POSITION_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.CONFIG_CHANGED, _assertThisInitialized(_this));
-
-      _this.hide();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Renderer.prototype;
-
-    _proto.destroy = function destroy() {
-      // cancel render loop
-      this.renderer.setAnimationLoop(null); // destroy ThreeJS view
-
-      this.__cleanTHREEScene(this.scene); // remove container
-
-
-      this.psv.container.removeChild(this.canvasContainer);
-      delete this.canvasContainer;
-      delete this.renderer;
-      delete this.scene;
-      delete this.camera;
-      delete this.mesh;
-      delete this.meshContainer;
-      delete this.raycaster;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} evt
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(evt) {
-      /* eslint-disable */
-      switch (evt.type) {
-        // @formatter:off
-        case EVENTS.SIZE_UPDATED:
-          this.__onSizeUpdated();
-
-          break;
-
-        case EVENTS.ZOOM_UPDATED:
-          this.__onZoomUpdated();
-
-          break;
-
-        case EVENTS.POSITION_UPDATED:
-          this.__onPositionUpdated();
-
-          break;
-
-        case EVENTS.CONFIG_CHANGED:
-          if (evt.args[0].includes('fisheye')) {
-            this.__onPositionUpdated();
-          }
-
-          if (evt.args[0].includes('mousemove')) {
-            this.canvasContainer.style.cursor = this.psv.config.mousemove ? 'move' : 'default';
-          }
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @summary Hides the viewer
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.canvasContainer.style.opacity = 0;
-    }
-    /**
-     * @summary Shows the viewer
-     */
-    ;
-
-    _proto.show = function show() {
-      this.canvasContainer.style.opacity = 1;
-    }
-    /**
-     * @summary Updates the size of the renderer and the aspect of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onSizeUpdated = function __onSizeUpdated() {
-      this.renderer.setSize(this.prop.size.width, this.prop.size.height);
-      this.camera.aspect = this.prop.aspect;
-      this.camera.updateProjectionMatrix();
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Updates the fov of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onZoomUpdated = function __onZoomUpdated() {
-      this.camera.fov = this.prop.vFov;
-      this.camera.updateProjectionMatrix();
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Updates the position of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onPositionUpdated = function __onPositionUpdated() {
-      this.camera.position.set(0, 0, 0);
-      this.camera.lookAt(this.prop.direction);
-
-      if (this.config.fisheye) {
-        this.camera.position.copy(this.prop.direction).multiplyScalar(this.config.fisheye / 2).negate();
-      }
-
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Main event loop, calls {@link render} if `prop.needsUpdate` is true
-     * @param {number} timestamp
-     * @fires PSV.before-render
-     * @private
-     */
-    ;
-
-    _proto.__renderLoop = function __renderLoop(timestamp) {
-      var elapsed = this.timestamp !== null ? timestamp - this.timestamp : 0;
-      this.timestamp = timestamp;
-      this.psv.trigger(EVENTS.BEFORE_RENDER, timestamp, elapsed);
-      each(this.psv.dynamics, function (d) {
-        return d.update(elapsed);
-      });
-
-      if (this.prop.idleTime > 0 && timestamp - this.prop.idleTime > this.config.autorotateDelay) {
-        this.psv.startAutorotate();
-      }
-
-      if (this.prop.needsUpdate) {
-        this.render();
-        this.prop.needsUpdate = false;
-      }
-    }
-    /**
-     * @summary Performs a render
-     * @description Do not call this method directly, instead call
-     * {@link PSV.Viewer#needsUpdate} on {@link PSV.event:before-render}.
-     * @fires PSV.render
-     */
-    ;
-
-    _proto.render = function render() {
-      this.renderer.render(this.scene, this.camera);
-      this.psv.trigger(EVENTS.RENDER);
-    }
-    /**
-     * @summary Applies the texture to the scene, creates the scene if needed
-     * @param {PSV.TextureData} textureData
-     * @fires PSV.panorama-loaded
-     * @package
-     */
-    ;
-
-    _proto.setTexture = function setTexture(textureData) {
-      var _this2 = this;
-
-      this.prop.panoData = textureData.panoData;
-      this.psv.adapter.setTexture(this.mesh, textureData);
-
-      if (!this.ready) {
-        this.renderer.setAnimationLoop(function (t) {
-          return _this2.__renderLoop(t);
-        });
-        this.ready = true;
-      }
-
-      this.psv.needsUpdate();
-      this.psv.trigger(EVENTS.PANORAMA_LOADED, textureData);
-    }
-    /**
-     * @summary Applies the overlay to the mesh
-     * @param {PSV.TextureData} textureData
-     * @param {number} opacity
-     * @package
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(textureData, opacity) {
-      this.psv.adapter.setOverlay(this.mesh, textureData, opacity);
-      this.psv.needsUpdate();
-    }
-    /**
-     * @summary Apply a panorama data pose to a Mesh
-     * @param {PSV.PanoData} [panoData]
-     * @param {external:THREE.Mesh} [mesh=this.mesh]
-     * @package
-     */
-    ;
-
-    _proto.setPanoramaPose = function setPanoramaPose(panoData, mesh) {
-      if (mesh === void 0) {
-        mesh = this.mesh;
-      }
-
-      // By Google documentation the angles are applied on the camera in order : heading, pitch, roll
-      // here we apply the reverse transformation on the sphere
-      var cleanCorrection = this.psv.dataHelper.cleanPanoramaPose(panoData);
-      mesh.rotation.set(-cleanCorrection.tilt, -cleanCorrection.pan, -cleanCorrection.roll, 'ZXY');
-    }
-    /**
-     * @summary Apply a SphereCorrection to a Mesh
-     * @param {PSV.SphereCorrection} [sphereCorrection]
-     * @param {external:THREE.Mesh} [mesh=this.meshContainer]
-     * @package
-     */
-    ;
-
-    _proto.setSphereCorrection = function setSphereCorrection(sphereCorrection, mesh) {
-      if (mesh === void 0) {
-        mesh = this.meshContainer;
-      }
-
-      var cleanCorrection = this.psv.dataHelper.cleanSphereCorrection(sphereCorrection);
-      mesh.rotation.set(cleanCorrection.tilt, cleanCorrection.pan, cleanCorrection.roll, 'ZXY');
-    }
-    /**
-     * @summary Performs transition between the current and a new texture
-     * @param {PSV.TextureData} textureData
-     * @param {PSV.PanoramaOptions} options
-     * @returns {PSV.Animation}
-     * @package
-     */
-    ;
-
-    _proto.transition = function transition(textureData, options) {
-      var _this3 = this;
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options); // create temp group and new mesh, half size to be in "front" of the first one
-
-      var group = new three.Group();
-      var mesh = this.psv.adapter.createMesh(0.5);
-      this.psv.adapter.setTexture(mesh, textureData, true);
-      this.psv.adapter.setTextureOpacity(mesh, 0);
-      this.setPanoramaPose(textureData.panoData, mesh);
-      this.setSphereCorrection(options.sphereCorrection, group); // rotate the new sphere to make the target position face the camera
-
-      if (positionProvided) {
-        var cleanPosition = this.psv.dataHelper.cleanPosition(options);
-        var currentPosition = this.psv.getPosition(); // Longitude rotation along the vertical axis
-
-        var verticalAxis = new three.Vector3(0, 1, 0);
-        group.rotateOnWorldAxis(verticalAxis, cleanPosition.longitude - currentPosition.longitude); // Latitude rotation along the camera horizontal axis
-
-        var horizontalAxis = new three.Vector3(0, 1, 0).cross(this.camera.getWorldDirection(new three.Vector3())).normalize();
-        group.rotateOnWorldAxis(horizontalAxis, cleanPosition.latitude - currentPosition.latitude);
-      }
-
-      group.add(mesh);
-      this.scene.add(group);
-      var animation = new Animation({
-        properties: {
-          opacity: {
-            start: 0.0,
-            end: 1.0
-          },
-          zoom: zoomProvided ? {
-            start: this.psv.getZoomLevel(),
-            end: options.zoom
-          } : undefined
-        },
-        duration: options.transition,
-        easing: 'outCubic',
-        onTick: function onTick(properties) {
-          _this3.psv.adapter.setTextureOpacity(mesh, properties.opacity);
-
-          _this3.psv.adapter.setTextureOpacity(_this3.mesh, 1 - properties.opacity);
-
-          if (zoomProvided) {
-            _this3.psv.zoom(properties.zoom);
-          }
-
-          _this3.psv.needsUpdate();
-        }
-      });
-      animation.then(function (completed) {
-        if (completed) {
-          // remove temp sphere and transfer the texture to the main mesh
-          _this3.setTexture(textureData);
-
-          _this3.psv.adapter.setTextureOpacity(_this3.mesh, 1);
-
-          _this3.setPanoramaPose(textureData.panoData);
-
-          _this3.setSphereCorrection(options.sphereCorrection); // actually rotate the camera
-
-
-          if (positionProvided) {
-            _this3.psv.rotate(options);
-          }
-        } else {
-          _this3.psv.adapter.disposeTexture(textureData);
-        }
-
-        _this3.scene.remove(group);
-
-        mesh.geometry.dispose();
-        mesh.geometry = null;
-      });
-      return animation;
-    }
-    /**
-     * @summary Calls `dispose` on all objects and textures
-     * @param {external:THREE.Object3D} object
-     * @private
-     */
-    ;
-
-    _proto.__cleanTHREEScene = function __cleanTHREEScene(object) {
-      var _this4 = this;
-
-      object.traverse(function (item) {
-        if (item.geometry) {
-          item.geometry.dispose();
-        }
-
-        if (item.material) {
-          if (Array.isArray(item.material)) {
-            item.material.forEach(function (material) {
-              if (material.map) {
-                material.map.dispose();
-              }
-
-              material.dispose();
-            });
-          } else {
-            if (item.material.map) {
-              item.material.map.dispose();
-            }
-
-            item.material.dispose();
-          }
-        }
-
-        if (item.dispose && !(item instanceof three.Scene)) {
-          item.dispose();
-        }
-
-        if (item !== object) {
-          _this4.__cleanTHREEScene(item);
-        }
-      });
-    };
-
-    return Renderer;
-  }(AbstractService);
-
-  /**
-   * @summary Texture loader
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var TextureLoader = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(TextureLoader, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function TextureLoader(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @summary THREE file loader
-       * @type {external:THREE:FileLoader}
-       * @private
-       */
-
-      _this.loader = new three.FileLoader();
-
-      _this.loader.setResponseType('blob');
-
-      if (_this.config.withCredentials) {
-        _this.loader.setWithCredentials(true);
-      }
-
-      if (_this.config.requestHeaders && typeof _this.config.requestHeaders === 'object') {
-        _this.loader.setRequestHeader(_this.config.requestHeaders);
-      }
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = TextureLoader.prototype;
-
-    _proto.destroy = function destroy() {
-      this.abortLoading();
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Loads the panorama texture(s)
-     * @param {*} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     * @throws {PSV.PSVError} when the image cannot be loaded
-     * @package
-     * @deprecated
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData) {
-      return this.psv.adapter.loadTexture(panorama, newPanoData);
-    }
-    /**
-     * @summary Cancels current HTTP requests
-     * @package
-     */
-    ;
-
-    _proto.abortLoading = function abortLoading() {// noop implementation waiting for https://github.com/mrdoob/three.js/pull/23070
-    }
-    /**
-     * @summary Loads a Blob with FileLoader
-     * @param {string} url
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<Blob>}
-     */
-    ;
-
-    _proto.loadFile = function loadFile(url, onProgress) {
-      var _this2 = this;
-
-      if (this.config.requestHeaders && typeof this.config.requestHeaders === 'function') {
-        this.loader.setRequestHeader(this.config.requestHeaders(url));
-      }
-
-      return new Promise(function (resolve, reject) {
-        var progress = 0;
-        onProgress && onProgress(progress);
-
-        _this2.loader.load(url, function (result) {
-          progress = 100;
-          onProgress && onProgress(progress);
-          resolve(result);
-        }, function (e) {
-          if (e.lengthComputable) {
-            var newProgress = e.loaded / e.total * 100;
-
-            if (newProgress > progress) {
-              progress = newProgress;
-              onProgress && onProgress(progress);
-            }
-          }
-        }, function (err) {
-          reject(err);
-        });
-      });
-    }
-    /**
-     * @summary Loads an Image using FileLoader to have progress events
-     * @param {string} url
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<HTMLImageElement>}
-     */
-    ;
-
-    _proto.loadImage = function loadImage(url, onProgress) {
-      return this.loadFile(url, onProgress).then(function (result) {
-        return new Promise(function (resolve, reject) {
-          var img = document.createElementNS('http://www.w3.org/1999/xhtml', 'img');
-
-          img.onload = function () {
-            URL.revokeObjectURL(img.src);
-            resolve(img);
-          };
-
-          img.onerror = reject;
-          img.src = URL.createObjectURL(result);
-        });
-      });
-    }
-    /**
-     * @summary Preload a panorama file without displaying it
-     * @param {*} panorama
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.preloadPanorama = function preloadPanorama(panorama) {
-      if (this.psv.adapter.supportsPreload(panorama)) {
-        return this.psv.adapter.loadTexture(panorama);
-      } else {
-        return Promise.resolve();
-      }
-    };
-
-    return TextureLoader;
-  }(AbstractService);
-
-  var STATE = {
-    NONE: 0,
-    SHOWING: 1,
-    HIDING: 2,
-    READY: 3
-  };
-  /**
-   * @typedef {Object} PSV.components.Tooltip.Position
-   * @summary Object defining the tooltip position
-   * @property {number} top - Position of the tip of the arrow of the tooltip, in pixels
-   * @property {number} left - Position of the tip of the arrow of the tooltip, in pixels
-   * @property {string|string[]} [position='top center'] - Tooltip position toward it's arrow tip.
-   *           Accepted values are combinations of `top`, `center`, `bottom` and `left`, `center`, `right`
-   * @property {Object} [box] - Used when displaying a tooltip on a marker
-   * @property {number} [box.width=0]
-   * @property {number} [box.height=0]
-   */
-
-  /**
-   * @typedef {PSV.components.Tooltip.Position} PSV.components.Tooltip.Config
-   * @summary Object defining the tooltip configuration
-   * @property {string} content - HTML content of the tooltip
-   * @property {string} [className] - Additional CSS class added to the tooltip
-   * @property {*} [data] - Userdata associated to the tooltip
-   */
-
-  /**
-   * @summary Tooltip component
-   * @description Never instanciate tooltips directly use {@link PSV.services.TooltipRenderer} instead
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Tooltip = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Tooltip, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     * @param {{arrow: number, offset: number}} size
-     */
-    function Tooltip(psv, size) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-tooltip') || this;
-      /**
-       * @override
-       * @property {number} arrow
-       * @property {number} offset
-       * @property {number} width
-       * @property {number} height
-       * @property {string} pos
-       * @property {string} state
-       * @property {*} data
-       */
-
-      _this.prop = _extends({}, _this.prop, size, {
-        state: STATE.NONE,
-        width: 0,
-        height: 0,
-        pos: '',
-        config: null,
-        data: null
-      });
-      /**
-       * Tooltip content
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-tooltip-content';
-
-      _this.container.appendChild(_this.content);
-      /**
-       * Tooltip arrow
-       * @member {HTMLElement}
-       * @readonly
-       * @package
-       */
-
-
-      _this.arrow = document.createElement('div');
-      _this.arrow.className = 'psv-tooltip-arrow';
-
-      _this.container.appendChild(_this.arrow);
-
-      _this.container.addEventListener('transitionend', _assertThisInitialized(_this));
-
-      _this.container.style.top = '-1000px';
-      _this.container.style.left = '-1000px';
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Tooltip.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.arrow;
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'transitionend':
-          this.__onTransitionEnd(e);
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Tooltip cannot be toggled');
-    }
-    /**
-     * @summary Displays the tooltip on the viewer
-     * Do not call this method directly, use {@link PSV.services.TooltipRenderer} instead.
-     * @param {PSV.components.Tooltip.Config} config
-     *
-     * @fires PSV.show-tooltip
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     *
-     * @package
-     */
-    ;
-
-    _proto.show = function show(config) {
-      if (this.prop.state !== STATE.NONE) {
-        throw new PSVError('Initialized tooltip cannot be re-initialized');
-      }
-
-      if (config.className) {
-        addClasses(this.container, config.className);
-      }
-
-      this.content.innerHTML = config.content;
-      var rect = this.container.getBoundingClientRect();
-      this.prop.width = rect.right - rect.left;
-      this.prop.height = rect.bottom - rect.top;
-      this.prop.state = STATE.READY;
-      this.move(config);
-      this.prop.data = config.data;
-      this.prop.state = STATE.SHOWING;
-      this.psv.trigger(EVENTS.SHOW_TOOLTIP, this.prop.data, this);
-
-      this.__waitImages();
-    }
-    /**
-     * @summary Moves the tooltip to a new position
-     * @param {PSV.components.Tooltip.Position} config
-     *
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.move = function move(config) {
-      if (this.prop.state !== STATE.SHOWING && this.prop.state !== STATE.READY) {
-        throw new PSVError('Uninitialized tooltip cannot be moved');
-      }
-
-      this.config = config;
-      var t = this.container;
-      var a = this.arrow; // compute size
-
-      var style = {
-        posClass: config.position ? cleanPosition(config.position, false) : ['top', 'center'],
-        width: this.prop.width,
-        height: this.prop.height,
-        top: 0,
-        left: 0,
-        arrowTop: 0,
-        arrowLeft: 0
-      }; // set initial position
-
-      this.__computeTooltipPosition(style, config); // correct position if overflow
-
-
-      var refresh = false;
-
-      if (style.top < this.prop.offset) {
-        style.posClass[0] = 'bottom';
-        refresh = true;
-      } else if (style.top + style.height > this.psv.prop.size.height - this.prop.offset) {
-        style.posClass[0] = 'top';
-        refresh = true;
-      }
-
-      if (style.left < this.prop.offset) {
-        style.posClass[1] = 'right';
-        refresh = true;
-      } else if (style.left + style.width > this.psv.prop.size.width - this.prop.offset) {
-        style.posClass[1] = 'left';
-        refresh = true;
-      }
-
-      if (refresh) {
-        this.__computeTooltipPosition(style, config);
-      } // apply position
-
-
-      t.style.top = style.top + 'px';
-      t.style.left = style.left + 'px';
-      a.style.top = style.arrowTop + 'px';
-      a.style.left = style.arrowLeft + 'px';
-      var newPos = style.posClass.join('-');
-
-      if (newPos !== this.prop.pos) {
-        t.classList.remove("psv-tooltip--" + this.prop.pos);
-        this.prop.pos = newPos;
-        t.classList.add("psv-tooltip--" + this.prop.pos);
-      }
-    }
-    /**
-     * @summary Hides the tooltip
-     * @fires PSV.hide-tooltip
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.classList.remove('psv-tooltip--visible');
-      this.prop.state = STATE.HIDING;
-      this.psv.trigger(EVENTS.HIDE_TOOLTIP, this.prop.data);
-    }
-    /**
-     * @summary Finalize transition
-     * @param {TransitionEvent} e
-     * @private
-     */
-    ;
-
-    _proto.__onTransitionEnd = function __onTransitionEnd(e) {
-      if (e.propertyName === 'transform') {
-        switch (this.prop.state) {
-          case STATE.SHOWING:
-            this.container.classList.add('psv-tooltip--visible');
-            this.prop.state = STATE.READY;
-            break;
-
-          case STATE.HIDING:
-            this.prop.state = STATE.NONE;
-            this.destroy();
-            break;
-
-        }
-      }
-    }
-    /**
-     * @summary Computes the position of the tooltip and its arrow
-     * @param {Object} style
-     * @param {Object} config
-     * @private
-     */
-    ;
-
-    _proto.__computeTooltipPosition = function __computeTooltipPosition(style, config) {
-      var topBottom = false;
-
-      if (!config.box) {
-        config.box = {
-          width: 0,
-          height: 0
-        };
-      }
-
-      switch (style.posClass[0]) {
-        case 'bottom':
-          style.top = config.top + config.box.height + this.prop.offset + this.prop.arrow;
-          style.arrowTop = -this.prop.arrow * 2;
-          topBottom = true;
-          break;
-
-        case 'center':
-          style.top = config.top + config.box.height / 2 - style.height / 2;
-          style.arrowTop = style.height / 2 - this.prop.arrow;
-          break;
-
-        case 'top':
-          style.top = config.top - style.height - this.prop.offset - this.prop.arrow;
-          style.arrowTop = style.height;
-          topBottom = true;
-          break;
-        // no default
-      }
-
-      switch (style.posClass[1]) {
-        case 'right':
-          if (topBottom) {
-            style.left = config.left + config.box.width / 2 - this.prop.offset - this.prop.arrow;
-            style.arrowLeft = this.prop.offset;
-          } else {
-            style.left = config.left + config.box.width + this.prop.offset + this.prop.arrow;
-            style.arrowLeft = -this.prop.arrow * 2;
-          }
-
-          break;
-
-        case 'center':
-          style.left = config.left + config.box.width / 2 - style.width / 2;
-          style.arrowLeft = style.width / 2 - this.prop.arrow;
-          break;
-
-        case 'left':
-          if (topBottom) {
-            style.left = config.left - style.width + config.box.width / 2 + this.prop.offset + this.prop.arrow;
-            style.arrowLeft = style.width - this.prop.offset - this.prop.arrow * 2;
-          } else {
-            style.left = config.left - style.width - this.prop.offset - this.prop.arrow;
-            style.arrowLeft = style.width;
-          }
-
-          break;
-        // no default
-      }
-    }
-    /**
-     * @summary If the tooltip contains images, recompute its size once they are loaded
-     * @private
-     */
-    ;
-
-    _proto.__waitImages = function __waitImages() {
-      var _this2 = this;
-
-      var images = this.content.querySelectorAll('img');
-
-      if (images.length > 0) {
-        var promises = [];
-        images.forEach(function (image) {
-          promises.push(new Promise(function (resolve) {
-            image.onload = resolve;
-            image.onerror = resolve;
-          }));
-        });
-        Promise.all(promises).then(function () {
-          if (_this2.prop.state === STATE.SHOWING || _this2.prop.state === STATE.READY) {
-            var rect = _this2.container.getBoundingClientRect();
-
-            _this2.prop.width = rect.right - rect.left;
-            _this2.prop.height = rect.bottom - rect.top;
-
-            _this2.move(_this2.config);
-          }
-        });
-      }
-    };
-
-    return Tooltip;
-  }(AbstractComponent);
-
-  /**
-   * @summary Tooltip renderer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var TooltipRenderer = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(TooltipRenderer, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function TooltipRenderer(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      var testTooltip = new Tooltip(_this.psv);
-      /**
-       * @summary Computed static sizes
-       * @member {Object}
-       * @package
-       * @property {number} arrowSize
-       * @property {number} offset
-       */
-
-      _this.size = {
-        arrow: parseInt(getStyle(testTooltip.arrow, 'borderTopWidth'), 10),
-        offset: parseInt(getStyle(testTooltip.container, 'outlineWidth'), 10)
-      };
-      testTooltip.destroy();
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = TooltipRenderer.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.size;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Displays a tooltip on the viewer
-     * @param {PSV.components.Tooltip.Config} config
-     * @returns {PSV.components.Tooltip}
-     *
-     * @fires PSV.show-tooltip
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     *
-     * @example
-     * viewer.tooltip.create({ content: 'Hello world', top: 200, left: 450, position: 'center bottom'})
-     */
-    ;
-
-    _proto.create = function create(config) {
-      var tooltip = new Tooltip(this.psv, this.size);
-      tooltip.show(config);
-      return tooltip;
-    };
-
-    return TooltipRenderer;
-  }(AbstractService);
-
-  three.Cache.enabled = true;
-  /**
-   * @summary Main class
-   * @memberOf PSV
-   * @extends {external:uEvent.EventEmitter}
-   */
-
-  var Viewer = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(Viewer, _EventEmitter);
-
-    /**
-     * @param {PSV.Options} options
-     * @fires PSV.ready
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    function Viewer(options) {
-      var _this;
-
-      _this = _EventEmitter.call(this) || this;
-      SYSTEM.load(); // must support WebGL
-
-      if (!SYSTEM.isWebGLSupported) {
-        throw new PSVError('WebGL is not supported.');
-      }
-
-      if (SYSTEM.maxTextureWidth === 0) {
-        throw new PSVError('Unable to detect system capabilities');
-      }
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} ready - when all components are loaded
-       * @property {boolean} uiRefresh - if the UI needs to be renderer
-       * @property {boolean} needsUpdate - if the view needs to be renderer
-       * @property {boolean} fullscreen - if the viewer is currently fullscreen
-       * @property {external:THREE.Vector3} direction - direction of the camera
-       * @property {number} vFov - vertical FOV
-       * @property {number} hFov - horizontal FOV
-       * @property {number} aspect - viewer aspect ratio
-       * @property {boolean} autorotateEnabled - automatic rotation is enabled
-       * @property {PSV.Animation} animationPromise - promise of the current animation
-       * @property {Promise} loadingPromise - promise of the setPanorama method
-       * @property {boolean} littlePlanet - special tweaks for LittlePlanetAdapter
-       * @property {number} idleTime - time of the last user action
-       * @property {object} objectsObservers
-       * @property {PSV.Size} size - size of the container
-       * @property {PSV.PanoData} panoData - panorama metadata, if supported
-       */
-
-
-      _this.prop = {
-        ready: false,
-        uiRefresh: false,
-        needsUpdate: false,
-        fullscreen: false,
-        direction: new three.Vector3(0, 0, SPHERE_RADIUS),
-        vFov: null,
-        hFov: null,
-        aspect: null,
-        autorotateEnabled: false,
-        animationPromise: null,
-        loadingPromise: null,
-        littlePlanet: false,
-        idleTime: -1,
-        objectsObservers: {},
-        size: {
-          width: 0,
-          height: 0
-        },
-        panoData: {
-          fullWidth: 0,
-          fullHeight: 0,
-          croppedWidth: 0,
-          croppedHeight: 0,
-          croppedX: 0,
-          croppedY: 0,
-          poseHeading: 0,
-          posePitch: 0,
-          poseRoll: 0
-        }
-      };
-      /**
-       * @summary Configuration holder
-       * @type {PSV.Options}
-       * @readonly
-       */
-
-      _this.config = getConfig(options);
-      /**
-       * @summary Top most parent
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.parent = typeof options.container === 'string' ? document.getElementById(options.container) : options.container;
-      _this.parent[VIEWER_DATA] = _assertThisInitialized(_this);
-      /**
-       * @summary Main container
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.container = document.createElement('div');
-
-      _this.container.classList.add('psv-container');
-
-      _this.parent.appendChild(_this.container);
-      /**
-       * @summary Render adapter
-       * @type {PSV.adapters.AbstractAdapter}
-       * @readonly
-       * @package
-       */
-
-
-      _this.adapter = new _this.config.adapter[0](_assertThisInitialized(_this), _this.config.adapter[1]); // eslint-disable-line new-cap
-
-      /**
-       * @summary All child components
-       * @type {PSV.components.AbstractComponent[]}
-       * @readonly
-       * @package
-       */
-
-      _this.children = [];
-      /**
-       * @summary All plugins
-       * @type {Object<string, PSV.plugins.AbstractPlugin>}
-       * @readonly
-       * @package
-       */
-
-      _this.plugins = {};
-      /**
-       * @type {PSV.services.Renderer}
-       * @readonly
-       */
-
-      _this.renderer = new Renderer(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.TextureLoader}
-       * @readonly
-       */
-
-      _this.textureLoader = new TextureLoader(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.EventsHandler}
-       * @readonly
-       */
-
-      _this.eventsHandler = new EventsHandler(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.DataHelper}
-       * @readonly
-       */
-
-      _this.dataHelper = new DataHelper(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Loader}
-       * @readonly
-       */
-
-      _this.loader = new Loader(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Navbar}
-       * @readonly
-       */
-
-      _this.navbar = new Navbar(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Panel}
-       * @readonly
-       */
-
-      _this.panel = new Panel(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.services.TooltipRenderer}
-       * @readonly
-       */
-
-      _this.tooltip = new TooltipRenderer(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Notification}
-       * @readonly
-       */
-
-      _this.notification = new Notification(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Overlay}
-       * @readonly
-       */
-
-      _this.overlay = new Overlay(_assertThisInitialized(_this));
-      /**
-       * @member {Record<string, PSV.utils.Dynamic>}
-       * @package
-       */
-
-      _this.dynamics = {
-        zoom: new Dynamic(function (value) {
-          _this.prop.vFov = _this.dataHelper.zoomLevelToFov(value);
-          _this.prop.hFov = _this.dataHelper.vFovToHFov(_this.prop.vFov);
-
-          _this.trigger(EVENTS.ZOOM_UPDATED, value);
-        }, _this.config.defaultZoomLvl, 0, 100),
-        position: new MultiDynamic({
-          longitude: new Dynamic(null, _this.config.defaultLong, 0, 2 * Math.PI, true),
-          latitude: _this.prop.littlePlanet ? new Dynamic(null, _this.config.defaultLat, 0, Math.PI * 2, true) : new Dynamic(null, _this.config.defaultLat, -Math.PI / 2, Math.PI / 2)
-        }, function (position) {
-          _this.dataHelper.sphericalCoordsToVector3(position, _this.prop.direction);
-
-          _this.trigger(EVENTS.POSITION_UPDATED, position);
-        })
-      };
-
-      _this.__updateSpeeds();
-
-      _this.eventsHandler.init();
-
-      _this.__resizeRefresh = throttle(function () {
-        return _this.refreshUi('resize');
-      }, 500); // apply container size
-
-      _this.resize(_this.config.size); // init plugins
-
-
-      _this.config.plugins.forEach(function (_ref) {
-        var plugin = _ref[0],
-            opts = _ref[1];
-        _this.plugins[plugin.id] = new plugin(_assertThisInitialized(_this), opts); // eslint-disable-line new-cap
-      });
-
-      each(_this.plugins, function (plugin) {
-        return plugin.init == null ? void 0 : plugin.init();
-      }); // init buttons
-
-      _this.navbar.setButtons(_this.config.navbar); // load panorama
-
-
-      if (_this.config.panorama) {
-        _this.setPanorama(_this.config.panorama);
-      }
-
-      toggleClass(_this.container, 'psv--is-touch', SYSTEM.isTouchEnabled.initial);
-      SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-        return toggleClass(_this.container, 'psv--is-touch', enabled);
-      }); // enable GUI after first render
-
-      _this.once(EVENTS.RENDER, function () {
-        if (_this.config.navbar) {
-          _this.container.classList.add('psv--has-navbar');
-
-          _this.navbar.show();
-        } // Queue autorotate
-
-
-        if (!isNil(_this.config.autorotateDelay)) {
-          _this.prop.idleTime = performance.now();
-        }
-
-        _this.prop.ready = true;
-        setTimeout(function () {
-          _this.refreshUi('init');
-
-          _this.trigger(EVENTS.READY);
-        }, 0);
-      });
-
-      return _this;
-    }
-    /**
-     * @summary Destroys the viewer
-     * @description The memory used by the ThreeJS context is not totally cleared. This will be fixed as soon as possible.
-     */
-
-
-    var _proto = Viewer.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__stopAll();
-
-      this.stopKeyboardControl();
-      this.exitFullscreen();
-      each(this.plugins, function (plugin) {
-        return plugin.destroy();
-      });
-      delete this.plugins;
-      this.children.slice().forEach(function (child) {
-        return child.destroy();
-      });
-      this.children.length = 0;
-      this.eventsHandler.destroy();
-      this.renderer.destroy();
-      this.textureLoader.destroy();
-      this.dataHelper.destroy();
-      this.adapter.destroy();
-      this.parent.removeChild(this.container);
-      delete this.parent[VIEWER_DATA];
-      delete this.parent;
-      delete this.container;
-      delete this.loader;
-      delete this.navbar;
-      delete this.panel;
-      delete this.tooltip;
-      delete this.notification;
-      delete this.overlay;
-      delete this.dynamics;
-      delete this.config;
-    }
-    /**
-     * @summary Refresh UI
-     * @package
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi(reason) {
-      var _this2 = this;
-
-      if (!this.prop.ready) {
-        return;
-      }
-
-      if (!this.prop.uiRefresh) {
-        // console.log(`PhotoSphereViewer: UI Refresh, ${reason}`);
-        this.prop.uiRefresh = true;
-        this.children.every(function (child) {
-          child.refreshUi();
-          return _this2.prop.uiRefresh === true;
-        });
-        this.prop.uiRefresh = false;
-      } else if (this.prop.uiRefresh !== 'new') {
-        this.prop.uiRefresh = 'new'; // wait for current refresh to cancel
-
-        setTimeout(function () {
-          _this2.prop.uiRefresh = false;
-
-          _this2.refreshUi(reason);
-        });
-      }
-    }
-    /**
-     * @summary Returns the instance of a plugin if it exists
-     * @param {Class<PSV.plugins.AbstractPlugin>|string} pluginId
-     * @returns {PSV.plugins.AbstractPlugin}
-     */
-    ;
-
-    _proto.getPlugin = function getPlugin(pluginId) {
-      if (typeof pluginId === 'string') {
-        return this.plugins[pluginId];
-      } else {
-        var pluginCtor = pluginInterop(pluginId, AbstractPlugin);
-        return pluginCtor ? this.plugins[pluginCtor.id] : undefined;
-      }
-    }
-    /**
-     * @summary Returns the current position of the camera
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.getPosition = function getPosition() {
-      return this.dataHelper.cleanPosition(this.dynamics.position.current);
-    }
-    /**
-     * @summary Returns the current zoom level
-     * @returns {number}
-     */
-    ;
-
-    _proto.getZoomLevel = function getZoomLevel() {
-      return this.dynamics.zoom.current;
-    }
-    /**
-     * @summary Returns the current viewer size
-     * @returns {PSV.Size}
-     */
-    ;
-
-    _proto.getSize = function getSize() {
-      return _extends({}, this.prop.size);
-    }
-    /**
-     * @summary Checks if the automatic rotation is enabled
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isAutorotateEnabled = function isAutorotateEnabled() {
-      return this.prop.autorotateEnabled;
-    }
-    /**
-     * @summary Checks if the viewer is in fullscreen
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isFullscreenEnabled = function isFullscreenEnabled$1() {
-      if (SYSTEM.fullscreenEvent) {
-        return isFullscreenEnabled(this.container);
-      } else {
-        return this.prop.fullscreen;
-      }
-    }
-    /**
-     * @summary Flags the view has changed for the next render
-     */
-    ;
-
-    _proto.needsUpdate = function needsUpdate() {
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Resizes the canvas when the window is resized
-     * @fires PSV.size-updated
-     */
-    ;
-
-    _proto.autoSize = function autoSize() {
-      if (this.container.clientWidth !== this.prop.size.width || this.container.clientHeight !== this.prop.size.height) {
-        this.prop.size.width = Math.round(this.container.clientWidth);
-        this.prop.size.height = Math.round(this.container.clientHeight);
-        this.prop.aspect = this.prop.size.width / this.prop.size.height;
-        this.prop.hFov = this.dataHelper.vFovToHFov(this.prop.vFov);
-        this.trigger(EVENTS.SIZE_UPDATED, this.getSize());
-
-        this.__resizeRefresh();
-      }
-    }
-    /**
-     * @summary Loads a new panorama file
-     * @description Loads a new panorama file, optionally changing the camera position/zoom and activating the transition animation.<br>
-     * If the "options" parameter is not defined, the camera will not move and the ongoing animation will continue.<br>
-     * If another loading is already in progress it will be aborted.
-     * @param {*} path - URL of the new panorama file
-     * @param {PSV.PanoramaOptions} [options]
-     * @returns {Promise<boolean>} resolves false if the loading was aborted by another call
-     */
-    ;
-
-    _proto.setPanorama = function setPanorama(path, options) {
-      var _this$prop$transition,
-          _this3 = this;
-
-      if (options === void 0) {
-        options = {};
-      }
-
-      this.textureLoader.abortLoading();
-      (_this$prop$transition = this.prop.transitionAnimation) == null ? void 0 : _this$prop$transition.cancel(); // apply default parameters on first load
-
-      if (!this.prop.ready) {
-        ['sphereCorrection', 'panoData', 'overlay', 'overlayOpacity'].forEach(function (opt) {
-          if (!(opt in options)) {
-            options[opt] = _this3.config[opt];
-          }
-        });
-      }
-
-      if (options.transition === undefined || options.transition === true) {
-        options.transition = DEFAULT_TRANSITION;
-      }
-
-      if (options.showLoader === undefined) {
-        options.showLoader = true;
-      }
-
-      if (options.caption === undefined) {
-        options.caption = this.config.caption;
-      }
-
-      if (options.description === undefined) {
-        options.description = this.config.description;
-      }
-
-      if (!options.panoData && typeof this.config.panoData === 'function') {
-        options.panoData = this.config.panoData;
-      }
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options);
-
-      if (positionProvided || zoomProvided) {
-        this.__stopAll();
-      }
-
-      this.hideError();
-      this.config.panorama = path;
-      this.config.caption = options.caption;
-      this.config.description = options.description;
-
-      var done = function done(err) {
-        _this3.loader.hide();
-
-        _this3.prop.loadingPromise = null;
-
-        if (isAbortError(err)) {
-          return false;
-        } else if (err) {
-          _this3.navbar.setCaption('');
-
-          _this3.showError(_this3.config.lang.loadError);
-
-          console.error(err);
-          throw err;
-        } else {
-          _this3.resetIdleTimer();
-
-          _this3.setOverlay(options.overlay, options.overlayOpacity);
-
-          _this3.navbar.setCaption(_this3.config.caption);
-
-          return true;
-        }
-      };
-
-      this.navbar.setCaption("<em>" + (this.config.loadingTxt || '') + "</em>");
-
-      if (options.showLoader || !this.prop.ready) {
-        this.loader.show();
-      }
-
-      var loadingPromise = this.adapter.loadTexture(this.config.panorama, options.panoData).then(function (textureData) {
-        // check if another panorama was requested
-        if (textureData.panorama !== _this3.config.panorama) {
-          _this3.adapter.disposeTexture(textureData);
-
-          throw getAbortError();
-        }
-
-        return textureData;
-      });
-
-      if (!options.transition || !this.prop.ready || !this.adapter.supportsTransition(this.config.panorama)) {
-        this.prop.loadingPromise = loadingPromise.then(function (textureData) {
-          _this3.renderer.show();
-
-          _this3.renderer.setTexture(textureData);
-
-          _this3.renderer.setPanoramaPose(textureData.panoData);
-
-          _this3.renderer.setSphereCorrection(options.sphereCorrection);
-
-          if (zoomProvided) {
-            _this3.zoom(options.zoom);
-          }
-
-          if (positionProvided) {
-            _this3.rotate(options);
-          }
-        }).then(done, done);
-      } else {
-        this.prop.loadingPromise = loadingPromise.then(function (textureData) {
-          _this3.loader.hide();
-
-          _this3.prop.transitionAnimation = _this3.renderer.transition(textureData, options);
-          return _this3.prop.transitionAnimation;
-        }).then(function (completed) {
-          _this3.prop.transitionAnimation = null;
-
-          if (!completed) {
-            throw getAbortError();
-          }
-        }).then(done, done);
-      }
-
-      return this.prop.loadingPromise;
-    }
-    /**
-     * @summary Loads a new overlay
-     * @param {*} path - URL of the new overlay file
-     * @param {number} [opacity=1]
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(path, opacity) {
-      var _this4 = this;
-
-      if (opacity === void 0) {
-        opacity = 1;
-      }
-
-      if (!this.adapter.constructor.supportsOverlay) {
-        return Promise.reject(new PSVError(this.adapter.constructor.id + " adapter does not supports overlay"));
-      }
-
-      if (!path) {
-        this.renderer.setOverlay(null, 0);
-        return Promise.resolve();
-      } else {
-        return this.adapter.loadTexture(path, function (image) {
-          var p = _this4.prop.panoData;
-          var r = image.width / p.croppedWidth;
-          return {
-            fullWidth: r * p.fullWidth,
-            fullHeight: r * p.fullHeight,
-            croppedWidth: r * p.croppedWidth,
-            croppedHeight: r * p.croppedHeight,
-            croppedX: r * p.croppedX,
-            croppedY: r * p.croppedY
-          };
-        }, false).then(function (textureData) {
-          _this4.renderer.setOverlay(textureData, opacity);
-        });
-      }
-    }
-    /**
-     * @summary Update options
-     * @param {PSV.Options} options
-     * @fires PSV.config-changed
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.setOptions = function setOptions(options) {
-      var _this5 = this;
-
-      var rawConfig = _extends({}, this.config, options);
-
-      each(options, function (value, key) {
-        if (DEPRECATED_OPTIONS[key]) {
-          logWarn(DEPRECATED_OPTIONS[key]);
-          return;
-        }
-
-        if (!Object.prototype.hasOwnProperty.call(DEFAULTS, key)) {
-          throw new PSVError("Unknown option " + key);
-        }
-
-        if (READONLY_OPTIONS[key]) {
-          throw new PSVError(READONLY_OPTIONS[key]);
-        }
-
-        if (CONFIG_PARSERS[key]) {
-          _this5.config[key] = CONFIG_PARSERS[key](value, rawConfig);
-        } else {
-          _this5.config[key] = value;
-        }
-
-        switch (key) {
-          case 'overlay':
-          case 'overlayOpacity':
-            _this5.setOverlay(_this5.config.overlay, _this5.config.overlayOpacity);
-
-            break;
-
-          case 'caption':
-          case 'description':
-            _this5.navbar.setCaption(_this5.config.caption);
-
-            break;
-
-          case 'size':
-            _this5.resize(value);
-
-            break;
-
-          case 'sphereCorrection':
-            _this5.renderer.setSphereCorrection(value);
-
-            break;
-
-          case 'navbar':
-          case 'lang':
-            _this5.navbar.setButtons(_this5.config.navbar);
-
-            break;
-
-          case 'moveSpeed':
-          case 'zoomSpeed':
-            _this5.__updateSpeeds();
-
-            break;
-
-          case 'minFov':
-          case 'maxFov':
-            _this5.dynamics.zoom.setValue(_this5.dataHelper.fovToZoomLevel(_this5.prop.vFov));
-
-            _this5.trigger(EVENTS.ZOOM_UPDATED, _this5.getZoomLevel());
-
-            break;
-
-          case 'canvasBackground':
-            _this5.renderer.canvasContainer.style.background = _this5.config.canvasBackground;
-            break;
-
-          case 'autorotateIdle':
-            _this5.resetIdleTimer();
-
-            break;
-        }
-      });
-      this.needsUpdate();
-      this.refreshUi('set options');
-      this.trigger(EVENTS.CONFIG_CHANGED, Object.keys(options));
-    }
-    /**
-     * @summary Update options
-     * @param {string} option
-     * @param {any} value
-     * @fires PSV.config-changed
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.setOption = function setOption(option, value) {
-      var _this$setOptions;
-
-      this.setOptions((_this$setOptions = {}, _this$setOptions[option] = value, _this$setOptions));
-    }
-    /**
-     * @summary Restarts the idle timer (if `autorotateIdle=true`)
-     * @package
-     */
-    ;
-
-    _proto.resetIdleTimer = function resetIdleTimer() {
-      this.prop.idleTime = this.config.autorotateIdle ? performance.now() : -1;
-    }
-    /**
-     * @summary Stops the idle timer
-     * @package
-     */
-    ;
-
-    _proto.disableIdleTimer = function disableIdleTimer() {
-      this.prop.idleTime = -1;
-    }
-    /**
-     * @summary Starts the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.startAutorotate = function startAutorotate(refresh) {
-      if (refresh === void 0) {
-        refresh = false;
-      }
-
-      if (refresh && !this.isAutorotateEnabled()) {
-        return;
-      }
-
-      if (!refresh && this.isAutorotateEnabled()) {
-        return;
-      }
-
-      if (!refresh) {
-        this.__stopAll();
-      }
-
-      this.dynamics.position.roll({
-        longitude: this.config.autorotateSpeed < 0
-      }, Math.abs(this.config.autorotateSpeed / this.config.moveSpeed));
-      this.dynamics.position.goto({
-        latitude: this.config.autorotateLat
-      }, Math.abs(this.config.autorotateSpeed / this.config.moveSpeed));
-      this.prop.autorotateEnabled = true;
-
-      if (!refresh) {
-        this.trigger(EVENTS.AUTOROTATE, true);
-      }
-    }
-    /**
-     * @summary Stops the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.stopAutorotate = function stopAutorotate() {
-      if (this.isAutorotateEnabled()) {
-        this.dynamics.position.stop();
-        this.prop.autorotateEnabled = false;
-        this.trigger(EVENTS.AUTOROTATE, false);
-      }
-    }
-    /**
-     * @summary Starts or stops the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.toggleAutorotate = function toggleAutorotate() {
-      if (this.isAutorotateEnabled()) {
-        this.stopAutorotate();
-      } else {
-        this.startAutorotate();
-      }
-    }
-    /**
-     * @summary Displays an error message over the viewer
-     * @param {string} message
-     */
-    ;
-
-    _proto.showError = function showError(message) {
-      this.overlay.show({
-        id: IDS.ERROR,
-        image: errorIcon,
-        text: message,
-        dissmisable: false
-      });
-    }
-    /**
-     * @summary Hides the error message
-     */
-    ;
-
-    _proto.hideError = function hideError() {
-      this.overlay.hide(IDS.ERROR);
-    }
-    /**
-     * @summary Rotates the view to specific longitude and latitude
-     * @param {PSV.ExtendedPosition} position
-     * @fires PSV.before-rotate
-     * @fires PSV.position-updated
-     */
-    ;
-
-    _proto.rotate = function rotate(position) {
-      var e = this.trigger(EVENTS.BEFORE_ROTATE, position);
-
-      if (e.isDefaultPrevented()) {
-        return;
-      }
-
-      var cleanPosition = this.change(CHANGE_EVENTS.GET_ROTATE_POSITION, this.dataHelper.cleanPosition(position));
-      this.dynamics.position.setValue(cleanPosition);
-    }
-    /**
-     * @summary Rotates and zooms the view with a smooth animation
-     * @param {PSV.AnimateOptions} options - position and/or zoom level
-     * @returns {PSV.Animation}
-     */
-    ;
-
-    _proto.animate = function animate(options) {
-      var _this6 = this;
-
-      this.__stopAll();
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options);
-      var animProperties = {};
-      var duration; // clean/filter position and compute duration
-
-      if (positionProvided) {
-        var cleanPosition = this.change(CHANGE_EVENTS.GET_ANIMATE_POSITION, this.dataHelper.cleanPosition(options));
-        var currentPosition = this.getPosition(); // longitude offset for shortest arc
-
-        var tOffset = getShortestArc(currentPosition.longitude, cleanPosition.longitude);
-        animProperties.longitude = {
-          start: currentPosition.longitude,
-          end: currentPosition.longitude + tOffset
-        };
-        animProperties.latitude = {
-          start: currentPosition.latitude,
-          end: cleanPosition.latitude
-        };
-        duration = this.dataHelper.speedToDuration(options.speed, getAngle(currentPosition, cleanPosition));
-      } // clean/filter zoom and compute duration
-
-
-      if (zoomProvided) {
-        var dZoom = Math.abs(options.zoom - this.getZoomLevel());
-        animProperties.zoom = {
-          start: this.getZoomLevel(),
-          end: options.zoom
-        };
-
-        if (!duration) {
-          // if animating zoom only and a speed is given, use an arbitrary PI/4 to compute the duration
-          duration = this.dataHelper.speedToDuration(options.speed, Math.PI / 4 * dZoom / 100);
-        }
-      } // if no animation needed
-
-
-      if (!duration) {
-        if (positionProvided) {
-          this.rotate(options);
-        }
-
-        if (zoomProvided) {
-          this.zoom(options.zoom);
-        }
-
-        return new Animation();
-      }
-
-      this.prop.animationPromise = new Animation({
-        properties: animProperties,
-        duration: duration,
-        easing: 'inOutSine',
-        onTick: function onTick(properties) {
-          if (positionProvided) {
-            _this6.rotate(properties);
-          }
-
-          if (zoomProvided) {
-            _this6.zoom(properties.zoom);
-          }
-        }
-      });
-      this.prop.animationPromise.then(function () {
-        _this6.prop.animationPromise = null;
-
-        _this6.resetIdleTimer();
-      });
-      return this.prop.animationPromise;
-    }
-    /**
-     * @summary Stops the ongoing animation
-     * @description The return value is a Promise because the is no guaranty the animation can be stopped synchronously.
-     * @returns {Promise} Resolved when the animation has ben cancelled
-     */
-    ;
-
-    _proto.stopAnimation = function stopAnimation() {
-      var _this7 = this;
-
-      if (this.prop.animationPromise) {
-        return new Promise(function (resolve) {
-          _this7.prop.animationPromise.then(resolve);
-
-          _this7.prop.animationPromise.cancel();
-
-          _this7.prop.animationPromise = null;
-        });
-      } else {
-        return Promise.resolve();
-      }
-    }
-    /**
-     * @summary Zooms to a specific level between `max_fov` and `min_fov`
-     * @param {number} level - new zoom level from 0 to 100
-     * @fires PSV.zoom-updated
-     */
-    ;
-
-    _proto.zoom = function zoom(level) {
-      this.dynamics.zoom.setValue(level);
-    }
-    /**
-     * @summary Increases the zoom level
-     * @param {number} [step=1]
-     */
-    ;
-
-    _proto.zoomIn = function zoomIn(step) {
-      if (step === void 0) {
-        step = 1;
-      }
-
-      this.dynamics.zoom.step(step);
-    }
-    /**
-     * @summary Decreases the zoom level
-     * @param {number} [step=1]
-     */
-    ;
-
-    _proto.zoomOut = function zoomOut(step) {
-      if (step === void 0) {
-        step = 1;
-      }
-
-      this.dynamics.zoom.step(-step);
-    }
-    /**
-     * @summary Resizes the viewer
-     * @param {PSV.CssSize} size
-     */
-    ;
-
-    _proto.resize = function resize(size) {
-      var _this8 = this;
-
-      ['width', 'height'].forEach(function (dim) {
-        if (size && size[dim]) {
-          if (/^[0-9.]+$/.test(size[dim])) {
-            size[dim] += 'px';
-          }
-
-          _this8.parent.style[dim] = size[dim];
-        }
-      });
-      this.autoSize();
-    }
-    /**
-     * @summary Enters the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.enterFullscreen = function enterFullscreen() {
-      if (SYSTEM.fullscreenEvent) {
-        requestFullscreen(this.container);
-      } else {
-        this.container.classList.add('psv-container--fullscreen');
-        this.autoSize();
-
-        this.eventsHandler.__fullscreenToggled(true);
-      }
-    }
-    /**
-     * @summary Exits the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.exitFullscreen = function exitFullscreen$1() {
-      if (this.isFullscreenEnabled()) {
-        if (SYSTEM.fullscreenEvent) {
-          exitFullscreen();
-        } else {
-          this.container.classList.remove('psv-container--fullscreen');
-          this.autoSize();
-
-          this.eventsHandler.__fullscreenToggled(false);
-        }
-      }
-    }
-    /**
-     * @summary Enters or exits the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.toggleFullscreen = function toggleFullscreen() {
-      if (!this.isFullscreenEnabled()) {
-        this.enterFullscreen();
-      } else {
-        this.exitFullscreen();
-      }
-    }
-    /**
-     * @summary Enables the keyboard controls (done automatically when entering fullscreen)
-     */
-    ;
-
-    _proto.startKeyboardControl = function startKeyboardControl() {
-      this.eventsHandler.enableKeyboard();
-    }
-    /**
-     * @summary Disables the keyboard controls (done automatically when exiting fullscreen)
-     */
-    ;
-
-    _proto.stopKeyboardControl = function stopKeyboardControl() {
-      this.eventsHandler.disableKeyboard();
-    }
-    /**
-     * @summary Subscribes to events on objects in the scene
-     * @param {string} userDataKey - only objects with the following `userData` will be emitted
-     * @param {EventListener} listener - must implement `handleEvent
-     * @return {function} call to stop the subscription
-     * @package
-     */
-    ;
-
-    _proto.observeObjects = function observeObjects(userDataKey, listener) {
-      var _this9 = this;
-
-      this.prop.objectsObservers[userDataKey] = {
-        listener: listener
-      };
-      return function () {
-        delete _this9.prop.objectsObservers[userDataKey];
-      };
-    }
-    /**
-     * @summary Stops all current animations
-     * @returns {Promise}
-     * @package
-     */
-    ;
-
-    _proto.__stopAll = function __stopAll() {
-      this.trigger(EVENTS.STOP_ALL);
-      this.disableIdleTimer();
-      this.stopAutorotate();
-      return this.stopAnimation();
-    }
-    /**
-     * @summary Recomputes dynamics speeds
-     * @private
-     */
-    ;
-
-    _proto.__updateSpeeds = function __updateSpeeds() {
-      this.dynamics.zoom.setSpeed(this.config.zoomSpeed * 50);
-      this.dynamics.position.setSpeed(three.MathUtils.degToRad(this.config.moveSpeed * 50));
-    };
-
-    return Viewer;
-  }(uevent.EventEmitter);
-
-  exports.AbstractAdapter = AbstractAdapter;
-  exports.AbstractButton = AbstractButton;
-  exports.AbstractComponent = AbstractComponent;
-  exports.AbstractPlugin = AbstractPlugin;
-  exports.Animation = Animation;
-  exports.CONSTANTS = constants;
-  exports.DEFAULTS = DEFAULTS;
-  exports.EquirectangularAdapter = EquirectangularAdapter;
-  exports.PSVError = PSVError;
-  exports.SYSTEM = SYSTEM;
-  exports.Viewer = Viewer;
-  exports.registerButton = registerButton;
-  exports.utils = index;
-
-  Object.defineProperty(exports, '__esModule', { value: true });
-
-}));
-//# sourceMappingURL=photo-sphere-viewer.js.map
-</script>
+   */function W(t,e){var o=e;return function t(e,i){return Array.isArray(i)?(e&&Array.isArray(e)?e.length=0:e=[],i.forEach((function(o,i){e[i]=t(null,o)}))):"object"==typeof i?(e&&!Array.isArray(e)||(e={}),Object.keys(i).forEach((function(n){"object"==typeof i[n]&&i[n]&&V(i[n])?i[n]!=o&&(e[n]?t(e[n],i[n]):e[n]=t(null,i[n])):e[n]=i[n]}))):e=i,e}(t,e)}function Y(t){return W(null,t)}function j(t){return!t||0===Object.keys(t).length&&t.constructor===Object}function Z(t,e){Object.keys(t).forEach((function(o){e(t[o],o)}))}function X(t){return null==t}function B(){for(var t=arguments.length,e=new Array(t),o=0;o<t;o++)e[o]=arguments[o];for(var i=0,n=e;i<n.length;i++){var r=n[i];if(!X(r))return r}}function G(t){return"object"==typeof t&&null!=t}function q(t,e){if(t)for(var o=0,i=[["_",t]].concat(Object.entries(t));o<i.length;o++){var n=i[o][1];if(n.prototype instanceof e)return n}return null}function K(){var t=new Error("Loading was aborted.");return t.name="AbortError",t}function Q(t){return"AbortError"===(null==t?void 0:t.name)}function $(t){console.warn("PhotoSphereViewer: "+t)}function J(t){return[["x","y"],["longitude","latitude"]].some((function(e){var o=e[0],i=e[1];return void 0!==t[o]&&void 0!==t[i]}))}function tt(t,e){var o=t.match("<GPano:"+e+">(.*)</GPano:"+e+">");if(null!==o){var i=parseInt(o[1],10);return isNaN(i)?null:i}if(null!==(o=t.match("GPano:"+e+'="(.*?)"'))){var n=parseInt(o[1],10);return isNaN(n)?null:n}return null}var et={top:"0%",bottom:"100%",left:"0%",right:"100%",center:"50%"};function ot(t){if(!t)return{x:.5,y:.5};if("object"==typeof t)return t;var e=t.toLocaleLowerCase().split(" ").slice(0,2);1===e.length&&(e=void 0!==et[e[0]]?[e[0],"center"]:[e[0],e[0]]);var o="left"!==e[1]&&"right"!==e[1]&&"top"!==e[0]&&"bottom"!==e[0];e=e.map((function(t){return et[t]||t})),o||e.reverse();var i=e.join(" ").match(/^([0-9.]+)% ([0-9.]+)%$/);return i?{x:parseFloat(i[1])/100,y:parseFloat(i[2])/100}:{x:.5,y:.5}}var 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i;return(i=t.call(this,e,"psv-custom-button",!1!==o.collapsable,!1!==o.tabbable)||this).config=o,i.config.id?i.prop.id=i.config.id:i.prop.id="psvButton-"+Math.random().toString(36).substr(2,9),i.config.className&&x(i.container,i.config.className),i.config.title&&(i.container.title=i.config.title),i.config.content&&(i.container.innerHTML=i.config.content),i.prop.width=i.container.offsetWidth,!1===i.config.enabled&&i.disable(),!1===i.config.visible&&i.hide(),i}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.config,t.prototype.destroy.call(this)},o.onClick=function(){this.config.onClick&&this.config.onClick.call(this.psv,this.psv)},e}(_t),Et=function(t){function e(e){var o;return(o=t.call(this,e,"psv-button--hover-scale psv-description-button")||this).prop=a({},o.prop,{mode:null}),o.psv.on(f.HIDE_NOTIFICATION,l(o)),o.psv.on(f.SHOW_NOTIFICATION,l(o)),o.psv.on(f.CLOSE_PANEL,l(o)),o.psv.on(f.OPEN_PANEL,l(o)),o}c(e,t);var o=e.prototype;return 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t.call(this,e,"psv-button--hover-scale psv-download-button",!0)||this}c(e,t);var o=e.prototype;return o.onClick=function(){var t=this,e=document.createElement("a");e.href=this.psv.config.downloadUrl||this.psv.config.panorama,e.download=e.href.split("/").pop(),this.psv.container.appendChild(e),e.click(),setTimeout((function(){t.psv.container.removeChild(e)}),100)},o.refreshUi=function(){var t=this.psv.adapter.constructor.supportsDownload||this.psv.config.downloadUrl;t&&!this.prop.visible?this.show():!t&&this.prop.visible&&this.hide()},e}(_t);Tt.id="download",Tt.icon='<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="currentColor" d="M83.3 35.6h-17V3H32.2v32.6H16.6l33.6 32.7 33-32.7z"/><path fill="currentColor" d="M83.3 64.2v16.3H16.6V64.2H-.1v32.6H100V64.2H83.3z"/>\x3c!--Created by Michael Zenaty from the Noun Project--\x3e</svg>\n';var bt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-button--hover-scale 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o.destroy=function(){this.__onMouseUp(),this.psv.container.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchend",this),t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case"mousedown":this.__onMouseDown();break;case"mouseup":case"touchend":this.__onMouseUp();break;case"keydown":t.key===y.Enter&&this.__onMouseDown();break;case"keyup":t.key===y.Enter&&this.__onMouseUp()}},o.isSupported=function(){return{initial:!b.isTouchEnabled.initial,promise:b.isTouchEnabled.promise.then((function(t){return!t}))}},o.onClick=function(){},o.__onMouseDown=function(){this.prop.enabled&&(this.psv.__stopAll(),this.psv.dynamics.position.roll(this.prop.value),this.prop.handler.down())},o.__onMouseUp=function(){var t=this;this.prop.enabled&&this.prop.handler.up((function(){t.psv.dynamics.position.stop(),t.psv.resetIdleTimer()}))},e}(_t);Ct.groupId="move";var Pt=function(t){function e(e){return t.call(this,e,{latitude:!0})||this}return c(e,t),e}(Ct);Pt.id="moveDown",Pt.icon=xt("down");var At=function(t){function e(e){return t.call(this,e,{longitude:!0})||this}return c(e,t),e}(Ct);At.id="moveLeft",At.icon=xt("left");var It=function(t){function e(e){return t.call(this,e,{longitude:!1})||this}return c(e,t),e}(Ct);It.id="moveRight",It.icon=xt("right");var St=function(t){function e(e){return t.call(this,e,{latitude:!1})||this}return c(e,t),e}(Ct);St.id="moveUp",St.icon=xt("up");var Rt=function(t){function e(e,o){var i;return(i=t.call(this,e,"psv-button--hover-scale psv-zoom-button")||this).prop=a({},i.prop,{value:o,handler:new Lt}),i.container.addEventListener("mousedown",l(i)),i.container.addEventListener("keydown",l(i)),i.container.addEventListener("keyup",l(i)),i.psv.container.addEventListener("mouseup",l(i)),i.psv.container.addEventListener("touchend",l(i)),i}c(e,t);var o=e.prototype;return o.destroy=function(){this.__onMouseUp(),this.psv.container.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchend",this),t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case"mousedown":this.__onMouseDown();break;case"mouseup":case"touchend":this.__onMouseUp();break;case"keydown":t.key===y.Enter&&this.__onMouseDown();break;case"keyup":t.key===y.Enter&&this.__onMouseUp()}},o.isSupported=function(){return{initial:!b.isTouchEnabled.initial,promise:b.isTouchEnabled.promise.then((function(t){return!t}))}},o.onClick=function(){},o.__onMouseDown=function(){this.prop.enabled&&(this.psv.dynamics.zoom.roll(this.prop.value),this.prop.handler.down())},o.__onMouseUp=function(){var t=this;this.prop.enabled&&this.prop.handler.up((function(){return t.psv.dynamics.zoom.stop()}))},e}(_t);Rt.groupId="zoom";var kt=function(t){function e(e){return t.call(this,e,!1)||this}return c(e,t),e}(Rt);kt.id="zoomIn",kt.icon='<svg 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Nt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-zoom-range",!1,!1)||this).prop=a({},o.prop,{mediaMinWidth:0}),o.zoomRange=document.createElement("div"),o.zoomRange.className="psv-zoom-range-line",o.container.appendChild(o.zoomRange),o.zoomValue=document.createElement("div"),o.zoomValue.className="psv-zoom-range-handle",o.zoomRange.appendChild(o.zoomValue),o.slider=new vt({container:o.container,direction:vt.HORIZONTAL,onUpdate:function(t){return o.__onSliderUpdate(t)}}),o.prop.mediaMinWidth=parseInt(R(o.container,"maxWidth"),10),o.psv.on(f.ZOOM_UPDATED,l(o)),o.psv.prop.ready?o.__moveZoomValue(o.psv.getZoomLevel()):o.psv.once(f.READY,l(o)),o.refreshUi(),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.slider.destroy(),delete this.zoomRange,delete this.zoomValue,this.psv.off(f.ZOOM_UPDATED,this),this.psv.off(f.READY,this),t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case f.ZOOM_UPDATED:this.__moveZoomValue(t.args[0]);break;case 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zt={panorama:null,overlay:null,overlayOpacity:1,container:null,adapter:null,plugins:[],caption:null,description:null,downloadUrl:null,loadingImg:null,loadingTxt:"Loading...",size:null,fisheye:!1,minFov:30,maxFov:90,defaultZoomLvl:50,defaultLong:0,defaultLat:0,sphereCorrection:null,moveSpeed:1,zoomSpeed:1,autorotateDelay:null,autorotateIdle:!1,autorotateSpeed:"2rpm",autorotateLat:null,moveInertia:!0,mousewheel:!0,mousemove:!0,captureCursor:!1,mousewheelCtrlKey:!1,touchmoveTwoFingers:!1,useXmpData:!0,panoData:null,requestHeaders:null,canvasBackground:"#000",withCredentials:!1,navbar:["autorotate","zoom","move","download","description","caption","fullscreen"],lang:{autorotate:"Automatic rotation",zoom:"Zoom",zoomOut:"Zoom out",zoomIn:"Zoom in",move:"Move",download:"Download",fullscreen:"Fullscreen",menu:"Menu",twoFingers:"Use two fingers to navigate",ctrlZoom:"Use ctrl + scroll to zoom the image",loadError:"The panorama can't be loaded"},keyboard:(Ut={},Ut[y.ArrowUp]=v.ROTATE_LAT_UP,Ut[y.ArrowDown]=v.ROTATE_LAT_DOWN,Ut[y.ArrowRight]=v.ROTATE_LONG_RIGHT,Ut[y.ArrowLeft]=v.ROTATE_LONG_LEFT,Ut[y.PageUp]=v.ZOOM_IN,Ut[y.PageDown]=v.ZOOM_OUT,Ut[y.Plus]=v.ZOOM_IN,Ut[y.Minus]=v.ZOOM_OUT,Ut[y.Space]=v.TOGGLE_AUTOROTATE,Ut)},Ft={panorama:"Use setPanorama method to change the panorama",panoData:"Use setPanorama method to change the panorama",container:"Cannot change viewer container",adapter:"Cannot change adapter",plugins:"Cannot change plugins"},Vt={zoomButtonIncrement:"zoomButtonIncrement is deprecated, use zoomSpeed",mousewheelSpeed:"mousewheelSpeed is deprecated, use zoomSpeed",sphereCorrectionReorder:"sphereCorrectionReorder is deprecated"},Wt={container:function(t){if(!t)throw new i("No value given for container.");return t},adapter:function(t){if(!(t=t?Array.isArray(t)?[q(t[0],n),t[1]]:[q(t,n)]:[mt])[0])throw new i("Un undefined value with given for adapter.");return t},overlayOpacity:function(t){return e.MathUtils.clamp(t,0,1)},defaultLong:function(t){return at(t)},defaultLat:function(t){return at(t,!0)},minFov:function(t,o){return o.maxFov<t&&($("maxFov cannot be lower than minFov"),t=o.maxFov),e.MathUtils.clamp(t,1,179)},maxFov:function(t,o){return t<o.minFov&&(t=o.minFov),e.MathUtils.clamp(t,1,179)},lang:function(t){return Array.isArray(t.twoFingers)&&($("lang.twoFingers must not be an array"),t.twoFingers=t.twoFingers[0]),a({},zt.lang,t)},keyboard:function(t){return!0===t?Y(zt.keyboard):t},autorotateLat:function(t,e){return at(null===t?e.defaultLat:t,!0)},autorotateSpeed:function(t){return st(t)},autorotateIdle:function(t,e){return t&&X(e.autorotateDelay)?($("autorotateIdle requires a non null autorotateDelay"),!1):t},fisheye:function(t){return!0===t?1:!1===t?0:t},plugins:function(t){return t.map((function(t){if(!(t=Array.isArray(t)?[q(t[0],Ht),t[1]]:[q(t,Ht)])[0])throw new i("Un undefined value was given for plugins.");return t}))}};var Yt=function(t){function e(e,o){var i;return(i=t.call(this,e,"psv-caption")||this).prop=a({},i.prop,{id:i.constructor.id,collapsable:!1,width:0,contentWidth:0}),i.content=document.createElement("div"),i.content.className="psv-caption-content",i.container.appendChild(i.content),i.setCaption(o),i}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.content,t.prototype.destroy.call(this)},o.setCaption=function(t){this.show(),this.content.innerHTML=t,this.prop.contentWidth=t?this.content.offsetWidth:0,this.refreshUi()},o.refreshUi=function(){var t=this.container.offsetWidth;t>=this.prop.contentWidth?this.show():t<this.prop.contentWidth&&this.hide(),this.__refreshButton()},o.hide=function(){this.content.style.display="none",this.prop.visible=!1},o.show=function(){this.content.style.display="",this.prop.visible=!0},o.__refreshButton=function(){var t;null==(t=this.psv.navbar.getButton(Et.id,!1))||t.refreshUi(!0)},e}(gt);Yt.id="caption";var jt={},Zt={};function Xt(t,e){if(!t.id)throw new i("Button ID is required");if(jt[t.id]=t,t.groupId&&(Zt[t.groupId]=Zt[t.groupId]||[],Zt[t.groupId].push(t)),"string"==typeof e)switch(e){case"start":zt.navbar.unshift(t.id);break;case"end":zt.navbar.push(t.id);break;default:var o=e.split(":"),n=o[0],r=o[1];zt.navbar.splice(zt.navbar.indexOf(n)+("right"===r?1:0),0,t.id)}}[wt,Dt,Nt,kt,Et,Tt,bt,At,It,St,Pt].forEach(Xt);var Bt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-navbar psv--capture-event")||this).children=[],o.collapsed=[],o}c(e,t);var o=e.prototype;return o.setButtons=function(t){var e=this;this.children.slice().forEach((function(t){return t.destroy()})),this.children.length=0;var o=this.__cleanButtons(t);-1!==o.indexOf(Yt.id)&&-1===o.indexOf(Et.id)&&o.splice(o.indexOf(Yt.id),0,Et.id),o.forEach((function(t){if("object"==typeof t)new yt(e,t);else if(jt[t])new jt[t](e);else if(Zt[t])Zt[t].forEach((function(t){return new t(e)}));else{if(t!==Yt.id)throw new i("Unknown button "+t);new Yt(e,e.psv.config.caption)}})),new Mt(this),this.children.forEach((function(t){"function"==typeof t.checkSupported&&t.checkSupported()}))},o.setCaption=function(t){var e=this.getButton(Yt.id,!1);null==e||e.setCaption(t)},o.getButton=function(t,e){void 0===e&&(e=!0);var o=null;return this.children.some((function(e){return e.prop.id===t&&(o=e,!0)})),!o&&e&&$('button "'+t+'" not found in the navbar'),o},o.show=function(){this.container.classList.add("psv-navbar--open"),this.prop.visible=!0},o.hide=function(){this.container.classList.remove("psv-navbar--open"),this.prop.visible=!1},o.refreshUi=function(){if(t.prototype.refreshUi.call(this),!0===this.psv.prop.uiRefresh){var e=this.container.offsetWidth,o=0,i=[],n=[];if(this.children.forEach((function(t){t.prop.visible&&(o+=t.prop.width,i.push(t),t.prop.collapsable&&n.push(t))})),!i.length)return;e<o&&n.length>0?(n.forEach((function(t){return t.collapse()})),this.collapsed=n,this.getButton(Mt.id).show(!1)):e>=o&&this.collapsed.length>0&&(this.collapsed.forEach((function(t){return t.uncollapse()})),this.collapsed=[],this.getButton(Mt.id).hide(!1));var r=this.getButton(Yt.id,!1);r&&r.refreshUi()}},o.__cleanButtons=function(t){return!0===t?Y(zt.navbar):"string"==typeof t?t.split(/[ ,]/):t||[]},e}(gt),Gt=function(t){function o(e){var o;return(o=t.call(this,e,"psv-loader-container")||this).loader=document.createElement("div"),o.loader.className="psv-loader",o.container.appendChild(o.loader),o.canvas=document.createElement("canvas"),o.canvas.className="psv-loader-canvas",o.canvas.width=o.loader.clientWidth*b.pixelRatio,o.canvas.height=o.loader.clientWidth*b.pixelRatio,o.loader.appendChild(o.canvas),o.prop=a({},o.prop,{tickness:(o.loader.offsetWidth-o.loader.clientWidth)/2*b.pixelRatio,current:null}),o.refreshUi(),o.hide(),o}c(o,t);var i=o.prototype;return i.destroy=function(){delete this.loader,delete this.canvas,t.prototype.destroy.call(this)},i.refreshUi=function(){if(this.prop.current!==(this.psv.config.loadingImg||this.psv.config.loadingTxt)){var t;if(this.prop.current&&this.loader.removeChild(this.loader.lastChild),this.psv.config.loadingImg?((t=document.createElement("img")).className="psv-loader-image",t.src=this.psv.config.loadingImg):this.psv.config.loadingTxt&&((t=document.createElement("div")).className="psv-loader-text",t.innerHTML=this.psv.config.loadingTxt),t){var e=Math.round(Math.sqrt(2*Math.pow((this.canvas.width/2-this.prop.tickness/2)/b.pixelRatio,2)));t.style.maxWidth=e+"px",t.style.maxHeight=e+"px",this.loader.appendChild(t)}this.prop.current=this.psv.config.loadingImg||this.psv.config.loadingTxt}},i.setProgress=function(t){var o=this.canvas.getContext("2d");o.clearRect(0,0,this.canvas.width,this.canvas.height),o.lineWidth=this.prop.tickness,o.strokeStyle=R(this.loader,"color"),o.beginPath(),o.arc(this.canvas.width/2,this.canvas.height/2,this.canvas.width/2-this.prop.tickness/2,-Math.PI/2,e.MathUtils.clamp(t,0,100)/100*2*Math.PI-Math.PI/2),o.stroke(),this.psv.trigger(f.LOAD_PROGRESS,Math.round(t))},o}(gt),qt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-notification")||this).prop=a({},o.prop,{visible:!1,contentId:void 0,timeout:null}),o.content=document.createElement("div"),o.content.className="psv-notification-content",o.container.appendChild(o.content),o.content.addEventListener("click",(function(){return o.hide()})),o}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.content,t.prototype.destroy.call(this)},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Notification cannot be toggled")},o.show=function(t){var e=this;this.prop.timeout&&(clearTimeout(this.prop.timeout),this.prop.timeout=null),"string"==typeof t&&(t={content:t}),this.prop.contentId=t.id,this.content.innerHTML=t.content,this.container.classList.add("psv-notification--visible"),this.prop.visible=!0,this.psv.trigger(f.SHOW_NOTIFICATION,t.id),t.timeout&&(this.prop.timeout=setTimeout((function(){return e.hide(t.id)}),t.timeout))},o.hide=function(t){if(this.isVisible(t)){var e=this.prop.contentId;this.container.classList.remove("psv-notification--visible"),this.prop.visible=!1,this.prop.contentId=void 0,this.psv.trigger(f.HIDE_NOTIFICATION,e)}},e}(gt),Kt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-overlay")||this).prop=a({},o.prop,{contentId:void 0,dissmisable:!0}),o.image=document.createElement("div"),o.image.className="psv-overlay-image",o.container.appendChild(o.image),o.text=document.createElement("div"),o.text.className="psv-overlay-text",o.container.appendChild(o.text),o.subtext=document.createElement("div"),o.subtext.className="psv-overlay-subtext",o.container.appendChild(o.subtext),o.psv.on(f.CLICK,l(o)),o.psv.on(f.KEY_PRESS,l(o)),t.prototype.hide.call(l(o)),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.psv.off(f.CLICK,this),this.psv.off(f.KEY_PRESS,this),delete this.image,delete this.text,delete this.subtext,t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case f.CLICK:this.isVisible()&&this.prop.dissmisable&&(this.hide(),t.stopPropagation());break;case f.KEY_PRESS:this.isVisible()&&this.prop.dissmisable&&t.args[0]===y.Escape&&(this.hide(),t.preventDefault())}},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Overlay cannot be toggled")},o.show=function(e){"string"==typeof e&&(e={text:e}),this.prop.contentId=e.id,this.prop.dissmisable=!1!==e.dissmisable,this.image.innerHTML=e.image||"",this.text.innerHTML=e.text||"",this.subtext.innerHTML=e.subtext||"",t.prototype.show.call(this),this.psv.trigger(f.SHOW_OVERLAY,e.id)},o.hide=function(e){if(this.isVisible(e)){var o=this.prop.contentId;t.prototype.hide.call(this),this.prop.contentId=void 0,this.psv.trigger(f.HIDE_OVERLAY,o)}},e}(gt),Qt=function(t){function e(e){var o;(o=t.call(this,e,"psv-panel psv--capture-event")||this).prop=a({},o.prop,{visible:!1,contentId:void 0,mouseX:0,mouseY:0,mousedown:!1,clickHandler:null,keyHandler:null,width:{}});var i=document.createElement("div");i.className="psv-panel-resizer",o.container.appendChild(i);var n=document.createElement("div");return n.className="psv-panel-close-button",o.container.appendChild(n),o.content=document.createElement("div"),o.content.className="psv-panel-content",o.container.appendChild(o.content),o.container.addEventListener(b.mouseWheelEvent,(function(t){return t.stopPropagation()})),n.addEventListener("click",(function(){return o.hide()})),i.addEventListener("mousedown",l(o)),i.addEventListener("touchstart",l(o)),o.psv.container.addEventListener("mouseup",l(o)),o.psv.container.addEventListener("touchend",l(o)),o.psv.container.addEventListener("mousemove",l(o)),o.psv.container.addEventListener("touchmove",l(o)),o.psv.on(f.KEY_PRESS,l(o)),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.psv.off(f.KEY_PRESS,this),this.psv.container.removeEventListener("mousemove",this),this.psv.container.removeEventListener("touchmove",this),this.psv.container.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchend",this),delete this.prop,delete this.content,t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case"mousedown":this.__onMouseDown(t);break;case"touchstart":this.__onTouchStart(t);break;case"mousemove":this.__onMouseMove(t);break;case"touchmove":this.__onTouchMove(t);break;case"mouseup":case"touchend":this.__onMouseUp(t);break;case f.KEY_PRESS:this.isVisible()&&t.args[0]===y.Escape&&(this.hide(),t.preventDefault())}},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Panel cannot be toggled")},o.show=function(t){var e=this,o=this.isVisible(t.id);"string"==typeof t&&(t={content:t}),this.prop.contentId=t.id,this.prop.visible=!0,this.prop.clickHandler&&(this.content.removeEventListener("click",this.prop.clickHandler),this.content.removeEventListener("keydown",this.prop.keyHandler),this.prop.clickHandler=null,this.prop.keyHandler=null),t.id&&this.prop.width[t.id]?this.container.style.width=this.prop.width[t.id]:t.width?this.container.style.width=t.width:this.container.style.width=null,this.content.innerHTML=t.content,this.content.scrollTop=0,this.container.classList.add("psv-panel--open"),L(this.content,"psv-panel-content--no-margin",!0===t.noMargin),t.clickHandler&&(this.prop.clickHandler=t.clickHandler,this.prop.keyHandler=function(e){e.key===y.Enter&&t.clickHandler(e)},this.content.addEventListener("click",this.prop.clickHandler),this.content.addEventListener("keydown",this.prop.keyHandler),o||setTimeout((function(){var t;null==(t=e.content.querySelector("a,button,[tabindex]"))||t.focus()}),300)),this.psv.trigger(f.OPEN_PANEL,t.id)},o.hide=function(t){if(this.isVisible(t)){var e=this.prop.contentId;this.prop.visible=!1,this.prop.contentId=void 0,this.content.innerHTML=null,this.container.classList.remove("psv-panel--open"),this.prop.clickHandler&&(this.content.removeEventListener("click",this.prop.clickHandler),this.prop.clickHandler=null),this.psv.trigger(f.CLOSE_PANEL,e)}},o.__onMouseDown=function(t){t.stopPropagation(),this.__startResize(t)},o.__onTouchStart=function(t){t.stopPropagation(),this.__startResize(t.changedTouches[0])},o.__onMouseUp=function(t){this.prop.mousedown&&(t.stopPropagation(),this.prop.mousedown=!1,this.content.classList.remove("psv-panel-content--no-interaction"))},o.__onMouseMove=function(t){this.prop.mousedown&&(t.stopPropagation(),this.__resize(t))},o.__onTouchMove=function(t){this.prop.mousedown&&this.__resize(t.touches[0])},o.__startResize=function(t){this.prop.mouseX=t.clientX,this.prop.mouseY=t.clientY,this.prop.mousedown=!0,this.content.classList.add("psv-panel-content--no-interaction")},o.__resize=function(t){var e=t.clientX,o=t.clientY,i=Math.max(200,this.container.offsetWidth-(e-this.prop.mouseX))+"px";this.prop.contentId&&(this.prop.width[this.prop.contentId]=i),this.container.style.width=i,this.prop.mouseX=e,this.prop.mouseY=o},e}(gt),$t=function(){function t(t){this.psv=t,this.config=t.config,this.prop=t.prop}return t.prototype.destroy=function(){delete this.psv,delete this.config,delete this.prop},t}(),Jt=new e.Vector2,te=new e.Vector3,ee=new e.Euler(0,0,0,"ZXY"),oe=function(t){function o(e){return t.call(this,e)||this}c(o,t);var n=o.prototype;return n.fovToZoomLevel=function(t){var e=Math.round((t-this.config.minFov)/(this.config.maxFov-this.config.minFov)*100);return e-2*(e-50)},n.zoomLevelToFov=function(t){return this.config.maxFov+t/100*(this.config.minFov-this.config.maxFov)},n.vFovToHFov=function(t){return e.MathUtils.radToDeg(2*Math.atan(Math.tan(e.MathUtils.degToRad(t)/2)*this.prop.aspect))},n.speedToDuration=function(t,e){if(t&&"number"==typeof t)return Math.abs(t);var o=t?st(t):this.config.autorotateSpeed;return e/Math.abs(o)*1e3},n.textureCoordsToSphericalCoords=function(t){var e=this.prop.panoData;if(!e)throw new i("Current adapter does not support texture coordinates.");var o=(t.x+e.croppedX)/e.fullWidth*Math.PI*2,n=(t.y+e.croppedY)/e.fullHeight*Math.PI,r={longitude:o>=Math.PI?o-Math.PI:o+Math.PI,latitude:Math.PI/2-n};return ee.equals(this.psv.renderer.mesh.rotation)&&ee.equals(this.psv.renderer.meshContainer.rotation)?r:(this.sphericalCoordsToVector3(r,te),te.applyEuler(this.psv.renderer.mesh.rotation),te.applyEuler(this.psv.renderer.meshContainer.rotation),this.vector3ToSphericalCoords(te))},n.sphericalCoordsToTextureCoords=function(t){var e=this.prop.panoData;if(!e)throw new i("Current adapter does not support texture coordinates.");ee.equals(this.psv.renderer.mesh.rotation)&&ee.equals(this.psv.renderer.meshContainer.rotation)||(this.sphericalCoordsToVector3(t,te),lt(te,this.psv.renderer.meshContainer.rotation),lt(te,this.psv.renderer.mesh.rotation),t=this.vector3ToSphericalCoords(te));var o=t.longitude/Math.PI/2*e.fullWidth,n=t.latitude/Math.PI*e.fullHeight;return{x:Math.round(t.longitude<Math.PI?o+e.fullWidth/2:o-e.fullWidth/2)-e.croppedX,y:Math.round(e.fullHeight/2-n)-e.croppedY}},n.sphericalCoordsToVector3=function(t,o){return o||(o=new e.Vector3),o.x=p*-Math.cos(t.latitude)*Math.sin(t.longitude),o.y=p*Math.sin(t.latitude),o.z=p*Math.cos(t.latitude)*Math.cos(t.longitude),o},n.vector3ToSphericalCoords=function(t){var e=Math.acos(t.y/Math.sqrt(t.x*t.x+t.y*t.y+t.z*t.z)),o=Math.atan2(t.x,t.z);return{longitude:o<0?-o:2*Math.PI-o,latitude:Math.PI/2-e}},n.viewerCoordsToVector3=function(t){var e=this.getIntersections(t).filter((function(t){return t.object.userData.psvSphere}));return e.length?e[0].point:null},n.vector3ToViewerCoords=function(t){var e=t.clone();return e.project(this.psv.renderer.camera),{x:Math.round((e.x+1)/2*this.prop.size.width),y:Math.round((1-e.y)/2*this.prop.size.height)}},n.sphericalCoordsToViewerCoords=function(t){return this.vector3ToViewerCoords(this.sphericalCoordsToVector3(t,te))},n.getIntersections=function(t){return Jt.x=2*t.x/this.prop.size.width-1,Jt.y=-2*t.y/this.prop.size.height+1,this.psv.renderer.raycaster.setFromCamera(Jt,this.psv.renderer.camera),this.psv.renderer.raycaster.intersectObjects(this.psv.renderer.scene.children,!0).filter((function(t){return!!t.object.userData}))},n.cleanPosition=function(t){return void 0!==t.x&&void 0!==t.y?this.textureCoordsToSphericalCoords(t):{longitude:at(t.longitude),latitude:at(t.latitude,!this.prop.littlePlanet)}},n.cleanSphereCorrection=function(t){return{pan:at((null==t?void 0:t.pan)||0),tilt:at((null==t?void 0:t.tilt)||0,!0),roll:at((null==t?void 0:t.roll)||0,!0,!1)}},n.cleanPanoramaPose=function(t){return{pan:e.MathUtils.degToRad((null==t?void 0:t.poseHeading)||0),tilt:e.MathUtils.degToRad((null==t?void 0:t.posePitch)||0),roll:e.MathUtils.degToRad((null==t?void 0:t.poseRoll)||0)}},o}($t),ie=function(t){function o(e){var o;return(o=t.call(this,e)||this).state={moveThreshold:4*b.pixelRatio,keyboardEnabled:!1,moving:!1,zooming:!1,startMouseX:0,startMouseY:0,mouseX:0,mouseY:0,mouseHistory:[],pinchDist:0,keyHandler:new Lt,ctrlKeyDown:!1,dblclickData:null,dblclickTimeout:null,longtouchTimeout:null,twofingersTimeout:null,ctrlZoomTimeout:null},o.__onResize=F((function(){return o.psv.autoSize()}),50),o}c(o,t);var i=o.prototype;return i.init=function(){window.addEventListener("resize",this),window.addEventListener("keydown",this),window.addEventListener("keyup",this),this.psv.container.addEventListener("mouseenter",this),this.psv.container.addEventListener("mousedown",this),this.psv.container.addEventListener("mouseleave",this),this.psv.container.addEventListener("mousemove",this),window.addEventListener("mouseup",this),this.psv.container.addEventListener("touchstart",this),this.psv.container.addEventListener("touchmove",this),window.addEventListener("touchend",this),this.psv.container.addEventListener(b.mouseWheelEvent,this),b.fullscreenEvent&&document.addEventListener(b.fullscreenEvent,this)},i.destroy=function(){window.removeEventListener("resize",this),window.removeEventListener("keydown",this),window.removeEventListener("keyup",this),this.psv.container.removeEventListener("mouseenter",this),this.psv.container.removeEventListener("mousedown",this),this.psv.container.removeEventListener("mouseleave",this),this.psv.container.removeEventListener("mousemove",this),window.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchstart",this),this.psv.container.removeEventListener("touchmove",this),window.removeEventListener("touchend",this),this.psv.container.removeEventListener(b.mouseWheelEvent,this),b.fullscreenEvent&&document.removeEventListener(b.fullscreenEvent,this),clearTimeout(this.state.dblclickTimeout),clearTimeout(this.state.longtouchTimeout),clearTimeout(this.state.twofingersTimeout),clearTimeout(this.state.ctrlZoomTimeout),delete this.state,t.prototype.destroy.call(this)},i.handleEvent=function(t){switch(t.type){case"resize":this.__onResize();break;case"keydown":this.__onKeyDown(t);break;case"keyup":this.__onKeyUp();break;case"mouseup":this.__onMouseUp(t);break;case"touchend":this.__onTouchEnd(t);break;case b.fullscreenEvent:this.__fullscreenToggled()}if(!C(t.target,".psv--capture-event"))switch(t.type){case"mousedown":this.__onMouseDown(t);break;case"mouseenter":this.__onMouseEnter(t);break;case"mouseleave":this.__onMouseLeave(t);break;case"mousemove":this.__onMouseMove(t);break;case"touchstart":this.__onTouchStart(t);break;case"touchmove":this.__onTouchMove(t);break;case b.mouseWheelEvent:this.__onMouseWheel(t)}},i.enableKeyboard=function(){this.state.keyboardEnabled=!0},i.disableKeyboard=function(){this.state.keyboardEnabled=!1},i.__onKeyDown=function(t){if(this.config.mousewheelCtrlKey&&(this.state.ctrlKeyDown=t.key===y.Control,this.state.ctrlKeyDown&&(clearTimeout(this.state.ctrlZoomTimeout),this.psv.overlay.hide(_.CTRL_ZOOM))),!this.psv.trigger(f.KEY_PRESS,t.key).isDefaultPrevented()&&this.state.keyboardEnabled){var e=this.config.keyboard[t.key];if(e===v.TOGGLE_AUTOROTATE)this.psv.toggleAutorotate();else if(e&&!this.state.keyHandler.time){switch(e!==v.ZOOM_IN&&e!==v.ZOOM_OUT&&this.psv.__stopAll(),e){case v.ROTATE_LAT_UP:this.psv.dynamics.position.roll({latitude:!1});break;case v.ROTATE_LAT_DOWN:this.psv.dynamics.position.roll({latitude:!0});break;case v.ROTATE_LONG_RIGHT:this.psv.dynamics.position.roll({longitude:!1});break;case v.ROTATE_LONG_LEFT:this.psv.dynamics.position.roll({longitude:!0});break;case v.ZOOM_IN:this.psv.dynamics.zoom.roll(!1);break;case v.ZOOM_OUT:this.psv.dynamics.zoom.roll(!0)}this.state.keyHandler.down()}}},i.__onKeyUp=function(){var t=this;this.state.ctrlKeyDown=!1,this.state.keyboardEnabled&&this.state.keyHandler.up((function(){t.psv.dynamics.position.stop(),t.psv.dynamics.zoom.stop(),t.psv.resetIdleTimer()}))},i.__onMouseDown=function(t){this.config.mousemove&&!this.config.captureCursor&&this.__startMove(t)},i.__onMouseEnter=function(t){this.config.mousemove&&this.config.captureCursor&&this.__startMove(t)},i.__onMouseUp=function(t){this.config.mousemove&&!this.config.captureCursor&&this.__stopMove(t)},i.__onMouseLeave=function(t){this.config.mousemove&&this.config.captureCursor&&this.__stopMove(t)},i.__onMouseMove=function(t){if(this.config.mousemove&&(0!==t.buttons?(t.preventDefault(),this.__move(t)):this.config.captureCursor&&this.__moveAbsolute(t)),!j(this.prop.objectsObservers)){var e=P(this.psv.container),o={x:t.clientX-e.left,y:t.clientY-e.top},i=this.psv.dataHelper.getIntersections(o),n=function(e,i,n){e.listener.handleEvent(new CustomEvent(n,{detail:{originalEvent:t,object:e.object,data:e.object.userData[i],viewerPoint:o}}))};Z(this.prop.objectsObservers,(function(t,e){var o=i.find((function(t){return t.object.userData[e]}));o?(t.object&&o.object!==t.object&&(n(t,e,g.LEAVE_OBJECT),delete t.object),t.object?n(t,e,g.HOVER_OBJECT):(t.object=o.object,n(t,e,g.ENTER_OBJECT))):t.object&&(n(t,e,g.LEAVE_OBJECT),delete t.object)}))}},i.__onTouchStart=function(t){var e=this;this.config.mousemove&&(1===t.touches.length?(this.config.touchmoveTwoFingers||(this.__startMove(t.touches[0]),t.preventDefault()),this.prop.longtouchTimeout||(this.prop.longtouchTimeout=setTimeout((function(){e.__click(t.touches[0],!0),e.prop.longtouchTimeout=null}),500))):2===t.touches.length&&(this.__cancelLongTouch(),this.__cancelTwoFingersOverlay(),this.__startMoveZoom(t),t.preventDefault()))},i.__onTouchEnd=function(t){this.config.mousemove&&(this.__cancelLongTouch(),this.__cancelTwoFingersOverlay(),1===t.touches.length?this.__stopMoveZoom():0===t.touches.length&&this.__stopMove(t.changedTouches[0]))},i.__onTouchMove=function(t){var e=this;this.config.mousemove&&(this.__cancelLongTouch(),1===t.touches.length?this.config.touchmoveTwoFingers?this.prop.twofingersTimeout||(this.prop.twofingersTimeout=setTimeout((function(){e.psv.overlay.show({id:_.TWO_FINGERS,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="currentColor" d="M33.38 33.2a1.96 1.96 0 0 0 1.5-3.23 10.61 10.61 0 0 1 7.18-17.51c.7-.06 1.31-.49 1.61-1.12a13.02 13.02 0 0 1 11.74-7.43c7.14 0 12.96 5.8 12.96 12.9 0 3.07-1.1 6.05-3.1 8.38-.7.82-.61 2.05.21 2.76.83.7 2.07.6 2.78-.22a16.77 16.77 0 0 0 4.04-10.91C72.3 7.54 64.72 0 55.4 0a16.98 16.98 0 0 0-14.79 8.7 14.6 14.6 0 0 0-12.23 14.36c0 3.46 1.25 6.82 3.5 9.45.4.45.94.69 1.5.69m45.74 43.55a22.13 22.13 0 0 1-5.23 12.4c-4 4.55-9.53 6.86-16.42 6.86-12.6 0-20.1-10.8-20.17-10.91a1.82 1.82 0 0 0-.08-.1c-5.3-6.83-14.55-23.82-17.27-28.87-.05-.1 0-.21.02-.23a6.3 6.3 0 0 1 8.24 1.85l9.38 12.59a1.97 1.97 0 0 0 3.54-1.17V25.34a4 4 0 0 1 1.19-2.87 3.32 3.32 0 0 1 2.4-.95c1.88.05 3.4 1.82 3.4 3.94v24.32a1.96 1.96 0 0 0 3.93 0v-33.1a3.5 3.5 0 0 1 7 0v35.39a1.96 1.96 0 0 0 3.93 0v-.44c.05-2.05 1.6-3.7 3.49-3.7 1.93 0 3.5 1.7 3.5 3.82v5.63c0 .24.04.48.13.71l.1.26a1.97 1.97 0 0 0 3.76-.37c.33-1.78 1.77-3.07 3.43-3.07 1.9 0 3.45 1.67 3.5 3.74l-1.77 18.1zM77.39 51c-1.25 0-2.45.32-3.5.9v-.15c0-4.27-3.33-7.74-7.42-7.74-1.26 0-2.45.33-3.5.9V16.69a7.42 7.42 0 0 0-14.85 0v1.86a7 7 0 0 0-3.28-.94 7.21 7.21 0 0 0-5.26 2.07 7.92 7.92 0 0 0-2.38 5.67v37.9l-5.83-7.82a10.2 10.2 0 0 0-13.35-2.92 4.1 4.1 0 0 0-1.53 5.48C20 64.52 28.74 80.45 34.07 87.34c.72 1.04 9.02 12.59 23.4 12.59 7.96 0 14.66-2.84 19.38-8.2a26.06 26.06 0 0 0 6.18-14.6l1.78-18.2v-.2c0-4.26-3.32-7.73-7.42-7.73z"/>\x3c!--Created by AomAm from the Noun Project--\x3e</svg>\n',text:e.config.lang.twoFingers})}),100)):(t.preventDefault(),this.__move(t.touches[0])):2===t.touches.length&&(t.preventDefault(),this.__moveZoom(t),this.__cancelTwoFingersOverlay()))},i.__cancelLongTouch=function(){this.prop.longtouchTimeout&&(clearTimeout(this.prop.longtouchTimeout),this.prop.longtouchTimeout=null)},i.__cancelTwoFingersOverlay=function(){this.prop.twofingersTimeout&&(clearTimeout(this.prop.twofingersTimeout),this.prop.twofingersTimeout=null),this.psv.overlay.hide(_.TWO_FINGERS)},i.__onMouseWheel=function(t){var e=this;if(this.config.mousewheel){if(this.config.mousewheelCtrlKey&&!this.state.ctrlKeyDown)return this.psv.overlay.show({id:_.CTRL_ZOOM,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="10 17 79 79"><path fill="currentColor" d="M38.1 29.27c-.24 0-.44.2-.44.45v10.7a.45.45 0 00.9 0v-10.7c0-.25-.2-.45-.45-.45zm10.2 26.66a11.54 11.54 0 01-8.48-6.14.45.45 0 10-.8.41 12.45 12.45 0 009.22 6.62.45.45 0 00.07-.9zm24.55-13.08a23.04 23.04 0 00-22.56-23v7.07l-.01.05a2.83 2.83 0 012.39 2.78v14.03l.09-.02h8.84v-9.22a.45.45 0 11.9 0v9.22h10.35v-.9zm0 27.33V44.66H62.5c-.02 2.01-.52 4-1.47 5.76a.45.45 0 01-.61.18.45.45 0 01-.19-.61 11.54 11.54 0 001.36-5.33h-8.83l-.1-.01a2.83 2.83 0 01-2.83 2.84h-.04-.04a2.83 2.83 0 01-2.83-2.83v-14.9a2.82 2.82 0 012.47-2.8v-7.11a23.04 23.04 0 00-22.57 23v.91h14.72V29.88a8.2 8.2 0 015.02-7.57c.22-.1.5.01.59.24.1.23-.01.5-.24.6a7.3 7.3 0 00-4.47 6.73v13.88h3.9a.45.45 0 110 .9h-3.9v.15a7.32 7.32 0 0011.23 6.17.45.45 0 01.49.76 8.22 8.22 0 01-12.62-6.93v-.15H26.82v25.52a23.04 23.04 0 0023.01 23.01 23.04 23.04 0 0023.02-23.01zm1.8-27.33v27.33A24.85 24.85 0 0149.84 95a24.85 24.85 0 01-24.82-24.82V42.85a24.85 24.85 0 0124.82-24.82 24.85 24.85 0 0124.83 24.82zM57.98 29.88v9.36a.45.45 0 11-.9 0v-9.36a7.28 7.28 0 00-3.4-6.17.45.45 0 01.49-.76 8.18 8.18 0 013.8 6.93z"/>\x3c!-- Created by Icon Island from the Noun Project --\x3e</svg>\n',text:this.config.lang.ctrlZoom}),clearTimeout(this.state.ctrlZoomTimeout),void(this.state.ctrlZoomTimeout=setTimeout((function(){return e.psv.overlay.hide(_.CTRL_ZOOM)}),2e3));t.preventDefault(),t.stopPropagation();var o=5*k(t).spinY*this.config.zoomSpeed;0!==o&&this.psv.dynamics.zoom.step(-o,5)}},i.__fullscreenToggled=function(t){this.prop.fullscreen=void 0!==t?t:A(this.psv.container),this.config.keyboard&&(this.prop.fullscreen?this.psv.startKeyboardControl():this.psv.stopKeyboardControl()),this.psv.trigger(f.FULLSCREEN_UPDATED,this.prop.fullscreen)},i.__startMove=function(t){var e=this;this.psv.__stopAll().then((function(){e.state.mouseX=t.clientX,e.state.mouseY=t.clientY,e.state.startMouseX=e.state.mouseX,e.state.startMouseY=e.state.mouseY,e.state.moving=!0,e.state.zooming=!1,e.state.mouseHistory.length=0,e.__logMouseMove(t)}))},i.__startMoveZoom=function(t){var e=this;this.psv.__stopAll().then((function(){var o={x:t.touches[0].clientX,y:t.touches[0].clientY},i={x:t.touches[1].clientX,y:t.touches[1].clientY};e.state.pinchDist=N(o,i),e.state.mouseX=(o.x+i.x)/2,e.state.mouseY=(o.y+i.y)/2,e.state.startMouseX=e.state.mouseX,e.state.startMouseY=e.state.mouseY,e.state.moving=!0,e.state.zooming=!0}))},i.__stopMove=function(t){if(this.psv.resetIdleTimer(),!C(t.target,".psv-container"))return this.state.moving=!1,void(this.state.mouseHistory.length=0);this.state.moving&&(Math.abs(t.clientX-this.state.startMouseX)<this.state.moveThreshold&&Math.abs(t.clientY-this.state.startMouseY)<this.state.moveThreshold?(this.__click(t),this.state.moving=!1):this.config.moveInertia?(this.__logMouseMove(t),this.__stopMoveInertia(t)):this.state.moving=!1,this.state.mouseHistory.length=0)},i.__stopMoveZoom=function(){this.psv.resetIdleTimer(),this.state.mouseHistory.length=0,this.state.moving=!1,this.state.zooming=!1},i.__stopMoveInertia=function(t){var o=this,i=new e.SplineCurve(this.state.mouseHistory.map((function(t){var o=t[1],i=t[2];return new e.Vector2(o,i)}))).getTangent(1),n=this.state.mouseHistory.slice(1).reduce((function(t,e){var o=t.total,i=t.prev;return{total:o+Math.sqrt(Math.pow(e[1]-i[1],2)+Math.pow(e[2]-i[2],2))/(e[0]-[i[0]]),prev:e}}),{total:0,prev:this.state.mouseHistory[0]}).total/this.state.mouseHistory.length,r={clientX:t.clientX,clientY:t.clientY};this.prop.animationPromise=new pt({properties:{speed:{start:n,end:0}},duration:1e3,easing:"outQuad",onTick:function(t){r.clientX+=t.speed*i.x*3*b.pixelRatio,r.clientY+=t.speed*i.y*3*b.pixelRatio,o.__move(r,!1)}}),this.prop.animationPromise.then((function(){o.state.moving=!1}))},i.__click=function(t,e){var o=this;void 0===e&&(e=!1);var i=this.psv.container.getBoundingClientRect(),n={rightclick:e||2===t.button,target:t.target,clientX:t.clientX,clientY:t.clientY,viewerX:t.clientX-i.left,viewerY:t.clientY-i.top},r=this.psv.dataHelper.getIntersections({x:n.viewerX,y:n.viewerY}),s=r.find((function(t){return t.object.userData.psvSphere}));if(s){var a=this.psv.dataHelper.vector3ToSphericalCoords(s.point);n.longitude=a.longitude,n.latitude=a.latitude,n.objects=r.map((function(t){return t.object})).filter((function(t){return!t.userData.psvSphere}));try{var c=this.psv.dataHelper.sphericalCoordsToTextureCoords(n);n.textureX=c.x,n.textureY=c.y}catch(t){n.textureX=NaN,n.textureY=NaN}this.state.dblclickTimeout?(Math.abs(this.state.dblclickData.clientX-n.clientX)<this.state.moveThreshold&&Math.abs(this.state.dblclickData.clientY-n.clientY)<this.state.moveThreshold&&this.psv.trigger(f.DOUBLE_CLICK,this.state.dblclickData),clearTimeout(this.state.dblclickTimeout),this.state.dblclickTimeout=null,this.state.dblclickData=null):(this.psv.trigger(f.CLICK,n),this.state.dblclickData=Y(n),this.state.dblclickTimeout=setTimeout((function(){o.state.dblclickTimeout=null,o.state.dblclickData=null}),300))}},i.__move=function(t,o){if(this.state.moving){var i=t.clientX,n=t.clientY,r={longitude:(i-this.state.mouseX)/this.prop.size.width*this.config.moveSpeed*e.MathUtils.degToRad(this.prop.hFov),latitude:(n-this.state.mouseY)/this.prop.size.height*this.config.moveSpeed*e.MathUtils.degToRad(this.prop.vFov)},s=this.psv.getPosition();this.psv.rotate({longitude:s.longitude-r.longitude,latitude:s.latitude+r.latitude}),this.state.mouseX=i,this.state.mouseY=n,!1!==o&&this.__logMouseMove(t)}},i.__moveAbsolute=function(t){if(this.state.moving){var e=this.psv.container.getBoundingClientRect();this.psv.dynamics.position.goto({longitude:((t.clientX-e.left)/e.width-.5)*Math.PI*2,latitude:-((t.clientY-e.top)/e.height-.5)*Math.PI},10)}},i.__moveZoom=function(t){if(this.state.zooming&&this.state.moving){var e={x:t.touches[0].clientX,y:t.touches[0].clientY},o={x:t.touches[1].clientX,y:t.touches[1].clientY},i=N(e,o),n=80*(i-this.state.pinchDist)/this.prop.size.width*this.config.zoomSpeed;this.psv.zoom(this.psv.getZoomLevel()+n),this.__move({clientX:(e.x+o.x)/2,clientY:(e.y+o.y)/2}),this.state.pinchDist=i}},i.__logMouseMove=function(t){var e=Date.now(),o=this.state.mouseHistory.length?this.state.mouseHistory[this.state.mouseHistory.length-1]:[0,-1,-1];o[1]===t.clientX&&o[2]===t.clientY?o[0]=e:e===o[0]?(o[1]=t.clientX,o[2]=t.clientY):this.state.mouseHistory.push([e,t.clientX,t.clientY]);for(var i=null,n=0;n<this.state.mouseHistory.length;)this.state.mouseHistory[n][0]<e-300?this.state.mouseHistory.splice(n,1):i&&this.state.mouseHistory[n][0]-i>30?(this.state.mouseHistory.splice(0,n),n=0,i=this.state.mouseHistory[n][0]):(i=this.state.mouseHistory[n][0],n++)},o}($t),ne=function(t){function o(o){var i,n;return(n=t.call(this,o)||this).renderer=new e.WebGLRenderer({alpha:!0,antialias:!0}),n.renderer.setPixelRatio(b.pixelRatio),n.renderer.domElement.className="psv-canvas",n.scene=new e.Scene,n.camera=new e.PerspectiveCamera(50,16/9,1,20),n.mesh=n.psv.adapter.createMesh(),n.mesh.userData=((i={}).psvSphere=!0,i),n.meshContainer=new e.Group,n.meshContainer.add(n.mesh),n.scene.add(n.meshContainer),n.raycaster=new e.Raycaster,n.timestamp=null,n.ready=!1,n.canvasContainer=document.createElement("div"),n.canvasContainer.className="psv-canvas-container",n.canvasContainer.style.background=n.psv.config.canvasBackground,n.canvasContainer.style.cursor=n.psv.config.mousemove?"move":"default",n.canvasContainer.appendChild(n.renderer.domElement),n.psv.container.appendChild(n.canvasContainer),o.on(f.SIZE_UPDATED,l(n)),o.on(f.ZOOM_UPDATED,l(n)),o.on(f.POSITION_UPDATED,l(n)),o.on(f.CONFIG_CHANGED,l(n)),n.hide(),n}c(o,t);var i=o.prototype;return i.destroy=function(){this.renderer.setAnimationLoop(null),this.__cleanTHREEScene(this.scene),this.psv.container.removeChild(this.canvasContainer),delete this.canvasContainer,delete this.renderer,delete this.scene,delete this.camera,delete this.mesh,delete this.meshContainer,delete this.raycaster,t.prototype.destroy.call(this)},i.handleEvent=function(t){switch(t.type){case f.SIZE_UPDATED:this.__onSizeUpdated();break;case f.ZOOM_UPDATED:this.__onZoomUpdated();break;case f.POSITION_UPDATED:this.__onPositionUpdated();break;case f.CONFIG_CHANGED:t.args[0].includes("fisheye")&&this.__onPositionUpdated(),t.args[0].includes("mousemove")&&(this.canvasContainer.style.cursor=this.psv.config.mousemove?"move":"default")}},i.hide=function(){this.canvasContainer.style.opacity=0},i.show=function(){this.canvasContainer.style.opacity=1},i.__onSizeUpdated=function(){this.renderer.setSize(this.prop.size.width,this.prop.size.height),this.camera.aspect=this.prop.aspect,this.camera.updateProjectionMatrix(),this.prop.needsUpdate=!0},i.__onZoomUpdated=function(){this.camera.fov=this.prop.vFov,this.camera.updateProjectionMatrix(),this.prop.needsUpdate=!0},i.__onPositionUpdated=function(){this.camera.position.set(0,0,0),this.camera.lookAt(this.prop.direction),this.config.fisheye&&this.camera.position.copy(this.prop.direction).multiplyScalar(this.config.fisheye/2).negate(),this.prop.needsUpdate=!0},i.__renderLoop=function(t){var e=null!==this.timestamp?t-this.timestamp:0;this.timestamp=t,this.psv.trigger(f.BEFORE_RENDER,t,e),Z(this.psv.dynamics,(function(t){return t.update(e)})),this.prop.idleTime>0&&t-this.prop.idleTime>this.config.autorotateDelay&&this.psv.startAutorotate(),this.prop.needsUpdate&&(this.render(),this.prop.needsUpdate=!1)},i.render=function(){this.renderer.render(this.scene,this.camera),this.psv.trigger(f.RENDER)},i.setTexture=function(t){var e=this;this.prop.panoData=t.panoData,this.psv.adapter.setTexture(this.mesh,t),this.ready||(this.renderer.setAnimationLoop((function(t){return e.__renderLoop(t)})),this.ready=!0),this.psv.needsUpdate(),this.psv.trigger(f.PANORAMA_LOADED,t)},i.setOverlay=function(t,e){this.psv.adapter.setOverlay(this.mesh,t,e),this.psv.needsUpdate()},i.setPanoramaPose=function(t,e){void 0===e&&(e=this.mesh);var o=this.psv.dataHelper.cleanPanoramaPose(t);e.rotation.set(-o.tilt,-o.pan,-o.roll,"ZXY")},i.setSphereCorrection=function(t,e){void 0===e&&(e=this.meshContainer);var o=this.psv.dataHelper.cleanSphereCorrection(t);e.rotation.set(o.tilt,o.pan,o.roll,"ZXY")},i.transition=function(t,o){var i=this,n=J(o),r="zoom"in o,s=new e.Group,a=this.psv.adapter.createMesh(.5);if(this.psv.adapter.setTexture(a,t,!0),this.psv.adapter.setTextureOpacity(a,0),this.setPanoramaPose(t.panoData,a),this.setSphereCorrection(o.sphereCorrection,s),n){var c=this.psv.dataHelper.cleanPosition(o),h=this.psv.getPosition(),l=new e.Vector3(0,1,0);s.rotateOnWorldAxis(l,c.longitude-h.longitude);var p=new e.Vector3(0,1,0).cross(this.camera.getWorldDirection(new e.Vector3)).normalize();s.rotateOnWorldAxis(p,c.latitude-h.latitude)}s.add(a),this.scene.add(s);var u=new pt({properties:{opacity:{start:0,end:1},zoom:r?{start:this.psv.getZoomLevel(),end:o.zoom}:void 0},duration:o.transition,easing:"outCubic",onTick:function(t){i.psv.adapter.setTextureOpacity(a,t.opacity),i.psv.adapter.setTextureOpacity(i.mesh,1-t.opacity),r&&i.psv.zoom(t.zoom),i.psv.needsUpdate()}});return u.then((function(e){e?(i.setTexture(t),i.psv.adapter.setTextureOpacity(i.mesh,1),i.setPanoramaPose(t.panoData),i.setSphereCorrection(o.sphereCorrection),n&&i.psv.rotate(o)):i.psv.adapter.disposeTexture(t),i.scene.remove(s),a.geometry.dispose(),a.geometry=null})),u},i.__cleanTHREEScene=function(t){var o=this;t.traverse((function(i){i.geometry&&i.geometry.dispose(),i.material&&(Array.isArray(i.material)?i.material.forEach((function(t){t.map&&t.map.dispose(),t.dispose()})):(i.material.map&&i.material.map.dispose(),i.material.dispose())),!i.dispose||i instanceof e.Scene||i.dispose(),i!==t&&o.__cleanTHREEScene(i)}))},o}($t),re=function(t){function o(o){var i;return(i=t.call(this,o)||this).loader=new e.FileLoader,i.loader.setResponseType("blob"),i.config.withCredentials&&i.loader.setWithCredentials(!0),i.config.requestHeaders&&"object"==typeof i.config.requestHeaders&&i.loader.setRequestHeader(i.config.requestHeaders),i}c(o,t);var i=o.prototype;return i.destroy=function(){this.abortLoading(),t.prototype.destroy.call(this)},i.loadTexture=function(t,e){return this.psv.adapter.loadTexture(t,e)},i.abortLoading=function(){},i.loadFile=function(t,e){var o=this;return this.config.requestHeaders&&"function"==typeof this.config.requestHeaders&&this.loader.setRequestHeader(this.config.requestHeaders(t)),new Promise((function(i,n){var r=0;e&&e(r),o.loader.load(t,(function(t){r=100,e&&e(r),i(t)}),(function(t){if(t.lengthComputable){var o=t.loaded/t.total*100;o>r&&(r=o,e&&e(r))}}),(function(t){n(t)}))}))},i.loadImage=function(t,e){return this.loadFile(t,e).then((function(t){return new Promise((function(e,o){var i=document.createElementNS("http://www.w3.org/1999/xhtml","img");i.onload=function(){URL.revokeObjectURL(i.src),e(i)},i.onerror=o,i.src=URL.createObjectURL(t)}))}))},i.preloadPanorama=function(t){return this.psv.adapter.supportsPreload(t)?this.psv.adapter.loadTexture(t):Promise.resolve()},o}($t),se=0,ae=1,ce=2,he=3,le=function(t){function e(e,o){var i;return(i=t.call(this,e,"psv-tooltip")||this).prop=a({},i.prop,o,{state:se,width:0,height:0,pos:"",config:null,data:null}),i.content=document.createElement("div"),i.content.className="psv-tooltip-content",i.container.appendChild(i.content),i.arrow=document.createElement("div"),i.arrow.className="psv-tooltip-arrow",i.container.appendChild(i.arrow),i.container.addEventListener("transitionend",l(i)),i.container.style.top="-1000px",i.container.style.left="-1000px",i}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.arrow,delete this.content,t.prototype.destroy.call(this)},o.handleEvent=function(t){if("transitionend"===t.type)this.__onTransitionEnd(t)},o.toggle=function(){throw new i("Tooltip cannot be toggled")},o.show=function(t){if(this.prop.state!==se)throw new i("Initialized tooltip cannot be re-initialized");t.className&&x(this.container,t.className),this.content.innerHTML=t.content;var e=this.container.getBoundingClientRect();this.prop.width=e.right-e.left,this.prop.height=e.bottom-e.top,this.prop.state=he,this.move(t),this.prop.data=t.data,this.prop.state=ae,this.psv.trigger(f.SHOW_TOOLTIP,this.prop.data,this),this.__waitImages()},o.move=function(t){if(this.prop.state!==ae&&this.prop.state!==he)throw new i("Uninitialized tooltip cannot be moved");this.config=t;var e=this.container,o=this.arrow,n={posClass:t.position?rt(t.position,!1):["top","center"],width:this.prop.width,height:this.prop.height,top:0,left:0,arrowTop:0,arrowLeft:0};this.__computeTooltipPosition(n,t);var r=!1;n.top<this.prop.offset?(n.posClass[0]="bottom",r=!0):n.top+n.height>this.psv.prop.size.height-this.prop.offset&&(n.posClass[0]="top",r=!0),n.left<this.prop.offset?(n.posClass[1]="right",r=!0):n.left+n.width>this.psv.prop.size.width-this.prop.offset&&(n.posClass[1]="left",r=!0),r&&this.__computeTooltipPosition(n,t),e.style.top=n.top+"px",e.style.left=n.left+"px",o.style.top=n.arrowTop+"px",o.style.left=n.arrowLeft+"px";var s=n.posClass.join("-");s!==this.prop.pos&&(e.classList.remove("psv-tooltip--"+this.prop.pos),this.prop.pos=s,e.classList.add("psv-tooltip--"+this.prop.pos))},o.hide=function(){this.container.classList.remove("psv-tooltip--visible"),this.prop.state=ce,this.psv.trigger(f.HIDE_TOOLTIP,this.prop.data)},o.__onTransitionEnd=function(t){if("transform"===t.propertyName)switch(this.prop.state){case ae:this.container.classList.add("psv-tooltip--visible"),this.prop.state=he;break;case ce:this.prop.state=se,this.destroy()}},o.__computeTooltipPosition=function(t,e){var o=!1;switch(e.box||(e.box={width:0,height:0}),t.posClass[0]){case"bottom":t.top=e.top+e.box.height+this.prop.offset+this.prop.arrow,t.arrowTop=2*-this.prop.arrow,o=!0;break;case"center":t.top=e.top+e.box.height/2-t.height/2,t.arrowTop=t.height/2-this.prop.arrow;break;case"top":t.top=e.top-t.height-this.prop.offset-this.prop.arrow,t.arrowTop=t.height,o=!0}switch(t.posClass[1]){case"right":o?(t.left=e.left+e.box.width/2-this.prop.offset-this.prop.arrow,t.arrowLeft=this.prop.offset):(t.left=e.left+e.box.width+this.prop.offset+this.prop.arrow,t.arrowLeft=2*-this.prop.arrow);break;case"center":t.left=e.left+e.box.width/2-t.width/2,t.arrowLeft=t.width/2-this.prop.arrow;break;case"left":o?(t.left=e.left-t.width+e.box.width/2+this.prop.offset+this.prop.arrow,t.arrowLeft=t.width-this.prop.offset-2*this.prop.arrow):(t.left=e.left-t.width-this.prop.offset-this.prop.arrow,t.arrowLeft=t.width)}},o.__waitImages=function(){var t=this,e=this.content.querySelectorAll("img");if(e.length>0){var o=[];e.forEach((function(t){o.push(new Promise((function(e){t.onload=e,t.onerror=e})))})),Promise.all(o).then((function(){if(t.prop.state===ae||t.prop.state===he){var e=t.container.getBoundingClientRect();t.prop.width=e.right-e.left,t.prop.height=e.bottom-e.top,t.move(t.config)}}))}},e}(gt),pe=function(t){function e(e){var o;o=t.call(this,e)||this;var i=new le(o.psv);return o.size={arrow:parseInt(R(i.arrow,"borderTopWidth"),10),offset:parseInt(R(i.container,"outlineWidth"),10)},i.destroy(),o}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.size,t.prototype.destroy.call(this)},o.create=function(t){var e=new le(this.psv,this.size);return e.show(t),e},e}($t);e.Cache.enabled=!0;var ue=function(t){function o(o){var n;if(n=t.call(this)||this,b.load(),!b.isWebGLSupported)throw new i("WebGL is not supported.");if(0===b.maxTextureWidth)throw new i("Unable to detect system capabilities");return n.prop={ready:!1,uiRefresh:!1,needsUpdate:!1,fullscreen:!1,direction:new e.Vector3(0,0,p),vFov:null,hFov:null,aspect:null,autorotateEnabled:!1,animationPromise:null,loadingPromise:null,littlePlanet:!1,idleTime:-1,objectsObservers:{},size:{width:0,height:0},panoData:{fullWidth:0,fullHeight:0,croppedWidth:0,croppedHeight:0,croppedX:0,croppedY:0,poseHeading:0,posePitch:0,poseRoll:0}},n.config=function(t){var e=Y(zt);W(e,t);var o={};return Z(e,(function(t,n){if(Vt[n])$(Vt[n]);else{if(!Object.prototype.hasOwnProperty.call(zt,n))throw new i("Unknown option "+n);Wt[n]?o[n]=Wt[n](t,e):o[n]=t}})),o}(o),n.parent="string"==typeof o.container?document.getElementById(o.container):o.container,n.parent[u]=l(n),n.container=document.createElement("div"),n.container.classList.add("psv-container"),n.parent.appendChild(n.container),n.adapter=new n.config.adapter[0](l(n),n.config.adapter[1]),n.children=[],n.plugins={},n.renderer=new ne(l(n)),n.textureLoader=new re(l(n)),n.eventsHandler=new ie(l(n)),n.dataHelper=new oe(l(n)),n.loader=new Gt(l(n)),n.navbar=new Bt(l(n)),n.panel=new Qt(l(n)),n.tooltip=new pe(l(n)),n.notification=new qt(l(n)),n.overlay=new Kt(l(n)),n.dynamics={zoom:new ut((function(t){n.prop.vFov=n.dataHelper.zoomLevelToFov(t),n.prop.hFov=n.dataHelper.vFovToHFov(n.prop.vFov),n.trigger(f.ZOOM_UPDATED,t)}),n.config.defaultZoomLvl,0,100),position:new dt({longitude:new ut(null,n.config.defaultLong,0,2*Math.PI,!0),latitude:n.prop.littlePlanet?new ut(null,n.config.defaultLat,0,2*Math.PI,!0):new ut(null,n.config.defaultLat,-Math.PI/2,Math.PI/2)},(function(t){n.dataHelper.sphericalCoordsToVector3(t,n.prop.direction),n.trigger(f.POSITION_UPDATED,t)}))},n.__updateSpeeds(),n.eventsHandler.init(),n.__resizeRefresh=F((function(){return n.refreshUi("resize")}),500),n.resize(n.config.size),n.config.plugins.forEach((function(t){var e=t[0],o=t[1];n.plugins[e.id]=new e(l(n),o)})),Z(n.plugins,(function(t){return null==t.init?void 0:t.init()})),n.navbar.setButtons(n.config.navbar),n.config.panorama&&n.setPanorama(n.config.panorama),L(n.container,"psv--is-touch",b.isTouchEnabled.initial),b.isTouchEnabled.promise.then((function(t){return L(n.container,"psv--is-touch",t)})),n.once(f.RENDER,(function(){n.config.navbar&&(n.container.classList.add("psv--has-navbar"),n.navbar.show()),X(n.config.autorotateDelay)||(n.prop.idleTime=performance.now()),n.prop.ready=!0,setTimeout((function(){n.refreshUi("init"),n.trigger(f.READY)}),0)})),n}c(o,t);var n=o.prototype;return n.destroy=function(){this.__stopAll(),this.stopKeyboardControl(),this.exitFullscreen(),Z(this.plugins,(function(t){return t.destroy()})),delete this.plugins,this.children.slice().forEach((function(t){return t.destroy()})),this.children.length=0,this.eventsHandler.destroy(),this.renderer.destroy(),this.textureLoader.destroy(),this.dataHelper.destroy(),this.adapter.destroy(),this.parent.removeChild(this.container),delete this.parent[u],delete this.parent,delete this.container,delete this.loader,delete this.navbar,delete this.panel,delete this.tooltip,delete this.notification,delete this.overlay,delete this.dynamics,delete this.config},n.refreshUi=function(t){var e=this;this.prop.ready&&(this.prop.uiRefresh?"new"!==this.prop.uiRefresh&&(this.prop.uiRefresh="new",setTimeout((function(){e.prop.uiRefresh=!1,e.refreshUi(t)}))):(this.prop.uiRefresh=!0,this.children.every((function(t){return t.refreshUi(),!0===e.prop.uiRefresh})),this.prop.uiRefresh=!1))},n.getPlugin=function(t){if("string"==typeof t)return this.plugins[t];var e=q(t,Ht);return e?this.plugins[e.id]:void 0},n.getPosition=function(){return this.dataHelper.cleanPosition(this.dynamics.position.current)},n.getZoomLevel=function(){return this.dynamics.zoom.current},n.getSize=function(){return a({},this.prop.size)},n.isAutorotateEnabled=function(){return this.prop.autorotateEnabled},n.isFullscreenEnabled=function(){return b.fullscreenEvent?A(this.container):this.prop.fullscreen},n.needsUpdate=function(){this.prop.needsUpdate=!0},n.autoSize=function(){this.container.clientWidth===this.prop.size.width&&this.container.clientHeight===this.prop.size.height||(this.prop.size.width=Math.round(this.container.clientWidth),this.prop.size.height=Math.round(this.container.clientHeight),this.prop.aspect=this.prop.size.width/this.prop.size.height,this.prop.hFov=this.dataHelper.vFovToHFov(this.prop.vFov),this.trigger(f.SIZE_UPDATED,this.getSize()),this.__resizeRefresh())},n.setPanorama=function(t,e){var o,i=this;void 0===e&&(e={}),this.textureLoader.abortLoading(),null==(o=this.prop.transitionAnimation)||o.cancel(),this.prop.ready||["sphereCorrection","panoData","overlay","overlayOpacity"].forEach((function(t){t in e||(e[t]=i.config[t])})),void 0!==e.transition&&!0!==e.transition||(e.transition=1500),void 0===e.showLoader&&(e.showLoader=!0),void 0===e.caption&&(e.caption=this.config.caption),void 0===e.description&&(e.description=this.config.description),e.panoData||"function"!=typeof this.config.panoData||(e.panoData=this.config.panoData);var n=J(e),r="zoom"in e;(n||r)&&this.__stopAll(),this.hideError(),this.config.panorama=t,this.config.caption=e.caption,this.config.description=e.description;var s=function(t){if(i.loader.hide(),i.prop.loadingPromise=null,Q(t))return!1;if(t)throw i.navbar.setCaption(""),i.showError(i.config.lang.loadError),console.error(t),t;return i.resetIdleTimer(),i.setOverlay(e.overlay,e.overlayOpacity),i.navbar.setCaption(i.config.caption),!0};this.navbar.setCaption("<em>"+(this.config.loadingTxt||"")+"</em>"),!e.showLoader&&this.prop.ready||this.loader.show();var a=this.adapter.loadTexture(this.config.panorama,e.panoData).then((function(t){if(t.panorama!==i.config.panorama)throw i.adapter.disposeTexture(t),K();return t}));return e.transition&&this.prop.ready&&this.adapter.supportsTransition(this.config.panorama)?this.prop.loadingPromise=a.then((function(t){return i.loader.hide(),i.prop.transitionAnimation=i.renderer.transition(t,e),i.prop.transitionAnimation})).then((function(t){if(i.prop.transitionAnimation=null,!t)throw K()})).then(s,s):this.prop.loadingPromise=a.then((function(t){i.renderer.show(),i.renderer.setTexture(t),i.renderer.setPanoramaPose(t.panoData),i.renderer.setSphereCorrection(e.sphereCorrection),r&&i.zoom(e.zoom),n&&i.rotate(e)})).then(s,s),this.prop.loadingPromise},n.setOverlay=function(t,e){var o=this;return void 0===e&&(e=1),this.adapter.constructor.supportsOverlay?t?this.adapter.loadTexture(t,(function(t){var e=o.prop.panoData,i=t.width/e.croppedWidth;return{fullWidth:i*e.fullWidth,fullHeight:i*e.fullHeight,croppedWidth:i*e.croppedWidth,croppedHeight:i*e.croppedHeight,croppedX:i*e.croppedX,croppedY:i*e.croppedY}}),!1).then((function(t){o.renderer.setOverlay(t,e)})):(this.renderer.setOverlay(null,0),Promise.resolve()):Promise.reject(new i(this.adapter.constructor.id+" adapter does not supports overlay"))},n.setOptions=function(t){var e=this,o=a({},this.config,t);Z(t,(function(t,n){if(Vt[n])$(Vt[n]);else{if(!Object.prototype.hasOwnProperty.call(zt,n))throw new i("Unknown option "+n);if(Ft[n])throw new i(Ft[n]);switch(Wt[n]?e.config[n]=Wt[n](t,o):e.config[n]=t,n){case"overlay":case"overlayOpacity":e.setOverlay(e.config.overlay,e.config.overlayOpacity);break;case"caption":case"description":e.navbar.setCaption(e.config.caption);break;case"size":e.resize(t);break;case"sphereCorrection":e.renderer.setSphereCorrection(t);break;case"navbar":case"lang":e.navbar.setButtons(e.config.navbar);break;case"moveSpeed":case"zoomSpeed":e.__updateSpeeds();break;case"minFov":case"maxFov":e.dynamics.zoom.setValue(e.dataHelper.fovToZoomLevel(e.prop.vFov)),e.trigger(f.ZOOM_UPDATED,e.getZoomLevel());break;case"canvasBackground":e.renderer.canvasContainer.style.background=e.config.canvasBackground;break;case"autorotateIdle":e.resetIdleTimer()}}})),this.needsUpdate(),this.refreshUi("set options"),this.trigger(f.CONFIG_CHANGED,Object.keys(t))},n.setOption=function(t,e){var o;this.setOptions(((o={})[t]=e,o))},n.resetIdleTimer=function(){this.prop.idleTime=this.config.autorotateIdle?performance.now():-1},n.disableIdleTimer=function(){this.prop.idleTime=-1},n.startAutorotate=function(t){void 0===t&&(t=!1),t&&!this.isAutorotateEnabled()||!t&&this.isAutorotateEnabled()||(t||this.__stopAll(),this.dynamics.position.roll({longitude:this.config.autorotateSpeed<0},Math.abs(this.config.autorotateSpeed/this.config.moveSpeed)),this.dynamics.position.goto({latitude:this.config.autorotateLat},Math.abs(this.config.autorotateSpeed/this.config.moveSpeed)),this.prop.autorotateEnabled=!0,t||this.trigger(f.AUTOROTATE,!0))},n.stopAutorotate=function(){this.isAutorotateEnabled()&&(this.dynamics.position.stop(),this.prop.autorotateEnabled=!1,this.trigger(f.AUTOROTATE,!1))},n.toggleAutorotate=function(){this.isAutorotateEnabled()?this.stopAutorotate():this.startAutorotate()},n.showError=function(t){this.overlay.show({id:_.ERROR,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="15 15 70 70"><path fill="currentColor" d="M50,16.2c-18.6,0-33.8,15.1-33.8,33.8S31.4,83.7,50,83.7S83.8,68.6,83.8,50S68.6,16.2,50,16.2z M50,80.2c-16.7,0-30.2-13.6-30.2-30.2S33.3,19.7,50,19.7S80.3,33.3,80.3,50S66.7,80.2,50,80.2z"/><rect fill="currentColor" x="48" y="31.7" width="4" height="28"/><rect fill="currentColor" x="48" y="63.2" width="4" height="5"/>\x3c!--Created by Shastry from the Noun Project--\x3e</svg>\n',text:t,dissmisable:!1})},n.hideError=function(){this.overlay.hide(_.ERROR)},n.rotate=function(t){if(!this.trigger(f.BEFORE_ROTATE,t).isDefaultPrevented()){var e=this.change(m.GET_ROTATE_POSITION,this.dataHelper.cleanPosition(t));this.dynamics.position.setValue(e)}},n.animate=function(t){var e=this;this.__stopAll();var o,i=J(t),n="zoom"in t,r={};if(i){var s=this.change(m.GET_ANIMATE_POSITION,this.dataHelper.cleanPosition(t)),a=this.getPosition(),c=U(a.longitude,s.longitude);r.longitude={start:a.longitude,end:a.longitude+c},r.latitude={start:a.latitude,end:s.latitude},o=this.dataHelper.speedToDuration(t.speed,H(a,s))}if(n){var h=Math.abs(t.zoom-this.getZoomLevel());r.zoom={start:this.getZoomLevel(),end:t.zoom},o||(o=this.dataHelper.speedToDuration(t.speed,Math.PI/4*h/100))}return o?(this.prop.animationPromise=new pt({properties:r,duration:o,easing:"inOutSine",onTick:function(t){i&&e.rotate(t),n&&e.zoom(t.zoom)}}),this.prop.animationPromise.then((function(){e.prop.animationPromise=null,e.resetIdleTimer()})),this.prop.animationPromise):(i&&this.rotate(t),n&&this.zoom(t.zoom),new pt)},n.stopAnimation=function(){var t=this;return this.prop.animationPromise?new Promise((function(e){t.prop.animationPromise.then(e),t.prop.animationPromise.cancel(),t.prop.animationPromise=null})):Promise.resolve()},n.zoom=function(t){this.dynamics.zoom.setValue(t)},n.zoomIn=function(t){void 0===t&&(t=1),this.dynamics.zoom.step(t)},n.zoomOut=function(t){void 0===t&&(t=1),this.dynamics.zoom.step(-t)},n.resize=function(t){var e=this;["width","height"].forEach((function(o){t&&t[o]&&(/^[0-9.]+$/.test(t[o])&&(t[o]+="px"),e.parent.style[o]=t[o])})),this.autoSize()},n.enterFullscreen=function(){b.fullscreenEvent?I(this.container):(this.container.classList.add("psv-container--fullscreen"),this.autoSize(),this.eventsHandler.__fullscreenToggled(!0))},n.exitFullscreen=function(){this.isFullscreenEnabled()&&(b.fullscreenEvent?S():(this.container.classList.remove("psv-container--fullscreen"),this.autoSize(),this.eventsHandler.__fullscreenToggled(!1)))},n.toggleFullscreen=function(){this.isFullscreenEnabled()?this.exitFullscreen():this.enterFullscreen()},n.startKeyboardControl=function(){this.eventsHandler.enableKeyboard()},n.stopKeyboardControl=function(){this.eventsHandler.disableKeyboard()},n.observeObjects=function(t,e){var o=this;return this.prop.objectsObservers[t]={listener:e},function(){delete o.prop.objectsObservers[t]}},n.__stopAll=function(){return this.trigger(f.STOP_ALL),this.disableIdleTimer(),this.stopAutorotate(),this.stopAnimation()},n.__updateSpeeds=function(){this.dynamics.zoom.setSpeed(50*this.config.zoomSpeed),this.dynamics.position.setSpeed(e.MathUtils.degToRad(50*this.config.moveSpeed))},o}(o.EventEmitter);t.AbstractAdapter=n,t.AbstractButton=_t,t.AbstractComponent=gt,t.AbstractPlugin=Ht,t.Animation=pt,t.CONSTANTS=E,t.DEFAULTS=zt,t.EquirectangularAdapter=mt,t.PSVError=i,t.SYSTEM=b,t.Viewer=ue,t.registerButton=Xt,t.utils=ft,Object.defineProperty(t,"__esModule",{value:!0})}));
+//# sourceMappingURL=/sm/3711cd16151c12d984aa9d8c7a6d39223b65090654f0d64937f0d9c4005b15a8.map</script>
 
 <h1>Panorama</h1>>
 <script>
diff --git a/html/index.html b/html/index.html
index 118029b..b18ca56 100644
--- a/html/index.html
+++ b/html/index.html
@@ -5,7 +5,7 @@
 	<title>Panorama viewer</title>
 	<meta name="viewport" content="width=device-width, initial-scale=1.0">
 
-	<link rel="stylesheet" href="../css/photo-sphere-viewer.css">
+	<link rel="stylesheet" href="../css/photo-sphere-viewer.min.css">
 
 	<style>
 	html, body {
@@ -39,8 +39,8 @@
 <div id="photosphere"></div>
 
 <script src="../js/three.min.js"></script>
-<script src="../js/browser.js"></script>
-<script src="../js/photo-sphere-viewer.js"></script>
+<script src="../js/browser.min.js"></script>
+<script src="../js/photo-sphere-viewer.min.js"></script>
 
 <h1>Panorama</h1>>
 <script>
diff --git a/js/browser.js b/js/browser.js
deleted file mode 100644
index 327390a..0000000
--- a/js/browser.js
+++ /dev/null
@@ -1,333 +0,0 @@
-/*!
- * uevent (v2.2.0)
- * @copyright 2015-2022 Damien "Mistic" Sorel <contact@git.strangeplanet.fr>
- * @licence MIT
- */
-(function (global, factory) {
-    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
-    typeof define === 'function' && define.amd ? define(['exports'], factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.uEvent = {}));
-})(this, (function (exports) { 'use strict';
-
-    var returnTrue = function returnTrue() {
-      return true;
-    };
-
-    var returnFalse = function returnFalse() {
-      return false;
-    };
-
-    var Event = /*#__PURE__*/function () {
-      /**
-       * @param {*} target
-       * @param {String} type
-       * @param {Array} args
-       */
-      function Event(target, type, args) {
-        Object.defineProperties(this, {
-          'target': {
-            get: function get() {
-              return target;
-            },
-            set: function set() {},
-            enumerable: true
-          },
-          'type': {
-            get: function get() {
-              return type;
-            },
-            set: function set() {},
-            enumerable: true
-          },
-          'args': {
-            get: function get() {
-              return args;
-            },
-            set: function set() {},
-            enumerable: true
-          }
-        });
-        this.isDefaultPrevented = returnFalse;
-        this.isPropagationStopped = returnFalse;
-      }
-
-      var _proto = Event.prototype;
-
-      _proto.preventDefault = function preventDefault() {
-        this.isDefaultPrevented = returnTrue;
-      };
-
-      _proto.stopPropagation = function stopPropagation() {
-        this.isPropagationStopped = returnTrue;
-      };
-
-      return Event;
-    }();
-
-    var Event_1 = Event;
-
-    /**
-     * @typedef {Object.<String, Function>} Callbacks
-     */
-
-    var EventEmitter = /*#__PURE__*/function () {
-      function EventEmitter() {}
-
-      var _proto = EventEmitter.prototype;
-
-      /**
-       * Add one or many event handlers
-       *
-       * @example
-       *  obj.on('event', callback)
-       *  obj.on('event', listener) // listener has an `handleEvent` method
-       *  obj.on('event1 event2', callback)
-       *  obj.on({ event1: callback1, event2: callback2 })
-       *
-       * @param {String|Callbacks} events
-       * @param {Function} [callback]
-       * @return {this}
-       */
-      _proto.on = function on(events, callback) {
-        var _this = this;
-
-        this.__events = this.__events || {};
-
-        if (typeof events === 'object') {
-          for (var event in events) {
-            if (events.hasOwnProperty(event)) {
-              this.__events[event] = this.__events[event] || [];
-
-              this.__events[event].push(events[event]);
-            }
-          }
-        } else {
-          events.split(' ').forEach(function (event) {
-            _this.__events[event] = _this.__events[event] || [];
-
-            _this.__events[event].push(callback);
-          });
-        }
-
-        return this;
-      }
-      /**
-       * Remove one or many or all event handlers
-       *
-       * @example
-       *  obj.off('event')
-       *  obj.off('event', callback)
-       *  obj.off('event1 event2')
-       *  obj.off({ event1: callback1, event2: callback2 })
-       *  obj.off()
-       *
-       * @param {String|Callbacks} [events]
-       * @param {Function} [callback]
-       * @return {this}
-       */
-      ;
-
-      _proto.off = function off(events, callback) {
-        var _this2 = this;
-
-        if (typeof events === 'object') {
-          for (var event in events) {
-            if (events.hasOwnProperty(event)) {
-              if (this.__events && event in this.__events) {
-                var index = this.__events[event].indexOf(events[event]);
-
-                if (index !== -1) this.__events[event].splice(index, 1);
-              }
-
-              if (this.__once && event in this.__once) {
-                var _index = this.__once[event].indexOf(events[event]);
-
-                if (_index !== -1) this.__once[event].splice(_index, 1);
-              }
-            }
-          }
-        } else if (!!events) {
-          events.split(' ').forEach(function (event) {
-            if (_this2.__events && event in _this2.__events) {
-              if (callback) {
-                var _index2 = _this2.__events[event].indexOf(callback);
-
-                if (_index2 !== -1) _this2.__events[event].splice(_index2, 1);
-              } else {
-                _this2.__events[event].length = 0;
-              }
-            }
-
-            if (_this2.__once && event in _this2.__once) {
-              if (callback) {
-                var _index3 = _this2.__once[event].indexOf(callback);
-
-                if (_index3 !== -1) _this2.__once[event].splice(_index3, 1);
-              } else {
-                _this2.__once[event].length = 0;
-              }
-            }
-          });
-        } else {
-          this.__events = {};
-          this.__once = {};
-        }
-
-        return this;
-      }
-      /**
-       * Add one or many event handlers that will be called only once
-       * This handlers are only applicable to "trigger", not "change"
-       *
-       * @example
-       *  obj.once('event', callback)
-       *  obj.once('event1 event2', callback)
-       *  obj.once({ event1: callback1, event2: callback2 })
-       *
-       * @param {String|Callbacks} events
-       * @param {Function} [callback]
-       * @return {this}
-       */
-      ;
-
-      _proto.once = function once(events, callback) {
-        var _this3 = this;
-
-        this.__once = this.__once || {};
-
-        if (typeof events === 'object') {
-          for (var event in events) {
-            if (events.hasOwnProperty(event)) {
-              this.__once[event] = this.__once[event] || [];
-
-              this.__once[event].push(events[event]);
-            }
-          }
-        } else {
-          events.split(' ').forEach(function (event) {
-            _this3.__once[event] = _this3.__once[event] || [];
-
-            _this3.__once[event].push(callback);
-          });
-        }
-
-        return this;
-      }
-      /**
-       * Trigger all handlers for an event
-       *
-       * @param {String} event
-       * @param {*...} [arguments]
-       * @return {Event}
-       */
-      ;
-
-      _proto.trigger = function trigger(event
-      /* , args... */
-      ) {
-        var args = Array.prototype.slice.call(arguments, 1);
-        var e = new Event_1(this, event, args);
-
-        if (this.__events && event in this.__events) {
-          for (var i = 0, l = this.__events[event].length; i < l; i++) {
-            var f = this.__events[event][i];
-
-            if (typeof f === 'object') {
-              f.handleEvent(e);
-            } else {
-              f.call.apply(f, [this, e].concat(args));
-            }
-
-            if (e.isPropagationStopped()) {
-              break;
-            }
-          }
-        }
-
-        if (this.__once && event in this.__once) {
-          for (var _i = 0, _l = this.__once[event].length; _i < _l; _i++) {
-            var _f = this.__once[event][_i];
-
-            if (typeof _f === 'object') {
-              _f.handleEvent(e);
-            } else {
-              _f.call.apply(_f, [this, e].concat(args));
-            }
-
-            if (e.isPropagationStopped()) {
-              break;
-            }
-          }
-
-          delete this.__once[event];
-        }
-
-        return e;
-      }
-      /**
-       * Trigger all modificators for an event, each handler must return a value
-       *
-       * @param {String} event
-       * @param {*} value
-       * @param {*...} [arguments]
-       * @return {*} modified value
-       */
-      ;
-
-      _proto.change = function change(event, value
-      /* , args... */
-      ) {
-        var args = Array.prototype.slice.call(arguments, 2);
-        var e = new Event_1(this, event, args);
-        e.value = value;
-
-        if (this.__events && event in this.__events) {
-          for (var i = 0, l = this.__events[event].length; i < l; i++) {
-            var f = this.__events[event][i];
-
-            if (typeof f === 'object') {
-              e.value = f.handleEvent(e);
-            } else {
-              e.value = f.call.apply(f, [this, e, e.value].concat(args));
-            }
-
-            if (e.isPropagationStopped()) {
-              break;
-            }
-          }
-        }
-
-        return e.value;
-      };
-
-      return EventEmitter;
-    }();
-
-    var EventEmitter_1 = EventEmitter;
-
-    function mixin(target) {
-      target = typeof target === 'function' ? target.prototype : target;
-      ['on', 'off', 'once', 'trigger', 'change'].forEach(function (name) {
-        target[name] = EventEmitter_1.prototype[name];
-      });
-      return target;
-    }
-
-    var uEvent = {
-      EventEmitter: EventEmitter_1,
-      Event: Event_1,
-      mixin: mixin
-    };
-    var uEvent_1 = uEvent.EventEmitter;
-    var uEvent_2 = uEvent.Event;
-    var uEvent_3 = uEvent.mixin;
-
-    exports.Event = uEvent_2;
-    exports.EventEmitter = uEvent_1;
-    exports["default"] = uEvent;
-    exports.mixin = uEvent_3;
-
-    Object.defineProperty(exports, '__esModule', { value: true });
-
-}));
-//# sourceMappingURL=browser.js.map
diff --git a/js/browser.js.map b/js/browser.js.map
deleted file mode 100644
index 1d1ec93..0000000
--- a/js/browser.js.map
+++ /dev/null
@@ -1 +0,0 @@
-{"version":3,"file":"browser.js","sources":["src/Event.js","src/EventEmitter.js","index.js"],"sourcesContent":["const returnTrue = () => {\n    return true;\n};\n\nconst returnFalse = () => {\n    return false;\n};\n\nclass Event {\n\n    /**\n     * @param {*} target\n     * @param {String} type\n     * @param {Array} args\n     */\n    constructor(target, type, args) {\n        Object.defineProperties(this, {\n            'target': {\n                get       : () => {\n                    return target;\n                },\n                set       : () => {},\n                enumerable: true\n            },\n            'type'  : {\n                get       : () => {\n                    return type;\n                },\n                set       : () => {},\n                enumerable: true\n            },\n            'args'  : {\n                get       : () => {\n                    return args;\n                },\n                set       : () => {},\n                enumerable: true\n            }\n        });\n\n        this.isDefaultPrevented = returnFalse;\n        this.isPropagationStopped = returnFalse;\n    }\n\n    preventDefault() {\n        this.isDefaultPrevented = returnTrue;\n    }\n\n    stopPropagation() {\n        this.isPropagationStopped = returnTrue;\n    }\n\n}\n\nmodule.exports = Event;\n","const Event = require('./Event');\n\n/**\n * @typedef {Object.<String, Function>} Callbacks\n */\n\nclass EventEmitter {\n\n    /**\n     * Add one or many event handlers\n     *\n     * @example\n     *  obj.on('event', callback)\n     *  obj.on('event', listener) // listener has an `handleEvent` method\n     *  obj.on('event1 event2', callback)\n     *  obj.on({ event1: callback1, event2: callback2 })\n     *\n     * @param {String|Callbacks} events\n     * @param {Function} [callback]\n     * @return {this}\n     */\n    on(events, callback) {\n        this.__events = this.__events || {};\n\n        if (typeof events === 'object') {\n            for (const event in events) {\n                if (events.hasOwnProperty(event)) {\n                    this.__events[event] = this.__events[event] || [];\n                    this.__events[event].push(events[event]);\n                }\n            }\n        }\n        else {\n            events.split(' ').forEach((event) => {\n                this.__events[event] = this.__events[event] || [];\n                this.__events[event].push(callback);\n            });\n        }\n\n        return this;\n    }\n\n    /**\n     * Remove one or many or all event handlers\n     *\n     * @example\n     *  obj.off('event')\n     *  obj.off('event', callback)\n     *  obj.off('event1 event2')\n     *  obj.off({ event1: callback1, event2: callback2 })\n     *  obj.off()\n     *\n     * @param {String|Callbacks} [events]\n     * @param {Function} [callback]\n     * @return {this}\n     */\n    off(events, callback) {\n        if (typeof events === 'object') {\n            for (const event in events) {\n                if (events.hasOwnProperty(event)) {\n                    if (this.__events && (event in this.__events)) {\n                        const index = this.__events[event].indexOf(events[event]);\n                        if (index !== -1) this.__events[event].splice(index, 1);\n                    }\n                    if (this.__once && (event in this.__once)) {\n                        const index = this.__once[event].indexOf(events[event]);\n                        if (index !== -1) this.__once[event].splice(index, 1);\n                    }\n                }\n            }\n        }\n        else if (!!events) {\n            events.split(' ').forEach((event) => {\n                if (this.__events && (event in this.__events)) {\n                    if (callback) {\n                        const index = this.__events[event].indexOf(callback);\n                        if (index !== -1) this.__events[event].splice(index, 1);\n                    }\n                    else {\n                        this.__events[event].length = 0;\n                    }\n                }\n                if (this.__once && (event in this.__once)) {\n                    if (callback) {\n                        const index = this.__once[event].indexOf(callback);\n                        if (index !== -1) this.__once[event].splice(index, 1);\n                    }\n                    else {\n                        this.__once[event].length = 0;\n                    }\n                }\n            });\n        }\n        else {\n            this.__events = {};\n            this.__once = {};\n        }\n\n        return this;\n    }\n\n    /**\n     * Add one or many event handlers that will be called only once\n     * This handlers are only applicable to \"trigger\", not \"change\"\n     *\n     * @example\n     *  obj.once('event', callback)\n     *  obj.once('event1 event2', callback)\n     *  obj.once({ event1: callback1, event2: callback2 })\n     *\n     * @param {String|Callbacks} events\n     * @param {Function} [callback]\n     * @return {this}\n     */\n    once(events, callback) {\n        this.__once = this.__once || {};\n\n        if (typeof events === 'object') {\n            for (const event in events) {\n                if (events.hasOwnProperty(event)) {\n                    this.__once[event] = this.__once[event] || [];\n                    this.__once[event].push(events[event]);\n                }\n            }\n        }\n        else {\n            events.split(' ').forEach((event) => {\n                this.__once[event] = this.__once[event] || [];\n                this.__once[event].push(callback);\n            });\n        }\n\n        return this;\n    }\n\n    /**\n     * Trigger all handlers for an event\n     *\n     * @param {String} event\n     * @param {*...} [arguments]\n     * @return {Event}\n     */\n    trigger(event /* , args... */) {\n        const args = Array.prototype.slice.call(arguments, 1);\n        const e = new Event(this, event, args);\n\n        if (this.__events && (event in this.__events)) {\n            for (let i = 0, l = this.__events[event].length; i < l; i++) {\n                const f = this.__events[event][i];\n                if (typeof f === 'object') {\n                    f.handleEvent(e);\n                }\n                else {\n                    f.call(this, e, ...args);\n                }\n                if (e.isPropagationStopped()) {\n                    break;\n                }\n            }\n        }\n\n        if (this.__once && (event in this.__once)) {\n            for (let i = 0, l = this.__once[event].length; i < l; i++) {\n                const f = this.__once[event][i];\n                if (typeof f === 'object') {\n                    f.handleEvent(e);\n                }\n                else {\n                    f.call(this, e, ...args);\n                }\n                if (e.isPropagationStopped()) {\n                    break;\n                }\n            }\n            delete this.__once[event];\n        }\n\n        return e;\n    }\n\n    /**\n     * Trigger all modificators for an event, each handler must return a value\n     *\n     * @param {String} event\n     * @param {*} value\n     * @param {*...} [arguments]\n     * @return {*} modified value\n     */\n    change(event, value /* , args... */) {\n        const args = Array.prototype.slice.call(arguments, 2);\n        const e = new Event(this, event, args);\n        e.value = value;\n\n        if (this.__events && event in this.__events) {\n            for (let i = 0, l = this.__events[event].length; i < l; i++) {\n                const f = this.__events[event][i];\n                if (typeof f === 'object') {\n                    e.value = f.handleEvent(e);\n                }\n                else {\n                    e.value = f.call(this, e, e.value, ...args);\n                }\n                if (e.isPropagationStopped()) {\n                    break;\n                }\n            }\n        }\n\n        return e.value;\n    }\n\n}\n\nmodule.exports = EventEmitter;\n","const EventEmitter = require('./src/EventEmitter');\nconst Event = require('./src/Event');\n\nfunction mixin(target) {\n    target = typeof target === 'function' ? target.prototype : target;\n\n    ['on', 'off', 'once', 'trigger', 'change'].forEach((name) => {\n        target[name] = EventEmitter.prototype[name];\n    });\n\n    return target;\n}\n\nmodule.exports = {\n    EventEmitter: EventEmitter,\n    Event       : Event,\n    mixin       : 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\ No newline at end of file
diff --git a/js/browser.min.js b/js/browser.min.js
new file mode 100644
index 0000000..76e4bde
--- /dev/null
+++ b/js/browser.min.js
@@ -0,0 +1,13 @@
+/**
+ * Minified by jsDelivr using Terser v5.13.1.
+ * Original file: /npm/uevent@2.2.0/browser.js
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
+ * uevent (v2.2.0)
+ * @copyright 2015-2022 Damien "Mistic" Sorel <contact@git.strangeplanet.fr>
+ * @licence MIT
+ */
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).uEvent={})}(this,(function(e){"use strict";var t=function(){return!0},n=function(){return!1},i=function(){function e(e,t,i){Object.defineProperties(this,{target:{get:function(){return e},set:function(){},enumerable:!0},type:{get:function(){return t},set:function(){},enumerable:!0},args:{get:function(){return i},set:function(){},enumerable:!0}}),this.isDefaultPrevented=n,this.isPropagationStopped=n}var i=e.prototype;return i.preventDefault=function(){this.isDefaultPrevented=t},i.stopPropagation=function(){this.isPropagationStopped=t},e}(),o=function(){function e(){}var t=e.prototype;return t.on=function(e,t){var n=this;if(this.__events=this.__events||{},"object"==typeof e)for(var i in e)e.hasOwnProperty(i)&&(this.__events[i]=this.__events[i]||[],this.__events[i].push(e[i]));else e.split(" ").forEach((function(e){n.__events[e]=n.__events[e]||[],n.__events[e].push(t)}));return this},t.off=function(e,t){var n=this;if("object"==typeof e){for(var i in e)if(e.hasOwnProperty(i)){if(this.__events&&i in this.__events){var o=this.__events[i].indexOf(e[i]);-1!==o&&this.__events[i].splice(o,1)}if(this.__once&&i in this.__once){var s=this.__once[i].indexOf(e[i]);-1!==s&&this.__once[i].splice(s,1)}}}else e?e.split(" ").forEach((function(e){if(n.__events&&e in n.__events)if(t){var i=n.__events[e].indexOf(t);-1!==i&&n.__events[e].splice(i,1)}else n.__events[e].length=0;if(n.__once&&e in n.__once)if(t){var o=n.__once[e].indexOf(t);-1!==o&&n.__once[e].splice(o,1)}else n.__once[e].length=0})):(this.__events={},this.__once={});return this},t.once=function(e,t){var n=this;if(this.__once=this.__once||{},"object"==typeof e)for(var i in e)e.hasOwnProperty(i)&&(this.__once[i]=this.__once[i]||[],this.__once[i].push(e[i]));else e.split(" ").forEach((function(e){n.__once[e]=n.__once[e]||[],n.__once[e].push(t)}));return this},t.trigger=function(e){var t=Array.prototype.slice.call(arguments,1),n=new i(this,e,t);if(this.__events&&e in this.__events)for(var o=0,s=this.__events[e].length;o<s;o++){var r=this.__events[e][o];if("object"==typeof r?r.handleEvent(n):r.call.apply(r,[this,n].concat(t)),n.isPropagationStopped())break}if(this.__once&&e in this.__once){for(var _=0,c=this.__once[e].length;_<c;_++){var f=this.__once[e][_];if("object"==typeof f?f.handleEvent(n):f.call.apply(f,[this,n].concat(t)),n.isPropagationStopped())break}delete this.__once[e]}return n},t.change=function(e,t){var n=Array.prototype.slice.call(arguments,2),o=new i(this,e,n);if(o.value=t,this.__events&&e in this.__events)for(var s=0,r=this.__events[e].length;s<r;s++){var _=this.__events[e][s];if(o.value="object"==typeof _?_.handleEvent(o):_.call.apply(_,[this,o,o.value].concat(n)),o.isPropagationStopped())break}return o.value},e}(),s=o;var r={EventEmitter:s,Event:i,mixin:function(e){return e="function"==typeof e?e.prototype:e,["on","off","once","trigger","change"].forEach((function(t){e[t]=s.prototype[t]})),e}},_=r.EventEmitter,c=r.Event,f=r.mixin;e.Event=c,e.EventEmitter=_,e.default=r,e.mixin=f,Object.defineProperty(e,"__esModule",{value:!0})}));
+//# sourceMappingURL=/sm/6e1cf618058ab48868e5db5dfff14558719776929185eb69b3789d1452b3a600.map
\ No newline at end of file
diff --git a/js/photo-sphere-viewer.js b/js/photo-sphere-viewer.js
deleted file mode 100644
index f823457..0000000
--- a/js/photo-sphere-viewer.js
+++ /dev/null
@@ -1,9832 +0,0 @@
-/*!
-* Photo Sphere Viewer 4.7.1
-* @copyright 2014-2015 Jérémy Heleine
-* @copyright 2015-2022 Damien "Mistic" Sorel
-* @licence MIT (https://opensource.org/licenses/MIT)
-*/
-(function (global, factory) {
-  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('three'), require('uevent')) :
-  typeof define === 'function' && define.amd ? define(['exports', 'three', 'uevent'], factory) :
-  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.PhotoSphereViewer = {}, global.THREE, global.uEvent));
-})(this, (function (exports, three, uevent) { 'use strict';
-
-  /**
-   * @summary Custom error used in the lib
-   * @param {string} message
-   * @constructor
-   * @memberOf PSV
-   */
-  function PSVError(message) {
-    this.message = message; // Use V8's native method if available, otherwise fallback
-
-    if ('captureStackTrace' in Error) {
-      Error.captureStackTrace(this, PSVError);
-    } else {
-      this.stack = new Error().stack;
-    }
-  }
-
-  PSVError.prototype = Object.create(Error.prototype);
-  PSVError.prototype.name = 'PSVError';
-  PSVError.prototype.constructor = PSVError;
-
-  /**
-   * @namespace PSV.adapters
-   */
-
-  /**
-   * @summary Base adapters class
-   * @memberof PSV.adapters
-   * @abstract
-   */
-
-  var AbstractAdapter = /*#__PURE__*/function () {
-    /**
-     * @summary Unique identifier of the adapter
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Indicates if the adapter supports panorama download natively
-     * @type {boolean}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Indicated if the adapter can display an additional transparent image above the panorama
-     * @type {boolean}
-     */
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractAdapter(psv) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = psv;
-    }
-    /**
-     * @summary Destroys the adapter
-     */
-
-
-    var _proto = AbstractAdapter.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-    }
-    /**
-     * @summary Indicates if the adapter supports transitions between panoramas
-     * @param {*} panorama
-     * @return {boolean}
-     */
-    ;
-
-    _proto.supportsTransition = function supportsTransition(panorama) {
-      // eslint-disable-line no-unused-vars
-      return false;
-    }
-    /**
-     * @summary Indicates if the adapter supports preload of a panorama
-     * @param {*} panorama
-     * @return {boolean}
-     */
-    ;
-
-    _proto.supportsPreload = function supportsPreload(panorama) {
-      // eslint-disable-line no-unused-vars
-      return false;
-    }
-    /**
-     * @abstract
-     * @summary Loads the panorama texture(s)
-     * @param {*} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @param {boolean} [useXmpPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData, useXmpPanoData) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('loadTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Creates the cube mesh
-     * @param {number} [scale=1]
-     * @returns {external:THREE.Mesh}
-     */
-    ;
-
-    _proto.createMesh = function createMesh(scale) {
-
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('createMesh not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Applies the texture to the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {PSV.TextureData} textureData
-     * @param {boolean} [transition=false]
-     */
-    ;
-
-    _proto.setTexture = function setTexture(mesh, textureData, transition) {
-
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Changes the opacity of the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {number} opacity
-     */
-    ;
-
-    _proto.setTextureOpacity = function setTextureOpacity(mesh, opacity) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setTextureOpacity not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Clear a loaded texture from memory
-     * @param {PSV.TextureData} textureData
-     */
-    ;
-
-    _proto.disposeTexture = function disposeTexture(textureData) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('disposeTexture not implemented');
-    }
-    /**
-     * @abstract
-     * @summary Applies the overlay to the mesh
-     * @param {external:THREE.Mesh} mesh
-     * @param {PSV.TextureData} textureData
-     * @param {number} opacity
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(mesh, textureData, opacity) {
-      // eslint-disable-line no-unused-vars
-      throw new PSVError('setOverlay not implemented');
-    }
-    /**
-     * @internal
-     */
-    ;
-
-    /**
-     * @internal
-     */
-    AbstractAdapter.createOverlayMaterial = function createOverlayMaterial() {
-      var _uniforms;
-
-      return new three.ShaderMaterial({
-        uniforms: (_uniforms = {}, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.panorama] = {
-          value: new three.Texture()
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.overlay] = {
-          value: new three.Texture()
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity] = {
-          value: 1.0
-        }, _uniforms[AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity] = {
-          value: 1.0
-        }, _uniforms),
-        vertexShader: "\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix *  modelViewMatrix * vec4( position, 1.0 );\n}",
-        fragmentShader: "\nuniform sampler2D " + AbstractAdapter.OVERLAY_UNIFORMS.panorama + ";\nuniform sampler2D " + AbstractAdapter.OVERLAY_UNIFORMS.overlay + ";\nuniform float " + AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity + ";\nuniform float " + AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity + ";\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec4 tColor1 = texture2D( " + AbstractAdapter.OVERLAY_UNIFORMS.panorama + ", vUv );\n  vec4 tColor2 = texture2D( " + AbstractAdapter.OVERLAY_UNIFORMS.overlay + ", vUv );\n  gl_FragColor = vec4( \n    mix( tColor1.rgb, tColor2.rgb, tColor2.a * " + AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity + " ), \n    " + AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity + "\n  );\n}"
-      });
-    };
-
-    return AbstractAdapter;
-  }();
-  AbstractAdapter.id = null;
-  AbstractAdapter.supportsDownload = false;
-  AbstractAdapter.supportsOverlay = false;
-  AbstractAdapter.OVERLAY_UNIFORMS = {
-    panorama: 'panorama',
-    overlay: 'overlay',
-    globalOpacity: 'globalOpacity',
-    overlayOpacity: 'overlayOpacity'
-  };
-
-  function _defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      Object.defineProperty(target, descriptor.key, descriptor);
-    }
-  }
-
-  function _createClass(Constructor, protoProps, staticProps) {
-    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) _defineProperties(Constructor, staticProps);
-    Object.defineProperty(Constructor, "prototype", {
-      writable: false
-    });
-    return Constructor;
-  }
-
-  function _extends() {
-    _extends = Object.assign ? Object.assign.bind() : function (target) {
-      for (var i = 1; i < arguments.length; i++) {
-        var source = arguments[i];
-
-        for (var key in source) {
-          if (Object.prototype.hasOwnProperty.call(source, key)) {
-            target[key] = source[key];
-          }
-        }
-      }
-
-      return target;
-    };
-    return _extends.apply(this, arguments);
-  }
-
-  function _inheritsLoose(subClass, superClass) {
-    subClass.prototype = Object.create(superClass.prototype);
-    subClass.prototype.constructor = subClass;
-
-    _setPrototypeOf(subClass, superClass);
-  }
-
-  function _setPrototypeOf(o, p) {
-    _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) {
-      o.__proto__ = p;
-      return o;
-    };
-    return _setPrototypeOf(o, p);
-  }
-
-  function _assertThisInitialized(self) {
-    if (self === void 0) {
-      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-    }
-
-    return self;
-  }
-
-  /**
-   * @namespace PSV.constants
-   */
-
-  /**
-   * @summary Default duration of the transition between panoramas
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-  var DEFAULT_TRANSITION = 1500;
-  /**
-   * @summary Number of pixels bellow which a mouse move will be considered as a click
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var MOVE_THRESHOLD = 4;
-  /**
-   * @summary Delay in milliseconds between two clicks to consider a double click
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var DBLCLICK_DELAY = 300;
-  /**
-   * @summary Delay in milliseconds to emulate a long touch
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var LONGTOUCH_DELAY = 500;
-  /**
-   * @summary Delay in milliseconds to for the two fingers overlay to appear
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var TWOFINGERSOVERLAY_DELAY = 100;
-  /**
-   * @summary Duration in milliseconds of the "ctrl zoom" overlay
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var CTRLZOOM_TIMEOUT = 2000;
-  /**
-   * @summary Time size of the mouse position history used to compute inertia
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var INERTIA_WINDOW = 300;
-  /**
-   * @summary Radius of the THREE.SphereGeometry, Half-length of the THREE.BoxGeometry
-   * @memberOf PSV.constants
-   * @type {number}
-   * @constant
-   */
-
-  var SPHERE_RADIUS = 10;
-  /**
-   * @summary Property name added to viewer element
-   * @memberOf PSV.constants
-   * @type {string}
-   * @constant
-   */
-
-  var VIEWER_DATA = 'photoSphereViewer';
-  /**
-   * @summary Property added the the main Mesh object
-   * @memberOf PSV.constants
-   * @type {string}
-   * @constant
-   */
-
-  var MESH_USER_DATA = 'psvSphere';
-  /**
-   * @summary Available actions
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var ACTIONS = {
-    ROTATE_LAT_UP: 'rotateLatitudeUp',
-    ROTATE_LAT_DOWN: 'rotateLatitudeDown',
-    ROTATE_LONG_RIGHT: 'rotateLongitudeRight',
-    ROTATE_LONG_LEFT: 'rotateLongitudeLeft',
-    ZOOM_IN: 'zoomIn',
-    ZOOM_OUT: 'zoomOut',
-    TOGGLE_AUTOROTATE: 'toggleAutorotate'
-  };
-  /**
-   * @summary Available events names
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var EVENTS = {
-    /**
-     * @event autorotate
-     * @memberof PSV
-     * @summary Triggered when the automatic rotation is enabled/disabled
-     * @param {boolean} enabled
-     */
-    AUTOROTATE: 'autorotate',
-
-    /**
-     * @event before-render
-     * @memberof PSV
-     * @summary Triggered before a render, used to modify the view
-     * @param {number} timestamp - time provided by requestAnimationFrame
-     * @param {number} elapsed - time elapsed from the previous frame
-     */
-    BEFORE_RENDER: 'before-render',
-
-    /**
-     * @event before-rotate
-     * @memberOf PSV
-     * @summary Triggered before a rotate operation, can be cancelled
-     * @param {PSV.ExtendedPosition}
-     */
-    BEFORE_ROTATE: 'before-rotate',
-
-    /**
-     * @event click
-     * @memberof PSV
-     * @summary Triggered when the user clicks on the viewer (everywhere excluding the navbar and the side panel)
-     * @param {PSV.ClickData} data
-     */
-    CLICK: 'click',
-
-    /**
-     * @event close-panel
-     * @memberof PSV
-     * @summary Triggered when the panel is closed
-     * @param {string} [id]
-     */
-    CLOSE_PANEL: 'close-panel',
-
-    /**
-     * @event config-changed
-     * @memberOf PSV
-     * @summary Triggered after a call to setOption/setOptions
-     * @param {string[]} name of changed options
-     */
-    CONFIG_CHANGED: 'config-changed',
-
-    /**
-     * @event dblclick
-     * @memberof PSV
-     * @summary Triggered when the user double clicks on the viewer. The simple `click` event is always fired before `dblclick`
-     * @param {PSV.ClickData} data
-     */
-    DOUBLE_CLICK: 'dblclick',
-
-    /**
-     * @event fullscreen-updated
-     * @memberof PSV
-     * @summary Triggered when the fullscreen mode is enabled/disabled
-     * @param {boolean} enabled
-     */
-    FULLSCREEN_UPDATED: 'fullscreen-updated',
-
-    /**
-     * @event hide-notification
-     * @memberof PSV
-     * @summary Triggered when the notification is hidden
-     * @param {string} [id]
-     */
-    HIDE_NOTIFICATION: 'hide-notification',
-
-    /**
-     * @event hide-overlay
-     * @memberof PSV
-     * @summary Triggered when the overlay is hidden
-     * @param {string} [id]
-     */
-    HIDE_OVERLAY: 'hide-overlay',
-
-    /**
-     * @event hide-tooltip
-     * @memberof PSV
-     * @summary Triggered when the tooltip is hidden
-     * @param {*} Data associated to this tooltip
-     */
-    HIDE_TOOLTIP: 'hide-tooltip',
-
-    /**
-     * @event key-press
-     * @memberof PSV
-     * @summary Triggered when a key is pressed, can be cancelled
-     * @param {string} key
-     */
-    KEY_PRESS: 'key-press',
-
-    /**
-     * @event load-progress
-     * @memberof PSV
-     * @summary Triggered when the loader value changes
-     * @param {number} value from 0 to 100
-     */
-    LOAD_PROGRESS: 'load-progress',
-
-    /**
-     * @event open-panel
-     * @memberof PSV
-     * @summary Triggered when the panel is opened
-     * @param {string} [id]
-     */
-    OPEN_PANEL: 'open-panel',
-
-    /**
-     * @event panorama-loaded
-     * @memberof PSV
-     * @summary Triggered when a panorama image has been loaded
-     * @param {PSV.TextureData} textureData
-     */
-    PANORAMA_LOADED: 'panorama-loaded',
-
-    /**
-     * @event position-updated
-     * @memberof PSV
-     * @summary Triggered when the view longitude and/or latitude changes
-     * @param {PSV.Position} position
-     */
-    POSITION_UPDATED: 'position-updated',
-
-    /**
-     * @event ready
-     * @memberof PSV
-     * @summary Triggered when the panorama image has been loaded and the viewer is ready to perform the first render
-     */
-    READY: 'ready',
-
-    /**
-     * @event render
-     * @memberof PSV
-     * @summary Triggered on each viewer render, **this event is triggered very often**
-     */
-    RENDER: 'render',
-
-    /**
-     * @event show-notification
-     * @memberof PSV
-     * @summary Triggered when the notification is shown
-     * @param {string} [id]
-     */
-    SHOW_NOTIFICATION: 'show-notification',
-
-    /**
-     * @event show-overlay
-     * @memberof PSV
-     * @summary Triggered when the overlay is shown
-     * @param {string} [id]
-     */
-    SHOW_OVERLAY: 'show-overlay',
-
-    /**
-     * @event show-tooltip
-     * @memberof PSV
-     * @summary Triggered when the tooltip is shown
-     * @param {*} Data associated to this tooltip
-     * @param {PSV.components.Tooltip} Instance of the tooltip
-     */
-    SHOW_TOOLTIP: 'show-tooltip',
-
-    /**
-     * @event size-updated
-     * @memberof PSV
-     * @summary Triggered when the viewer size changes
-     * @param {PSV.Size} size
-     */
-    SIZE_UPDATED: 'size-updated',
-
-    /**
-     * @event stop-all
-     * @memberof PSV
-     * @summary Triggered when all current animations are stopped
-     */
-    STOP_ALL: 'stop-all',
-
-    /**
-     * @event zoom-updated
-     * @memberof PSV
-     * @summary Triggered when the zoom level changes
-     * @param {number} zoomLevel
-     */
-    ZOOM_UPDATED: 'zoom-updated'
-  };
-  /**
-   * @summary Available change events names
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var CHANGE_EVENTS = {
-    /**
-     * @event get-animate-position
-     * @memberof PSV
-     * @param {Position} position
-     * @returns {Position}
-     * @summary Called to alter the target position of an animation
-     */
-    GET_ANIMATE_POSITION: 'get-animate-position',
-
-    /**
-     * @event get-rotate-position
-     * @memberof PSV
-     * @param {Position} position
-     * @returns {Position}
-     * @summary Called to alter the target position of a rotation
-     */
-    GET_ROTATE_POSITION: 'get-rotate-position'
-  };
-  /**
-   * @summary Special events emitted to listener using {@link Viewer#observeObjects}
-   * @memberOf PSV.constants
-   * @constant
-   * @package
-   */
-
-  var OBJECT_EVENTS = {
-    ENTER_OBJECT: 'enter-object',
-    HOVER_OBJECT: 'hover-object',
-    LEAVE_OBJECT: 'leave-object'
-  };
-  /**
-   * @summary Internal identifiers for various stuff
-   * @memberOf PSV.constants
-   * @enum {string}
-   * @constant
-   */
-
-  var IDS = {
-    MENU: 'menu',
-    TWO_FINGERS: 'twoFingers',
-    CTRL_ZOOM: 'ctrlZoom',
-    ERROR: 'error',
-    DESCRIPTION: 'description'
-  };
-  /* eslint-disable */
-  // @formatter:off
-
-  /**
-   * @summary Collection of easing functions
-   * @memberOf PSV.constants
-   * @see {@link https://gist.github.com/frederickk/6165768}
-   * @type {Object<string, Function>}
-   * @constant
-   */
-
-  var EASINGS = {
-    linear: function linear(t) {
-      return t;
-    },
-    inQuad: function inQuad(t) {
-      return t * t;
-    },
-    outQuad: function outQuad(t) {
-      return t * (2 - t);
-    },
-    inOutQuad: function inOutQuad(t) {
-      return t < .5 ? 2 * t * t : -1 + (4 - 2 * t) * t;
-    },
-    inCubic: function inCubic(t) {
-      return t * t * t;
-    },
-    outCubic: function outCubic(t) {
-      return --t * t * t + 1;
-    },
-    inOutCubic: function inOutCubic(t) {
-      return t < .5 ? 4 * t * t * t : (t - 1) * (2 * t - 2) * (2 * t - 2) + 1;
-    },
-    inQuart: function inQuart(t) {
-      return t * t * t * t;
-    },
-    outQuart: function outQuart(t) {
-      return 1 - --t * t * t * t;
-    },
-    inOutQuart: function inOutQuart(t) {
-      return t < .5 ? 8 * t * t * t * t : 1 - 8 * --t * t * t * t;
-    },
-    inQuint: function inQuint(t) {
-      return t * t * t * t * t;
-    },
-    outQuint: function outQuint(t) {
-      return 1 + --t * t * t * t * t;
-    },
-    inOutQuint: function inOutQuint(t) {
-      return t < .5 ? 16 * t * t * t * t * t : 1 + 16 * --t * t * t * t * t;
-    },
-    inSine: function inSine(t) {
-      return 1 - Math.cos(t * (Math.PI / 2));
-    },
-    outSine: function outSine(t) {
-      return Math.sin(t * (Math.PI / 2));
-    },
-    inOutSine: function inOutSine(t) {
-      return .5 - .5 * Math.cos(Math.PI * t);
-    },
-    inExpo: function inExpo(t) {
-      return Math.pow(2, 10 * (t - 1));
-    },
-    outExpo: function outExpo(t) {
-      return 1 - Math.pow(2, -10 * t);
-    },
-    inOutExpo: function inOutExpo(t) {
-      return (t = t * 2 - 1) < 0 ? .5 * Math.pow(2, 10 * t) : 1 - .5 * Math.pow(2, -10 * t);
-    },
-    inCirc: function inCirc(t) {
-      return 1 - Math.sqrt(1 - t * t);
-    },
-    outCirc: function outCirc(t) {
-      return Math.sqrt(1 - (t - 1) * (t - 1));
-    },
-    inOutCirc: function inOutCirc(t) {
-      return (t *= 2) < 1 ? .5 - .5 * Math.sqrt(1 - t * t) : .5 + .5 * Math.sqrt(1 - (t -= 2) * t);
-    }
-  }; // @formatter:on
-
-  /* eslint-enable */
-
-  /**
-   * @summary Subset of key codes
-   * @memberOf PSV.constants
-   * @type {Object<string, string>}
-   * @constant
-   */
-
-  var KEY_CODES = {
-    Enter: 'Enter',
-    Control: 'Control',
-    Escape: 'Escape',
-    Space: ' ',
-    PageUp: 'PageUp',
-    PageDown: 'PageDown',
-    ArrowLeft: 'ArrowLeft',
-    ArrowUp: 'ArrowUp',
-    ArrowRight: 'ArrowRight',
-    ArrowDown: 'ArrowDown',
-    Delete: 'Delete',
-    Plus: '+',
-    Minus: '-'
-  };
-
-  var constants = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    DEFAULT_TRANSITION: DEFAULT_TRANSITION,
-    MOVE_THRESHOLD: MOVE_THRESHOLD,
-    DBLCLICK_DELAY: DBLCLICK_DELAY,
-    LONGTOUCH_DELAY: LONGTOUCH_DELAY,
-    TWOFINGERSOVERLAY_DELAY: TWOFINGERSOVERLAY_DELAY,
-    CTRLZOOM_TIMEOUT: CTRLZOOM_TIMEOUT,
-    INERTIA_WINDOW: INERTIA_WINDOW,
-    SPHERE_RADIUS: SPHERE_RADIUS,
-    VIEWER_DATA: VIEWER_DATA,
-    MESH_USER_DATA: MESH_USER_DATA,
-    ACTIONS: ACTIONS,
-    EVENTS: EVENTS,
-    CHANGE_EVENTS: CHANGE_EVENTS,
-    OBJECT_EVENTS: OBJECT_EVENTS,
-    IDS: IDS,
-    EASINGS: EASINGS,
-    KEY_CODES: KEY_CODES
-  });
-
-  var LOCALSTORAGE_TOUCH_SUPPORT = VIEWER_DATA + "_touchSupport";
-  /**
-   * @summary General information about the system
-   * @constant
-   * @memberOf PSV
-   * @property {boolean} loaded - Indicates if the system data has been loaded
-   * @property {Function} load - Loads the system if not already loaded
-   * @property {number} pixelRatio
-   * @property {boolean} isWebGLSupported
-   * @property {number} maxCanvasWidth
-   * @property {string} mouseWheelEvent
-   * @property {string} fullscreenEvent
-   * @property {Function} getMaxCanvasWidth - Returns the max width of a canvas allowed by the browser
-   * @property {{initial: boolean, promise: Promise<boolean>}} isTouchEnabled
-   */
-
-  var SYSTEM = {
-    loaded: false,
-    pixelRatio: 1,
-    isWebGLSupported: false,
-    isTouchEnabled: null,
-    maxTextureWidth: 0,
-    mouseWheelEvent: null,
-    fullscreenEvent: null
-  };
-  /**
-   * @summary Loads the system if not already loaded
-   */
-
-  SYSTEM.load = function () {
-    if (!SYSTEM.loaded) {
-      var ctx = getWebGLCtx();
-      SYSTEM.loaded = true;
-      SYSTEM.pixelRatio = window.devicePixelRatio || 1;
-      SYSTEM.isWebGLSupported = ctx != null;
-      SYSTEM.isTouchEnabled = isTouchEnabled();
-      SYSTEM.maxTextureWidth = getMaxTextureWidth(ctx);
-      SYSTEM.mouseWheelEvent = getMouseWheelEvent();
-      SYSTEM.fullscreenEvent = getFullscreenEvent();
-    }
-  };
-
-  var maxCanvasWidth = null;
-
-  SYSTEM.getMaxCanvasWidth = function () {
-    if (maxCanvasWidth === null) {
-      maxCanvasWidth = getMaxCanvasWidth(SYSTEM.maxTextureWidth);
-    }
-
-    return maxCanvasWidth;
-  };
-  /**
-   * @summary Tries to return a canvas webgl context
-   * @returns {WebGLRenderingContext}
-   * @private
-   */
-
-
-  function getWebGLCtx() {
-    var canvas = document.createElement('canvas');
-    var names = ['webgl', 'experimental-webgl', 'moz-webgl', 'webkit-3d'];
-    var context = null;
-
-    if (!canvas.getContext) {
-      return null;
-    }
-
-    if (names.some(function (name) {
-      try {
-        context = canvas.getContext(name);
-        return context !== null;
-      } catch (e) {
-        return false;
-      }
-    })) {
-      return context;
-    } else {
-      return null;
-    }
-  }
-  /**
-   * @summary Detects if the user is using a touch screen
-   * @returns {{initial: boolean, promise: Promise<boolean>}}
-   * @private
-   */
-
-
-  function isTouchEnabled() {
-    var initial = 'ontouchstart' in window || navigator.maxTouchPoints > 0;
-
-    if (LOCALSTORAGE_TOUCH_SUPPORT in localStorage) {
-      initial = localStorage[LOCALSTORAGE_TOUCH_SUPPORT] === 'true';
-    }
-
-    var promise = new Promise(function (resolve) {
-      var clear;
-
-      var listenerMouse = function listenerMouse() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = false;
-        resolve(false);
-      };
-
-      var listenerTouch = function listenerTouch() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = true;
-        resolve(true);
-      };
-
-      var listenerTimeout = function listenerTimeout() {
-        clear();
-        localStorage[LOCALSTORAGE_TOUCH_SUPPORT] = initial;
-        resolve(initial);
-      };
-
-      window.addEventListener('mousedown', listenerMouse, false);
-      window.addEventListener('touchstart', listenerTouch, false);
-      var listenerTimeoutId = setTimeout(listenerTimeout, 10000);
-
-      clear = function clear() {
-        window.removeEventListener('mousedown', listenerMouse);
-        window.removeEventListener('touchstart', listenerTouch);
-        clearTimeout(listenerTimeoutId);
-      };
-    });
-    return {
-      initial: initial,
-      promise: promise
-    };
-  }
-  /**
-   * @summary Gets max texture width in WebGL context
-   * @returns {number}
-   * @private
-   */
-
-
-  function getMaxTextureWidth(ctx) {
-    if (ctx !== null) {
-      return ctx.getParameter(ctx.MAX_TEXTURE_SIZE);
-    } else {
-      return 0;
-    }
-  }
-  /**
-   * @summary Gets max canvas width supported by the browser.
-   * We only test powers of 2 and height = width / 2 because that's what we need to generate WebGL textures
-   * @param maxWidth
-   * @return {number}
-   * @private
-   */
-
-
-  function getMaxCanvasWidth(maxWidth) {
-    var canvas = document.createElement('canvas');
-    var ctx = canvas.getContext('2d');
-    canvas.width = maxWidth;
-    canvas.height = maxWidth / 2;
-
-    while (canvas.width > 1024) {
-      ctx.fillStyle = 'white';
-      ctx.fillRect(0, 0, 1, 1);
-
-      try {
-        if (ctx.getImageData(0, 0, 1, 1).data[0] > 0) {
-          return canvas.width;
-        }
-      } catch (e) {// continue
-      }
-
-      canvas.width /= 2;
-      canvas.height /= 2;
-    }
-
-    throw new PSVError('Unable to detect system capabilities');
-  }
-  /**
-   * @summary Gets the event name for mouse wheel
-   * @returns {string}
-   * @private
-   */
-
-
-  function getMouseWheelEvent() {
-    if ('onwheel' in document.createElement('div')) {
-      // Modern browsers support "wheel"
-      return 'wheel';
-    } else if (document.onmousewheel !== undefined) {
-      // Webkit and IE support at least "mousewheel"
-      return 'mousewheel';
-    } else {
-      // let's assume that remaining browsers are older Firefox
-      return 'DOMMouseScroll';
-    }
-  }
-  /**
-   * @summary Map between fullsceen method and fullscreen event name
-   * @type {Object<string, string>}
-   * @readonly
-   * @private
-   */
-
-
-  var FULLSCREEN_EVT_MAP = {
-    exitFullscreen: 'fullscreenchange',
-    webkitExitFullscreen: 'webkitfullscreenchange',
-    mozCancelFullScreen: 'mozfullscreenchange',
-    msExitFullscreen: 'MSFullscreenChange'
-  };
-  /**
-   * @summary  Gets the event name for fullscreen
-   * @returns {string}
-   * @private
-   */
-
-  function getFullscreenEvent() {
-    var validExits = Object.keys(FULLSCREEN_EVT_MAP).filter(function (exit) {
-      return exit in document;
-    });
-
-    if (validExits.length) {
-      return FULLSCREEN_EVT_MAP[validExits[0]];
-    } else {
-      return null;
-    }
-  }
-
-  /**
-   * @summary Toggles a CSS class
-   * @memberOf PSV.utils
-   * @param {HTMLElement|SVGElement} element
-   * @param {string} className
-   * @param {boolean} [active] - forced state
-   */
-  function toggleClass(element, className, active) {
-    if (active === undefined) {
-      element.classList.toggle(className);
-    } else if (active) {
-      element.classList.add(className);
-    } else if (!active) {
-      element.classList.remove(className);
-    }
-  }
-  /**
-   * @summary Adds one or several CSS classes to an element
-   * @memberOf PSV.utils
-   * @param {HTMLElement} element
-   * @param {string} className
-   */
-
-  function addClasses(element, className) {
-    var _element$classList;
-
-    (_element$classList = element.classList).add.apply(_element$classList, className.split(' '));
-  }
-  /**
-   * @summary Removes one or several CSS classes to an element
-   * @memberOf PSV.utils
-   * @param {HTMLElement} element
-   * @param {string} className
-   */
-
-  function removeClasses(element, className) {
-    var _element$classList2;
-
-    (_element$classList2 = element.classList).remove.apply(_element$classList2, className.split(' '));
-  }
-  /**
-   * @summary Searches if an element has a particular parent at any level including itself
-   * @memberOf PSV.utils
-   * @param {HTMLElement} el
-   * @param {HTMLElement} parent
-   * @returns {boolean}
-   */
-
-  function hasParent(el, parent) {
-    var test = el;
-
-    do {
-      if (test === parent) {
-        return true;
-      }
-
-      test = test.parentNode;
-    } while (test);
-
-    return false;
-  }
-  /**
-   * @summary Gets the closest parent (can by itself)
-   * @memberOf PSV.utils
-   * @param {HTMLElement|SVGElement} el
-   * @param {string} selector
-   * @returns {HTMLElement}
-   */
-
-  function getClosest(el, selector) {
-    // When el is document or window, the matches does not exist
-    if (!el.matches) {
-      return null;
-    }
-
-    var test = el;
-
-    do {
-      if (test.matches(selector)) {
-        return test;
-      }
-
-      test = test instanceof SVGElement ? test.parentNode : test.parentElement;
-    } while (test);
-
-    return null;
-  }
-  /**
-   * @summary Gets the position of an element in the viewer without reflow
-   * @description Will gives the same result as getBoundingClientRect() as soon as there are no CSS transforms
-   * @memberOf PSV.utils
-   * @param {HTMLElement} el
-   * @return {{left: number, top: number}}
-   */
-
-  function getPosition(el) {
-    var left = 0;
-    var top = 0;
-    var test = el;
-
-    while (test) {
-      left += test.offsetLeft - test.scrollLeft + test.clientLeft;
-      top += test.offsetTop - test.scrollTop + test.clientTop;
-      test = test.offsetParent;
-    }
-
-    return {
-      left: left,
-      top: top
-    };
-  }
-  /**
-   * @summary Detects if fullscreen is enabled
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   * @returns {boolean}
-   */
-
-  function isFullscreenEnabled(elt) {
-    return (document.fullscreenElement || document.webkitFullscreenElement) === elt;
-  }
-  /**
-   * @summary Enters fullscreen mode
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   */
-
-  function requestFullscreen(elt) {
-    (elt.requestFullscreen || elt.webkitRequestFullscreen).call(elt);
-  }
-  /**
-   * @summary Exits fullscreen mode
-   * @memberOf PSV.utils
-   */
-
-  function exitFullscreen() {
-    (document.exitFullscreen || document.webkitExitFullscreen).call(document);
-  }
-  /**
-   * @summary Gets an element style
-   * @memberOf PSV.utils
-   * @param {HTMLElement} elt
-   * @param {string} prop
-   * @returns {*}
-   */
-
-  function getStyle(elt, prop) {
-    return window.getComputedStyle(elt, null)[prop];
-  }
-  /**
-   * @summary Normalize mousewheel values accross browsers
-   * @memberOf PSV.utils
-   * @description From Facebook's Fixed Data Table
-   * {@link https://github.com/facebookarchive/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js}
-   * @copyright Facebook
-   * @param {WheelEvent} event
-   * @returns {{spinX: number, spinY: number, pixelX: number, pixelY: number}}
-   */
-
-  function normalizeWheel(event) {
-    var PIXEL_STEP = 10;
-    var LINE_HEIGHT = 40;
-    var PAGE_HEIGHT = 800;
-    var spinX = 0;
-    var spinY = 0;
-    var pixelX = 0;
-    var pixelY = 0; // Legacy
-
-    if ('detail' in event) {
-      spinY = event.detail;
-    }
-
-    if ('wheelDelta' in event) {
-      spinY = -event.wheelDelta / 120;
-    }
-
-    if ('wheelDeltaY' in event) {
-      spinY = -event.wheelDeltaY / 120;
-    }
-
-    if ('wheelDeltaX' in event) {
-      spinX = -event.wheelDeltaX / 120;
-    } // side scrolling on FF with DOMMouseScroll
-
-
-    if ('axis' in event && event.axis === event.HORIZONTAL_AXIS) {
-      spinX = spinY;
-      spinY = 0;
-    }
-
-    pixelX = spinX * PIXEL_STEP;
-    pixelY = spinY * PIXEL_STEP;
-
-    if ('deltaY' in event) {
-      pixelY = event.deltaY;
-    }
-
-    if ('deltaX' in event) {
-      pixelX = event.deltaX;
-    }
-
-    if ((pixelX || pixelY) && event.deltaMode) {
-      // delta in LINE units
-      if (event.deltaMode === 1) {
-        pixelX *= LINE_HEIGHT;
-        pixelY *= LINE_HEIGHT;
-      } // delta in PAGE units
-      else {
-        pixelX *= PAGE_HEIGHT;
-        pixelY *= PAGE_HEIGHT;
-      }
-    } // Fall-back if spin cannot be determined
-
-
-    if (pixelX && !spinX) {
-      spinX = pixelX < 1 ? -1 : 1;
-    }
-
-    if (pixelY && !spinY) {
-      spinY = pixelY < 1 ? -1 : 1;
-    }
-
-    return {
-      spinX: spinX,
-      spinY: spinY,
-      pixelX: pixelX,
-      pixelY: pixelY
-    };
-  }
-
-  /**
-   * @deprecated use THREE.MathUtils.clamp
-   */
-
-  function bound(x, min, max) {
-    return three.MathUtils.clamp(x, min, max);
-  }
-  /**
-   * @summary Ensure a value is within 0 and `max`
-   * @param {number} value
-   * @param {number} max
-   * @return {number}
-   */
-
-  function loop(value, max) {
-    var result = value % max;
-
-    if (result < 0) {
-      result += max;
-    }
-
-    return result;
-  }
-  /**
-   * @deprecated Use THREE.MathUtils.isPowerOfTwo
-   */
-
-  function isPowerOfTwo(x) {
-    return three.MathUtils.isPowerOfTwo(x);
-  }
-  /**
-   * @summary Computes the sum of an array
-   * @memberOf PSV.utils
-   * @param {number[]} array
-   * @returns {number}
-   */
-
-  function sum(array) {
-    return array.reduce(function (a, b) {
-      return a + b;
-    }, 0);
-  }
-  /**
-   * @summary Computes the distance between two points
-   * @memberOf PSV.utils
-   * @param {PSV.Point} p1
-   * @param {PSV.Point} p2
-   * @returns {number}
-   */
-
-  function distance(p1, p2) {
-    return Math.sqrt(Math.pow(p1.x - p2.x, 2) + Math.pow(p1.y - p2.y, 2));
-  }
-  /**
-   * @summary Compute the shortest offset between two longitudes
-   * @memberOf PSV.utils
-   * @param {number} from
-   * @param {number} to
-   * @returns {number}
-   */
-
-  function getShortestArc(from, to) {
-    var tCandidates = [0, // direct
-    Math.PI * 2, // clock-wise cross zero
-    -Math.PI * 2 // counter-clock-wise cross zero
-    ];
-    return tCandidates.reduce(function (value, candidate) {
-      var newCandidate = to - from + candidate;
-      return Math.abs(newCandidate) < Math.abs(value) ? newCandidate : value;
-    }, Infinity);
-  }
-  /**
-   * @summary Computes the angle between the current position and a target position
-   * @memberOf PSV.utils
-   * @param {PSV.Position} position1
-   * @param {PSV.Position} position2
-   * @returns {number}
-   */
-
-  function getAngle(position1, position2) {
-    return Math.acos(Math.cos(position1.latitude) * Math.cos(position2.latitude) * Math.cos(position1.longitude - position2.longitude) + Math.sin(position1.latitude) * Math.sin(position2.latitude));
-  }
-  /**
-   * @summary Returns the distance between two points on a sphere of radius one
-   * {@link http://www.movable-type.co.uk/scripts/latlong.html}
-   * @memberOf PSV.utils
-   * @param {number[]} p1
-   * @param {number[]} p2
-   * @returns {number}
-   */
-
-  function greatArcDistance(p1, p2) {
-    var λ1 = p1[0],
-        φ1 = p1[1];
-    var λ2 = p2[0],
-        φ2 = p2[1];
-    var x = (λ2 - λ1) * Math.cos((φ1 + φ2) / 2);
-    var y = φ2 - φ1;
-    return Math.sqrt(x * x + y * y);
-  }
-
-  /**
-   * @summary Transforms a string to dash-case {@link https://github.com/shahata/dasherize}
-   * @memberOf PSV.utils
-   * @param {string} str
-   * @returns {string}
-   */
-  function dasherize(str) {
-    return str.replace(/[A-Z](?:(?=[^A-Z])|[A-Z]*(?=[A-Z][^A-Z]|$))/g, function (s, i) {
-      return (i > 0 ? '-' : '') + s.toLowerCase();
-    });
-  }
-  /**
-   * @summary Returns a function, that, when invoked, will only be triggered at most once during a given window of time.
-   * @memberOf PSV.utils
-   * @copyright underscore.js - modified by Clément Prévost {@link http://stackoverflow.com/a/27078401}
-   * @param {Function} func
-   * @param {number} wait
-   * @returns {Function}
-   */
-
-  function throttle(func, wait) {
-    /* eslint-disable */
-    var self, args, result;
-    var timeout;
-    var previous = 0;
-
-    var later = function later() {
-      previous = Date.now();
-      timeout = undefined;
-      result = func.apply(self, args);
-
-      if (!timeout) {
-        self = args = null;
-      }
-    };
-
-    return function () {
-      var now = Date.now();
-
-      if (!previous) {
-        previous = now;
-      }
-
-      var remaining = wait - (now - previous);
-      self = this;
-      args = arguments;
-
-      if (remaining <= 0 || remaining > wait) {
-        if (timeout) {
-          clearTimeout(timeout);
-          timeout = undefined;
-        }
-
-        previous = now;
-        result = func.apply(self, args);
-
-        if (!timeout) {
-          self = args = null;
-        }
-      } else if (!timeout) {
-        timeout = setTimeout(later, remaining);
-      }
-
-      return result;
-    };
-    /* eslint-enable */
-  }
-  /**
-   * @summary Test if an object is a plain object
-   * @memberOf PSV.utils
-   * @description Test if an object is a plain object, i.e. is constructed
-   * by the built-in Object constructor and inherits directly from Object.prototype
-   * or null. Some built-in objects pass the test, e.g. Math which is a plain object
-   * and some host or exotic objects may pass also.
-   * {@link http://stackoverflow.com/a/5878101/1207670}
-   * @param {*} obj
-   * @returns {boolean}
-   */
-
-  function isPlainObject(obj) {
-    // Basic check for Type object that's not null
-    if (typeof obj === 'object' && obj !== null) {
-      // If Object.getPrototypeOf supported, use it
-      if (typeof Object.getPrototypeOf === 'function') {
-        var proto = Object.getPrototypeOf(obj);
-        return proto === Object.prototype || proto === null;
-      } // Otherwise, use internal class
-      // This should be reliable as if getPrototypeOf not supported, is pre-ES5
-
-
-      return Object.prototype.toString.call(obj) === '[object Object]';
-    } // Not an object
-
-
-    return false;
-  }
-  /**
-   * @summary Merges the enumerable attributes of two objects
-   * @memberOf PSV.utils
-   * @description Replaces arrays and alters the target object.
-   * @copyright Nicholas Fisher <nfisher110@gmail.com>
-   * @param {Object} target
-   * @param {Object} src
-   * @returns {Object} target
-   */
-
-  function deepmerge(target, src) {
-    /* eslint-disable */
-    var first = src;
-    return function merge(target, src) {
-      if (Array.isArray(src)) {
-        if (!target || !Array.isArray(target)) {
-          target = [];
-        } else {
-          target.length = 0;
-        }
-
-        src.forEach(function (e, i) {
-          target[i] = merge(null, e);
-        });
-      } else if (typeof src === 'object') {
-        if (!target || Array.isArray(target)) {
-          target = {};
-        }
-
-        Object.keys(src).forEach(function (key) {
-          if (typeof src[key] !== 'object' || !src[key] || !isPlainObject(src[key])) {
-            target[key] = src[key];
-          } else if (src[key] != first) {
-            if (!target[key]) {
-              target[key] = merge(null, src[key]);
-            } else {
-              merge(target[key], src[key]);
-            }
-          }
-        });
-      } else {
-        target = src;
-      }
-
-      return target;
-    }(target, src);
-    /* eslint-enable */
-  }
-  /**
-   * @summary Deeply clones an object
-   * @memberOf PSV.utils
-   * @param {Object} src
-   * @returns {Object}
-   */
-
-  function clone(src) {
-    return deepmerge(null, src);
-  }
-  /**
-   * @summery Test of an object is empty
-   * @memberOf PSV.utils
-   * @param {object} obj
-   * @returns {boolean}
-   */
-
-  function isEmpty(obj) {
-    return !obj || Object.keys(obj).length === 0 && obj.constructor === Object;
-  }
-  /**
-   * @summary Loops over enumerable properties of an object
-   * @memberOf PSV.utils
-   * @param {Object} object
-   * @param {Function} callback
-   */
-
-  function each(object, callback) {
-    Object.keys(object).forEach(function (key) {
-      callback(object[key], key);
-    });
-  }
-  /**
-   * @summary Returns if a valu is null or undefined
-   * @memberOf PSV.utils
-   * @param {*} val
-   * @return {boolean}
-   */
-
-  function isNil(val) {
-    return val === null || val === undefined;
-  }
-  /**
-   * @summary Returns the first non null non undefined parameter
-   * @memberOf PSV.utils
-   * @param {*} values
-   * @return {*}
-   */
-
-  function firstNonNull() {
-    for (var _len = arguments.length, values = new Array(_len), _key = 0; _key < _len; _key++) {
-      values[_key] = arguments[_key];
-    }
-
-    for (var _i = 0, _values = values; _i < _values.length; _i++) {
-      var val = _values[_i];
-
-      if (!isNil(val)) {
-        return val;
-      }
-    }
-
-    return undefined;
-  }
-  /**
-   * @summary Returns deep equality between objects
-   * {@link https://gist.github.com/egardner/efd34f270cc33db67c0246e837689cb9}
-   * @param obj1
-   * @param obj2
-   * @return {boolean}
-   * @private
-   */
-
-  function deepEqual(obj1, obj2) {
-    if (obj1 === obj2) {
-      return true;
-    } else if (isObject(obj1) && isObject(obj2)) {
-      if (Object.keys(obj1).length !== Object.keys(obj2).length) {
-        return false;
-      }
-
-      for (var _i2 = 0, _Object$keys = Object.keys(obj1); _i2 < _Object$keys.length; _i2++) {
-        var prop = _Object$keys[_i2];
-
-        if (!deepEqual(obj1[prop], obj2[prop])) {
-          return false;
-        }
-      }
-
-      return true;
-    } else {
-      return false;
-    }
-  }
-
-  function isObject(obj) {
-    return typeof obj === 'object' && obj != null;
-  }
-
-  /**
-   * @summary Returns the plugin constructor from the imported object
-   * For retrocompatibility with previous default exports
-   * @memberOf PSV.utils
-   * @package
-   */
-
-  function pluginInterop(plugin, target) {
-    if (plugin) {
-      for (var _i = 0, _arr = [['_', plugin]].concat(Object.entries(plugin)); _i < _arr.length; _i++) {
-        var _arr$_i = _arr[_i],
-            p = _arr$_i[1];
-
-        if (p.prototype instanceof target) {
-          return p;
-        }
-      }
-    }
-
-    return null;
-  }
-  /**
-   * @summary Builds an Error with name 'AbortError'
-   * @memberOf PSV.utils
-   * @return {Error}
-   */
-
-  function getAbortError() {
-    var error = new Error('Loading was aborted.');
-    error.name = 'AbortError';
-    return error;
-  }
-  /**
-   * @summary Tests if an Error has name 'AbortError'
-   * @memberOf PSV.utils
-   * @param {Error} err
-   * @return {boolean}
-   */
-
-  function isAbortError(err) {
-    return (err == null ? void 0 : err.name) === 'AbortError';
-  }
-  /**
-   * @summary Displays a warning in the console
-   * @memberOf PSV.utils
-   * @param {string} message
-   */
-
-  function logWarn(message) {
-    console.warn("PhotoSphereViewer: " + message);
-  }
-  /**
-   * @summary Checks if an object is a {PSV.ExtendedPosition}, ie has x/y or longitude/latitude
-   * @memberOf PSV.utils
-   * @param {object} object
-   * @returns {boolean}
-   */
-
-  function isExtendedPosition(object) {
-    return [['x', 'y'], ['longitude', 'latitude']].some(function (_ref) {
-      var key1 = _ref[0],
-          key2 = _ref[1];
-      return object[key1] !== undefined && object[key2] !== undefined;
-    });
-  }
-  /**
-   * @summary Returns the value of a given attribute in the panorama metadata
-   * @memberOf PSV.utils
-   * @param {string} data
-   * @param {string} attr
-   * @returns (number)
-   */
-
-  function getXMPValue(data, attr) {
-    // XMP data are stored in children
-    var result = data.match('<GPano:' + attr + '>(.*)</GPano:' + attr + '>');
-
-    if (result !== null) {
-      var val = parseInt(result[1], 10);
-      return isNaN(val) ? null : val;
-    } // XMP data are stored in attributes
-
-
-    result = data.match('GPano:' + attr + '="(.*?)"');
-
-    if (result !== null) {
-      var _val = parseInt(result[1], 10);
-
-      return isNaN(_val) ? null : _val;
-    }
-
-    return null;
-  }
-  /**
-   * @readonly
-   * @private
-   * @type {{top: string, left: string, bottom: string, center: string, right: string}}
-   */
-
-  var CSS_POSITIONS = {
-    top: '0%',
-    bottom: '100%',
-    left: '0%',
-    right: '100%',
-    center: '50%'
-  };
-  /**
-   * @summary Translate CSS values like "top center" or "10% 50%" as top and left positions
-   * @memberOf PSV.utils
-   * @description The implementation is as close as possible to the "background-position" specification
-   * {@link https://developer.mozilla.org/en-US/docs/Web/CSS/background-position}
-   * @param {string|PSV.Point} value
-   * @returns {PSV.Point}
-   */
-
-  function parsePosition(value) {
-    if (!value) {
-      return {
-        x: 0.5,
-        y: 0.5
-      };
-    }
-
-    if (typeof value === 'object') {
-      return value;
-    }
-
-    var tokens = value.toLocaleLowerCase().split(' ').slice(0, 2);
-
-    if (tokens.length === 1) {
-      if (CSS_POSITIONS[tokens[0]] !== undefined) {
-        tokens = [tokens[0], 'center'];
-      } else {
-        tokens = [tokens[0], tokens[0]];
-      }
-    }
-
-    var xFirst = tokens[1] !== 'left' && tokens[1] !== 'right' && tokens[0] !== 'top' && tokens[0] !== 'bottom';
-    tokens = tokens.map(function (token) {
-      return CSS_POSITIONS[token] || token;
-    });
-
-    if (!xFirst) {
-      tokens.reverse();
-    }
-
-    var parsed = tokens.join(' ').match(/^([0-9.]+)% ([0-9.]+)%$/);
-
-    if (parsed) {
-      return {
-        x: parseFloat(parsed[1]) / 100,
-        y: parseFloat(parsed[2]) / 100
-      };
-    } else {
-      return {
-        x: 0.5,
-        y: 0.5
-      };
-    }
-  }
-  /**
-   * @readonly
-   * @private
-   */
-
-  var LEFT_MAP = {
-    0: 'left',
-    0.5: 'center',
-    1: 'right'
-  };
-  /**
-   * @readonly
-   * @private
-   */
-
-  var TOP_MAP = {
-    0: 'top',
-    0.5: 'center',
-    1: 'bottom'
-  };
-  /**
-   * @summary Parse a CSS-like position into an array of position keywords among top, bottom, left, right and center
-   * @memberOf PSV.utils
-   * @param {string | string[]} value
-   * @param {boolean} [allowCenter=true]
-   * @return {string[]}
-   */
-
-  function cleanPosition(value, allowCenter) {
-    if (allowCenter === void 0) {
-      allowCenter = true;
-    }
-
-    if (typeof value === 'string') {
-      var tempPos = parsePosition(value);
-
-      if (!(tempPos.x in LEFT_MAP) || !(tempPos.y in TOP_MAP)) {
-        throw new PSVError("Unable to parse position \"" + value + "\"");
-      }
-
-      value = [TOP_MAP[tempPos.y], LEFT_MAP[tempPos.x]];
-    }
-
-    if (!allowCenter && value[0] === 'center' && value[1] === 'center') {
-      throw new PSVError('Unable to parse position "center center"');
-    }
-
-    return value;
-  }
-  /**
-   * @summary Parses an speed
-   * @memberOf PSV.utils
-   * @param {string|number} speed - The speed, in radians/degrees/revolutions per second/minute
-   * @returns {number} radians per second
-   * @throws {PSV.PSVError} when the speed cannot be parsed
-   */
-
-  function parseSpeed(speed) {
-    var parsed;
-
-    if (typeof speed === 'string') {
-      var speedStr = speed.toString().trim(); // Speed extraction
-
-      var speedValue = parseFloat(speedStr.replace(/^(-?[0-9]+(?:\.[0-9]*)?).*$/, '$1'));
-      var speedUnit = speedStr.replace(/^-?[0-9]+(?:\.[0-9]*)?(.*)$/, '$1').trim(); // "per minute" -> "per second"
-
-      if (speedUnit.match(/(pm|per minute)$/)) {
-        speedValue /= 60;
-      } // Which unit?
-
-
-      switch (speedUnit) {
-        // Degrees per minute / second
-        case 'dpm':
-        case 'degrees per minute':
-        case 'dps':
-        case 'degrees per second':
-          parsed = three.MathUtils.degToRad(speedValue);
-          break;
-        // Radians per minute / second
-
-        case 'rdpm':
-        case 'radians per minute':
-        case 'rdps':
-        case 'radians per second':
-          parsed = speedValue;
-          break;
-        // Revolutions per minute / second
-
-        case 'rpm':
-        case 'revolutions per minute':
-        case 'rps':
-        case 'revolutions per second':
-          parsed = speedValue * Math.PI * 2;
-          break;
-        // Unknown unit
-
-        default:
-          throw new PSVError('Unknown speed unit "' + speedUnit + '"');
-      }
-    } else {
-      parsed = speed;
-    }
-
-    return parsed;
-  }
-  /**
-   * @summary Parses an angle value in radians or degrees and returns a normalized value in radians
-   * @memberOf PSV.utils
-   * @param {string|number} angle - eg: 3.14, 3.14rad, 180deg
-   * @param {boolean} [zeroCenter=false] - normalize between -Pi - Pi instead of 0 - 2*Pi
-   * @param {boolean} [halfCircle=zeroCenter] - normalize between -Pi/2 - Pi/2 instead of -Pi - Pi
-   * @returns {number}
-   * @throws {PSV.PSVError} when the angle cannot be parsed
-   */
-
-  function parseAngle(angle, zeroCenter, halfCircle) {
-    if (zeroCenter === void 0) {
-      zeroCenter = false;
-    }
-
-    if (halfCircle === void 0) {
-      halfCircle = zeroCenter;
-    }
-
-    var parsed;
-
-    if (typeof angle === 'string') {
-      var match = angle.toLowerCase().trim().match(/^(-?[0-9]+(?:\.[0-9]*)?)(.*)$/);
-
-      if (!match) {
-        throw new PSVError('Unknown angle "' + angle + '"');
-      }
-
-      var value = parseFloat(match[1]);
-      var unit = match[2];
-
-      if (unit) {
-        switch (unit) {
-          case 'deg':
-          case 'degs':
-            parsed = three.MathUtils.degToRad(value);
-            break;
-
-          case 'rad':
-          case 'rads':
-            parsed = value;
-            break;
-
-          default:
-            throw new PSVError('Unknown angle unit "' + unit + '"');
-        }
-      } else {
-        parsed = value;
-      }
-    } else if (typeof angle === 'number' && !isNaN(angle)) {
-      parsed = angle;
-    } else {
-      throw new PSVError('Unknown angle "' + angle + '"');
-    }
-
-    parsed = loop(zeroCenter ? parsed + Math.PI : parsed, Math.PI * 2);
-    return zeroCenter ? three.MathUtils.clamp(parsed - Math.PI, -Math.PI / (halfCircle ? 2 : 1), Math.PI / (halfCircle ? 2 : 1)) : parsed;
-  }
-  /**
-   * @summary Creates a THREE texture from an image
-   * @memberOf PSV.utils
-   * @param {HTMLImageElement | HTMLCanvasElement} img
-   * @return {external:THREE.Texture}
-   */
-
-  function createTexture(img) {
-    var texture = new three.Texture(img);
-    texture.needsUpdate = true;
-    texture.minFilter = three.LinearFilter;
-    texture.generateMipmaps = false;
-    return texture;
-  }
-  var quaternion = new three.Quaternion();
-  /**
-   * @summary Applies the inverse of Euler angles to a vector
-   * @memberOf PSV.utils
-   * @param {external:THREE.Vector3} vector
-   * @param {external:THREE.Euler} euler
-   */
-
-  function applyEulerInverse(vector, euler) {
-    quaternion.setFromEuler(euler).invert();
-    vector.applyQuaternion(quaternion);
-  }
-
-  /**
-   * @callback OnTick
-   * @summary Function called for each animation frame with computed properties
-   * @memberOf PSV.utils.Animation
-   * @param {Object.<string, number>} properties - current values
-   * @param {float} progress - 0 to 1
-   */
-
-  /**
-   * @summary Interpolation helper for animations
-   * @memberOf PSV.utils
-   * @description
-   * Implements the Promise API with an additional "cancel" method.
-   * The promise is resolved with `true` when the animation is completed and `false` if the animation is cancelled.
-   * @example
-   * const anim = new Animation({
-   *     properties: {
-   *         width: {start: 100, end: 200}
-   *     },
-   *     duration: 5000,
-   *     onTick: (properties) => element.style.width = `${properties.width}px`;
-   * });
-   *
-   * anim.then((completed) => ...);
-   *
-   * anim.cancel()
-   */
-
-  var Animation = /*#__PURE__*/function () {
-    /**
-     * @param {Object} options
-     * @param {Object.<string, Object>} options.properties
-     * @param {number} options.properties[].start
-     * @param {number} options.properties[].end
-     * @param {number} options.duration
-     * @param {number} [options.delay=0]
-     * @param {string} [options.easing='linear']
-     * @param {PSV.utils.Animation.OnTick} options.onTick - called on each frame
-     */
-    function Animation(options) {
-      var _this = this;
-
-      this.__callbacks = [];
-
-      if (options) {
-        if (!options.easing || typeof options.easing === 'string') {
-          options.easing = EASINGS[options.easing || 'linear'];
-        }
-
-        this.__start = null;
-        this.options = options;
-
-        if (options.delay) {
-          this.__delayTimeout = setTimeout(function () {
-            _this.__delayTimeout = null;
-            _this.__animationFrame = window.requestAnimationFrame(function (t) {
-              return _this.__run(t);
-            });
-          }, options.delay);
-        } else {
-          this.__animationFrame = window.requestAnimationFrame(function (t) {
-            return _this.__run(t);
-          });
-        }
-      } else {
-        this.__resolved = true;
-      }
-    }
-    /**
-     * @summary Main loop for the animation
-     * @param {number} timestamp
-     * @private
-     */
-
-
-    var _proto = Animation.prototype;
-
-    _proto.__run = function __run(timestamp) {
-      var _this2 = this;
-
-      // first iteration
-      if (this.__start === null) {
-        this.__start = timestamp;
-      } // compute progress
-
-
-      var progress = (timestamp - this.__start) / this.options.duration;
-      var current = {};
-
-      if (progress < 1.0) {
-        // interpolate properties
-        each(this.options.properties, function (prop, name) {
-          if (prop) {
-            current[name] = prop.start + (prop.end - prop.start) * _this2.options.easing(progress);
-          }
-        });
-        this.options.onTick(current, progress);
-        this.__animationFrame = window.requestAnimationFrame(function (t) {
-          return _this2.__run(t);
-        });
-      } else {
-        // call onTick one last time with final values
-        each(this.options.properties, function (prop, name) {
-          if (prop) {
-            current[name] = prop.end;
-          }
-        });
-        this.options.onTick(current, 1.0);
-        this.__animationFrame = window.requestAnimationFrame(function () {
-          _this2.__resolved = true;
-
-          _this2.__resolve(true);
-        });
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__resolve = function __resolve(value) {
-      this.__callbacks.forEach(function (cb) {
-        return cb(value);
-      });
-
-      this.__callbacks.length = 0;
-    }
-    /**
-     * @summary Promise chaining
-     * @param {Function} [onFulfilled] - Called when the animation is complete (true) or cancelled (false)
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.then = function then(onFulfilled) {
-      var _this3 = this;
-
-      if (this.__resolved || this.__cancelled) {
-        return Promise.resolve(this.__resolved).then(onFulfilled);
-      }
-
-      return new Promise(function (resolve) {
-        _this3.__callbacks.push(resolve);
-      }).then(onFulfilled);
-    }
-    /**
-     * @summary Cancels the animation
-     */
-    ;
-
-    _proto.cancel = function cancel() {
-      if (!this.__cancelled && !this.__resolved) {
-        this.__cancelled = true;
-
-        this.__resolve(false);
-
-        if (this.__delayTimeout) {
-          window.clearTimeout(this.__delayTimeout);
-          this.__delayTimeout = null;
-        }
-
-        if (this.__animationFrame) {
-          window.cancelAnimationFrame(this.__animationFrame);
-          this.__animationFrame = null;
-        }
-      }
-    };
-
-    return Animation;
-  }();
-
-  /**
-   * @summary Represents a variable that can dynamically change with time (using requestAnimationFrame)
-   * @memberOf PSV.utils
-   */
-
-  var Dynamic = /*#__PURE__*/function () {
-    /**
-     * @param {Function} [fn] Callback function
-     * @param {number} [defaultValue] Default position
-     * @param {number} [min] Minimum position
-     * @param {number} [max] Maximum position
-     * @param {boolean} [loopValue] Loop value between min and max
-     */
-    function Dynamic(fn, defaultValue, min, max, loopValue) {
-      if (defaultValue === void 0) {
-        defaultValue = 0;
-      }
-
-      if (min === void 0) {
-        min = -Infinity;
-      }
-
-      if (max === void 0) {
-        max = Infinity;
-      }
-
-      if (loopValue === void 0) {
-        loopValue = false;
-      }
-
-      /**
-       * @type {Function}
-       * @private
-       * @readonly
-       */
-      this.fn = fn;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.mode = Dynamic.STOP;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.speed = 0;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.speedMult = 1;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.currentSpeed = 0;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.target = 0;
-      /**
-       * @type {number}
-       * @readonly
-       */
-
-      this.current = defaultValue;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.min = min;
-      /**
-       * @type {number}
-       * @private
-       */
-
-      this.max = max;
-      /**
-       * @type {boolean}
-       * @private
-       */
-
-      this.loopValue = loopValue;
-
-      if (loopValue && min !== 0) {
-        throw new PSVError('invalid config');
-      }
-
-      if (this.fn) {
-        this.fn(defaultValue);
-      }
-    }
-    /**
-     * Changes base speed
-     * @param {number} speed
-     */
-
-
-    var _proto = Dynamic.prototype;
-
-    _proto.setSpeed = function setSpeed(speed) {
-      this.speed = speed;
-    }
-    /**
-     * Defines the target position
-     * @param {number} position
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.goto = function goto(position, speedMult) {
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      this.mode = Dynamic.POSITION;
-      this.target = this.loopValue ? loop(position, this.max) : three.MathUtils.clamp(position, this.min, this.max);
-      this.speedMult = speedMult;
-    }
-    /**
-     * Increase/decrease the target position
-     * @param {number} step
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.step = function step(_step, speedMult) {
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      if (this.mode !== Dynamic.POSITION) {
-        this.target = this.current;
-      }
-
-      this.goto(this.target + _step, speedMult);
-    }
-    /**
-     * Starts infinite movement
-     * @param {boolean} [invert=false]
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.roll = function roll(invert, speedMult) {
-      if (invert === void 0) {
-        invert = false;
-      }
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      this.mode = Dynamic.INFINITE;
-      this.target = invert ? -Infinity : Infinity;
-      this.speedMult = speedMult;
-    }
-    /**
-     * Stops movement
-     */
-    ;
-
-    _proto.stop = function stop() {
-      this.mode = Dynamic.STOP;
-    }
-    /**
-     * Defines the current position and immediately stops movement
-     * @param {number} value
-     */
-    ;
-
-    _proto.setValue = function setValue(value) {
-      this.target = this.loopValue ? loop(value, this.max) : three.MathUtils.clamp(value, this.min, this.max);
-      this.mode = Dynamic.STOP;
-
-      if (this.target !== this.current) {
-        this.current = this.target;
-
-        if (this.fn) {
-          this.fn(this.current);
-        }
-
-        return true;
-      }
-
-      return false;
-    }
-    /**
-     * @package
-     */
-    ;
-
-    _proto.update = function update(elapsed) {
-      // in position mode switch to stop mode when in the decceleration window
-      if (this.mode === Dynamic.POSITION) {
-        // in loop mode, alter "current" to avoid crossing the origin
-        if (this.loopValue && Math.abs(this.target - this.current) > this.max / 2) {
-          this.current = this.current < this.target ? this.current + this.max : this.current - this.max;
-        }
-
-        var dstStop = this.currentSpeed * this.currentSpeed / (this.speed * this.speedMult * 4);
-
-        if (Math.abs(this.target - this.current) <= dstStop) {
-          this.mode = Dynamic.STOP;
-        }
-      } // compute speed
-
-
-      var targetSpeed = this.mode === Dynamic.STOP ? 0 : this.speed * this.speedMult;
-
-      if (this.target < this.current) {
-        targetSpeed = -targetSpeed;
-      }
-
-      if (this.currentSpeed < targetSpeed) {
-        this.currentSpeed = Math.min(targetSpeed, this.currentSpeed + elapsed / 1000 * this.speed * this.speedMult * 2);
-      } else if (this.currentSpeed > targetSpeed) {
-        this.currentSpeed = Math.max(targetSpeed, this.currentSpeed - elapsed / 1000 * this.speed * this.speedMult * 2);
-      } // compute new position
-
-
-      var next = null;
-
-      if (this.current > this.target && this.currentSpeed) {
-        next = Math.max(this.target, this.current + this.currentSpeed * elapsed / 1000);
-      } else if (this.current < this.target && this.currentSpeed) {
-        next = Math.min(this.target, this.current + this.currentSpeed * elapsed / 1000);
-      } // apply value
-
-
-      if (next !== null) {
-        next = this.loopValue ? loop(next, this.max) : three.MathUtils.clamp(next, this.min, this.max);
-
-        if (next !== this.current) {
-          this.current = next;
-
-          if (this.fn) {
-            this.fn(this.current);
-          }
-
-          return true;
-        }
-      }
-
-      return false;
-    };
-
-    return Dynamic;
-  }();
-  Dynamic.STOP = 0;
-  Dynamic.INFINITE = 1;
-  Dynamic.POSITION = 2;
-
-  /**
-   * @summary Wrapper for multiple {@link PSV.utils.Dynamic} evolving together
-   * @memberOf PSV.utils
-   */
-
-  var MultiDynamic = /*#__PURE__*/function () {
-    /**
-     * @param {Record<string, PSV.utils.Dynamic>} dynamics
-     * @param {Function} [fn] Callback function
-     */
-    function MultiDynamic(dynamics, fn) {
-      /**
-       * @type {Function}
-       * @private
-       * @readonly
-       */
-      this.fn = fn;
-      /**
-       * @type {Record<string, PSV.utils.Dynamic>}
-       * @private
-       * @readonly
-       */
-
-      this.dynamics = dynamics;
-
-      if (this.fn) {
-        this.fn(this.current);
-      }
-    }
-    /**
-     * Changes base speed
-     * @param {number} speed
-     */
-
-
-    var _proto = MultiDynamic.prototype;
-
-    _proto.setSpeed = function setSpeed(speed) {
-      each(this.dynamics, function (d) {
-        d.setSpeed(speed);
-      });
-    }
-    /**
-     * Defines the target positions
-     * @param {Record<string, number>} positions
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.goto = function goto(positions, speedMult) {
-      var _this = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(positions, function (position, name) {
-        _this.dynamics[name].goto(position, speedMult);
-      });
-    }
-    /**
-     * Increase/decrease the target positions
-     * @param {Record<string, number>} steps
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.step = function step(steps, speedMult) {
-      var _this2 = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(steps, function (step, name) {
-        _this2.dynamics[name].step(step, speedMult);
-      });
-    }
-    /**
-     * Starts infinite movements
-     * @param {Record<string, boolean>} rolls
-     * @param {number} [speedMult=1]
-     */
-    ;
-
-    _proto.roll = function roll(rolls, speedMult) {
-      var _this3 = this;
-
-      if (speedMult === void 0) {
-        speedMult = 1;
-      }
-
-      each(rolls, function (roll, name) {
-        _this3.dynamics[name].roll(roll, speedMult);
-      });
-    }
-    /**
-     * Stops movements
-     */
-    ;
-
-    _proto.stop = function stop() {
-      each(this.dynamics, function (d) {
-        return d.stop();
-      });
-    }
-    /**
-     * Defines the current positions and immediately stops movements
-     * @param {Record<string, number>} values
-     */
-    ;
-
-    _proto.setValue = function setValue(values) {
-      var _this4 = this;
-
-      var hasUpdates = false;
-      each(values, function (value, name) {
-        hasUpdates |= _this4.dynamics[name].setValue(value);
-      });
-
-      if (hasUpdates && this.fn) {
-        this.fn(this.current);
-      }
-
-      return hasUpdates;
-    }
-    /**
-     * @package
-     */
-    ;
-
-    _proto.update = function update(elapsed) {
-      var hasUpdates = false;
-      each(this.dynamics, function (dynamic) {
-        hasUpdates |= dynamic.update(elapsed);
-      });
-
-      if (hasUpdates && this.fn) {
-        this.fn(this.current);
-      }
-
-      return hasUpdates;
-    };
-
-    _createClass(MultiDynamic, [{
-      key: "current",
-      get:
-      /**
-       * @type {Object<string, number>}
-       * @readonly
-       */
-      function get() {
-        var values = {};
-        each(this.dynamics, function (dynamic, name) {
-          values[name] = dynamic.current;
-        });
-        return values;
-      }
-    }]);
-
-    return MultiDynamic;
-  }();
-
-  /**
-   * @summary Helper to make sliders elements
-   * @memberOf PSV.utils
-   */
-
-  var Slider = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(Slider, _EventEmitter);
-
-    function Slider(_ref) {
-      var _this;
-
-      var psv = _ref.psv,
-          container = _ref.container,
-          direction = _ref.direction,
-          onUpdate = _ref.onUpdate;
-      _this = _EventEmitter.call(this) || this;
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-
-      _this.psv = psv;
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.container = container;
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} mousedown
-       * @property {number} mediaMinWidth
-       */
-
-      _this.prop = {
-        onUpdate: onUpdate,
-        direction: direction,
-        mousedown: false,
-        mouseover: false
-      };
-
-      _this.container.addEventListener('click', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mouseenter', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mouseleave', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('touchstart', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('mousemove', _assertThisInitialized(_this), true);
-
-      _this.container.addEventListener('touchmove', _assertThisInitialized(_this), true);
-
-      window.addEventListener('mouseup', _assertThisInitialized(_this));
-      window.addEventListener('touchend', _assertThisInitialized(_this));
-      return _this;
-    }
-    /**
-     * @protected
-     */
-
-
-    var _proto = Slider.prototype;
-
-    _proto.destroy = function destroy() {
-      window.removeEventListener('mouseup', this);
-      window.removeEventListener('touchend', this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'click':
-          e.stopPropagation();
-          break;
-
-        case 'mousedown':
-          this.__onMouseDown(e);
-
-          break;
-
-        case 'mouseenter':
-          this.__onMouseEnter(e);
-
-          break;
-
-        case 'mouseleave':
-          this.__onMouseLeave(e);
-
-          break;
-
-        case 'touchstart':
-          this.__onTouchStart(e);
-
-          break;
-
-        case 'mousemove':
-          this.__onMouseMove(e);
-
-          break;
-
-        case 'touchmove':
-          this.__onTouchMove(e);
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(e);
-
-          break;
-
-        case 'touchend':
-          this.__onTouchEnd(e);
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      this.prop.mousedown = true;
-
-      this.__update(evt, true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseEnter = function __onMouseEnter(evt) {
-      this.prop.mouseover = true;
-
-      this.__update(evt, true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      this.prop.mouseover = true;
-      this.prop.mousedown = true;
-
-      this.__update(evt.changedTouches[0], true);
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.prop.mousedown || this.prop.mouseover) {
-        evt.stopPropagation();
-
-        this.__update(evt, true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      if (this.prop.mousedown || this.prop.mouseover) {
-        evt.stopPropagation();
-
-        this.__update(evt.changedTouches[0], true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (this.prop.mousedown) {
-        this.prop.mousedown = false;
-
-        this.__update(evt, false);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseLeave = function __onMouseLeave(evt) {
-      if (this.prop.mouseover) {
-        this.prop.mouseover = false;
-
-        this.__update(evt, true);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onTouchEnd = function __onTouchEnd(evt) {
-      if (this.prop.mousedown) {
-        this.prop.mouseover = false;
-        this.prop.mousedown = false;
-
-        this.__update(evt.changedTouches[0], false);
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__update = function __update(evt, moving) {
-      var boundingClientRect = this.container.getBoundingClientRect();
-      var cursor = evt[this.vertical ? 'clientY' : 'clientX'];
-      var pos = boundingClientRect[this.vertical ? 'bottom' : 'left'];
-      var size = boundingClientRect[this.vertical ? 'height' : 'width'];
-      var val = Math.abs((pos - cursor) / size);
-      this.prop.onUpdate({
-        value: val,
-        click: !moving,
-        mousedown: this.prop.mousedown,
-        mouseover: this.prop.mouseover,
-        cursor: evt
-      });
-    };
-
-    _createClass(Slider, [{
-      key: "vertical",
-      get:
-      /**
-       * @type {boolean}
-       * @readonly
-       */
-      function get() {
-        return this.prop.direction === Slider.VERTICAL;
-      }
-    }]);
-
-    return Slider;
-  }(uevent.EventEmitter);
-  Slider.VERTICAL = 1;
-  Slider.HORIZONTAL = 2;
-
-  /**
-   * @namespace PSV.utils
-   */
-
-  var index = /*#__PURE__*/Object.freeze({
-    __proto__: null,
-    toggleClass: toggleClass,
-    addClasses: addClasses,
-    removeClasses: removeClasses,
-    hasParent: hasParent,
-    getClosest: getClosest,
-    getPosition: getPosition,
-    isFullscreenEnabled: isFullscreenEnabled,
-    requestFullscreen: requestFullscreen,
-    exitFullscreen: exitFullscreen,
-    getStyle: getStyle,
-    normalizeWheel: normalizeWheel,
-    bound: bound,
-    loop: loop,
-    isPowerOfTwo: isPowerOfTwo,
-    sum: sum,
-    distance: distance,
-    getShortestArc: getShortestArc,
-    getAngle: getAngle,
-    greatArcDistance: greatArcDistance,
-    dasherize: dasherize,
-    throttle: throttle,
-    isPlainObject: isPlainObject,
-    deepmerge: deepmerge,
-    clone: clone,
-    isEmpty: isEmpty,
-    each: each,
-    isNil: isNil,
-    firstNonNull: firstNonNull,
-    deepEqual: deepEqual,
-    pluginInterop: pluginInterop,
-    getAbortError: getAbortError,
-    isAbortError: isAbortError,
-    logWarn: logWarn,
-    isExtendedPosition: isExtendedPosition,
-    getXMPValue: getXMPValue,
-    parsePosition: parsePosition,
-    cleanPosition: cleanPosition,
-    parseSpeed: parseSpeed,
-    parseAngle: parseAngle,
-    createTexture: createTexture,
-    applyEulerInverse: applyEulerInverse,
-    Animation: Animation,
-    Dynamic: Dynamic,
-    MultiDynamic: MultiDynamic,
-    Slider: Slider
-  });
-
-  /**
-   * @typedef {Object} PSV.adapters.EquirectangularAdapter.Options
-   * @property {number} [resolution=64] - number of faces of the sphere geometry, higher values may decrease performances
-   */
-
-  /**
-   * @summary Adapter for equirectangular panoramas
-   * @memberof PSV.adapters
-   * @extends PSV.adapters.AbstractAdapter
-   */
-
-  var EquirectangularAdapter = /*#__PURE__*/function (_AbstractAdapter) {
-    _inheritsLoose(EquirectangularAdapter, _AbstractAdapter);
-
-    /**
-     * @param {PSV.Viewer} psv
-     * @param {PSV.adapters.EquirectangularAdapter.Options} options
-     */
-    function EquirectangularAdapter(psv, options) {
-      var _this;
-
-      _this = _AbstractAdapter.call(this, psv) || this;
-      /**
-       * @member {PSV.adapters.EquirectangularAdapter.Options}
-       * @private
-       */
-
-      _this.config = _extends({
-        resolution: 64
-      }, options);
-
-      if (!three.MathUtils.isPowerOfTwo(_this.config.resolution)) {
-        throw new PSVError('EquirectangularAdapter resolution must be power of two');
-      }
-
-      _this.SPHERE_SEGMENTS = _this.config.resolution;
-      _this.SPHERE_HORIZONTAL_SEGMENTS = _this.SPHERE_SEGMENTS / 2;
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = EquirectangularAdapter.prototype;
-
-    _proto.supportsTransition = function supportsTransition() {
-      return true;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.supportsPreload = function supportsPreload() {
-      return true;
-    }
-    /**
-     * @override
-     * @param {string} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @param {boolean} [useXmpPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData, useXmpPanoData) {
-      var _this2 = this;
-
-      if (useXmpPanoData === void 0) {
-        useXmpPanoData = this.psv.config.useXmpData;
-      }
-
-      if (typeof panorama !== 'string') {
-        if (Array.isArray(panorama) || typeof panorama === 'object' && !!panorama.left) {
-          logWarn('Cubemap support now requires an additional adapter, see https://photo-sphere-viewer.js.org/guide/adapters');
-        }
-
-        return Promise.reject(new PSVError('Invalid panorama url, are you using the right adapter?'));
-      }
-
-      return (useXmpPanoData ? this.__loadXMP(panorama, function (p) {
-        return _this2.psv.loader.setProgress(p);
-      }).then(function (xmpPanoData) {
-        return _this2.psv.textureLoader.loadImage(panorama).then(function (img) {
-          return {
-            img: img,
-            xmpPanoData: xmpPanoData
-          };
-        });
-      }) : this.psv.textureLoader.loadImage(panorama, function (p) {
-        return _this2.psv.loader.setProgress(p);
-      }).then(function (img) {
-        return {
-          img: img,
-          xmpPanoData: null
-        };
-      })).then(function (_ref) {
-        var _newPanoData, _newPanoData2, _newPanoData3, _newPanoData4, _newPanoData5, _newPanoData6, _newPanoData7, _newPanoData8, _newPanoData9;
-
-        var img = _ref.img,
-            xmpPanoData = _ref.xmpPanoData;
-
-        if (typeof newPanoData === 'function') {
-          newPanoData = newPanoData(img);
-        }
-
-        var panoData = {
-          fullWidth: firstNonNull((_newPanoData = newPanoData) == null ? void 0 : _newPanoData.fullWidth, xmpPanoData == null ? void 0 : xmpPanoData.fullWidth, img.width),
-          fullHeight: firstNonNull((_newPanoData2 = newPanoData) == null ? void 0 : _newPanoData2.fullHeight, xmpPanoData == null ? void 0 : xmpPanoData.fullHeight, img.height),
-          croppedWidth: firstNonNull((_newPanoData3 = newPanoData) == null ? void 0 : _newPanoData3.croppedWidth, xmpPanoData == null ? void 0 : xmpPanoData.croppedWidth, img.width),
-          croppedHeight: firstNonNull((_newPanoData4 = newPanoData) == null ? void 0 : _newPanoData4.croppedHeight, xmpPanoData == null ? void 0 : xmpPanoData.croppedHeight, img.height),
-          croppedX: firstNonNull((_newPanoData5 = newPanoData) == null ? void 0 : _newPanoData5.croppedX, xmpPanoData == null ? void 0 : xmpPanoData.croppedX, 0),
-          croppedY: firstNonNull((_newPanoData6 = newPanoData) == null ? void 0 : _newPanoData6.croppedY, xmpPanoData == null ? void 0 : xmpPanoData.croppedY, 0),
-          poseHeading: firstNonNull((_newPanoData7 = newPanoData) == null ? void 0 : _newPanoData7.poseHeading, xmpPanoData == null ? void 0 : xmpPanoData.poseHeading, 0),
-          posePitch: firstNonNull((_newPanoData8 = newPanoData) == null ? void 0 : _newPanoData8.posePitch, xmpPanoData == null ? void 0 : xmpPanoData.posePitch, 0),
-          poseRoll: firstNonNull((_newPanoData9 = newPanoData) == null ? void 0 : _newPanoData9.poseRoll, xmpPanoData == null ? void 0 : xmpPanoData.poseRoll, 0)
-        };
-
-        if (panoData.croppedWidth !== img.width || panoData.croppedHeight !== img.height) {
-          logWarn("Invalid panoData, croppedWidth and/or croppedHeight is not coherent with loaded image.\n    panoData: " + panoData.croppedWidth + "x" + panoData.croppedHeight + ", image: " + img.width + "x" + img.height);
-        }
-
-        if ((newPanoData || xmpPanoData) && panoData.fullWidth !== panoData.fullHeight * 2) {
-          logWarn('Invalid panoData, fullWidth should be twice fullHeight');
-        }
-
-        var texture = _this2.__createEquirectangularTexture(img, panoData);
-
-        return {
-          panorama: panorama,
-          texture: texture,
-          panoData: panoData
-        };
-      });
-    }
-    /**
-     * @summary Loads the XMP data of an image
-     * @param {string} panorama
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<PSV.PanoData>}
-     * @throws {PSV.PSVError} when the image cannot be loaded
-     * @private
-     */
-    ;
-
-    _proto.__loadXMP = function __loadXMP(panorama, onProgress) {
-      var _this3 = this;
-
-      return this.psv.textureLoader.loadFile(panorama, onProgress).then(function (blob) {
-        return _this3.__loadBlobAsString(blob);
-      }).then(function (binary) {
-        var a = binary.indexOf('<x:xmpmeta');
-        var b = binary.indexOf('</x:xmpmeta>');
-        var data = binary.substring(a, b);
-
-        if (a !== -1 && b !== -1 && data.includes('GPano:')) {
-          return {
-            fullWidth: getXMPValue(data, 'FullPanoWidthPixels'),
-            fullHeight: getXMPValue(data, 'FullPanoHeightPixels'),
-            croppedWidth: getXMPValue(data, 'CroppedAreaImageWidthPixels'),
-            croppedHeight: getXMPValue(data, 'CroppedAreaImageHeightPixels'),
-            croppedX: getXMPValue(data, 'CroppedAreaLeftPixels'),
-            croppedY: getXMPValue(data, 'CroppedAreaTopPixels'),
-            poseHeading: getXMPValue(data, 'PoseHeadingDegrees'),
-            posePitch: getXMPValue(data, 'PosePitchDegrees'),
-            poseRoll: getXMPValue(data, 'PoseRollDegrees')
-          };
-        }
-
-        return null;
-      });
-    }
-    /**
-     * @summmary read a Blob as string
-     * @param {Blob} blob
-     * @returns {Promise<string>}
-     * @private
-     */
-    ;
-
-    _proto.__loadBlobAsString = function __loadBlobAsString(blob) {
-      return new Promise(function (resolve, reject) {
-        var reader = new FileReader();
-
-        reader.onload = function () {
-          return resolve(reader.result);
-        };
-
-        reader.onerror = reject;
-        reader.readAsText(blob);
-      });
-    }
-    /**
-     * @summary Creates the final texture from image and panorama data
-     * @param {Image} img
-     * @param {PSV.PanoData} panoData
-     * @returns {external:THREE.Texture}
-     * @private
-     */
-    ;
-
-    _proto.__createEquirectangularTexture = function __createEquirectangularTexture(img, panoData) {
-      // resize image / fill cropped parts with black
-      if (panoData.fullWidth > SYSTEM.maxTextureWidth || panoData.croppedWidth !== panoData.fullWidth || panoData.croppedHeight !== panoData.fullHeight) {
-        var ratio = SYSTEM.getMaxCanvasWidth() / panoData.fullWidth;
-
-        var resizedPanoData = _extends({}, panoData);
-
-        if (ratio < 1) {
-          resizedPanoData.fullWidth *= ratio;
-          resizedPanoData.fullHeight *= ratio;
-          resizedPanoData.croppedWidth *= ratio;
-          resizedPanoData.croppedHeight *= ratio;
-          resizedPanoData.croppedX *= ratio;
-          resizedPanoData.croppedY *= ratio;
-        }
-
-        var buffer = document.createElement('canvas');
-        buffer.width = resizedPanoData.fullWidth;
-        buffer.height = resizedPanoData.fullHeight;
-        var ctx = buffer.getContext('2d');
-        ctx.drawImage(img, resizedPanoData.croppedX, resizedPanoData.croppedY, resizedPanoData.croppedWidth, resizedPanoData.croppedHeight);
-        return createTexture(buffer);
-      }
-
-      return createTexture(img);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.createMesh = function createMesh(scale) {
-      if (scale === void 0) {
-        scale = 1;
-      }
-
-      // The middle of the panorama is placed at longitude=0
-      var geometry = new three.SphereGeometry(SPHERE_RADIUS * scale, this.SPHERE_SEGMENTS, this.SPHERE_HORIZONTAL_SEGMENTS, -Math.PI / 2).scale(-1, 1, 1);
-      var material = AbstractAdapter.createOverlayMaterial();
-      return new three.Mesh(geometry, material);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setTexture = function setTexture(mesh, textureData) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.panorama, textureData.texture);
-
-      this.setOverlay(mesh, null);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(mesh, textureData, opacity) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlayOpacity, opacity);
-
-      if (!textureData) {
-        this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlay, new three.Texture());
-      } else {
-        this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.overlay, textureData.texture);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.setTextureOpacity = function setTextureOpacity(mesh, opacity) {
-      this.__setUniform(mesh, AbstractAdapter.OVERLAY_UNIFORMS.globalOpacity, opacity);
-
-      mesh.material.transparent = opacity < 1;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.disposeTexture = function disposeTexture(textureData) {
-      var _textureData$texture;
-
-      (_textureData$texture = textureData.texture) == null ? void 0 : _textureData$texture.dispose();
-    }
-    /**
-     * @param {external:THREE.Mesh} mesh
-     * @param {string} uniform
-     * @param {*} value
-     * @private
-     */
-    ;
-
-    _proto.__setUniform = function __setUniform(mesh, uniform, value) {
-      if (mesh.material.uniforms[uniform].value instanceof three.Texture) {
-        mesh.material.uniforms[uniform].value.dispose();
-      }
-
-      mesh.material.uniforms[uniform].value = value;
-    };
-
-    return EquirectangularAdapter;
-  }(AbstractAdapter);
-  EquirectangularAdapter.id = 'equirectangular';
-  EquirectangularAdapter.supportsDownload = true;
-  EquirectangularAdapter.supportsOverlay = true;
-
-  /**
-   * @namespace PSV.components
-   */
-
-  /**
-   * @summary Base component class
-   * @memberof PSV.components
-   * @abstract
-   */
-  var AbstractComponent = /*#__PURE__*/function () {
-    /**
-     * @param {PSV.Viewer | PSV.components.AbstractComponent} parent
-     * @param {string} className - CSS class added to the component's container
-     */
-    function AbstractComponent(parent, className) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = parent.psv || parent;
-      /**
-       * @member {PSV.Viewer|PSV.components.AbstractComponent}
-       * @readonly
-       */
-
-      this.parent = parent;
-      this.parent.children.push(this);
-      /**
-       * @summary All child components
-       * @type {PSV.components.AbstractComponent[]}
-       * @readonly
-       * @package
-       */
-
-      this.children = [];
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} visible - Visibility of the component
-       */
-
-      this.prop = {
-        visible: true
-      };
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      this.container = document.createElement('div');
-      this.container.className = className;
-      this.parent.container.appendChild(this.container);
-    }
-    /**
-     * @summary Destroys the component
-     * @protected
-     */
-
-
-    var _proto = AbstractComponent.prototype;
-
-    _proto.destroy = function destroy() {
-      this.parent.container.removeChild(this.container);
-      var childIdx = this.parent.children.indexOf(this);
-
-      if (childIdx !== -1) {
-        this.parent.children.splice(childIdx, 1);
-      }
-
-      this.children.slice().forEach(function (child) {
-        return child.destroy();
-      });
-      this.children.length = 0;
-      delete this.container;
-      delete this.parent;
-      delete this.psv;
-      delete this.prop;
-    }
-    /**
-     * @summary Refresh UI
-     * @description Must be be a very lightweight operation
-     * @package
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var _this = this;
-
-      this.children.every(function (child) {
-        child.refreshUi();
-        return _this.psv.prop.uiRefresh === true;
-      });
-    }
-    /**
-     * @summary Displays or hides the component
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      if (this.isVisible()) {
-        this.hide();
-      } else {
-        this.show();
-      }
-    }
-    /**
-     * @summary Hides the component
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.style.display = 'none';
-      this.prop.visible = false;
-    }
-    /**
-     * @summary Displays the component
-     */
-    ;
-
-    _proto.show = function show() {
-      this.container.style.display = '';
-      this.prop.visible = true;
-    }
-    /**
-     * @summary Checks if the component is visible
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isVisible = function isVisible() {
-      return this.prop.visible;
-    };
-
-    return AbstractComponent;
-  }();
-
-  /**
-   * @namespace PSV.buttons
-   */
-
-  /**
-   * @summary Base navbar button class
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.buttons
-   * @abstract
-   */
-
-  var AbstractButton = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(AbstractButton, _AbstractComponent);
-
-    /**
-     * @summary Unique identifier of the button
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary Identifier to declare a group of buttons
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary SVG icon name injected in the button
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @summary SVG icon name injected in the button when it is active
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {string} [className] - Additional CSS classes
-     * @param {boolean} [collapsable=false] - `true` if the button can be moved to menu when the navbar is too small
-     * @param {boolean} [tabbable=true] - `true` if the button is accessible with the keyboard
-     */
-    function AbstractButton(navbar, className, collapsable, tabbable) {
-      var _this;
-
-      if (className === void 0) {
-        className = '';
-      }
-
-      if (collapsable === void 0) {
-        collapsable = false;
-      }
-
-      if (tabbable === void 0) {
-        tabbable = true;
-      }
-
-      _this = _AbstractComponent.call(this, navbar, 'psv-button ' + className) || this;
-      /**
-       * @override
-       * @property {string} id - Unique identifier of the button
-       * @property {boolean} enabled
-       * @property {boolean} supported
-       * @property {boolean} collapsed
-       * @property {boolean} active
-       * @property {number} width
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        id: _this.constructor.id,
-        collapsable: collapsable,
-        enabled: true,
-        supported: true,
-        collapsed: false,
-        active: false,
-        width: _this.container.offsetWidth
-      });
-
-      if (_this.constructor.icon) {
-        _this.__setIcon(_this.constructor.icon);
-      }
-
-      if (_this.prop.id && _this.psv.config.lang[_this.prop.id]) {
-        _this.container.title = _this.psv.config.lang[_this.prop.id];
-      }
-
-      if (tabbable) {
-        _this.container.tabIndex = 0;
-      }
-
-      _this.container.addEventListener('click', function (e) {
-        if (_this.prop.enabled) {
-          _this.onClick();
-        }
-
-        e.stopPropagation();
-      });
-
-      _this.container.addEventListener('keydown', function (e) {
-        if (e.key === KEY_CODES.Enter && _this.prop.enabled) {
-          _this.onClick();
-
-          e.stopPropagation();
-        }
-      });
-
-      return _this;
-    }
-    /**
-     * @package
-     */
-
-
-    var _proto = AbstractButton.prototype;
-
-    _proto.checkSupported = function checkSupported() {
-      var _this2 = this;
-
-      var supportedOrObject = this.isSupported();
-
-      if (isPlainObject(supportedOrObject)) {
-        if (supportedOrObject.initial === false) {
-          this.hide();
-          this.prop.supported = false;
-        }
-
-        supportedOrObject.promise.then(function (supported) {
-          if (!_this2.prop) {
-            return; // the component has been destroyed
-          }
-
-          _this2.prop.supported = supported;
-
-          if (!supported) {
-            _this2.hide();
-          } else {
-            _this2.show();
-          }
-        });
-      } else {
-        this.prop.supported = supportedOrObject;
-
-        if (!supportedOrObject) {
-          this.hide();
-        }
-      }
-    }
-    /**
-     * @summary Checks if the button can be displayed
-     * @returns {boolean|{initial: boolean, promise: Promise<boolean>}}
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return true;
-    }
-    /**
-     * @summary Changes the active state of the button
-     * @param {boolean} [active] - forced state
-     */
-    ;
-
-    _proto.toggleActive = function toggleActive(active) {
-      this.prop.active = active !== undefined ? active : !this.prop.active;
-      toggleClass(this.container, 'psv-button--active', this.prop.active);
-
-      if (this.constructor.iconActive) {
-        this.__setIcon(this.prop.active ? this.constructor.iconActive : this.constructor.icon);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show(refresh) {
-      if (refresh === void 0) {
-        refresh = true;
-      }
-
-      if (!this.isVisible()) {
-        this.prop.visible = true;
-
-        if (!this.prop.collapsed) {
-          this.container.style.display = '';
-        }
-
-        if (refresh) {
-          this.psv.refreshUi("show button " + this.prop.id);
-        }
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      if (refresh === void 0) {
-        refresh = true;
-      }
-
-      if (this.isVisible()) {
-        this.prop.visible = false;
-        this.container.style.display = 'none';
-
-        if (refresh) {
-          this.psv.refreshUi("hide button " + this.prop.id);
-        }
-      }
-    }
-    /**
-     * @summary Disables the button
-     */
-    ;
-
-    _proto.disable = function disable() {
-      this.container.classList.add('psv-button--disabled');
-      this.prop.enabled = false;
-    }
-    /**
-     * @summary Enables the button
-     */
-    ;
-
-    _proto.enable = function enable() {
-      this.container.classList.remove('psv-button--disabled');
-      this.prop.enabled = true;
-    }
-    /**
-     * @summary Collapses the button in the navbar menu
-     */
-    ;
-
-    _proto.collapse = function collapse() {
-      this.prop.collapsed = true;
-      this.container.style.display = 'none';
-    }
-    /**
-     * @summary Uncollapses the button from the navbar menu
-     */
-    ;
-
-    _proto.uncollapse = function uncollapse() {
-      this.prop.collapsed = false;
-
-      if (this.prop.visible) {
-        this.container.style.display = '';
-      }
-    }
-    /**
-     * @summary Set the button icon
-     * @param {string} icon SVG
-     * @param {HTMLElement} [container] - default is the main button container
-     * @private
-     */
-    ;
-
-    _proto.__setIcon = function __setIcon(icon, container) {
-      if (container === void 0) {
-        container = this.container;
-      }
-
-      if (icon) {
-        container.innerHTML = icon; // className is read-only on SVGElement
-
-        container.querySelector('svg').classList.add('psv-button-svg');
-      } else {
-        container.innerHTML = '';
-      }
-    }
-    /**
-     * @summary Action when the button is clicked
-     * @private
-     * @abstract
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      throw new PSVError("onClick not implemented for button \"" + this.prop.id + "\".");
-    };
-
-    return AbstractButton;
-  }(AbstractComponent);
-  AbstractButton.id = null;
-  AbstractButton.groupId = null;
-  AbstractButton.icon = null;
-  AbstractButton.iconActive = null;
-
-  var playActive = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 41 41\"><path fill=\"currentColor\" d=\"M40.5 14.1c-.1-.1-1.2-.5-2.898-1-.102 0-.202-.1-.202-.2C34.5 6.5 28 2 20.5 2S6.6 6.5 3.7 12.9c0 .1-.1.1-.2.2-1.7.6-2.8 1-2.9 1l-.6.3v12.1l.6.2c.1 0 1.1.399 2.7.899.1 0 .2.101.2.199C6.3 34.4 12.9 39 20.5 39c7.602 0 14.102-4.6 16.9-11.1 0-.102.1-.102.199-.2 1.699-.601 2.699-1 2.801-1l.6-.3V14.3l-.5-.2zM6.701 11.5C9.7 7 14.8 4 20.5 4c5.8 0 10.9 3 13.8 7.5.2.3-.1.6-.399.5-3.799-1-8.799-2-13.6-2-4.7 0-9.5 1-13.2 2-.3.1-.5-.2-.4-.5zM25.1 20.3L18.7 24c-.3.2-.7 0-.7-.5v-7.4c0-.4.4-.6.7-.4l6.399 3.8c.301.1.301.6.001.8zm9.4 8.901A16.421 16.421 0 0 1 20.5 37c-5.9 0-11.1-3.1-14-7.898-.2-.302.1-.602.4-.5 3.9 1 8.9 2.1 13.6 2.1 5 0 9.9-1 13.602-2 .298-.1.5.198.398.499z\"/><!--Created by Nick Bluth from the Noun Project--></svg>\n";
-
-  var play = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 41 41\"><path fill=\"currentColor\" d=\"M40.5 14.1c-.1-.1-1.2-.5-2.899-1-.101 0-.2-.1-.2-.2C34.5 6.5 28 2 20.5 2S6.6 6.5 3.7 12.9c0 .1-.1.1-.2.2-1.7.6-2.8 1-2.9 1l-.6.3v12.1l.6.2c.1 0 1.1.4 2.7.9.1 0 .2.1.2.199C6.3 34.4 12.9 39 20.5 39c7.601 0 14.101-4.6 16.9-11.1 0-.101.1-.101.2-.2 1.699-.6 2.699-1 2.8-1l.6-.3V14.3l-.5-.2zM20.5 4c5.8 0 10.9 3 13.8 7.5.2.3-.1.6-.399.5-3.8-1-8.8-2-13.6-2-4.7 0-9.5 1-13.2 2-.3.1-.5-.2-.4-.5C9.7 7 14.8 4 20.5 4zm0 33c-5.9 0-11.1-3.1-14-7.899-.2-.301.1-.601.4-.5 3.9 1 8.9 2.1 13.6 2.1 5 0 9.9-1 13.601-2 .3-.1.5.2.399.5A16.422 16.422 0 0 1 20.5 37zm18.601-12.1c0 .1-.101.3-.2.3-2.5.9-10.4 3.6-18.4 3.6-7.1 0-15.6-2.699-18.3-3.6C2.1 25.2 2 25 2 24.9V16c0-.1.1-.3.2-.3 2.6-.9 10.6-3.6 18.2-3.6 7.5 0 15.899 2.7 18.5 3.6.1 0 .2.2.2.3v8.9z\"/><path fill=\"currentColor\" d=\"M18.7 24l6.4-3.7c.3-.2.3-.7 0-.8l-6.4-3.8c-.3-.2-.7 0-.7.4v7.4c0 .5.4.7.7.5z\"/><!--Created by Nick Bluth from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar autorotate button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AutorotateButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AutorotateButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function AutorotateButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-autorotate-button', true) || this;
-
-      _this.psv.on(EVENTS.AUTOROTATE, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AutorotateButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.AUTOROTATE, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.AUTOROTATE:
-          this.toggleActive(e.args[0]);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @description Toggles autorotate
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.psv.isAutorotateEnabled()) {
-        this.psv.config.autorotateIdle = false;
-        this.psv.resetIdleTimer();
-      }
-
-      this.psv.toggleAutorotate();
-    };
-
-    return AutorotateButton;
-  }(AbstractButton);
-  AutorotateButton.id = 'autorotate';
-  AutorotateButton.icon = play;
-  AutorotateButton.iconActive = playActive;
-
-  /**
-   * @summary Navigation bar custom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var CustomButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(CustomButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {PSV.NavbarCustomButton} config
-     */
-    function CustomButton(navbar, config) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-custom-button', config.collapsable !== false, config.tabbable !== false) || this;
-      /**
-       * @member {Object}
-       * @readonly
-       * @private
-       */
-
-      _this.config = config;
-
-      if (_this.config.id) {
-        _this.prop.id = _this.config.id;
-      } else {
-        _this.prop.id = 'psvButton-' + Math.random().toString(36).substr(2, 9);
-      }
-
-      if (_this.config.className) {
-        addClasses(_this.container, _this.config.className);
-      }
-
-      if (_this.config.title) {
-        _this.container.title = _this.config.title;
-      }
-
-      if (_this.config.content) {
-        _this.container.innerHTML = _this.config.content;
-      }
-
-      _this.prop.width = _this.container.offsetWidth;
-
-      if (_this.config.enabled === false) {
-        _this.disable();
-      }
-
-      if (_this.config.visible === false) {
-        _this.hide();
-      }
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = CustomButton.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.config;
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     * @description Calls user method
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.config.onClick) {
-        this.config.onClick.call(this.psv, this.psv);
-      }
-    };
-
-    return CustomButton;
-  }(AbstractButton);
-
-  var info = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 64 64\"><path fill=\"currentColor\" d=\"M28.3 26.1c-1 2.6-1.9 4.8-2.6 7-2.5 7.4-5 14.7-7.2 22-1.3 4.4.5 7.2 4.3 7.8 1.3.2 2.8.2 4.2-.1 8.2-2 11.9-8.6 15.7-15.2l-2.2 2a18.8 18.8 0 0 1-7.4 5.2 2 2 0 0 1-1.6-.2c-.2-.1 0-1 0-1.4l.8-1.8L41.9 28c.5-1.4.9-3 .7-4.4-.2-2.6-3-4.4-6.3-4.4-8.8.2-15 4.5-19.5 11.8-.2.3-.2.6-.3 1.3 3.7-2.8 6.8-6.1 11.8-6.2z\"/><circle fill=\"currentColor\" cx=\"39.3\" cy=\"9.2\" r=\"8.2\"/><!--Created by Arafat Uddin from the Noun Project--></svg>\n";
-
-  var MODE_NOTIF = 1;
-  var MODE_PANEL = 2;
-  /**
-   * @summary Navigation bar description button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var DescriptionButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(DescriptionButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function DescriptionButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-description-button') || this;
-      /**
-       * @override
-       * @property {string} mode - notification or panel
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        mode: null
-      });
-
-      _this.psv.on(EVENTS.HIDE_NOTIFICATION, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.SHOW_NOTIFICATION, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.CLOSE_PANEL, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.OPEN_PANEL, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = DescriptionButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.HIDE_NOTIFICATION, this);
-      this.psv.off(EVENTS.SHOW_NOTIFICATION, this);
-      this.psv.off(EVENTS.CLOSE_PANEL, this);
-      this.psv.off(EVENTS.OPEN_PANEL, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      if (!this.prop.mode) {
-        return;
-      }
-
-      var closed = false;
-
-      switch (e.type) {
-        case EVENTS.HIDE_NOTIFICATION:
-          closed = this.prop.mode === MODE_NOTIF;
-          break;
-
-        case EVENTS.SHOW_NOTIFICATION:
-          closed = this.prop.mode === MODE_NOTIF && e.args[0] !== IDS.DESCRIPTION;
-          break;
-
-        case EVENTS.CLOSE_PANEL:
-          closed = this.prop.mode === MODE_PANEL;
-          break;
-
-        case EVENTS.OPEN_PANEL:
-          closed = this.prop.mode === MODE_PANEL && e.args[0] !== IDS.DESCRIPTION;
-          break;
-      }
-
-      if (closed) {
-        this.toggleActive(false);
-        this.prop.mode = null;
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      _AbstractButton.prototype.hide.call(this, refresh);
-
-      if (this.prop.mode) {
-        this.__close();
-      }
-    }
-    /**
-     * This button can only be refresh from NavbarCaption
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi(refresh) {
-      if (refresh === void 0) {
-        refresh = false;
-      }
-
-      if (refresh) {
-        var caption = this.psv.navbar.getButton('caption', false);
-        var captionHidden = caption && !caption.isVisible();
-        var hasDescription = !!this.psv.config.description;
-
-        if (captionHidden || hasDescription) {
-          this.show(false);
-        } else {
-          this.hide(false);
-        }
-      }
-    }
-    /**
-     * @override
-     * @description Toggles caption
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.prop.mode) {
-        this.__close();
-      } else {
-        this.__open();
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__close = function __close() {
-      switch (this.prop.mode) {
-        case MODE_NOTIF:
-          this.psv.notification.hide(IDS.DESCRIPTION);
-          break;
-
-        case MODE_PANEL:
-          this.psv.panel.hide(IDS.DESCRIPTION);
-          break;
-      }
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__open = function __open() {
-      this.toggleActive(true);
-
-      if (this.psv.config.description) {
-        this.prop.mode = MODE_PANEL;
-        this.psv.panel.show({
-          id: IDS.DESCRIPTION,
-          content: "" + (this.psv.config.caption ? "<p>" + this.psv.config.caption + "</p>" : '') + this.psv.config.description
-        });
-      } else {
-        this.prop.mode = MODE_NOTIF;
-        this.psv.notification.show({
-          id: IDS.DESCRIPTION,
-          content: this.psv.config.caption
-        });
-      }
-    };
-
-    return DescriptionButton;
-  }(AbstractButton);
-  DescriptionButton.id = 'description';
-  DescriptionButton.icon = info;
-
-  var download = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M83.3 35.6h-17V3H32.2v32.6H16.6l33.6 32.7 33-32.7z\"/><path fill=\"currentColor\" d=\"M83.3 64.2v16.3H16.6V64.2H-.1v32.6H100V64.2H83.3z\"/><!--Created by Michael Zenaty from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar download button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var DownloadButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(DownloadButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function DownloadButton(navbar) {
-      return _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-download-button', true) || this;
-    }
-    /**
-     * @override
-     * @description Asks the browser to download the panorama source file
-     */
-
-
-    var _proto = DownloadButton.prototype;
-
-    _proto.onClick = function onClick() {
-      var _this = this;
-
-      var link = document.createElement('a');
-      link.href = this.psv.config.downloadUrl || this.psv.config.panorama;
-      link.download = link.href.split('/').pop();
-      this.psv.container.appendChild(link);
-      link.click();
-      setTimeout(function () {
-        _this.psv.container.removeChild(link);
-      }, 100);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var supported = this.psv.adapter.constructor.supportsDownload || this.psv.config.downloadUrl;
-
-      if (supported && !this.prop.visible) {
-        this.show();
-      } else if (!supported && this.prop.visible) {
-        this.hide();
-      }
-    };
-
-    return DownloadButton;
-  }(AbstractButton);
-  DownloadButton.id = 'download';
-  DownloadButton.icon = download;
-
-  var fullscreenIn = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M100 40H87.1V18.8h-21V6H100zM100 93.2H66V80.3h21.1v-21H100zM34 93.2H0v-34h12.9v21.1h21zM12.9 40H0V6h34v12.9H12.8z\"/><!--Created by Garrett Knoll from the Noun Project--></svg>\n";
-
-  var fullscreenOut = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M66 7h13v21h21v13H66zM66 60.3h34v12.9H79v21H66zM0 60.3h34v34H21V73.1H0zM21 7h13v34H0V28h21z\"/><!--Created by Garrett Knoll from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar fullscreen button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var FullscreenButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(FullscreenButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function FullscreenButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-fullscreen-button') || this;
-
-      _this.psv.on(EVENTS.FULLSCREEN_UPDATED, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = FullscreenButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.FULLSCREEN_UPDATED, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * Handle events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.FULLSCREEN_UPDATED:
-          this.toggleActive(e.args[0]);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @description Toggles fullscreen
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      this.psv.toggleFullscreen();
-    };
-
-    return FullscreenButton;
-  }(AbstractButton);
-  FullscreenButton.id = 'fullscreen';
-  FullscreenButton.icon = fullscreenIn;
-  FullscreenButton.iconActive = fullscreenOut;
-
-  var menuIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"10 10 80 80\"><g fill=\"currentColor\"><circle r=\"10\" cx=\"20\" cy=\"20\"/><circle r=\"10\" cx=\"50\" cy=\"20\"/><circle r=\"10\" cx=\"80\" cy=\"20\"/><circle r=\"10\" cx=\"20\" cy=\"50\"/><circle r=\"10\" cx=\"50\" cy=\"50\"/><circle r=\"10\" cx=\"80\" cy=\"50\"/><circle r=\"10\" cx=\"20\" cy=\"80\"/><circle r=\"10\" cx=\"50\" cy=\"80\"/><circle r=\"10\" cx=\"80\" cy=\"80\"/></g><!-- Created by Richard Kunák from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar menu button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var MenuButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(MenuButton, _AbstractButton);
-
-    /**
-     * @summary Property name added to buttons list
-     * @type {string}
-     * @constant
-     */
-
-    /**
-     * @summary Menu template
-     * @param {AbstractButton[]} buttons
-     * @param {PSV.Viewer} psv
-     * @param {string} dataKey
-     * @returns {string}
-     */
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MenuButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-menu-button') || this;
-
-      _this.psv.on(EVENTS.OPEN_PANEL, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.CLOSE_PANEL, _assertThisInitialized(_this));
-
-      _AbstractButton.prototype.hide.call(_assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = MenuButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.OPEN_PANEL, this);
-      this.psv.off(EVENTS.CLOSE_PANEL, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.OPEN_PANEL:
-          this.toggleActive(e.args[0] === IDS.MENU);
-          break;
-
-        case EVENTS.CLOSE_PANEL:
-          this.toggleActive(false);
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide(refresh) {
-      _AbstractButton.prototype.hide.call(this, refresh);
-
-      this.__hideMenu();
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show(refresh) {
-      _AbstractButton.prototype.show.call(this, refresh);
-
-      if (this.prop.active) {
-        this.__showMenu();
-      }
-    }
-    /**
-     * @override
-     * @description Toggles menu
-     */
-    ;
-
-    _proto.onClick = function onClick() {
-      if (this.prop.active) {
-        this.__hideMenu();
-      } else {
-        this.__showMenu();
-      }
-    };
-
-    _proto.__showMenu = function __showMenu() {
-      var _this2 = this;
-
-      this.psv.panel.show({
-        id: IDS.MENU,
-        content: MenuButton.MENU_TEMPLATE(this.parent.collapsed, this.psv, dasherize(MenuButton.BUTTON_DATA)),
-        noMargin: true,
-        clickHandler: function clickHandler(e) {
-          var li = e.target ? getClosest(e.target, 'li') : undefined;
-          var buttonId = li ? li.dataset[MenuButton.BUTTON_DATA] : undefined;
-
-          if (buttonId) {
-            _this2.parent.getButton(buttonId).onClick();
-
-            _this2.__hideMenu();
-          }
-        }
-      });
-    };
-
-    _proto.__hideMenu = function __hideMenu() {
-      this.psv.panel.hide(IDS.MENU);
-    };
-
-    return MenuButton;
-  }(AbstractButton);
-  MenuButton.id = 'menu';
-  MenuButton.icon = menuIcon;
-  MenuButton.BUTTON_DATA = 'psvButton';
-
-  MenuButton.MENU_TEMPLATE = function (buttons, psv, dataKey) {
-    return "\n<div class=\"psv-panel-menu psv-panel-menu--stripped\">\n  <h1 class=\"psv-panel-menu-title\">" + menuIcon + " " + psv.config.lang.menu + "</h1>\n  <ul class=\"psv-panel-menu-list\">\n    " + buttons.map(function (button) {
-      return "\n    <li data-" + dataKey + "=\"" + button.prop.id + "\" class=\"psv-panel-menu-item\" tabindex=\"0\">\n      <span class=\"psv-panel-menu-item-icon\">" + button.container.innerHTML + "</span>\n      <span class=\"psv-panel-menu-item-label\">" + button.container.title + "</span>\n    </li>\n    ";
-    }).join('') + "\n  </ul>\n</div>\n";
-  };
-
-  var arrow = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"40 40 432 432\"><g transform=\"rotate(0, 256, 256)\"><path fill=\"currentColor\" d=\"M425.23 210.55H227.39a5 5 0 01-3.53-8.53l56.56-56.57a45.5 45.5 0 000-64.28 45.15 45.15 0 00-32.13-13.3 45.15 45.15 0 00-32.14 13.3L41.32 256l174.83 174.83a45.15 45.15 0 0032.14 13.3 45.15 45.15 0 0032.13-13.3 45.5 45.5 0 000-64.28l-56.57-56.57a5 5 0 013.54-8.53h197.84c25.06 0 45.45-20.39 45.45-45.45s-20.4-45.45-45.45-45.45z\"/></g><!-- Created by Flatart from the Noun Project --></svg>\n";
-
-  /**
-   * @summary Helper for pressable things (buttons, keyboard)
-   * @description When the pressed thing goes up and was not pressed long enough, wait a bit more before execution
-   * @private
-   */
-  var PressHandler = /*#__PURE__*/function () {
-    function PressHandler(delay) {
-      if (delay === void 0) {
-        delay = 200;
-      }
-
-      this.delay = delay;
-      this.time = 0;
-      this.timeout = null;
-    }
-
-    var _proto = PressHandler.prototype;
-
-    _proto.down = function down() {
-      if (this.timeout) {
-        clearTimeout(this.timeout);
-        this.timeout = null;
-      }
-
-      this.time = new Date().getTime();
-    };
-
-    _proto.up = function up(cb) {
-      var _this = this;
-
-      if (!this.time) {
-        return;
-      }
-
-      var elapsed = new Date().getTime() - this.time;
-
-      if (elapsed < this.delay) {
-        this.timeout = setTimeout(function () {
-          cb();
-          _this.timeout = null;
-          _this.time = 0;
-        }, this.delay);
-      } else {
-        cb();
-        this.time = 0;
-      }
-    };
-
-    return PressHandler;
-  }();
-
-  function getOrientedArrow(direction) {
-    var angle = 0;
-
-    switch (direction) {
-      // @formatter:off
-      case 'up':
-        angle = 90;
-        break;
-
-      case 'right':
-        angle = 180;
-        break;
-
-      case 'down':
-        angle = -90;
-        break;
-
-      default:
-        angle = 0;
-        break;
-      // @formatter:on
-    }
-
-    return arrow.replace('rotate(0', "rotate(" + angle);
-  }
-  /**
-   * @summary Navigation bar move button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AbstractMoveButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AbstractMoveButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {number} value
-     */
-    function AbstractMoveButton(navbar, value) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-move-button') || this;
-      _this.container.title = _this.psv.config.lang.move;
-      /**
-       * @override
-       * @property {{longitude: boolean, latitude: boolean}} value
-       * @property {PressHandler} handler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        value: value,
-        handler: new PressHandler()
-      });
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keydown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keyup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AbstractMoveButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__onMouseUp();
-
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp();
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp();
-
-          break;
-
-        case 'keydown':
-          e.key === KEY_CODES.Enter && this.__onMouseDown();
-          break;
-
-        case 'keyup':
-          e.key === KEY_CODES.Enter && this.__onMouseUp();
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown() {
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.psv.__stopAll();
-
-      this.psv.dynamics.position.roll(this.prop.value);
-      this.prop.handler.down();
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp() {
-      var _this2 = this;
-
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.prop.handler.up(function () {
-        _this2.psv.dynamics.position.stop();
-
-        _this2.psv.resetIdleTimer();
-      });
-    };
-
-    return AbstractMoveButton;
-  }(AbstractButton);
-  AbstractMoveButton.groupId = 'move';
-
-  /**
-   * @summary Navigation bar move down button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveDownButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveDownButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveDownButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        latitude: true
-      }) || this;
-    }
-
-    return MoveDownButton;
-  }(AbstractMoveButton);
-  MoveDownButton.id = 'moveDown';
-  MoveDownButton.icon = getOrientedArrow('down');
-
-  /**
-   * @summary Navigation bar move left button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveLeftButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveLeftButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveLeftButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        longitude: true
-      }) || this;
-    }
-
-    return MoveLeftButton;
-  }(AbstractMoveButton);
-  MoveLeftButton.id = 'moveLeft';
-  MoveLeftButton.icon = getOrientedArrow('left');
-
-  /**
-   * @summary Navigation bar move right button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveRightButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveRightButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveRightButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        longitude: false
-      }) || this;
-    }
-
-    return MoveRightButton;
-  }(AbstractMoveButton);
-  MoveRightButton.id = 'moveRight';
-  MoveRightButton.icon = getOrientedArrow('right');
-
-  /**
-   * @summary Navigation bar move up button class
-   * @extends PSV.buttons.AbstractMoveButton
-   * @memberof PSV.buttons
-   */
-
-  var MoveUpButton = /*#__PURE__*/function (_AbstractMoveButton) {
-    _inheritsLoose(MoveUpButton, _AbstractMoveButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function MoveUpButton(navbar) {
-      return _AbstractMoveButton.call(this, navbar, {
-        latitude: false
-      }) || this;
-    }
-
-    return MoveUpButton;
-  }(AbstractMoveButton);
-  MoveUpButton.id = 'moveUp';
-  MoveUpButton.icon = getOrientedArrow('up');
-
-  /**
-   * @summary Navigation bar zoom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var AbstractZoomButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(AbstractZoomButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {number} value
-     */
-    function AbstractZoomButton(navbar, value) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-button--hover-scale psv-zoom-button') || this;
-      /**
-       * @override
-       * @property {boolean} value
-       * @property {PressHandler} handler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        value: value,
-        handler: new PressHandler()
-      });
-
-      _this.container.addEventListener('mousedown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keydown', _assertThisInitialized(_this));
-
-      _this.container.addEventListener('keyup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = AbstractZoomButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__onMouseUp();
-
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp();
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp();
-
-          break;
-
-        case 'keydown':
-          e.key === KEY_CODES.Enter && this.__onMouseDown();
-          break;
-
-        case 'keyup':
-          e.key === KEY_CODES.Enter && this.__onMouseUp();
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown() {
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.psv.dynamics.zoom.roll(this.prop.value);
-      this.prop.handler.down();
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp() {
-      var _this2 = this;
-
-      if (!this.prop.enabled) {
-        return;
-      }
-
-      this.prop.handler.up(function () {
-        return _this2.psv.dynamics.zoom.stop();
-      });
-    };
-
-    return AbstractZoomButton;
-  }(AbstractButton);
-  AbstractZoomButton.groupId = 'zoom';
-
-  var zoomIn = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 20 20\"><path fill=\"currentColor\" d=\"M14.043 12.22a7.738 7.738 0 1 0-1.823 1.822l4.985 4.985c.503.504 1.32.504 1.822 0a1.285 1.285 0 0 0 0-1.822l-4.984-4.985zm-6.305 1.043a5.527 5.527 0 1 1 0-11.053 5.527 5.527 0 0 1 0 11.053z\"/><path fill=\"currentColor\" d=\"M8.728 4.009H6.744v2.737H4.006V8.73h2.738v2.736h1.984V8.73h2.737V6.746H8.728z\"/><!--Created by Ryan Canning from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar zoom-in button class
-   * @extends PSV.buttons.AbstractZoomButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomInButton = /*#__PURE__*/function (_AbstractZoomButton) {
-    _inheritsLoose(ZoomInButton, _AbstractZoomButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomInButton(navbar) {
-      return _AbstractZoomButton.call(this, navbar, false) || this;
-    }
-
-    return ZoomInButton;
-  }(AbstractZoomButton);
-  ZoomInButton.id = 'zoomIn';
-  ZoomInButton.icon = zoomIn;
-
-  var zoomOut = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 20 20\"><path fill=\"currentColor\" d=\"M14.043 12.22a7.738 7.738 0 1 0-1.823 1.822l4.985 4.985c.503.504 1.32.504 1.822 0a1.285 1.285 0 0 0 0-1.822l-4.984-4.985zm-6.305 1.043a5.527 5.527 0 1 1 0-11.053 5.527 5.527 0 0 1 0 11.053z\"/><path fill=\"currentColor\" d=\"M4.006 6.746h7.459V8.73H4.006z\"/><!--Created by Ryan Canning from the Noun Project--></svg>\n";
-
-  /**
-   * @summary Navigation bar zoom-out button class
-   * @extends PSV.buttons.AbstractZoomButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomOutButton = /*#__PURE__*/function (_AbstractZoomButton) {
-    _inheritsLoose(ZoomOutButton, _AbstractZoomButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomOutButton(navbar) {
-      return _AbstractZoomButton.call(this, navbar, true) || this;
-    }
-
-    return ZoomOutButton;
-  }(AbstractZoomButton);
-  ZoomOutButton.id = 'zoomOut';
-  ZoomOutButton.icon = zoomOut;
-
-  /**
-   * @summary Navigation bar zoom button class
-   * @extends PSV.buttons.AbstractButton
-   * @memberof PSV.buttons
-   */
-
-  var ZoomRangeButton = /*#__PURE__*/function (_AbstractButton) {
-    _inheritsLoose(ZoomRangeButton, _AbstractButton);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     */
-    function ZoomRangeButton(navbar) {
-      var _this;
-
-      _this = _AbstractButton.call(this, navbar, 'psv-zoom-range', false, false) || this;
-      /**
-       * @override
-       * @property {number} mediaMinWidth
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        mediaMinWidth: 0
-      });
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.zoomRange = document.createElement('div');
-      _this.zoomRange.className = 'psv-zoom-range-line';
-
-      _this.container.appendChild(_this.zoomRange);
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.zoomValue = document.createElement('div');
-      _this.zoomValue.className = 'psv-zoom-range-handle';
-
-      _this.zoomRange.appendChild(_this.zoomValue);
-      /**
-       * @member {PSV.Slider}
-       * @readonly
-       * @private
-       */
-
-
-      _this.slider = new Slider({
-        container: _this.container,
-        direction: Slider.HORIZONTAL,
-        onUpdate: function onUpdate(e) {
-          return _this.__onSliderUpdate(e);
-        }
-      });
-      _this.prop.mediaMinWidth = parseInt(getStyle(_this.container, 'maxWidth'), 10);
-
-      _this.psv.on(EVENTS.ZOOM_UPDATED, _assertThisInitialized(_this));
-
-      if (_this.psv.prop.ready) {
-        _this.__moveZoomValue(_this.psv.getZoomLevel());
-      } else {
-        _this.psv.once(EVENTS.READY, _assertThisInitialized(_this));
-      }
-
-      _this.refreshUi();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = ZoomRangeButton.prototype;
-
-    _proto.destroy = function destroy() {
-      this.slider.destroy();
-      delete this.zoomRange;
-      delete this.zoomValue;
-      this.psv.off(EVENTS.ZOOM_UPDATED, this);
-      this.psv.off(EVENTS.READY, this);
-
-      _AbstractButton.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case EVENTS.ZOOM_UPDATED:
-          this.__moveZoomValue(e.args[0]);
-
-          break;
-
-        case EVENTS.READY:
-          this.__moveZoomValue(this.psv.getZoomLevel());
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.isSupported = function isSupported() {
-      return {
-        initial: !SYSTEM.isTouchEnabled.initial,
-        promise: SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-          return !enabled;
-        })
-      };
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      if (this.prop.supported) {
-        if (this.psv.prop.size.width <= this.prop.mediaMinWidth && this.prop.visible) {
-          this.hide();
-        } else if (this.psv.prop.size.width > this.prop.mediaMinWidth && !this.prop.visible) {
-          this.show();
-        }
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.onClick = function onClick() {// nothing
-    }
-    /**
-     * @summary Moves the zoom cursor
-     * @param {number} level
-     * @private
-     */
-    ;
-
-    _proto.__moveZoomValue = function __moveZoomValue(level) {
-      this.zoomValue.style.left = level / 100 * this.zoomRange.offsetWidth - this.zoomValue.offsetWidth / 2 + 'px';
-    }
-    /**
-     * @summary Zoom change
-     * @private
-     */
-    ;
-
-    _proto.__onSliderUpdate = function __onSliderUpdate(e) {
-      if (e.mousedown) {
-        this.psv.zoom(e.value * 100);
-      }
-    };
-
-    return ZoomRangeButton;
-  }(AbstractButton);
-  ZoomRangeButton.id = 'zoomRange';
-  ZoomRangeButton.groupId = 'zoom';
-
-  /**
-   * @namespace PSV.plugins
-   */
-
-  /**
-   * @summary Base plugins class
-   * @memberof PSV.plugins
-   * @abstract
-   */
-
-  var AbstractPlugin = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(AbstractPlugin, _EventEmitter);
-
-    /**
-     * @summary Unique identifier of the plugin
-     * @member {string}
-     * @readonly
-     * @static
-     */
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractPlugin(psv) {
-      var _this;
-
-      _this = _EventEmitter.call(this) || this;
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-
-      _this.psv = psv;
-      return _this;
-    }
-    /**
-     * @summary Initializes the plugin
-     * @package
-     */
-
-
-    var _proto = AbstractPlugin.prototype;
-
-    _proto.init = function init() {}
-    /**
-     * @summary Destroys the plugin
-     * @package
-     */
-    ;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-    };
-
-    return AbstractPlugin;
-  }(uevent.EventEmitter);
-  AbstractPlugin.id = null;
-
-  var _keyboard;
-  /**
-   * @summary Default options
-   * @type {PSV.Options}
-   * @memberOf PSV
-   * @constant
-   */
-
-  var DEFAULTS = {
-    panorama: null,
-    overlay: null,
-    overlayOpacity: 1,
-    container: null,
-    adapter: null,
-    plugins: [],
-    caption: null,
-    description: null,
-    downloadUrl: null,
-    loadingImg: null,
-    loadingTxt: 'Loading...',
-    size: null,
-    fisheye: false,
-    minFov: 30,
-    maxFov: 90,
-    defaultZoomLvl: 50,
-    defaultLong: 0,
-    defaultLat: 0,
-    sphereCorrection: null,
-    moveSpeed: 1,
-    zoomSpeed: 1,
-    autorotateDelay: null,
-    autorotateIdle: false,
-    autorotateSpeed: '2rpm',
-    autorotateLat: null,
-    moveInertia: true,
-    mousewheel: true,
-    mousemove: true,
-    captureCursor: false,
-    mousewheelCtrlKey: false,
-    touchmoveTwoFingers: false,
-    useXmpData: true,
-    panoData: null,
-    requestHeaders: null,
-    canvasBackground: '#000',
-    withCredentials: false,
-    navbar: ['autorotate', 'zoom', 'move', 'download', 'description', 'caption', 'fullscreen'],
-    lang: {
-      autorotate: 'Automatic rotation',
-      zoom: 'Zoom',
-      zoomOut: 'Zoom out',
-      zoomIn: 'Zoom in',
-      move: 'Move',
-      download: 'Download',
-      fullscreen: 'Fullscreen',
-      menu: 'Menu',
-      twoFingers: 'Use two fingers to navigate',
-      ctrlZoom: 'Use ctrl + scroll to zoom the image',
-      loadError: 'The panorama can\'t be loaded'
-    },
-    keyboard: (_keyboard = {}, _keyboard[KEY_CODES.ArrowUp] = ACTIONS.ROTATE_LAT_UP, _keyboard[KEY_CODES.ArrowDown] = ACTIONS.ROTATE_LAT_DOWN, _keyboard[KEY_CODES.ArrowRight] = ACTIONS.ROTATE_LONG_RIGHT, _keyboard[KEY_CODES.ArrowLeft] = ACTIONS.ROTATE_LONG_LEFT, _keyboard[KEY_CODES.PageUp] = ACTIONS.ZOOM_IN, _keyboard[KEY_CODES.PageDown] = ACTIONS.ZOOM_OUT, _keyboard[KEY_CODES.Plus] = ACTIONS.ZOOM_IN, _keyboard[KEY_CODES.Minus] = ACTIONS.ZOOM_OUT, _keyboard[KEY_CODES.Space] = ACTIONS.TOGGLE_AUTOROTATE, _keyboard)
-  };
-  /**
-   * @summary List of unmodifiable options and their error messages
-   * @private
-   */
-
-  var READONLY_OPTIONS = {
-    panorama: 'Use setPanorama method to change the panorama',
-    panoData: 'Use setPanorama method to change the panorama',
-    container: 'Cannot change viewer container',
-    adapter: 'Cannot change adapter',
-    plugins: 'Cannot change plugins'
-  };
-  /**
-   * @summary List of deprecated options and their warning messages
-   * @private
-   */
-
-  var DEPRECATED_OPTIONS = {
-    zoomButtonIncrement: 'zoomButtonIncrement is deprecated, use zoomSpeed',
-    mousewheelSpeed: 'mousewheelSpeed is deprecated, use zoomSpeed',
-    sphereCorrectionReorder: 'sphereCorrectionReorder is deprecated'
-  };
-  /**
-   * @summary Parsers/validators for each option
-   * @private
-   */
-
-  var CONFIG_PARSERS = {
-    container: function container(_container) {
-      if (!_container) {
-        throw new PSVError('No value given for container.');
-      }
-
-      return _container;
-    },
-    adapter: function adapter(_adapter) {
-      if (!_adapter) {
-        _adapter = [EquirectangularAdapter];
-      } else if (Array.isArray(_adapter)) {
-        _adapter = [pluginInterop(_adapter[0], AbstractAdapter), _adapter[1]];
-      } else {
-        _adapter = [pluginInterop(_adapter, AbstractAdapter)];
-      }
-
-      if (!_adapter[0]) {
-        throw new PSVError('Un undefined value with given for adapter.');
-      }
-
-      return _adapter;
-    },
-    overlayOpacity: function overlayOpacity(_overlayOpacity) {
-      return three.MathUtils.clamp(_overlayOpacity, 0, 1);
-    },
-    defaultLong: function defaultLong(_defaultLong) {
-      // defaultLat is between 0 and PI
-      return parseAngle(_defaultLong);
-    },
-    defaultLat: function defaultLat(_defaultLat) {
-      // defaultLat is between -PI/2 and PI/2
-      return parseAngle(_defaultLat, true);
-    },
-    minFov: function minFov(_minFov, config) {
-      // minFov and maxFov must be ordered
-      if (config.maxFov < _minFov) {
-        logWarn('maxFov cannot be lower than minFov');
-        _minFov = config.maxFov;
-      } // minFov between 1 and 179
-
-
-      return three.MathUtils.clamp(_minFov, 1, 179);
-    },
-    maxFov: function maxFov(_maxFov, config) {
-      // minFov and maxFov must be ordered
-      if (_maxFov < config.minFov) {
-        _maxFov = config.minFov;
-      } // maxFov between 1 and 179
-
-
-      return three.MathUtils.clamp(_maxFov, 1, 179);
-    },
-    lang: function lang(_lang) {
-      if (Array.isArray(_lang.twoFingers)) {
-        logWarn('lang.twoFingers must not be an array');
-        _lang.twoFingers = _lang.twoFingers[0];
-      }
-
-      return _extends({}, DEFAULTS.lang, _lang);
-    },
-    keyboard: function keyboard(_keyboard2) {
-      // keyboard=true becomes the default map
-      if (_keyboard2 === true) {
-        return clone(DEFAULTS.keyboard);
-      }
-
-      return _keyboard2;
-    },
-    autorotateLat: function autorotateLat(_autorotateLat, config) {
-      // default autorotateLat is defaultLat
-      if (_autorotateLat === null) {
-        return parseAngle(config.defaultLat, true);
-      } // autorotateLat is between -PI/2 and PI/2
-      else {
-        return parseAngle(_autorotateLat, true);
-      }
-    },
-    autorotateSpeed: function autorotateSpeed(_autorotateSpeed) {
-      return parseSpeed(_autorotateSpeed);
-    },
-    autorotateIdle: function autorotateIdle(_autorotateIdle, config) {
-      if (_autorotateIdle && isNil(config.autorotateDelay)) {
-        logWarn('autorotateIdle requires a non null autorotateDelay');
-        return false;
-      }
-
-      return _autorotateIdle;
-    },
-    fisheye: function fisheye(_fisheye) {
-      // translate boolean fisheye to amount
-      if (_fisheye === true) {
-        return 1;
-      } else if (_fisheye === false) {
-        return 0;
-      }
-
-      return _fisheye;
-    },
-    plugins: function plugins(_plugins) {
-      return _plugins.map(function (plugin) {
-        if (Array.isArray(plugin)) {
-          plugin = [pluginInterop(plugin[0], AbstractPlugin), plugin[1]];
-        } else {
-          plugin = [pluginInterop(plugin, AbstractPlugin)];
-        }
-
-        if (!plugin[0]) {
-          throw new PSVError('Un undefined value was given for plugins.');
-        }
-
-        return plugin;
-      });
-    }
-  };
-  /**
-   * @summary Merge user config with default config and performs validation
-   * @param {PSV.Options} options
-   * @returns {PSV.Options}
-   * @memberOf PSV
-   * @private
-   */
-
-  function getConfig(options) {
-    var tempConfig = clone(DEFAULTS);
-    deepmerge(tempConfig, options);
-    var config = {};
-    each(tempConfig, function (value, key) {
-      if (DEPRECATED_OPTIONS[key]) {
-        logWarn(DEPRECATED_OPTIONS[key]);
-        return;
-      }
-
-      if (!Object.prototype.hasOwnProperty.call(DEFAULTS, key)) {
-        throw new PSVError("Unknown option " + key);
-      }
-
-      if (CONFIG_PARSERS[key]) {
-        config[key] = CONFIG_PARSERS[key](value, tempConfig);
-      } else {
-        config[key] = value;
-      }
-    });
-    return config;
-  }
-
-  /**
-   * @summary Navbar caption class
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var NavbarCaption = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(NavbarCaption, _AbstractComponent);
-
-    /**
-     * @param {PSV.components.Navbar} navbar
-     * @param {string} caption
-     */
-    function NavbarCaption(navbar, caption) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, navbar, 'psv-caption') || this;
-      /**
-       * @override
-       * @property {string} id
-       * @property {boolean} collapsable
-       * @property {number} width
-       * @property {number} contentWidth - width of the caption content
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        id: _this.constructor.id,
-        collapsable: false,
-        width: 0,
-        contentWidth: 0
-      });
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-caption-content';
-
-      _this.container.appendChild(_this.content);
-
-      _this.setCaption(caption);
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = NavbarCaption.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Sets the bar caption
-     * @param {string} html
-     */
-    ;
-
-    _proto.setCaption = function setCaption(html) {
-      this.show();
-      this.content.innerHTML = html;
-      this.prop.contentWidth = html ? this.content.offsetWidth : 0;
-      this.refreshUi();
-    }
-    /**
-     * @summary Toggles content and icon depending on available space
-     * @private
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      var availableWidth = this.container.offsetWidth;
-
-      if (availableWidth >= this.prop.contentWidth) {
-        this.show();
-      } else if (availableWidth < this.prop.contentWidth) {
-        this.hide();
-      }
-
-      this.__refreshButton();
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.content.style.display = 'none';
-      this.prop.visible = false;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.show = function show() {
-      this.content.style.display = '';
-      this.prop.visible = true;
-    }
-    /**
-     * @private
-     */
-    ;
-
-    _proto.__refreshButton = function __refreshButton() {
-      var _this$psv$navbar$getB;
-
-      (_this$psv$navbar$getB = this.psv.navbar.getButton(DescriptionButton.id, false)) == null ? void 0 : _this$psv$navbar$getB.refreshUi(true);
-    };
-
-    return NavbarCaption;
-  }(AbstractComponent);
-  NavbarCaption.id = 'caption';
-
-  /**
-   * @summary List of available buttons
-   * @type {Object<string, Class<PSV.buttons.AbstractButton>>}
-   * @private
-   */
-
-  var AVAILABLE_BUTTONS = {};
-  /**
-   * @summary List of available buttons
-   * @type {Object<string, Array<Class<PSV.buttons.AbstractButton>>>}
-   * @private
-   */
-
-  var AVAILABLE_GROUPS = {};
-  /**
-   * @summary Register a new button available for all viewers
-   * @param {Class<PSV.buttons.AbstractButton>} button
-   * @param {'start' | 'end' | '[id]:left' | '[id]:right'} [defaultPosition]
-   *    If provided the default configuration of the navbar will be modified.
-   * @memberOf PSV
-   */
-
-  function registerButton(button, defaultPosition) {
-    if (!button.id) {
-      throw new PSVError('Button ID is required');
-    }
-
-    AVAILABLE_BUTTONS[button.id] = button;
-
-    if (button.groupId) {
-      AVAILABLE_GROUPS[button.groupId] = AVAILABLE_GROUPS[button.groupId] || [];
-      AVAILABLE_GROUPS[button.groupId].push(button);
-    }
-
-    if (typeof defaultPosition === 'string') {
-      switch (defaultPosition) {
-        case 'start':
-          DEFAULTS.navbar.unshift(button.id);
-          break;
-
-        case 'end':
-          DEFAULTS.navbar.push(button.id);
-          break;
-
-        default:
-          var _defaultPosition$spli = defaultPosition.split(':'),
-              id = _defaultPosition$spli[0],
-              pos = _defaultPosition$spli[1];
-
-          DEFAULTS.navbar.splice(DEFAULTS.navbar.indexOf(id) + (pos === 'right' ? 1 : 0), 0, button.id);
-      }
-    }
-  }
-  [AutorotateButton, ZoomOutButton, ZoomRangeButton, ZoomInButton, DescriptionButton, DownloadButton, FullscreenButton, MoveLeftButton, MoveRightButton, MoveUpButton, MoveDownButton].forEach(registerButton);
-  /**
-   * @summary Navigation bar component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Navbar = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Navbar, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Navbar(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-navbar psv--capture-event') || this;
-      /**
-       * @summary List of buttons of the navbar
-       * @member {PSV.buttons.AbstractButton[]}
-       * @override
-       */
-
-      _this.children = [];
-      /**
-       * @summary List of collapsed buttons
-       * @member {PSV.buttons.AbstractButton[]}
-       * @private
-       */
-
-      _this.collapsed = [];
-      return _this;
-    }
-    /**
-     * @summary Change the buttons visible on the navbar
-     * @param {string|Array<string|PSV.NavbarCustomButton>} buttons
-     * @throws {PSV.PSVError} when a button is unknown
-     */
-
-
-    var _proto = Navbar.prototype;
-
-    _proto.setButtons = function setButtons(buttons) {
-      var _this2 = this;
-
-      this.children.slice().forEach(function (item) {
-        return item.destroy();
-      });
-      this.children.length = 0;
-
-      var cleanedButtons = this.__cleanButtons(buttons); // force description button if caption is present (used on narrow screens)
-
-
-      if (cleanedButtons.indexOf(NavbarCaption.id) !== -1 && cleanedButtons.indexOf(DescriptionButton.id) === -1) {
-        cleanedButtons.splice(cleanedButtons.indexOf(NavbarCaption.id), 0, DescriptionButton.id);
-      }
-      /* eslint-disable no-new */
-
-
-      cleanedButtons.forEach(function (button) {
-        if (typeof button === 'object') {
-          new CustomButton(_this2, button);
-        } else if (AVAILABLE_BUTTONS[button]) {
-          new AVAILABLE_BUTTONS[button](_this2);
-        } else if (AVAILABLE_GROUPS[button]) {
-          AVAILABLE_GROUPS[button].forEach(function (buttonCtor) {
-            return new buttonCtor(_this2);
-          }); // eslint-disable-line new-cap
-        } else if (button === NavbarCaption.id) {
-          new NavbarCaption(_this2, _this2.psv.config.caption);
-        } else {
-          throw new PSVError('Unknown button ' + button);
-        }
-      });
-      new MenuButton(this);
-      /* eslint-enable no-new */
-
-      this.children.forEach(function (item) {
-        if (typeof item.checkSupported === 'function') {
-          item.checkSupported();
-        }
-      });
-    }
-    /**
-     * @summary Sets the bar caption
-     * @param {string} html
-     */
-    ;
-
-    _proto.setCaption = function setCaption(html) {
-      var caption = this.getButton(NavbarCaption.id, false);
-      caption == null ? void 0 : caption.setCaption(html);
-    }
-    /**
-     * @summary Returns a button by its identifier
-     * @param {string} id
-     * @param {boolean} [warnNotFound=true]
-     * @returns {PSV.buttons.AbstractButton}
-     */
-    ;
-
-    _proto.getButton = function getButton(id, warnNotFound) {
-      if (warnNotFound === void 0) {
-        warnNotFound = true;
-      }
-
-      var button = null;
-      this.children.some(function (item) {
-        if (item.prop.id === id) {
-          button = item;
-          return true;
-        } else {
-          return false;
-        }
-      });
-
-      if (!button && warnNotFound) {
-        logWarn("button \"" + id + "\" not found in the navbar");
-      }
-
-      return button;
-    }
-    /**
-     * @summary Shows the navbar
-     */
-    ;
-
-    _proto.show = function show() {
-      this.container.classList.add('psv-navbar--open');
-      this.prop.visible = true;
-    }
-    /**
-     * @summary Hides the navbar
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.classList.remove('psv-navbar--open');
-      this.prop.visible = false;
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      _AbstractComponent.prototype.refreshUi.call(this);
-
-      if (this.psv.prop.uiRefresh === true) {
-        var availableWidth = this.container.offsetWidth;
-        var totalWidth = 0;
-        var visibleButtons = [];
-        var collapsableButtons = [];
-        this.children.forEach(function (item) {
-          if (item.prop.visible) {
-            totalWidth += item.prop.width;
-            visibleButtons.push(item);
-
-            if (item.prop.collapsable) {
-              collapsableButtons.push(item);
-            }
-          }
-        });
-
-        if (!visibleButtons.length) {
-          return;
-        }
-
-        if (availableWidth < totalWidth && collapsableButtons.length > 0) {
-          collapsableButtons.forEach(function (item) {
-            return item.collapse();
-          });
-          this.collapsed = collapsableButtons;
-          this.getButton(MenuButton.id).show(false);
-        } else if (availableWidth >= totalWidth && this.collapsed.length > 0) {
-          this.collapsed.forEach(function (item) {
-            return item.uncollapse();
-          });
-          this.collapsed = [];
-          this.getButton(MenuButton.id).hide(false);
-        }
-
-        var caption = this.getButton(NavbarCaption.id, false);
-
-        if (caption) {
-          caption.refreshUi();
-        }
-      }
-    }
-    /**
-     * @summary Ensure the buttons configuration is correct
-     * @private
-     */
-    ;
-
-    _proto.__cleanButtons = function __cleanButtons(buttons) {
-      // true becomes the default array
-      if (buttons === true) {
-        return clone(DEFAULTS.navbar);
-      } // can be a space or coma separated list
-      else if (typeof buttons === 'string') {
-        return buttons.split(/[ ,]/);
-      } else {
-        return buttons || [];
-      }
-    };
-
-    return Navbar;
-  }(AbstractComponent);
-
-  /**
-   * @summary Loader component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Loader = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Loader, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Loader(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-loader-container') || this;
-      /**
-       * @summary Inner container for vertical center
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.loader = document.createElement('div');
-      _this.loader.className = 'psv-loader';
-
-      _this.container.appendChild(_this.loader);
-      /**
-       * @summary Animation canvas
-       * @member {HTMLCanvasElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.canvas = document.createElement('canvas');
-      _this.canvas.className = 'psv-loader-canvas';
-      _this.canvas.width = _this.loader.clientWidth * SYSTEM.pixelRatio;
-      _this.canvas.height = _this.loader.clientWidth * SYSTEM.pixelRatio;
-
-      _this.loader.appendChild(_this.canvas);
-      /**
-       * @override
-       * @property {number} thickness
-       * @property {string} current
-       */
-
-
-      _this.prop = _extends({}, _this.prop, {
-        tickness: (_this.loader.offsetWidth - _this.loader.clientWidth) / 2 * SYSTEM.pixelRatio,
-        current: null
-      });
-
-      _this.refreshUi();
-
-      _this.hide();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Loader.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.loader;
-      delete this.canvas;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi() {
-      if (this.prop.current !== (this.psv.config.loadingImg || this.psv.config.loadingTxt)) {
-        if (this.prop.current) {
-          this.loader.removeChild(this.loader.lastChild);
-        }
-
-        var inner;
-
-        if (this.psv.config.loadingImg) {
-          inner = document.createElement('img');
-          inner.className = 'psv-loader-image';
-          inner.src = this.psv.config.loadingImg;
-        } else if (this.psv.config.loadingTxt) {
-          inner = document.createElement('div');
-          inner.className = 'psv-loader-text';
-          inner.innerHTML = this.psv.config.loadingTxt;
-        }
-
-        if (inner) {
-          var size = Math.round(Math.sqrt(2 * Math.pow((this.canvas.width / 2 - this.prop.tickness / 2) / SYSTEM.pixelRatio, 2)));
-          inner.style.maxWidth = size + 'px';
-          inner.style.maxHeight = size + 'px';
-          this.loader.appendChild(inner);
-        }
-
-        this.prop.current = this.psv.config.loadingImg || this.psv.config.loadingTxt;
-      }
-    }
-    /**
-     * @summary Sets the loader progression
-     * @param {number} value - from 0 to 100
-     */
-    ;
-
-    _proto.setProgress = function setProgress(value) {
-      var context = this.canvas.getContext('2d');
-      context.clearRect(0, 0, this.canvas.width, this.canvas.height);
-      context.lineWidth = this.prop.tickness;
-      context.strokeStyle = getStyle(this.loader, 'color');
-      context.beginPath();
-      context.arc(this.canvas.width / 2, this.canvas.height / 2, this.canvas.width / 2 - this.prop.tickness / 2, -Math.PI / 2, three.MathUtils.clamp(value, 0, 100) / 100 * 2 * Math.PI - Math.PI / 2);
-      context.stroke();
-      this.psv.trigger(EVENTS.LOAD_PROGRESS, Math.round(value));
-    };
-
-    return Loader;
-  }(AbstractComponent);
-
-  /**
-   * @summary Notification component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Notification = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Notification, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Notification(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-notification') || this;
-      /**
-       * @override
-       * @property {*} timeout
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        visible: false,
-        contentId: undefined,
-        timeout: null
-      });
-      /**
-       * Notification content
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-notification-content';
-
-      _this.container.appendChild(_this.content);
-
-      _this.content.addEventListener('click', function () {
-        return _this.hide();
-      });
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Notification.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Notification cannot be toggled');
-    }
-    /**
-     * @summary Displays a notification on the viewer
-     * @param {Object|string} config
-     * @param {string} [config.id] - unique identifier to use with "hide"
-     * @param {string} config.content
-     * @param {number} [config.timeout]
-     * @fires PSV.show-notification
-     *
-     * @example
-     * viewer.showNotification({ content: 'Hello world', timeout: 5000 })
-     * @example
-     * viewer.showNotification('Hello world')
-     */
-    ;
-
-    _proto.show = function show(config) {
-      var _this2 = this;
-
-      if (this.prop.timeout) {
-        clearTimeout(this.prop.timeout);
-        this.prop.timeout = null;
-      }
-
-      if (typeof config === 'string') {
-        config = {
-          content: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.content.innerHTML = config.content;
-      this.container.classList.add('psv-notification--visible');
-      this.prop.visible = true;
-      this.psv.trigger(EVENTS.SHOW_NOTIFICATION, config.id);
-
-      if (config.timeout) {
-        this.prop.timeout = setTimeout(function () {
-          return _this2.hide(config.id);
-        }, config.timeout);
-      }
-    }
-    /**
-     * @summary Hides the notification
-     * @param {string} [id]
-     * @fires PSV.hide-notification
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-        this.container.classList.remove('psv-notification--visible');
-        this.prop.visible = false;
-        this.prop.contentId = undefined;
-        this.psv.trigger(EVENTS.HIDE_NOTIFICATION, contentId);
-      }
-    };
-
-    return Notification;
-  }(AbstractComponent);
-
-  /**
-   * @summary Overlay component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Overlay = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Overlay, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Overlay(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-overlay') || this;
-      /**
-       * @override
-       * @property {string} contentId
-       * @property {boolean} dissmisable
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        contentId: undefined,
-        dissmisable: true
-      });
-      /**
-       * Image container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.image = document.createElement('div');
-      _this.image.className = 'psv-overlay-image';
-
-      _this.container.appendChild(_this.image);
-      /**
-       * Text container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.text = document.createElement('div');
-      _this.text.className = 'psv-overlay-text';
-
-      _this.container.appendChild(_this.text);
-      /**
-       * Subtext container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.subtext = document.createElement('div');
-      _this.subtext.className = 'psv-overlay-subtext';
-
-      _this.container.appendChild(_this.subtext);
-
-      _this.psv.on(EVENTS.CLICK, _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.KEY_PRESS, _assertThisInitialized(_this));
-
-      _AbstractComponent.prototype.hide.call(_assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Overlay.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.CLICK, this);
-      this.psv.off(EVENTS.KEY_PRESS, this);
-      delete this.image;
-      delete this.text;
-      delete this.subtext;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        case EVENTS.CLICK:
-          if (this.isVisible() && this.prop.dissmisable) {
-            this.hide();
-            e.stopPropagation();
-          }
-
-          break;
-
-        case EVENTS.KEY_PRESS:
-          if (this.isVisible() && this.prop.dissmisable && e.args[0] === KEY_CODES.Escape) {
-            this.hide();
-            e.preventDefault();
-          }
-
-          break;
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Overlay cannot be toggled');
-    }
-    /**
-     * @summary Displays an overlay on the viewer
-     * @param {Object|string} config
-     * @param {string} [config.id] - unique identifier to use with "hide"
-     * @param {string} config.image - SVG image/icon displayed above the text
-     * @param {string} config.text - main message
-     * @param {string} [config.subtext] - secondary message
-     * @param {boolean} [config.dissmisable=true] - if the user can hide the overlay by clicking
-     * @fires PSV.show-overlay
-     */
-    ;
-
-    _proto.show = function show(config) {
-      if (typeof config === 'string') {
-        config = {
-          text: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.prop.dissmisable = config.dissmisable !== false;
-      this.image.innerHTML = config.image || '';
-      this.text.innerHTML = config.text || '';
-      this.subtext.innerHTML = config.subtext || '';
-
-      _AbstractComponent.prototype.show.call(this);
-
-      this.psv.trigger(EVENTS.SHOW_OVERLAY, config.id);
-    }
-    /**
-     * @summary Hides the overlay
-     * @param {string} [id]
-     * @fires PSV.hide-overlay
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-
-        _AbstractComponent.prototype.hide.call(this);
-
-        this.prop.contentId = undefined;
-        this.psv.trigger(EVENTS.HIDE_OVERLAY, contentId);
-      }
-    };
-
-    return Overlay;
-  }(AbstractComponent);
-
-  /**
-   * @summary Minimum width of the panel
-   * @type {number}
-   * @constant
-   * @private
-   */
-
-  var PANEL_MIN_WIDTH = 200;
-  /**
-   * @summary Panel component
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Panel = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Panel, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Panel(psv) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-panel psv--capture-event') || this;
-      /**
-       * @override
-       * @property {string} contentId
-       * @property {number} mouseX
-       * @property {number} mouseY
-       * @property {boolean} mousedown
-       * @property {function} clickHandler
-       * @property {function} keyHandler
-       */
-
-      _this.prop = _extends({}, _this.prop, {
-        visible: false,
-        contentId: undefined,
-        mouseX: 0,
-        mouseY: 0,
-        mousedown: false,
-        clickHandler: null,
-        keyHandler: null,
-        width: {}
-      });
-      var resizer = document.createElement('div');
-      resizer.className = 'psv-panel-resizer';
-
-      _this.container.appendChild(resizer);
-
-      var closeBtn = document.createElement('div');
-      closeBtn.className = 'psv-panel-close-button';
-
-      _this.container.appendChild(closeBtn);
-      /**
-       * @summary Content container
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-panel-content';
-
-      _this.container.appendChild(_this.content); // Stop wheel event bubbling from panel
-
-
-      _this.container.addEventListener(SYSTEM.mouseWheelEvent, function (e) {
-        return e.stopPropagation();
-      });
-
-      closeBtn.addEventListener('click', function () {
-        return _this.hide();
-      }); // Event for panel resizing + stop bubling
-
-      resizer.addEventListener('mousedown', _assertThisInitialized(_this));
-      resizer.addEventListener('touchstart', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mouseup', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchend', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('mousemove', _assertThisInitialized(_this));
-
-      _this.psv.container.addEventListener('touchmove', _assertThisInitialized(_this));
-
-      _this.psv.on(EVENTS.KEY_PRESS, _assertThisInitialized(_this));
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Panel.prototype;
-
-    _proto.destroy = function destroy() {
-      this.psv.off(EVENTS.KEY_PRESS, this);
-      this.psv.container.removeEventListener('mousemove', this);
-      this.psv.container.removeEventListener('touchmove', this);
-      this.psv.container.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchend', this);
-      delete this.prop;
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'mousedown':
-          this.__onMouseDown(e);
-
-          break;
-
-        case 'touchstart':
-          this.__onTouchStart(e);
-
-          break;
-
-        case 'mousemove':
-          this.__onMouseMove(e);
-
-          break;
-
-        case 'touchmove':
-          this.__onTouchMove(e);
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(e);
-
-          break;
-
-        case 'touchend':
-          this.__onMouseUp(e);
-
-          break;
-
-        case EVENTS.KEY_PRESS:
-          if (this.isVisible() && e.args[0] === KEY_CODES.Escape) {
-            this.hide();
-            e.preventDefault();
-          }
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @param {string} [id]
-     */
-    ;
-
-    _proto.isVisible = function isVisible(id) {
-      return this.prop.visible && (!id || !this.prop.contentId || this.prop.contentId === id);
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Panel cannot be toggled');
-    }
-    /**
-     * @summary Shows the panel
-     * @param {string|Object} config
-     * @param {string} [config.id] - unique identifier to use with "hide" and to store the user desired width
-     * @param {string} config.content - HTML content of the panel
-     * @param {boolean} [config.noMargin=false] - remove the default margins
-     * @param {string} [config.width] - initial width
-     * @param {Function} [config.clickHandler] - called when the user clicks inside the panel or presses the Enter key while an element focused
-     * @fires PSV.open-panel
-     */
-    ;
-
-    _proto.show = function show(config) {
-      var _this2 = this;
-
-      var wasVisible = this.isVisible(config.id);
-
-      if (typeof config === 'string') {
-        config = {
-          content: config
-        };
-      }
-
-      this.prop.contentId = config.id;
-      this.prop.visible = true;
-
-      if (this.prop.clickHandler) {
-        this.content.removeEventListener('click', this.prop.clickHandler);
-        this.content.removeEventListener('keydown', this.prop.keyHandler);
-        this.prop.clickHandler = null;
-        this.prop.keyHandler = null;
-      }
-
-      if (config.id && this.prop.width[config.id]) {
-        this.container.style.width = this.prop.width[config.id];
-      } else if (config.width) {
-        this.container.style.width = config.width;
-      } else {
-        this.container.style.width = null;
-      }
-
-      this.content.innerHTML = config.content;
-      this.content.scrollTop = 0;
-      this.container.classList.add('psv-panel--open');
-      toggleClass(this.content, 'psv-panel-content--no-margin', config.noMargin === true);
-
-      if (config.clickHandler) {
-        this.prop.clickHandler = config.clickHandler;
-
-        this.prop.keyHandler = function (e) {
-          if (e.key === KEY_CODES.Enter) {
-            config.clickHandler(e);
-          }
-        };
-
-        this.content.addEventListener('click', this.prop.clickHandler);
-        this.content.addEventListener('keydown', this.prop.keyHandler); // focus the first element if possible, after animation ends
-
-        if (!wasVisible) {
-          setTimeout(function () {
-            var _this2$content$queryS;
-
-            (_this2$content$queryS = _this2.content.querySelector('a,button,[tabindex]')) == null ? void 0 : _this2$content$queryS.focus();
-          }, 300);
-        }
-      }
-
-      this.psv.trigger(EVENTS.OPEN_PANEL, config.id);
-    }
-    /**
-     * @summary Hides the panel
-     * @param {string} [id]
-     * @fires PSV.close-panel
-     */
-    ;
-
-    _proto.hide = function hide(id) {
-      if (this.isVisible(id)) {
-        var contentId = this.prop.contentId;
-        this.prop.visible = false;
-        this.prop.contentId = undefined;
-        this.content.innerHTML = null;
-        this.container.classList.remove('psv-panel--open');
-
-        if (this.prop.clickHandler) {
-          this.content.removeEventListener('click', this.prop.clickHandler);
-          this.prop.clickHandler = null;
-        }
-
-        this.psv.trigger(EVENTS.CLOSE_PANEL, contentId);
-      }
-    }
-    /**
-     * @summary Handles mouse down events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      evt.stopPropagation();
-
-      this.__startResize(evt);
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      evt.stopPropagation();
-
-      this.__startResize(evt.changedTouches[0]);
-    }
-    /**
-     * @summary Handles mouse up events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (this.prop.mousedown) {
-        evt.stopPropagation();
-        this.prop.mousedown = false;
-        this.content.classList.remove('psv-panel-content--no-interaction');
-      }
-    }
-    /**
-     * @summary Handles mouse move events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.prop.mousedown) {
-        evt.stopPropagation();
-
-        this.__resize(evt);
-      }
-    }
-    /**
-     * @summary Handles touch move events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      if (this.prop.mousedown) {
-        this.__resize(evt.touches[0]);
-      }
-    }
-    /**
-     * @summary Initializes the panel resize
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__startResize = function __startResize(evt) {
-      this.prop.mouseX = evt.clientX;
-      this.prop.mouseY = evt.clientY;
-      this.prop.mousedown = true;
-      this.content.classList.add('psv-panel-content--no-interaction');
-    }
-    /**
-     * @summary Resizes the panel
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__resize = function __resize(evt) {
-      var x = evt.clientX;
-      var y = evt.clientY;
-      var width = Math.max(PANEL_MIN_WIDTH, this.container.offsetWidth - (x - this.prop.mouseX)) + 'px';
-
-      if (this.prop.contentId) {
-        this.prop.width[this.prop.contentId] = width;
-      }
-
-      this.container.style.width = width;
-      this.prop.mouseX = x;
-      this.prop.mouseY = y;
-    };
-
-    return Panel;
-  }(AbstractComponent);
-
-  var errorIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"15 15 70 70\"><path fill=\"currentColor\" d=\"M50,16.2c-18.6,0-33.8,15.1-33.8,33.8S31.4,83.7,50,83.7S83.8,68.6,83.8,50S68.6,16.2,50,16.2z M50,80.2c-16.7,0-30.2-13.6-30.2-30.2S33.3,19.7,50,19.7S80.3,33.3,80.3,50S66.7,80.2,50,80.2z\"/><rect fill=\"currentColor\" x=\"48\" y=\"31.7\" width=\"4\" height=\"28\"/><rect fill=\"currentColor\" x=\"48\" y=\"63.2\" width=\"4\" height=\"5\"/><!--Created by Shastry from the Noun Project--></svg>\n";
-
-  /**
-   * @namespace PSV.services
-   */
-
-  /**
-   * @summary Base services class
-   * @memberof PSV.services
-   * @abstract
-   */
-  var AbstractService = /*#__PURE__*/function () {
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function AbstractService(psv) {
-      /**
-       * @summary Reference to main controller
-       * @type {PSV.Viewer}
-       * @readonly
-       */
-      this.psv = psv;
-      /**
-       * @summary Configuration holder
-       * @type {PSV.Options}
-       * @readonly
-       */
-
-      this.config = psv.config;
-      /**
-       * @summary Properties holder
-       * @type {Object}
-       * @readonly
-       */
-
-      this.prop = psv.prop;
-    }
-    /**
-     * @summary Destroys the service
-     */
-
-
-    var _proto = AbstractService.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.psv;
-      delete this.config;
-      delete this.prop;
-    };
-
-    return AbstractService;
-  }();
-
-  var vector2 = new three.Vector2();
-  var vector3 = new three.Vector3();
-  var eulerZero = new three.Euler(0, 0, 0, 'ZXY');
-  /**
-   * @summary Collections of data converters for the current viewer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var DataHelper = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(DataHelper, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function DataHelper(psv) {
-      return _AbstractService.call(this, psv) || this;
-    }
-    /**
-     * @summary Converts vertical FOV to zoom level
-     * @param {number} fov
-     * @returns {number}
-     */
-
-
-    var _proto = DataHelper.prototype;
-
-    _proto.fovToZoomLevel = function fovToZoomLevel(fov) {
-      var temp = Math.round((fov - this.config.minFov) / (this.config.maxFov - this.config.minFov) * 100);
-      return temp - 2 * (temp - 50);
-    }
-    /**
-     * @summary Converts zoom level to vertical FOV
-     * @param {number} level
-     * @returns {number}
-     */
-    ;
-
-    _proto.zoomLevelToFov = function zoomLevelToFov(level) {
-      return this.config.maxFov + level / 100 * (this.config.minFov - this.config.maxFov);
-    }
-    /**
-     * @summary Convert vertical FOV to horizontal FOV
-     * @param {number} vFov
-     * @returns {number}
-     */
-    ;
-
-    _proto.vFovToHFov = function vFovToHFov(vFov) {
-      return three.MathUtils.radToDeg(2 * Math.atan(Math.tan(three.MathUtils.degToRad(vFov) / 2) * this.prop.aspect));
-    }
-    /**
-     * @summary Converts a speed into a duration from current position to a new position
-     * @param {string|number} value
-     * @param {number} angle
-     * @returns {number}
-     */
-    ;
-
-    _proto.speedToDuration = function speedToDuration(value, angle) {
-      if (!value || typeof value !== 'number') {
-        // desired radial speed
-        var speed = value ? parseSpeed(value) : this.config.autorotateSpeed; // compute duration
-
-        return angle / Math.abs(speed) * 1000;
-      } else {
-        return Math.abs(value);
-      }
-    }
-    /**
-     * @summary Converts pixel texture coordinates to spherical radians coordinates
-     * @param {PSV.Point} point
-     * @returns {PSV.Position}
-     * @throws {PSV.PSVError} when the current adapter does not support texture coordinates
-     */
-    ;
-
-    _proto.textureCoordsToSphericalCoords = function textureCoordsToSphericalCoords(point) {
-      var panoData = this.prop.panoData;
-
-      if (!panoData) {
-        throw new PSVError('Current adapter does not support texture coordinates.');
-      }
-
-      var relativeX = (point.x + panoData.croppedX) / panoData.fullWidth * Math.PI * 2;
-      var relativeY = (point.y + panoData.croppedY) / panoData.fullHeight * Math.PI;
-      var result = {
-        longitude: relativeX >= Math.PI ? relativeX - Math.PI : relativeX + Math.PI,
-        latitude: Math.PI / 2 - relativeY
-      }; // Apply panoData pose and sphereCorrection
-
-      if (!eulerZero.equals(this.psv.renderer.mesh.rotation) || !eulerZero.equals(this.psv.renderer.meshContainer.rotation)) {
-        this.sphericalCoordsToVector3(result, vector3);
-        vector3.applyEuler(this.psv.renderer.mesh.rotation);
-        vector3.applyEuler(this.psv.renderer.meshContainer.rotation);
-        return this.vector3ToSphericalCoords(vector3);
-      } else {
-        return result;
-      }
-    }
-    /**
-     * @summary Converts spherical radians coordinates to pixel texture coordinates
-     * @param {PSV.Position} position
-     * @returns {PSV.Point}
-     * @throws {PSV.PSVError} when the current adapter does not support texture coordinates
-     */
-    ;
-
-    _proto.sphericalCoordsToTextureCoords = function sphericalCoordsToTextureCoords(position) {
-      var panoData = this.prop.panoData;
-
-      if (!panoData) {
-        throw new PSVError('Current adapter does not support texture coordinates.');
-      } // Apply panoData pose and sphereCorrection
-
-
-      if (!eulerZero.equals(this.psv.renderer.mesh.rotation) || !eulerZero.equals(this.psv.renderer.meshContainer.rotation)) {
-        this.sphericalCoordsToVector3(position, vector3);
-        applyEulerInverse(vector3, this.psv.renderer.meshContainer.rotation);
-        applyEulerInverse(vector3, this.psv.renderer.mesh.rotation);
-        position = this.vector3ToSphericalCoords(vector3);
-      }
-
-      var relativeLong = position.longitude / Math.PI / 2 * panoData.fullWidth;
-      var relativeLat = position.latitude / Math.PI * panoData.fullHeight;
-      return {
-        x: Math.round(position.longitude < Math.PI ? relativeLong + panoData.fullWidth / 2 : relativeLong - panoData.fullWidth / 2) - panoData.croppedX,
-        y: Math.round(panoData.fullHeight / 2 - relativeLat) - panoData.croppedY
-      };
-    }
-    /**
-     * @summary Converts spherical radians coordinates to a THREE.Vector3
-     * @param {PSV.Position} position
-     * @param {external:THREE.Vector3} [vector]
-     * @returns {external:THREE.Vector3}
-     */
-    ;
-
-    _proto.sphericalCoordsToVector3 = function sphericalCoordsToVector3(position, vector) {
-      if (!vector) {
-        vector = new three.Vector3();
-      }
-
-      vector.x = SPHERE_RADIUS * -Math.cos(position.latitude) * Math.sin(position.longitude);
-      vector.y = SPHERE_RADIUS * Math.sin(position.latitude);
-      vector.z = SPHERE_RADIUS * Math.cos(position.latitude) * Math.cos(position.longitude);
-      return vector;
-    }
-    /**
-     * @summary Converts a THREE.Vector3 to spherical radians coordinates
-     * @param {external:THREE.Vector3} vector
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.vector3ToSphericalCoords = function vector3ToSphericalCoords(vector) {
-      var phi = Math.acos(vector.y / Math.sqrt(vector.x * vector.x + vector.y * vector.y + vector.z * vector.z));
-      var theta = Math.atan2(vector.x, vector.z);
-      return {
-        longitude: theta < 0 ? -theta : Math.PI * 2 - theta,
-        latitude: Math.PI / 2 - phi
-      };
-    }
-    /**
-     * @summary Converts position on the viewer to a THREE.Vector3
-     * @param {PSV.Point} viewerPoint
-     * @returns {external:THREE.Vector3}
-     */
-    ;
-
-    _proto.viewerCoordsToVector3 = function viewerCoordsToVector3(viewerPoint) {
-      var sphereIntersect = this.getIntersections(viewerPoint).filter(function (i) {
-        return i.object.userData[MESH_USER_DATA];
-      });
-
-      if (sphereIntersect.length) {
-        return sphereIntersect[0].point;
-      } else {
-        return null;
-      }
-    }
-    /**
-     * @summary Converts a THREE.Vector3 to position on the viewer
-     * @param {external:THREE.Vector3} vector
-     * @returns {PSV.Point}
-     */
-    ;
-
-    _proto.vector3ToViewerCoords = function vector3ToViewerCoords(vector) {
-      var vectorClone = vector.clone();
-      vectorClone.project(this.psv.renderer.camera);
-      return {
-        x: Math.round((vectorClone.x + 1) / 2 * this.prop.size.width),
-        y: Math.round((1 - vectorClone.y) / 2 * this.prop.size.height)
-      };
-    }
-    /**
-     * @summary Converts spherical radians coordinates to position on the viewer
-     * @param {PSV.Position} position
-     * @returns {PSV.Point}
-     */
-    ;
-
-    _proto.sphericalCoordsToViewerCoords = function sphericalCoordsToViewerCoords(position) {
-      return this.vector3ToViewerCoords(this.sphericalCoordsToVector3(position, vector3));
-    }
-    /**
-     * @summary Returns intersections with objects in the scene
-     * @param {PSV.Point} viewerPoint
-     * @return {external:THREE.Intersection[]}
-     */
-    ;
-
-    _proto.getIntersections = function getIntersections(viewerPoint) {
-      vector2.x = 2 * viewerPoint.x / this.prop.size.width - 1;
-      vector2.y = -2 * viewerPoint.y / this.prop.size.height + 1;
-      this.psv.renderer.raycaster.setFromCamera(vector2, this.psv.renderer.camera);
-      return this.psv.renderer.raycaster.intersectObjects(this.psv.renderer.scene.children, true).filter(function (i) {
-        return !!i.object.userData;
-      });
-    }
-    /**
-     * @summary Converts x/y to latitude/longitude if present and ensure boundaries
-     * @param {PSV.ExtendedPosition} position
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.cleanPosition = function cleanPosition(position) {
-      if (position.x !== undefined && position.y !== undefined) {
-        return this.textureCoordsToSphericalCoords(position);
-      } else {
-        return {
-          longitude: parseAngle(position.longitude),
-          latitude: parseAngle(position.latitude, !this.prop.littlePlanet)
-        };
-      }
-    }
-    /**
-     * @summary Ensure a SphereCorrection object is valid
-     * @param {PSV.SphereCorrection} sphereCorrection
-     * @returns {PSV.SphereCorrection}
-     */
-    ;
-
-    _proto.cleanSphereCorrection = function cleanSphereCorrection(sphereCorrection) {
-      return {
-        pan: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.pan) || 0),
-        tilt: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.tilt) || 0, true),
-        roll: parseAngle((sphereCorrection == null ? void 0 : sphereCorrection.roll) || 0, true, false)
-      };
-    }
-    /**
-     * @summary Parse the pose angles of the pano data
-     * @param {PSV.PanoData} panoData
-     * @returns {PSV.SphereCorrection}
-     */
-    ;
-
-    _proto.cleanPanoramaPose = function cleanPanoramaPose(panoData) {
-      return {
-        pan: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.poseHeading) || 0),
-        tilt: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.posePitch) || 0),
-        roll: three.MathUtils.degToRad((panoData == null ? void 0 : panoData.poseRoll) || 0)
-      };
-    };
-
-    return DataHelper;
-  }(AbstractService);
-
-  var gestureIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><path fill=\"currentColor\" d=\"M33.38 33.2a1.96 1.96 0 0 0 1.5-3.23 10.61 10.61 0 0 1 7.18-17.51c.7-.06 1.31-.49 1.61-1.12a13.02 13.02 0 0 1 11.74-7.43c7.14 0 12.96 5.8 12.96 12.9 0 3.07-1.1 6.05-3.1 8.38-.7.82-.61 2.05.21 2.76.83.7 2.07.6 2.78-.22a16.77 16.77 0 0 0 4.04-10.91C72.3 7.54 64.72 0 55.4 0a16.98 16.98 0 0 0-14.79 8.7 14.6 14.6 0 0 0-12.23 14.36c0 3.46 1.25 6.82 3.5 9.45.4.45.94.69 1.5.69m45.74 43.55a22.13 22.13 0 0 1-5.23 12.4c-4 4.55-9.53 6.86-16.42 6.86-12.6 0-20.1-10.8-20.17-10.91a1.82 1.82 0 0 0-.08-.1c-5.3-6.83-14.55-23.82-17.27-28.87-.05-.1 0-.21.02-.23a6.3 6.3 0 0 1 8.24 1.85l9.38 12.59a1.97 1.97 0 0 0 3.54-1.17V25.34a4 4 0 0 1 1.19-2.87 3.32 3.32 0 0 1 2.4-.95c1.88.05 3.4 1.82 3.4 3.94v24.32a1.96 1.96 0 0 0 3.93 0v-33.1a3.5 3.5 0 0 1 7 0v35.39a1.96 1.96 0 0 0 3.93 0v-.44c.05-2.05 1.6-3.7 3.49-3.7 1.93 0 3.5 1.7 3.5 3.82v5.63c0 .24.04.48.13.71l.1.26a1.97 1.97 0 0 0 3.76-.37c.33-1.78 1.77-3.07 3.43-3.07 1.9 0 3.45 1.67 3.5 3.74l-1.77 18.1zM77.39 51c-1.25 0-2.45.32-3.5.9v-.15c0-4.27-3.33-7.74-7.42-7.74-1.26 0-2.45.33-3.5.9V16.69a7.42 7.42 0 0 0-14.85 0v1.86a7 7 0 0 0-3.28-.94 7.21 7.21 0 0 0-5.26 2.07 7.92 7.92 0 0 0-2.38 5.67v37.9l-5.83-7.82a10.2 10.2 0 0 0-13.35-2.92 4.1 4.1 0 0 0-1.53 5.48C20 64.52 28.74 80.45 34.07 87.34c.72 1.04 9.02 12.59 23.4 12.59 7.96 0 14.66-2.84 19.38-8.2a26.06 26.06 0 0 0 6.18-14.6l1.78-18.2v-.2c0-4.26-3.32-7.73-7.42-7.73z\"/><!--Created by AomAm from the Noun Project--></svg>\n";
-
-  var mousewheelIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"10 17 79 79\"><path fill=\"currentColor\" d=\"M38.1 29.27c-.24 0-.44.2-.44.45v10.7a.45.45 0 00.9 0v-10.7c0-.25-.2-.45-.45-.45zm10.2 26.66a11.54 11.54 0 01-8.48-6.14.45.45 0 10-.8.41 12.45 12.45 0 009.22 6.62.45.45 0 00.07-.9zm24.55-13.08a23.04 23.04 0 00-22.56-23v7.07l-.01.05a2.83 2.83 0 012.39 2.78v14.03l.09-.02h8.84v-9.22a.45.45 0 11.9 0v9.22h10.35v-.9zm0 27.33V44.66H62.5c-.02 2.01-.52 4-1.47 5.76a.45.45 0 01-.61.18.45.45 0 01-.19-.61 11.54 11.54 0 001.36-5.33h-8.83l-.1-.01a2.83 2.83 0 01-2.83 2.84h-.04-.04a2.83 2.83 0 01-2.83-2.83v-14.9a2.82 2.82 0 012.47-2.8v-7.11a23.04 23.04 0 00-22.57 23v.91h14.72V29.88a8.2 8.2 0 015.02-7.57c.22-.1.5.01.59.24.1.23-.01.5-.24.6a7.3 7.3 0 00-4.47 6.73v13.88h3.9a.45.45 0 110 .9h-3.9v.15a7.32 7.32 0 0011.23 6.17.45.45 0 01.49.76 8.22 8.22 0 01-12.62-6.93v-.15H26.82v25.52a23.04 23.04 0 0023.01 23.01 23.04 23.04 0 0023.02-23.01zm1.8-27.33v27.33A24.85 24.85 0 0149.84 95a24.85 24.85 0 01-24.82-24.82V42.85a24.85 24.85 0 0124.82-24.82 24.85 24.85 0 0124.83 24.82zM57.98 29.88v9.36a.45.45 0 11-.9 0v-9.36a7.28 7.28 0 00-3.4-6.17.45.45 0 01.49-.76 8.18 8.18 0 013.8 6.93z\"/><!-- Created by Icon Island from the Noun Project --></svg>\n";
-
-  /**
-   * @summary Events handler
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var EventsHandler = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(EventsHandler, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function EventsHandler(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @property {number} moveThreshold - computed threshold based on device pixel ratio
-       * @property {boolean} moving - is the user moving
-       * @property {boolean} zooming - is the user zooming
-       * @property {number} startMouseX - start x position of the click/touch
-       * @property {number} startMouseY - start y position of the click/touch
-       * @property {number} mouseX - current x position of the cursor
-       * @property {number} mouseY - current y position of the cursor
-       * @property {number[][]} mouseHistory - list of latest positions of the cursor, [time, x, y]
-       * @property {number} pinchDist - distance between fingers when zooming
-       * @property {PressHandler} keyHandler
-       * @property {boolean} ctrlKeyDown - when the Ctrl key is pressed
-       * @property {PSV.ClickData} dblclickData - temporary storage of click data between two clicks
-       * @property {number} dblclickTimeout - timeout id for double click
-       * @property {number} twofingersTimeout - timeout id for "two fingers" overlay
-       * @property {number} ctrlZoomTimeout - timeout id for "ctrol zoom" overlay
-       * @protected
-       */
-
-      _this.state = {
-        moveThreshold: MOVE_THRESHOLD * SYSTEM.pixelRatio,
-        keyboardEnabled: false,
-        moving: false,
-        zooming: false,
-        startMouseX: 0,
-        startMouseY: 0,
-        mouseX: 0,
-        mouseY: 0,
-        mouseHistory: [],
-        pinchDist: 0,
-        keyHandler: new PressHandler(),
-        ctrlKeyDown: false,
-        dblclickData: null,
-        dblclickTimeout: null,
-        longtouchTimeout: null,
-        twofingersTimeout: null,
-        ctrlZoomTimeout: null
-      };
-      /**
-       * @summary Throttled wrapper of {@link PSV.Viewer#autoSize}
-       * @type {Function}
-       * @private
-       */
-
-      _this.__onResize = throttle(function () {
-        return _this.psv.autoSize();
-      }, 50);
-      return _this;
-    }
-    /**
-     * @summary Initializes event handlers
-     * @protected
-     */
-
-
-    var _proto = EventsHandler.prototype;
-
-    _proto.init = function init() {
-      window.addEventListener('resize', this);
-      window.addEventListener('keydown', this);
-      window.addEventListener('keyup', this);
-      this.psv.container.addEventListener('mouseenter', this);
-      this.psv.container.addEventListener('mousedown', this);
-      this.psv.container.addEventListener('mouseleave', this);
-      this.psv.container.addEventListener('mousemove', this);
-      window.addEventListener('mouseup', this);
-      this.psv.container.addEventListener('touchstart', this);
-      this.psv.container.addEventListener('touchmove', this);
-      window.addEventListener('touchend', this);
-      this.psv.container.addEventListener(SYSTEM.mouseWheelEvent, this);
-
-      if (SYSTEM.fullscreenEvent) {
-        document.addEventListener(SYSTEM.fullscreenEvent, this);
-      }
-    }
-    /**
-     * @override
-     */
-    ;
-
-    _proto.destroy = function destroy() {
-      window.removeEventListener('resize', this);
-      window.removeEventListener('keydown', this);
-      window.removeEventListener('keyup', this);
-      this.psv.container.removeEventListener('mouseenter', this);
-      this.psv.container.removeEventListener('mousedown', this);
-      this.psv.container.removeEventListener('mouseleave', this);
-      this.psv.container.removeEventListener('mousemove', this);
-      window.removeEventListener('mouseup', this);
-      this.psv.container.removeEventListener('touchstart', this);
-      this.psv.container.removeEventListener('touchmove', this);
-      window.removeEventListener('touchend', this);
-      this.psv.container.removeEventListener(SYSTEM.mouseWheelEvent, this);
-
-      if (SYSTEM.fullscreenEvent) {
-        document.removeEventListener(SYSTEM.fullscreenEvent, this);
-      }
-
-      clearTimeout(this.state.dblclickTimeout);
-      clearTimeout(this.state.longtouchTimeout);
-      clearTimeout(this.state.twofingersTimeout);
-      clearTimeout(this.state.ctrlZoomTimeout);
-      delete this.state;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} evt
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(evt) {
-      /* eslint-disable */
-      switch (evt.type) {
-        // @formatter:off
-        case 'resize':
-          this.__onResize();
-
-          break;
-
-        case 'keydown':
-          this.__onKeyDown(evt);
-
-          break;
-
-        case 'keyup':
-          this.__onKeyUp();
-
-          break;
-
-        case 'mouseup':
-          this.__onMouseUp(evt);
-
-          break;
-
-        case 'touchend':
-          this.__onTouchEnd(evt);
-
-          break;
-
-        case SYSTEM.fullscreenEvent:
-          this.__fullscreenToggled();
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-
-      if (!getClosest(evt.target, '.psv--capture-event')) {
-        /* eslint-disable */
-        switch (evt.type) {
-          // @formatter:off
-          case 'mousedown':
-            this.__onMouseDown(evt);
-
-            break;
-
-          case 'mouseenter':
-            this.__onMouseEnter(evt);
-
-            break;
-
-          case 'mouseleave':
-            this.__onMouseLeave(evt);
-
-            break;
-
-          case 'mousemove':
-            this.__onMouseMove(evt);
-
-            break;
-
-          case 'touchstart':
-            this.__onTouchStart(evt);
-
-            break;
-
-          case 'touchmove':
-            this.__onTouchMove(evt);
-
-            break;
-
-          case SYSTEM.mouseWheelEvent:
-            this.__onMouseWheel(evt);
-
-            break;
-          // @formatter:on
-        }
-        /* eslint-enable */
-
-      }
-    }
-    /**
-     * @summary Enables the keyboard controls
-     * @protected
-     */
-    ;
-
-    _proto.enableKeyboard = function enableKeyboard() {
-      this.state.keyboardEnabled = true;
-    }
-    /**
-     * @summary Disables the keyboard controls
-     * @protected
-     */
-    ;
-
-    _proto.disableKeyboard = function disableKeyboard() {
-      this.state.keyboardEnabled = false;
-    }
-    /**
-     * @summary Handles keyboard events
-     * @param {KeyboardEvent} e
-     * @private
-     */
-    ;
-
-    _proto.__onKeyDown = function __onKeyDown(e) {
-      if (this.config.mousewheelCtrlKey) {
-        this.state.ctrlKeyDown = e.key === KEY_CODES.Control;
-
-        if (this.state.ctrlKeyDown) {
-          clearTimeout(this.state.ctrlZoomTimeout);
-          this.psv.overlay.hide(IDS.CTRL_ZOOM);
-        }
-      }
-
-      var e2 = this.psv.trigger(EVENTS.KEY_PRESS, e.key);
-
-      if (e2.isDefaultPrevented()) {
-        return;
-      }
-
-      if (!this.state.keyboardEnabled) {
-        return;
-      }
-
-      var action = this.config.keyboard[e.key];
-
-      if (action === ACTIONS.TOGGLE_AUTOROTATE) {
-        this.psv.toggleAutorotate();
-      } else if (action && !this.state.keyHandler.time) {
-        if (action !== ACTIONS.ZOOM_IN && action !== ACTIONS.ZOOM_OUT) {
-          this.psv.__stopAll();
-        }
-        /* eslint-disable */
-
-
-        switch (action) {
-          // @formatter:off
-          case ACTIONS.ROTATE_LAT_UP:
-            this.psv.dynamics.position.roll({
-              latitude: false
-            });
-            break;
-
-          case ACTIONS.ROTATE_LAT_DOWN:
-            this.psv.dynamics.position.roll({
-              latitude: true
-            });
-            break;
-
-          case ACTIONS.ROTATE_LONG_RIGHT:
-            this.psv.dynamics.position.roll({
-              longitude: false
-            });
-            break;
-
-          case ACTIONS.ROTATE_LONG_LEFT:
-            this.psv.dynamics.position.roll({
-              longitude: true
-            });
-            break;
-
-          case ACTIONS.ZOOM_IN:
-            this.psv.dynamics.zoom.roll(false);
-            break;
-
-          case ACTIONS.ZOOM_OUT:
-            this.psv.dynamics.zoom.roll(true);
-            break;
-          // @formatter:on
-        }
-        /* eslint-enable */
-
-
-        this.state.keyHandler.down();
-      }
-    }
-    /**
-     * @summary Handles keyboard events
-     * @private
-     */
-    ;
-
-    _proto.__onKeyUp = function __onKeyUp() {
-      var _this2 = this;
-
-      this.state.ctrlKeyDown = false;
-
-      if (!this.state.keyboardEnabled) {
-        return;
-      }
-
-      this.state.keyHandler.up(function () {
-        _this2.psv.dynamics.position.stop();
-
-        _this2.psv.dynamics.zoom.stop();
-
-        _this2.psv.resetIdleTimer();
-      });
-    }
-    /**
-     * @summary Handles mouse down events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseDown = function __onMouseDown(evt) {
-      if (!this.config.mousemove || this.config.captureCursor) {
-        return;
-      }
-
-      this.__startMove(evt);
-    }
-    /**
-     * @summary Handles mouse enter events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseEnter = function __onMouseEnter(evt) {
-      if (!this.config.mousemove || !this.config.captureCursor) {
-        return;
-      }
-
-      this.__startMove(evt);
-    }
-    /**
-     * @summary Handles mouse up events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseUp = function __onMouseUp(evt) {
-      if (!this.config.mousemove || this.config.captureCursor) {
-        return;
-      }
-
-      this.__stopMove(evt);
-    }
-    /**
-     * @summary Handles mouse leave events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseLeave = function __onMouseLeave(evt) {
-      if (!this.config.mousemove || !this.config.captureCursor) {
-        return;
-      }
-
-      this.__stopMove(evt);
-    }
-    /**
-     * @summary Handles mouse move events
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseMove = function __onMouseMove(evt) {
-      if (this.config.mousemove) {
-        if (evt.buttons !== 0) {
-          evt.preventDefault();
-
-          this.__move(evt);
-        } else if (this.config.captureCursor) {
-          this.__moveAbsolute(evt);
-        }
-      }
-
-      if (!isEmpty(this.prop.objectsObservers)) {
-        var viewerPos = getPosition(this.psv.container);
-        var viewerPoint = {
-          x: evt.clientX - viewerPos.left,
-          y: evt.clientY - viewerPos.top
-        };
-        var intersections = this.psv.dataHelper.getIntersections(viewerPoint);
-
-        var emit = function emit(observer, key, type) {
-          observer.listener.handleEvent(new CustomEvent(type, {
-            detail: {
-              originalEvent: evt,
-              object: observer.object,
-              data: observer.object.userData[key],
-              viewerPoint: viewerPoint
-            }
-          }));
-        };
-
-        each(this.prop.objectsObservers, function (observer, key) {
-          var intersection = intersections.find(function (i) {
-            return i.object.userData[key];
-          });
-
-          if (intersection) {
-            if (observer.object && intersection.object !== observer.object) {
-              emit(observer, key, OBJECT_EVENTS.LEAVE_OBJECT);
-              delete observer.object;
-            }
-
-            if (!observer.object) {
-              observer.object = intersection.object;
-              emit(observer, key, OBJECT_EVENTS.ENTER_OBJECT);
-            } else {
-              emit(observer, key, OBJECT_EVENTS.HOVER_OBJECT);
-            }
-          } else if (observer.object) {
-            emit(observer, key, OBJECT_EVENTS.LEAVE_OBJECT);
-            delete observer.object;
-          }
-        });
-      }
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchStart = function __onTouchStart(evt) {
-      var _this3 = this;
-
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      if (evt.touches.length === 1) {
-        if (!this.config.touchmoveTwoFingers) {
-          this.__startMove(evt.touches[0]);
-
-          evt.preventDefault(); // prevent mouse events emulation
-        }
-
-        if (!this.prop.longtouchTimeout) {
-          this.prop.longtouchTimeout = setTimeout(function () {
-            _this3.__click(evt.touches[0], true);
-
-            _this3.prop.longtouchTimeout = null;
-          }, LONGTOUCH_DELAY);
-        }
-      } else if (evt.touches.length === 2) {
-        this.__cancelLongTouch();
-
-        this.__cancelTwoFingersOverlay();
-
-        this.__startMoveZoom(evt);
-
-        evt.preventDefault();
-      }
-    }
-    /**
-     * @summary Handles touch events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchEnd = function __onTouchEnd(evt) {
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      this.__cancelLongTouch();
-
-      this.__cancelTwoFingersOverlay();
-
-      if (evt.touches.length === 1) {
-        this.__stopMoveZoom();
-      } else if (evt.touches.length === 0) {
-        this.__stopMove(evt.changedTouches[0]);
-      }
-    }
-    /**
-     * @summary Handles touch move events
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onTouchMove = function __onTouchMove(evt) {
-      var _this4 = this;
-
-      if (!this.config.mousemove) {
-        return;
-      }
-
-      this.__cancelLongTouch();
-
-      if (evt.touches.length === 1) {
-        if (this.config.touchmoveTwoFingers) {
-          if (!this.prop.twofingersTimeout) {
-            this.prop.twofingersTimeout = setTimeout(function () {
-              _this4.psv.overlay.show({
-                id: IDS.TWO_FINGERS,
-                image: gestureIcon,
-                text: _this4.config.lang.twoFingers
-              });
-            }, TWOFINGERSOVERLAY_DELAY);
-          }
-        } else {
-          evt.preventDefault();
-
-          this.__move(evt.touches[0]);
-        }
-      } else if (evt.touches.length === 2) {
-        evt.preventDefault();
-
-        this.__moveZoom(evt);
-
-        this.__cancelTwoFingersOverlay();
-      }
-    }
-    /**
-     * @summary Cancel the long touch timer if any
-     * @private
-     */
-    ;
-
-    _proto.__cancelLongTouch = function __cancelLongTouch() {
-      if (this.prop.longtouchTimeout) {
-        clearTimeout(this.prop.longtouchTimeout);
-        this.prop.longtouchTimeout = null;
-      }
-    }
-    /**
-     * @summary Cancel the two fingers overlay timer if any
-     * @private
-     */
-    ;
-
-    _proto.__cancelTwoFingersOverlay = function __cancelTwoFingersOverlay() {
-      if (this.prop.twofingersTimeout) {
-        clearTimeout(this.prop.twofingersTimeout);
-        this.prop.twofingersTimeout = null;
-      }
-
-      this.psv.overlay.hide(IDS.TWO_FINGERS);
-    }
-    /**
-     * @summary Handles mouse wheel events
-     * @param {WheelEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__onMouseWheel = function __onMouseWheel(evt) {
-      var _this5 = this;
-
-      if (!this.config.mousewheel) {
-        return;
-      }
-
-      if (this.config.mousewheelCtrlKey && !this.state.ctrlKeyDown) {
-        this.psv.overlay.show({
-          id: IDS.CTRL_ZOOM,
-          image: mousewheelIcon,
-          text: this.config.lang.ctrlZoom
-        });
-        clearTimeout(this.state.ctrlZoomTimeout);
-        this.state.ctrlZoomTimeout = setTimeout(function () {
-          return _this5.psv.overlay.hide(IDS.CTRL_ZOOM);
-        }, CTRLZOOM_TIMEOUT);
-        return;
-      }
-
-      evt.preventDefault();
-      evt.stopPropagation();
-      var delta = normalizeWheel(evt).spinY * 5 * this.config.zoomSpeed;
-
-      if (delta !== 0) {
-        this.psv.dynamics.zoom.step(-delta, 5);
-      }
-    }
-    /**
-     * @summary Handles fullscreen events
-     * @param {boolean} [force] force state
-     * @fires PSV.fullscreen-updated
-     * @package
-     */
-    ;
-
-    _proto.__fullscreenToggled = function __fullscreenToggled(force) {
-      this.prop.fullscreen = force !== undefined ? force : isFullscreenEnabled(this.psv.container);
-
-      if (this.config.keyboard) {
-        if (this.prop.fullscreen) {
-          this.psv.startKeyboardControl();
-        } else {
-          this.psv.stopKeyboardControl();
-        }
-      }
-
-      this.psv.trigger(EVENTS.FULLSCREEN_UPDATED, this.prop.fullscreen);
-    }
-    /**
-     * @summary Initializes the movement
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__startMove = function __startMove(evt) {
-      var _this6 = this;
-
-      this.psv.__stopAll().then(function () {
-        _this6.state.mouseX = evt.clientX;
-        _this6.state.mouseY = evt.clientY;
-        _this6.state.startMouseX = _this6.state.mouseX;
-        _this6.state.startMouseY = _this6.state.mouseY;
-        _this6.state.moving = true;
-        _this6.state.zooming = false;
-        _this6.state.mouseHistory.length = 0;
-
-        _this6.__logMouseMove(evt);
-      });
-    }
-    /**
-     * @summary Initializes the combines move and zoom
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__startMoveZoom = function __startMoveZoom(evt) {
-      var _this7 = this;
-
-      this.psv.__stopAll().then(function () {
-        var p1 = {
-          x: evt.touches[0].clientX,
-          y: evt.touches[0].clientY
-        };
-        var p2 = {
-          x: evt.touches[1].clientX,
-          y: evt.touches[1].clientY
-        };
-        _this7.state.pinchDist = distance(p1, p2);
-        _this7.state.mouseX = (p1.x + p2.x) / 2;
-        _this7.state.mouseY = (p1.y + p2.y) / 2;
-        _this7.state.startMouseX = _this7.state.mouseX;
-        _this7.state.startMouseY = _this7.state.mouseY;
-        _this7.state.moving = true;
-        _this7.state.zooming = true;
-      });
-    }
-    /**
-     * @summary Stops the movement
-     * @description If the move threshold was not reached a click event is triggered, otherwise an animation is launched to simulate inertia
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__stopMove = function __stopMove(evt) {
-      this.psv.resetIdleTimer();
-
-      if (!getClosest(evt.target, '.psv-container')) {
-        this.state.moving = false;
-        this.state.mouseHistory.length = 0;
-        return;
-      }
-
-      if (this.state.moving) {
-        // move threshold to trigger a click
-        if (Math.abs(evt.clientX - this.state.startMouseX) < this.state.moveThreshold && Math.abs(evt.clientY - this.state.startMouseY) < this.state.moveThreshold) {
-          this.__click(evt);
-
-          this.state.moving = false;
-        } // inertia animation
-        else if (this.config.moveInertia) {
-          this.__logMouseMove(evt);
-
-          this.__stopMoveInertia(evt);
-        } else {
-          this.state.moving = false;
-        }
-
-        this.state.mouseHistory.length = 0;
-      }
-    }
-    /**
-     * @summary Stops the combined move and zoom
-     * @private
-     */
-    ;
-
-    _proto.__stopMoveZoom = function __stopMoveZoom() {
-      this.psv.resetIdleTimer();
-      this.state.mouseHistory.length = 0;
-      this.state.moving = false;
-      this.state.zooming = false;
-    }
-    /**
-     * @summary Performs an animation to simulate inertia when the movement stops
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__stopMoveInertia = function __stopMoveInertia(evt) {
-      var _this8 = this;
-
-      // get direction at end of movement
-      var curve = new three.SplineCurve(this.state.mouseHistory.map(function (_ref) {
-        var x = _ref[1],
-            y = _ref[2];
-        return new three.Vector2(x, y);
-      }));
-      var direction = curve.getTangent(1); // average speed
-
-      var speed = this.state.mouseHistory.slice(1).reduce(function (_ref2, curr) {
-        var total = _ref2.total,
-            prev = _ref2.prev;
-        return {
-          total: total + Math.sqrt(Math.pow(curr[1] - prev[1], 2) + Math.pow(curr[2] - prev[2], 2)) / (curr[0] - [prev[0]]),
-          prev: curr
-        };
-      }, {
-        total: 0,
-        prev: this.state.mouseHistory[0]
-      }).total / this.state.mouseHistory.length;
-      var current = {
-        clientX: evt.clientX,
-        clientY: evt.clientY
-      };
-      this.prop.animationPromise = new Animation({
-        properties: {
-          speed: {
-            start: speed,
-            end: 0
-          }
-        },
-        duration: 1000,
-        easing: 'outQuad',
-        onTick: function onTick(properties) {
-          // 3 is a magic number
-          current.clientX += properties.speed * direction.x * 3 * SYSTEM.pixelRatio;
-          current.clientY += properties.speed * direction.y * 3 * SYSTEM.pixelRatio;
-
-          _this8.__move(current, false);
-        }
-      });
-      this.prop.animationPromise.then(function () {
-        _this8.state.moving = false;
-      });
-    }
-    /**
-     * @summary Triggers an event with all coordinates when a simple click is performed
-     * @param {MouseEvent|Touch} evt
-     * @param {boolean} [longtouch=false]
-     * @fires PSV.click
-     * @fires PSV.dblclick
-     * @private
-     */
-    ;
-
-    _proto.__click = function __click(evt, longtouch) {
-      var _this9 = this;
-
-      if (longtouch === void 0) {
-        longtouch = false;
-      }
-
-      var boundingRect = this.psv.container.getBoundingClientRect();
-      /**
-       * @type {PSV.ClickData}
-       */
-
-      var data = {
-        rightclick: longtouch || evt.button === 2,
-        target: evt.target,
-        clientX: evt.clientX,
-        clientY: evt.clientY,
-        viewerX: evt.clientX - boundingRect.left,
-        viewerY: evt.clientY - boundingRect.top
-      };
-      var intersections = this.psv.dataHelper.getIntersections({
-        x: data.viewerX,
-        y: data.viewerY
-      });
-      var sphereIntersection = intersections.find(function (i) {
-        return i.object.userData.psvSphere;
-      });
-
-      if (sphereIntersection) {
-        var sphericalCoords = this.psv.dataHelper.vector3ToSphericalCoords(sphereIntersection.point);
-        data.longitude = sphericalCoords.longitude;
-        data.latitude = sphericalCoords.latitude;
-        data.objects = intersections.map(function (i) {
-          return i.object;
-        }).filter(function (o) {
-          return !o.userData.psvSphere;
-        });
-
-        try {
-          var textureCoords = this.psv.dataHelper.sphericalCoordsToTextureCoords(data);
-          data.textureX = textureCoords.x;
-          data.textureY = textureCoords.y;
-        } catch (e) {
-          data.textureX = NaN;
-          data.textureY = NaN;
-        }
-
-        if (!this.state.dblclickTimeout) {
-          this.psv.trigger(EVENTS.CLICK, data);
-          this.state.dblclickData = clone(data);
-          this.state.dblclickTimeout = setTimeout(function () {
-            _this9.state.dblclickTimeout = null;
-            _this9.state.dblclickData = null;
-          }, DBLCLICK_DELAY);
-        } else {
-          if (Math.abs(this.state.dblclickData.clientX - data.clientX) < this.state.moveThreshold && Math.abs(this.state.dblclickData.clientY - data.clientY) < this.state.moveThreshold) {
-            this.psv.trigger(EVENTS.DOUBLE_CLICK, this.state.dblclickData);
-          }
-
-          clearTimeout(this.state.dblclickTimeout);
-          this.state.dblclickTimeout = null;
-          this.state.dblclickData = null;
-        }
-      }
-    }
-    /**
-     * @summary Performs movement
-     * @param {MouseEvent|Touch} evt
-     * @param {boolean} [log=true]
-     * @private
-     */
-    ;
-
-    _proto.__move = function __move(evt, log) {
-      if (this.state.moving) {
-        var x = evt.clientX;
-        var y = evt.clientY;
-        var rotation = {
-          longitude: (x - this.state.mouseX) / this.prop.size.width * this.config.moveSpeed * three.MathUtils.degToRad(this.prop.hFov),
-          latitude: (y - this.state.mouseY) / this.prop.size.height * this.config.moveSpeed * three.MathUtils.degToRad(this.prop.vFov)
-        };
-        var currentPosition = this.psv.getPosition();
-        this.psv.rotate({
-          longitude: currentPosition.longitude - rotation.longitude,
-          latitude: currentPosition.latitude + rotation.latitude
-        });
-        this.state.mouseX = x;
-        this.state.mouseY = y;
-
-        if (log !== false) {
-          this.__logMouseMove(evt);
-        }
-      }
-    }
-    /**
-     * @summary Performs movement absolute to cursor position in viewer
-     * @param {MouseEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__moveAbsolute = function __moveAbsolute(evt) {
-      if (this.state.moving) {
-        var containerRect = this.psv.container.getBoundingClientRect();
-        this.psv.dynamics.position.goto({
-          longitude: ((evt.clientX - containerRect.left) / containerRect.width - 0.5) * Math.PI * 2,
-          latitude: -((evt.clientY - containerRect.top) / containerRect.height - 0.5) * Math.PI
-        }, 10);
-      }
-    }
-    /**
-     * @summary Perfoms combined move and zoom
-     * @param {TouchEvent} evt
-     * @private
-     */
-    ;
-
-    _proto.__moveZoom = function __moveZoom(evt) {
-      if (this.state.zooming && this.state.moving) {
-        var p1 = {
-          x: evt.touches[0].clientX,
-          y: evt.touches[0].clientY
-        };
-        var p2 = {
-          x: evt.touches[1].clientX,
-          y: evt.touches[1].clientY
-        };
-        var p = distance(p1, p2);
-        var delta = 80 * (p - this.state.pinchDist) / this.prop.size.width * this.config.zoomSpeed;
-        this.psv.zoom(this.psv.getZoomLevel() + delta);
-
-        this.__move({
-          clientX: (p1.x + p2.x) / 2,
-          clientY: (p1.y + p2.y) / 2
-        });
-
-        this.state.pinchDist = p;
-      }
-    }
-    /**
-     * @summary Stores each mouse position during a mouse move
-     * @description Positions older than "INERTIA_WINDOW" are removed<br>
-     *     Positions before a pause of "INERTIA_WINDOW" / 10 are removed
-     * @param {MouseEvent|Touch} evt
-     * @private
-     */
-    ;
-
-    _proto.__logMouseMove = function __logMouseMove(evt) {
-      var now = Date.now();
-      var last = this.state.mouseHistory.length ? this.state.mouseHistory[this.state.mouseHistory.length - 1] : [0, -1, -1]; // avoid duplicates
-
-      if (last[1] === evt.clientX && last[2] === evt.clientY) {
-        last[0] = now;
-      } else if (now === last[0]) {
-        last[1] = evt.clientX;
-        last[2] = evt.clientY;
-      } else {
-        this.state.mouseHistory.push([now, evt.clientX, evt.clientY]);
-      }
-
-      var previous = null;
-
-      for (var i = 0; i < this.state.mouseHistory.length;) {
-        if (this.state.mouseHistory[i][0] < now - INERTIA_WINDOW) {
-          this.state.mouseHistory.splice(i, 1);
-        } else if (previous && this.state.mouseHistory[i][0] - previous > INERTIA_WINDOW / 10) {
-          this.state.mouseHistory.splice(0, i);
-          i = 0;
-          previous = this.state.mouseHistory[i][0];
-        } else {
-          previous = this.state.mouseHistory[i][0];
-          i++;
-        }
-      }
-    };
-
-    return EventsHandler;
-  }(AbstractService);
-
-  /**
-   * @summary Viewer and renderer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var Renderer = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(Renderer, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function Renderer(psv) {
-      var _this$mesh$userData;
-
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @member {external:THREE.WebGLRenderer}
-       * @readonly
-       * @protected
-       */
-
-      _this.renderer = new three.WebGLRenderer({
-        alpha: true,
-        antialias: true
-      });
-
-      _this.renderer.setPixelRatio(SYSTEM.pixelRatio);
-
-      _this.renderer.domElement.className = 'psv-canvas';
-      /**
-       * @member {external:THREE.Scene}
-       * @readonly
-       * @protected
-       */
-
-      _this.scene = new three.Scene();
-      /**
-       * @member {external:THREE.PerspectiveCamera}
-       * @readonly
-       * @protected
-       */
-
-      _this.camera = new three.PerspectiveCamera(50, 16 / 9, 1, 2 * SPHERE_RADIUS);
-      /**
-       * @member {external:THREE.Mesh}
-       * @readonly
-       * @protected
-       */
-
-      _this.mesh = _this.psv.adapter.createMesh();
-      _this.mesh.userData = (_this$mesh$userData = {}, _this$mesh$userData[MESH_USER_DATA] = true, _this$mesh$userData);
-      /**
-       * @member {external:THREE.Group}
-       * @readonly
-       * @private
-       */
-
-      _this.meshContainer = new three.Group();
-
-      _this.meshContainer.add(_this.mesh);
-
-      _this.scene.add(_this.meshContainer);
-      /**
-       * @member {external:THREE.Raycaster}
-       * @readonly
-       * @protected
-       */
-
-
-      _this.raycaster = new three.Raycaster();
-      /**
-       * @member {number}
-       * @private
-       */
-
-      _this.timestamp = null;
-      /**
-       * @member {boolean}
-       * @private
-       */
-
-      _this.ready = false;
-      /**
-       * @member {HTMLElement}
-       * @readonly
-       * @package
-       */
-
-      _this.canvasContainer = document.createElement('div');
-      _this.canvasContainer.className = 'psv-canvas-container';
-      _this.canvasContainer.style.background = _this.psv.config.canvasBackground;
-      _this.canvasContainer.style.cursor = _this.psv.config.mousemove ? 'move' : 'default';
-
-      _this.canvasContainer.appendChild(_this.renderer.domElement);
-
-      _this.psv.container.appendChild(_this.canvasContainer);
-
-      psv.on(EVENTS.SIZE_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.ZOOM_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.POSITION_UPDATED, _assertThisInitialized(_this));
-      psv.on(EVENTS.CONFIG_CHANGED, _assertThisInitialized(_this));
-
-      _this.hide();
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Renderer.prototype;
-
-    _proto.destroy = function destroy() {
-      // cancel render loop
-      this.renderer.setAnimationLoop(null); // destroy ThreeJS view
-
-      this.__cleanTHREEScene(this.scene); // remove container
-
-
-      this.psv.container.removeChild(this.canvasContainer);
-      delete this.canvasContainer;
-      delete this.renderer;
-      delete this.scene;
-      delete this.camera;
-      delete this.mesh;
-      delete this.meshContainer;
-      delete this.raycaster;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} evt
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(evt) {
-      /* eslint-disable */
-      switch (evt.type) {
-        // @formatter:off
-        case EVENTS.SIZE_UPDATED:
-          this.__onSizeUpdated();
-
-          break;
-
-        case EVENTS.ZOOM_UPDATED:
-          this.__onZoomUpdated();
-
-          break;
-
-        case EVENTS.POSITION_UPDATED:
-          this.__onPositionUpdated();
-
-          break;
-
-        case EVENTS.CONFIG_CHANGED:
-          if (evt.args[0].includes('fisheye')) {
-            this.__onPositionUpdated();
-          }
-
-          if (evt.args[0].includes('mousemove')) {
-            this.canvasContainer.style.cursor = this.psv.config.mousemove ? 'move' : 'default';
-          }
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @summary Hides the viewer
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.canvasContainer.style.opacity = 0;
-    }
-    /**
-     * @summary Shows the viewer
-     */
-    ;
-
-    _proto.show = function show() {
-      this.canvasContainer.style.opacity = 1;
-    }
-    /**
-     * @summary Updates the size of the renderer and the aspect of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onSizeUpdated = function __onSizeUpdated() {
-      this.renderer.setSize(this.prop.size.width, this.prop.size.height);
-      this.camera.aspect = this.prop.aspect;
-      this.camera.updateProjectionMatrix();
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Updates the fov of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onZoomUpdated = function __onZoomUpdated() {
-      this.camera.fov = this.prop.vFov;
-      this.camera.updateProjectionMatrix();
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Updates the position of the camera
-     * @private
-     */
-    ;
-
-    _proto.__onPositionUpdated = function __onPositionUpdated() {
-      this.camera.position.set(0, 0, 0);
-      this.camera.lookAt(this.prop.direction);
-
-      if (this.config.fisheye) {
-        this.camera.position.copy(this.prop.direction).multiplyScalar(this.config.fisheye / 2).negate();
-      }
-
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Main event loop, calls {@link render} if `prop.needsUpdate` is true
-     * @param {number} timestamp
-     * @fires PSV.before-render
-     * @private
-     */
-    ;
-
-    _proto.__renderLoop = function __renderLoop(timestamp) {
-      var elapsed = this.timestamp !== null ? timestamp - this.timestamp : 0;
-      this.timestamp = timestamp;
-      this.psv.trigger(EVENTS.BEFORE_RENDER, timestamp, elapsed);
-      each(this.psv.dynamics, function (d) {
-        return d.update(elapsed);
-      });
-
-      if (this.prop.idleTime > 0 && timestamp - this.prop.idleTime > this.config.autorotateDelay) {
-        this.psv.startAutorotate();
-      }
-
-      if (this.prop.needsUpdate) {
-        this.render();
-        this.prop.needsUpdate = false;
-      }
-    }
-    /**
-     * @summary Performs a render
-     * @description Do not call this method directly, instead call
-     * {@link PSV.Viewer#needsUpdate} on {@link PSV.event:before-render}.
-     * @fires PSV.render
-     */
-    ;
-
-    _proto.render = function render() {
-      this.renderer.render(this.scene, this.camera);
-      this.psv.trigger(EVENTS.RENDER);
-    }
-    /**
-     * @summary Applies the texture to the scene, creates the scene if needed
-     * @param {PSV.TextureData} textureData
-     * @fires PSV.panorama-loaded
-     * @package
-     */
-    ;
-
-    _proto.setTexture = function setTexture(textureData) {
-      var _this2 = this;
-
-      this.prop.panoData = textureData.panoData;
-      this.psv.adapter.setTexture(this.mesh, textureData);
-
-      if (!this.ready) {
-        this.renderer.setAnimationLoop(function (t) {
-          return _this2.__renderLoop(t);
-        });
-        this.ready = true;
-      }
-
-      this.psv.needsUpdate();
-      this.psv.trigger(EVENTS.PANORAMA_LOADED, textureData);
-    }
-    /**
-     * @summary Applies the overlay to the mesh
-     * @param {PSV.TextureData} textureData
-     * @param {number} opacity
-     * @package
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(textureData, opacity) {
-      this.psv.adapter.setOverlay(this.mesh, textureData, opacity);
-      this.psv.needsUpdate();
-    }
-    /**
-     * @summary Apply a panorama data pose to a Mesh
-     * @param {PSV.PanoData} [panoData]
-     * @param {external:THREE.Mesh} [mesh=this.mesh]
-     * @package
-     */
-    ;
-
-    _proto.setPanoramaPose = function setPanoramaPose(panoData, mesh) {
-      if (mesh === void 0) {
-        mesh = this.mesh;
-      }
-
-      // By Google documentation the angles are applied on the camera in order : heading, pitch, roll
-      // here we apply the reverse transformation on the sphere
-      var cleanCorrection = this.psv.dataHelper.cleanPanoramaPose(panoData);
-      mesh.rotation.set(-cleanCorrection.tilt, -cleanCorrection.pan, -cleanCorrection.roll, 'ZXY');
-    }
-    /**
-     * @summary Apply a SphereCorrection to a Mesh
-     * @param {PSV.SphereCorrection} [sphereCorrection]
-     * @param {external:THREE.Mesh} [mesh=this.meshContainer]
-     * @package
-     */
-    ;
-
-    _proto.setSphereCorrection = function setSphereCorrection(sphereCorrection, mesh) {
-      if (mesh === void 0) {
-        mesh = this.meshContainer;
-      }
-
-      var cleanCorrection = this.psv.dataHelper.cleanSphereCorrection(sphereCorrection);
-      mesh.rotation.set(cleanCorrection.tilt, cleanCorrection.pan, cleanCorrection.roll, 'ZXY');
-    }
-    /**
-     * @summary Performs transition between the current and a new texture
-     * @param {PSV.TextureData} textureData
-     * @param {PSV.PanoramaOptions} options
-     * @returns {PSV.Animation}
-     * @package
-     */
-    ;
-
-    _proto.transition = function transition(textureData, options) {
-      var _this3 = this;
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options); // create temp group and new mesh, half size to be in "front" of the first one
-
-      var group = new three.Group();
-      var mesh = this.psv.adapter.createMesh(0.5);
-      this.psv.adapter.setTexture(mesh, textureData, true);
-      this.psv.adapter.setTextureOpacity(mesh, 0);
-      this.setPanoramaPose(textureData.panoData, mesh);
-      this.setSphereCorrection(options.sphereCorrection, group); // rotate the new sphere to make the target position face the camera
-
-      if (positionProvided) {
-        var cleanPosition = this.psv.dataHelper.cleanPosition(options);
-        var currentPosition = this.psv.getPosition(); // Longitude rotation along the vertical axis
-
-        var verticalAxis = new three.Vector3(0, 1, 0);
-        group.rotateOnWorldAxis(verticalAxis, cleanPosition.longitude - currentPosition.longitude); // Latitude rotation along the camera horizontal axis
-
-        var horizontalAxis = new three.Vector3(0, 1, 0).cross(this.camera.getWorldDirection(new three.Vector3())).normalize();
-        group.rotateOnWorldAxis(horizontalAxis, cleanPosition.latitude - currentPosition.latitude);
-      }
-
-      group.add(mesh);
-      this.scene.add(group);
-      var animation = new Animation({
-        properties: {
-          opacity: {
-            start: 0.0,
-            end: 1.0
-          },
-          zoom: zoomProvided ? {
-            start: this.psv.getZoomLevel(),
-            end: options.zoom
-          } : undefined
-        },
-        duration: options.transition,
-        easing: 'outCubic',
-        onTick: function onTick(properties) {
-          _this3.psv.adapter.setTextureOpacity(mesh, properties.opacity);
-
-          _this3.psv.adapter.setTextureOpacity(_this3.mesh, 1 - properties.opacity);
-
-          if (zoomProvided) {
-            _this3.psv.zoom(properties.zoom);
-          }
-
-          _this3.psv.needsUpdate();
-        }
-      });
-      animation.then(function (completed) {
-        if (completed) {
-          // remove temp sphere and transfer the texture to the main mesh
-          _this3.setTexture(textureData);
-
-          _this3.psv.adapter.setTextureOpacity(_this3.mesh, 1);
-
-          _this3.setPanoramaPose(textureData.panoData);
-
-          _this3.setSphereCorrection(options.sphereCorrection); // actually rotate the camera
-
-
-          if (positionProvided) {
-            _this3.psv.rotate(options);
-          }
-        } else {
-          _this3.psv.adapter.disposeTexture(textureData);
-        }
-
-        _this3.scene.remove(group);
-
-        mesh.geometry.dispose();
-        mesh.geometry = null;
-      });
-      return animation;
-    }
-    /**
-     * @summary Calls `dispose` on all objects and textures
-     * @param {external:THREE.Object3D} object
-     * @private
-     */
-    ;
-
-    _proto.__cleanTHREEScene = function __cleanTHREEScene(object) {
-      var _this4 = this;
-
-      object.traverse(function (item) {
-        if (item.geometry) {
-          item.geometry.dispose();
-        }
-
-        if (item.material) {
-          if (Array.isArray(item.material)) {
-            item.material.forEach(function (material) {
-              if (material.map) {
-                material.map.dispose();
-              }
-
-              material.dispose();
-            });
-          } else {
-            if (item.material.map) {
-              item.material.map.dispose();
-            }
-
-            item.material.dispose();
-          }
-        }
-
-        if (item.dispose && !(item instanceof three.Scene)) {
-          item.dispose();
-        }
-
-        if (item !== object) {
-          _this4.__cleanTHREEScene(item);
-        }
-      });
-    };
-
-    return Renderer;
-  }(AbstractService);
-
-  /**
-   * @summary Texture loader
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var TextureLoader = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(TextureLoader, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function TextureLoader(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      /**
-       * @summary THREE file loader
-       * @type {external:THREE:FileLoader}
-       * @private
-       */
-
-      _this.loader = new three.FileLoader();
-
-      _this.loader.setResponseType('blob');
-
-      if (_this.config.withCredentials) {
-        _this.loader.setWithCredentials(true);
-      }
-
-      if (_this.config.requestHeaders && typeof _this.config.requestHeaders === 'object') {
-        _this.loader.setRequestHeader(_this.config.requestHeaders);
-      }
-
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = TextureLoader.prototype;
-
-    _proto.destroy = function destroy() {
-      this.abortLoading();
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Loads the panorama texture(s)
-     * @param {*} panorama
-     * @param {PSV.PanoData | PSV.PanoDataProvider} [newPanoData]
-     * @returns {Promise.<PSV.TextureData>}
-     * @throws {PSV.PSVError} when the image cannot be loaded
-     * @package
-     * @deprecated
-     */
-    ;
-
-    _proto.loadTexture = function loadTexture(panorama, newPanoData) {
-      return this.psv.adapter.loadTexture(panorama, newPanoData);
-    }
-    /**
-     * @summary Cancels current HTTP requests
-     * @package
-     */
-    ;
-
-    _proto.abortLoading = function abortLoading() {// noop implementation waiting for https://github.com/mrdoob/three.js/pull/23070
-    }
-    /**
-     * @summary Loads a Blob with FileLoader
-     * @param {string} url
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<Blob>}
-     */
-    ;
-
-    _proto.loadFile = function loadFile(url, onProgress) {
-      var _this2 = this;
-
-      if (this.config.requestHeaders && typeof this.config.requestHeaders === 'function') {
-        this.loader.setRequestHeader(this.config.requestHeaders(url));
-      }
-
-      return new Promise(function (resolve, reject) {
-        var progress = 0;
-        onProgress && onProgress(progress);
-
-        _this2.loader.load(url, function (result) {
-          progress = 100;
-          onProgress && onProgress(progress);
-          resolve(result);
-        }, function (e) {
-          if (e.lengthComputable) {
-            var newProgress = e.loaded / e.total * 100;
-
-            if (newProgress > progress) {
-              progress = newProgress;
-              onProgress && onProgress(progress);
-            }
-          }
-        }, function (err) {
-          reject(err);
-        });
-      });
-    }
-    /**
-     * @summary Loads an Image using FileLoader to have progress events
-     * @param {string} url
-     * @param {function(number)} [onProgress]
-     * @returns {Promise<HTMLImageElement>}
-     */
-    ;
-
-    _proto.loadImage = function loadImage(url, onProgress) {
-      return this.loadFile(url, onProgress).then(function (result) {
-        return new Promise(function (resolve, reject) {
-          var img = document.createElementNS('http://www.w3.org/1999/xhtml', 'img');
-
-          img.onload = function () {
-            URL.revokeObjectURL(img.src);
-            resolve(img);
-          };
-
-          img.onerror = reject;
-          img.src = URL.createObjectURL(result);
-        });
-      });
-    }
-    /**
-     * @summary Preload a panorama file without displaying it
-     * @param {*} panorama
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.preloadPanorama = function preloadPanorama(panorama) {
-      if (this.psv.adapter.supportsPreload(panorama)) {
-        return this.psv.adapter.loadTexture(panorama);
-      } else {
-        return Promise.resolve();
-      }
-    };
-
-    return TextureLoader;
-  }(AbstractService);
-
-  var STATE = {
-    NONE: 0,
-    SHOWING: 1,
-    HIDING: 2,
-    READY: 3
-  };
-  /**
-   * @typedef {Object} PSV.components.Tooltip.Position
-   * @summary Object defining the tooltip position
-   * @property {number} top - Position of the tip of the arrow of the tooltip, in pixels
-   * @property {number} left - Position of the tip of the arrow of the tooltip, in pixels
-   * @property {string|string[]} [position='top center'] - Tooltip position toward it's arrow tip.
-   *           Accepted values are combinations of `top`, `center`, `bottom` and `left`, `center`, `right`
-   * @property {Object} [box] - Used when displaying a tooltip on a marker
-   * @property {number} [box.width=0]
-   * @property {number} [box.height=0]
-   */
-
-  /**
-   * @typedef {PSV.components.Tooltip.Position} PSV.components.Tooltip.Config
-   * @summary Object defining the tooltip configuration
-   * @property {string} content - HTML content of the tooltip
-   * @property {string} [className] - Additional CSS class added to the tooltip
-   * @property {*} [data] - Userdata associated to the tooltip
-   */
-
-  /**
-   * @summary Tooltip component
-   * @description Never instanciate tooltips directly use {@link PSV.services.TooltipRenderer} instead
-   * @extends PSV.components.AbstractComponent
-   * @memberof PSV.components
-   */
-
-  var Tooltip = /*#__PURE__*/function (_AbstractComponent) {
-    _inheritsLoose(Tooltip, _AbstractComponent);
-
-    /**
-     * @param {PSV.Viewer} psv
-     * @param {{arrow: number, offset: number}} size
-     */
-    function Tooltip(psv, size) {
-      var _this;
-
-      _this = _AbstractComponent.call(this, psv, 'psv-tooltip') || this;
-      /**
-       * @override
-       * @property {number} arrow
-       * @property {number} offset
-       * @property {number} width
-       * @property {number} height
-       * @property {string} pos
-       * @property {string} state
-       * @property {*} data
-       */
-
-      _this.prop = _extends({}, _this.prop, size, {
-        state: STATE.NONE,
-        width: 0,
-        height: 0,
-        pos: '',
-        config: null,
-        data: null
-      });
-      /**
-       * Tooltip content
-       * @member {HTMLElement}
-       * @readonly
-       * @private
-       */
-
-      _this.content = document.createElement('div');
-      _this.content.className = 'psv-tooltip-content';
-
-      _this.container.appendChild(_this.content);
-      /**
-       * Tooltip arrow
-       * @member {HTMLElement}
-       * @readonly
-       * @package
-       */
-
-
-      _this.arrow = document.createElement('div');
-      _this.arrow.className = 'psv-tooltip-arrow';
-
-      _this.container.appendChild(_this.arrow);
-
-      _this.container.addEventListener('transitionend', _assertThisInitialized(_this));
-
-      _this.container.style.top = '-1000px';
-      _this.container.style.left = '-1000px';
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = Tooltip.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.arrow;
-      delete this.content;
-
-      _AbstractComponent.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Handles events
-     * @param {Event} e
-     * @private
-     */
-    ;
-
-    _proto.handleEvent = function handleEvent(e) {
-      /* eslint-disable */
-      switch (e.type) {
-        // @formatter:off
-        case 'transitionend':
-          this.__onTransitionEnd(e);
-
-          break;
-        // @formatter:on
-      }
-      /* eslint-enable */
-
-    }
-    /**
-     * @override
-     * @summary This method is not supported
-     * @throws {PSV.PSVError} always
-     */
-    ;
-
-    _proto.toggle = function toggle() {
-      throw new PSVError('Tooltip cannot be toggled');
-    }
-    /**
-     * @summary Displays the tooltip on the viewer
-     * Do not call this method directly, use {@link PSV.services.TooltipRenderer} instead.
-     * @param {PSV.components.Tooltip.Config} config
-     *
-     * @fires PSV.show-tooltip
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     *
-     * @package
-     */
-    ;
-
-    _proto.show = function show(config) {
-      if (this.prop.state !== STATE.NONE) {
-        throw new PSVError('Initialized tooltip cannot be re-initialized');
-      }
-
-      if (config.className) {
-        addClasses(this.container, config.className);
-      }
-
-      this.content.innerHTML = config.content;
-      var rect = this.container.getBoundingClientRect();
-      this.prop.width = rect.right - rect.left;
-      this.prop.height = rect.bottom - rect.top;
-      this.prop.state = STATE.READY;
-      this.move(config);
-      this.prop.data = config.data;
-      this.prop.state = STATE.SHOWING;
-      this.psv.trigger(EVENTS.SHOW_TOOLTIP, this.prop.data, this);
-
-      this.__waitImages();
-    }
-    /**
-     * @summary Moves the tooltip to a new position
-     * @param {PSV.components.Tooltip.Position} config
-     *
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.move = function move(config) {
-      if (this.prop.state !== STATE.SHOWING && this.prop.state !== STATE.READY) {
-        throw new PSVError('Uninitialized tooltip cannot be moved');
-      }
-
-      this.config = config;
-      var t = this.container;
-      var a = this.arrow; // compute size
-
-      var style = {
-        posClass: config.position ? cleanPosition(config.position, false) : ['top', 'center'],
-        width: this.prop.width,
-        height: this.prop.height,
-        top: 0,
-        left: 0,
-        arrowTop: 0,
-        arrowLeft: 0
-      }; // set initial position
-
-      this.__computeTooltipPosition(style, config); // correct position if overflow
-
-
-      var refresh = false;
-
-      if (style.top < this.prop.offset) {
-        style.posClass[0] = 'bottom';
-        refresh = true;
-      } else if (style.top + style.height > this.psv.prop.size.height - this.prop.offset) {
-        style.posClass[0] = 'top';
-        refresh = true;
-      }
-
-      if (style.left < this.prop.offset) {
-        style.posClass[1] = 'right';
-        refresh = true;
-      } else if (style.left + style.width > this.psv.prop.size.width - this.prop.offset) {
-        style.posClass[1] = 'left';
-        refresh = true;
-      }
-
-      if (refresh) {
-        this.__computeTooltipPosition(style, config);
-      } // apply position
-
-
-      t.style.top = style.top + 'px';
-      t.style.left = style.left + 'px';
-      a.style.top = style.arrowTop + 'px';
-      a.style.left = style.arrowLeft + 'px';
-      var newPos = style.posClass.join('-');
-
-      if (newPos !== this.prop.pos) {
-        t.classList.remove("psv-tooltip--" + this.prop.pos);
-        this.prop.pos = newPos;
-        t.classList.add("psv-tooltip--" + this.prop.pos);
-      }
-    }
-    /**
-     * @summary Hides the tooltip
-     * @fires PSV.hide-tooltip
-     */
-    ;
-
-    _proto.hide = function hide() {
-      this.container.classList.remove('psv-tooltip--visible');
-      this.prop.state = STATE.HIDING;
-      this.psv.trigger(EVENTS.HIDE_TOOLTIP, this.prop.data);
-    }
-    /**
-     * @summary Finalize transition
-     * @param {TransitionEvent} e
-     * @private
-     */
-    ;
-
-    _proto.__onTransitionEnd = function __onTransitionEnd(e) {
-      if (e.propertyName === 'transform') {
-        switch (this.prop.state) {
-          case STATE.SHOWING:
-            this.container.classList.add('psv-tooltip--visible');
-            this.prop.state = STATE.READY;
-            break;
-
-          case STATE.HIDING:
-            this.prop.state = STATE.NONE;
-            this.destroy();
-            break;
-
-        }
-      }
-    }
-    /**
-     * @summary Computes the position of the tooltip and its arrow
-     * @param {Object} style
-     * @param {Object} config
-     * @private
-     */
-    ;
-
-    _proto.__computeTooltipPosition = function __computeTooltipPosition(style, config) {
-      var topBottom = false;
-
-      if (!config.box) {
-        config.box = {
-          width: 0,
-          height: 0
-        };
-      }
-
-      switch (style.posClass[0]) {
-        case 'bottom':
-          style.top = config.top + config.box.height + this.prop.offset + this.prop.arrow;
-          style.arrowTop = -this.prop.arrow * 2;
-          topBottom = true;
-          break;
-
-        case 'center':
-          style.top = config.top + config.box.height / 2 - style.height / 2;
-          style.arrowTop = style.height / 2 - this.prop.arrow;
-          break;
-
-        case 'top':
-          style.top = config.top - style.height - this.prop.offset - this.prop.arrow;
-          style.arrowTop = style.height;
-          topBottom = true;
-          break;
-        // no default
-      }
-
-      switch (style.posClass[1]) {
-        case 'right':
-          if (topBottom) {
-            style.left = config.left + config.box.width / 2 - this.prop.offset - this.prop.arrow;
-            style.arrowLeft = this.prop.offset;
-          } else {
-            style.left = config.left + config.box.width + this.prop.offset + this.prop.arrow;
-            style.arrowLeft = -this.prop.arrow * 2;
-          }
-
-          break;
-
-        case 'center':
-          style.left = config.left + config.box.width / 2 - style.width / 2;
-          style.arrowLeft = style.width / 2 - this.prop.arrow;
-          break;
-
-        case 'left':
-          if (topBottom) {
-            style.left = config.left - style.width + config.box.width / 2 + this.prop.offset + this.prop.arrow;
-            style.arrowLeft = style.width - this.prop.offset - this.prop.arrow * 2;
-          } else {
-            style.left = config.left - style.width - this.prop.offset - this.prop.arrow;
-            style.arrowLeft = style.width;
-          }
-
-          break;
-        // no default
-      }
-    }
-    /**
-     * @summary If the tooltip contains images, recompute its size once they are loaded
-     * @private
-     */
-    ;
-
-    _proto.__waitImages = function __waitImages() {
-      var _this2 = this;
-
-      var images = this.content.querySelectorAll('img');
-
-      if (images.length > 0) {
-        var promises = [];
-        images.forEach(function (image) {
-          promises.push(new Promise(function (resolve) {
-            image.onload = resolve;
-            image.onerror = resolve;
-          }));
-        });
-        Promise.all(promises).then(function () {
-          if (_this2.prop.state === STATE.SHOWING || _this2.prop.state === STATE.READY) {
-            var rect = _this2.container.getBoundingClientRect();
-
-            _this2.prop.width = rect.right - rect.left;
-            _this2.prop.height = rect.bottom - rect.top;
-
-            _this2.move(_this2.config);
-          }
-        });
-      }
-    };
-
-    return Tooltip;
-  }(AbstractComponent);
-
-  /**
-   * @summary Tooltip renderer
-   * @extends PSV.services.AbstractService
-   * @memberof PSV.services
-   */
-
-  var TooltipRenderer = /*#__PURE__*/function (_AbstractService) {
-    _inheritsLoose(TooltipRenderer, _AbstractService);
-
-    /**
-     * @param {PSV.Viewer} psv
-     */
-    function TooltipRenderer(psv) {
-      var _this;
-
-      _this = _AbstractService.call(this, psv) || this;
-      var testTooltip = new Tooltip(_this.psv);
-      /**
-       * @summary Computed static sizes
-       * @member {Object}
-       * @package
-       * @property {number} arrowSize
-       * @property {number} offset
-       */
-
-      _this.size = {
-        arrow: parseInt(getStyle(testTooltip.arrow, 'borderTopWidth'), 10),
-        offset: parseInt(getStyle(testTooltip.container, 'outlineWidth'), 10)
-      };
-      testTooltip.destroy();
-      return _this;
-    }
-    /**
-     * @override
-     */
-
-
-    var _proto = TooltipRenderer.prototype;
-
-    _proto.destroy = function destroy() {
-      delete this.size;
-
-      _AbstractService.prototype.destroy.call(this);
-    }
-    /**
-     * @summary Displays a tooltip on the viewer
-     * @param {PSV.components.Tooltip.Config} config
-     * @returns {PSV.components.Tooltip}
-     *
-     * @fires PSV.show-tooltip
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     *
-     * @example
-     * viewer.tooltip.create({ content: 'Hello world', top: 200, left: 450, position: 'center bottom'})
-     */
-    ;
-
-    _proto.create = function create(config) {
-      var tooltip = new Tooltip(this.psv, this.size);
-      tooltip.show(config);
-      return tooltip;
-    };
-
-    return TooltipRenderer;
-  }(AbstractService);
-
-  three.Cache.enabled = true;
-  /**
-   * @summary Main class
-   * @memberOf PSV
-   * @extends {external:uEvent.EventEmitter}
-   */
-
-  var Viewer = /*#__PURE__*/function (_EventEmitter) {
-    _inheritsLoose(Viewer, _EventEmitter);
-
-    /**
-     * @param {PSV.Options} options
-     * @fires PSV.ready
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    function Viewer(options) {
-      var _this;
-
-      _this = _EventEmitter.call(this) || this;
-      SYSTEM.load(); // must support WebGL
-
-      if (!SYSTEM.isWebGLSupported) {
-        throw new PSVError('WebGL is not supported.');
-      }
-
-      if (SYSTEM.maxTextureWidth === 0) {
-        throw new PSVError('Unable to detect system capabilities');
-      }
-      /**
-       * @summary Internal properties
-       * @member {Object}
-       * @protected
-       * @property {boolean} ready - when all components are loaded
-       * @property {boolean} uiRefresh - if the UI needs to be renderer
-       * @property {boolean} needsUpdate - if the view needs to be renderer
-       * @property {boolean} fullscreen - if the viewer is currently fullscreen
-       * @property {external:THREE.Vector3} direction - direction of the camera
-       * @property {number} vFov - vertical FOV
-       * @property {number} hFov - horizontal FOV
-       * @property {number} aspect - viewer aspect ratio
-       * @property {boolean} autorotateEnabled - automatic rotation is enabled
-       * @property {PSV.Animation} animationPromise - promise of the current animation
-       * @property {Promise} loadingPromise - promise of the setPanorama method
-       * @property {boolean} littlePlanet - special tweaks for LittlePlanetAdapter
-       * @property {number} idleTime - time of the last user action
-       * @property {object} objectsObservers
-       * @property {PSV.Size} size - size of the container
-       * @property {PSV.PanoData} panoData - panorama metadata, if supported
-       */
-
-
-      _this.prop = {
-        ready: false,
-        uiRefresh: false,
-        needsUpdate: false,
-        fullscreen: false,
-        direction: new three.Vector3(0, 0, SPHERE_RADIUS),
-        vFov: null,
-        hFov: null,
-        aspect: null,
-        autorotateEnabled: false,
-        animationPromise: null,
-        loadingPromise: null,
-        littlePlanet: false,
-        idleTime: -1,
-        objectsObservers: {},
-        size: {
-          width: 0,
-          height: 0
-        },
-        panoData: {
-          fullWidth: 0,
-          fullHeight: 0,
-          croppedWidth: 0,
-          croppedHeight: 0,
-          croppedX: 0,
-          croppedY: 0,
-          poseHeading: 0,
-          posePitch: 0,
-          poseRoll: 0
-        }
-      };
-      /**
-       * @summary Configuration holder
-       * @type {PSV.Options}
-       * @readonly
-       */
-
-      _this.config = getConfig(options);
-      /**
-       * @summary Top most parent
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.parent = typeof options.container === 'string' ? document.getElementById(options.container) : options.container;
-      _this.parent[VIEWER_DATA] = _assertThisInitialized(_this);
-      /**
-       * @summary Main container
-       * @member {HTMLElement}
-       * @readonly
-       */
-
-      _this.container = document.createElement('div');
-
-      _this.container.classList.add('psv-container');
-
-      _this.parent.appendChild(_this.container);
-      /**
-       * @summary Render adapter
-       * @type {PSV.adapters.AbstractAdapter}
-       * @readonly
-       * @package
-       */
-
-
-      _this.adapter = new _this.config.adapter[0](_assertThisInitialized(_this), _this.config.adapter[1]); // eslint-disable-line new-cap
-
-      /**
-       * @summary All child components
-       * @type {PSV.components.AbstractComponent[]}
-       * @readonly
-       * @package
-       */
-
-      _this.children = [];
-      /**
-       * @summary All plugins
-       * @type {Object<string, PSV.plugins.AbstractPlugin>}
-       * @readonly
-       * @package
-       */
-
-      _this.plugins = {};
-      /**
-       * @type {PSV.services.Renderer}
-       * @readonly
-       */
-
-      _this.renderer = new Renderer(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.TextureLoader}
-       * @readonly
-       */
-
-      _this.textureLoader = new TextureLoader(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.EventsHandler}
-       * @readonly
-       */
-
-      _this.eventsHandler = new EventsHandler(_assertThisInitialized(_this));
-      /**
-       * @type {PSV.services.DataHelper}
-       * @readonly
-       */
-
-      _this.dataHelper = new DataHelper(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Loader}
-       * @readonly
-       */
-
-      _this.loader = new Loader(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Navbar}
-       * @readonly
-       */
-
-      _this.navbar = new Navbar(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Panel}
-       * @readonly
-       */
-
-      _this.panel = new Panel(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.services.TooltipRenderer}
-       * @readonly
-       */
-
-      _this.tooltip = new TooltipRenderer(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Notification}
-       * @readonly
-       */
-
-      _this.notification = new Notification(_assertThisInitialized(_this));
-      /**
-       * @member {PSV.components.Overlay}
-       * @readonly
-       */
-
-      _this.overlay = new Overlay(_assertThisInitialized(_this));
-      /**
-       * @member {Record<string, PSV.utils.Dynamic>}
-       * @package
-       */
-
-      _this.dynamics = {
-        zoom: new Dynamic(function (value) {
-          _this.prop.vFov = _this.dataHelper.zoomLevelToFov(value);
-          _this.prop.hFov = _this.dataHelper.vFovToHFov(_this.prop.vFov);
-
-          _this.trigger(EVENTS.ZOOM_UPDATED, value);
-        }, _this.config.defaultZoomLvl, 0, 100),
-        position: new MultiDynamic({
-          longitude: new Dynamic(null, _this.config.defaultLong, 0, 2 * Math.PI, true),
-          latitude: _this.prop.littlePlanet ? new Dynamic(null, _this.config.defaultLat, 0, Math.PI * 2, true) : new Dynamic(null, _this.config.defaultLat, -Math.PI / 2, Math.PI / 2)
-        }, function (position) {
-          _this.dataHelper.sphericalCoordsToVector3(position, _this.prop.direction);
-
-          _this.trigger(EVENTS.POSITION_UPDATED, position);
-        })
-      };
-
-      _this.__updateSpeeds();
-
-      _this.eventsHandler.init();
-
-      _this.__resizeRefresh = throttle(function () {
-        return _this.refreshUi('resize');
-      }, 500); // apply container size
-
-      _this.resize(_this.config.size); // init plugins
-
-
-      _this.config.plugins.forEach(function (_ref) {
-        var plugin = _ref[0],
-            opts = _ref[1];
-        _this.plugins[plugin.id] = new plugin(_assertThisInitialized(_this), opts); // eslint-disable-line new-cap
-      });
-
-      each(_this.plugins, function (plugin) {
-        return plugin.init == null ? void 0 : plugin.init();
-      }); // init buttons
-
-      _this.navbar.setButtons(_this.config.navbar); // load panorama
-
-
-      if (_this.config.panorama) {
-        _this.setPanorama(_this.config.panorama);
-      }
-
-      toggleClass(_this.container, 'psv--is-touch', SYSTEM.isTouchEnabled.initial);
-      SYSTEM.isTouchEnabled.promise.then(function (enabled) {
-        return toggleClass(_this.container, 'psv--is-touch', enabled);
-      }); // enable GUI after first render
-
-      _this.once(EVENTS.RENDER, function () {
-        if (_this.config.navbar) {
-          _this.container.classList.add('psv--has-navbar');
-
-          _this.navbar.show();
-        } // Queue autorotate
-
-
-        if (!isNil(_this.config.autorotateDelay)) {
-          _this.prop.idleTime = performance.now();
-        }
-
-        _this.prop.ready = true;
-        setTimeout(function () {
-          _this.refreshUi('init');
-
-          _this.trigger(EVENTS.READY);
-        }, 0);
-      });
-
-      return _this;
-    }
-    /**
-     * @summary Destroys the viewer
-     * @description The memory used by the ThreeJS context is not totally cleared. This will be fixed as soon as possible.
-     */
-
-
-    var _proto = Viewer.prototype;
-
-    _proto.destroy = function destroy() {
-      this.__stopAll();
-
-      this.stopKeyboardControl();
-      this.exitFullscreen();
-      each(this.plugins, function (plugin) {
-        return plugin.destroy();
-      });
-      delete this.plugins;
-      this.children.slice().forEach(function (child) {
-        return child.destroy();
-      });
-      this.children.length = 0;
-      this.eventsHandler.destroy();
-      this.renderer.destroy();
-      this.textureLoader.destroy();
-      this.dataHelper.destroy();
-      this.adapter.destroy();
-      this.parent.removeChild(this.container);
-      delete this.parent[VIEWER_DATA];
-      delete this.parent;
-      delete this.container;
-      delete this.loader;
-      delete this.navbar;
-      delete this.panel;
-      delete this.tooltip;
-      delete this.notification;
-      delete this.overlay;
-      delete this.dynamics;
-      delete this.config;
-    }
-    /**
-     * @summary Refresh UI
-     * @package
-     */
-    ;
-
-    _proto.refreshUi = function refreshUi(reason) {
-      var _this2 = this;
-
-      if (!this.prop.ready) {
-        return;
-      }
-
-      if (!this.prop.uiRefresh) {
-        // console.log(`PhotoSphereViewer: UI Refresh, ${reason}`);
-        this.prop.uiRefresh = true;
-        this.children.every(function (child) {
-          child.refreshUi();
-          return _this2.prop.uiRefresh === true;
-        });
-        this.prop.uiRefresh = false;
-      } else if (this.prop.uiRefresh !== 'new') {
-        this.prop.uiRefresh = 'new'; // wait for current refresh to cancel
-
-        setTimeout(function () {
-          _this2.prop.uiRefresh = false;
-
-          _this2.refreshUi(reason);
-        });
-      }
-    }
-    /**
-     * @summary Returns the instance of a plugin if it exists
-     * @param {Class<PSV.plugins.AbstractPlugin>|string} pluginId
-     * @returns {PSV.plugins.AbstractPlugin}
-     */
-    ;
-
-    _proto.getPlugin = function getPlugin(pluginId) {
-      if (typeof pluginId === 'string') {
-        return this.plugins[pluginId];
-      } else {
-        var pluginCtor = pluginInterop(pluginId, AbstractPlugin);
-        return pluginCtor ? this.plugins[pluginCtor.id] : undefined;
-      }
-    }
-    /**
-     * @summary Returns the current position of the camera
-     * @returns {PSV.Position}
-     */
-    ;
-
-    _proto.getPosition = function getPosition() {
-      return this.dataHelper.cleanPosition(this.dynamics.position.current);
-    }
-    /**
-     * @summary Returns the current zoom level
-     * @returns {number}
-     */
-    ;
-
-    _proto.getZoomLevel = function getZoomLevel() {
-      return this.dynamics.zoom.current;
-    }
-    /**
-     * @summary Returns the current viewer size
-     * @returns {PSV.Size}
-     */
-    ;
-
-    _proto.getSize = function getSize() {
-      return _extends({}, this.prop.size);
-    }
-    /**
-     * @summary Checks if the automatic rotation is enabled
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isAutorotateEnabled = function isAutorotateEnabled() {
-      return this.prop.autorotateEnabled;
-    }
-    /**
-     * @summary Checks if the viewer is in fullscreen
-     * @returns {boolean}
-     */
-    ;
-
-    _proto.isFullscreenEnabled = function isFullscreenEnabled$1() {
-      if (SYSTEM.fullscreenEvent) {
-        return isFullscreenEnabled(this.container);
-      } else {
-        return this.prop.fullscreen;
-      }
-    }
-    /**
-     * @summary Flags the view has changed for the next render
-     */
-    ;
-
-    _proto.needsUpdate = function needsUpdate() {
-      this.prop.needsUpdate = true;
-    }
-    /**
-     * @summary Resizes the canvas when the window is resized
-     * @fires PSV.size-updated
-     */
-    ;
-
-    _proto.autoSize = function autoSize() {
-      if (this.container.clientWidth !== this.prop.size.width || this.container.clientHeight !== this.prop.size.height) {
-        this.prop.size.width = Math.round(this.container.clientWidth);
-        this.prop.size.height = Math.round(this.container.clientHeight);
-        this.prop.aspect = this.prop.size.width / this.prop.size.height;
-        this.prop.hFov = this.dataHelper.vFovToHFov(this.prop.vFov);
-        this.trigger(EVENTS.SIZE_UPDATED, this.getSize());
-
-        this.__resizeRefresh();
-      }
-    }
-    /**
-     * @summary Loads a new panorama file
-     * @description Loads a new panorama file, optionally changing the camera position/zoom and activating the transition animation.<br>
-     * If the "options" parameter is not defined, the camera will not move and the ongoing animation will continue.<br>
-     * If another loading is already in progress it will be aborted.
-     * @param {*} path - URL of the new panorama file
-     * @param {PSV.PanoramaOptions} [options]
-     * @returns {Promise<boolean>} resolves false if the loading was aborted by another call
-     */
-    ;
-
-    _proto.setPanorama = function setPanorama(path, options) {
-      var _this$prop$transition,
-          _this3 = this;
-
-      if (options === void 0) {
-        options = {};
-      }
-
-      this.textureLoader.abortLoading();
-      (_this$prop$transition = this.prop.transitionAnimation) == null ? void 0 : _this$prop$transition.cancel(); // apply default parameters on first load
-
-      if (!this.prop.ready) {
-        ['sphereCorrection', 'panoData', 'overlay', 'overlayOpacity'].forEach(function (opt) {
-          if (!(opt in options)) {
-            options[opt] = _this3.config[opt];
-          }
-        });
-      }
-
-      if (options.transition === undefined || options.transition === true) {
-        options.transition = DEFAULT_TRANSITION;
-      }
-
-      if (options.showLoader === undefined) {
-        options.showLoader = true;
-      }
-
-      if (options.caption === undefined) {
-        options.caption = this.config.caption;
-      }
-
-      if (options.description === undefined) {
-        options.description = this.config.description;
-      }
-
-      if (!options.panoData && typeof this.config.panoData === 'function') {
-        options.panoData = this.config.panoData;
-      }
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options);
-
-      if (positionProvided || zoomProvided) {
-        this.__stopAll();
-      }
-
-      this.hideError();
-      this.config.panorama = path;
-      this.config.caption = options.caption;
-      this.config.description = options.description;
-
-      var done = function done(err) {
-        _this3.loader.hide();
-
-        _this3.prop.loadingPromise = null;
-
-        if (isAbortError(err)) {
-          return false;
-        } else if (err) {
-          _this3.navbar.setCaption('');
-
-          _this3.showError(_this3.config.lang.loadError);
-
-          console.error(err);
-          throw err;
-        } else {
-          _this3.resetIdleTimer();
-
-          _this3.setOverlay(options.overlay, options.overlayOpacity);
-
-          _this3.navbar.setCaption(_this3.config.caption);
-
-          return true;
-        }
-      };
-
-      this.navbar.setCaption("<em>" + (this.config.loadingTxt || '') + "</em>");
-
-      if (options.showLoader || !this.prop.ready) {
-        this.loader.show();
-      }
-
-      var loadingPromise = this.adapter.loadTexture(this.config.panorama, options.panoData).then(function (textureData) {
-        // check if another panorama was requested
-        if (textureData.panorama !== _this3.config.panorama) {
-          _this3.adapter.disposeTexture(textureData);
-
-          throw getAbortError();
-        }
-
-        return textureData;
-      });
-
-      if (!options.transition || !this.prop.ready || !this.adapter.supportsTransition(this.config.panorama)) {
-        this.prop.loadingPromise = loadingPromise.then(function (textureData) {
-          _this3.renderer.show();
-
-          _this3.renderer.setTexture(textureData);
-
-          _this3.renderer.setPanoramaPose(textureData.panoData);
-
-          _this3.renderer.setSphereCorrection(options.sphereCorrection);
-
-          if (zoomProvided) {
-            _this3.zoom(options.zoom);
-          }
-
-          if (positionProvided) {
-            _this3.rotate(options);
-          }
-        }).then(done, done);
-      } else {
-        this.prop.loadingPromise = loadingPromise.then(function (textureData) {
-          _this3.loader.hide();
-
-          _this3.prop.transitionAnimation = _this3.renderer.transition(textureData, options);
-          return _this3.prop.transitionAnimation;
-        }).then(function (completed) {
-          _this3.prop.transitionAnimation = null;
-
-          if (!completed) {
-            throw getAbortError();
-          }
-        }).then(done, done);
-      }
-
-      return this.prop.loadingPromise;
-    }
-    /**
-     * @summary Loads a new overlay
-     * @param {*} path - URL of the new overlay file
-     * @param {number} [opacity=1]
-     * @returns {Promise}
-     */
-    ;
-
-    _proto.setOverlay = function setOverlay(path, opacity) {
-      var _this4 = this;
-
-      if (opacity === void 0) {
-        opacity = 1;
-      }
-
-      if (!this.adapter.constructor.supportsOverlay) {
-        return Promise.reject(new PSVError(this.adapter.constructor.id + " adapter does not supports overlay"));
-      }
-
-      if (!path) {
-        this.renderer.setOverlay(null, 0);
-        return Promise.resolve();
-      } else {
-        return this.adapter.loadTexture(path, function (image) {
-          var p = _this4.prop.panoData;
-          var r = image.width / p.croppedWidth;
-          return {
-            fullWidth: r * p.fullWidth,
-            fullHeight: r * p.fullHeight,
-            croppedWidth: r * p.croppedWidth,
-            croppedHeight: r * p.croppedHeight,
-            croppedX: r * p.croppedX,
-            croppedY: r * p.croppedY
-          };
-        }, false).then(function (textureData) {
-          _this4.renderer.setOverlay(textureData, opacity);
-        });
-      }
-    }
-    /**
-     * @summary Update options
-     * @param {PSV.Options} options
-     * @fires PSV.config-changed
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.setOptions = function setOptions(options) {
-      var _this5 = this;
-
-      var rawConfig = _extends({}, this.config, options);
-
-      each(options, function (value, key) {
-        if (DEPRECATED_OPTIONS[key]) {
-          logWarn(DEPRECATED_OPTIONS[key]);
-          return;
-        }
-
-        if (!Object.prototype.hasOwnProperty.call(DEFAULTS, key)) {
-          throw new PSVError("Unknown option " + key);
-        }
-
-        if (READONLY_OPTIONS[key]) {
-          throw new PSVError(READONLY_OPTIONS[key]);
-        }
-
-        if (CONFIG_PARSERS[key]) {
-          _this5.config[key] = CONFIG_PARSERS[key](value, rawConfig);
-        } else {
-          _this5.config[key] = value;
-        }
-
-        switch (key) {
-          case 'overlay':
-          case 'overlayOpacity':
-            _this5.setOverlay(_this5.config.overlay, _this5.config.overlayOpacity);
-
-            break;
-
-          case 'caption':
-          case 'description':
-            _this5.navbar.setCaption(_this5.config.caption);
-
-            break;
-
-          case 'size':
-            _this5.resize(value);
-
-            break;
-
-          case 'sphereCorrection':
-            _this5.renderer.setSphereCorrection(value);
-
-            break;
-
-          case 'navbar':
-          case 'lang':
-            _this5.navbar.setButtons(_this5.config.navbar);
-
-            break;
-
-          case 'moveSpeed':
-          case 'zoomSpeed':
-            _this5.__updateSpeeds();
-
-            break;
-
-          case 'minFov':
-          case 'maxFov':
-            _this5.dynamics.zoom.setValue(_this5.dataHelper.fovToZoomLevel(_this5.prop.vFov));
-
-            _this5.trigger(EVENTS.ZOOM_UPDATED, _this5.getZoomLevel());
-
-            break;
-
-          case 'canvasBackground':
-            _this5.renderer.canvasContainer.style.background = _this5.config.canvasBackground;
-            break;
-
-          case 'autorotateIdle':
-            _this5.resetIdleTimer();
-
-            break;
-        }
-      });
-      this.needsUpdate();
-      this.refreshUi('set options');
-      this.trigger(EVENTS.CONFIG_CHANGED, Object.keys(options));
-    }
-    /**
-     * @summary Update options
-     * @param {string} option
-     * @param {any} value
-     * @fires PSV.config-changed
-     * @throws {PSV.PSVError} when the configuration is incorrect
-     */
-    ;
-
-    _proto.setOption = function setOption(option, value) {
-      var _this$setOptions;
-
-      this.setOptions((_this$setOptions = {}, _this$setOptions[option] = value, _this$setOptions));
-    }
-    /**
-     * @summary Restarts the idle timer (if `autorotateIdle=true`)
-     * @package
-     */
-    ;
-
-    _proto.resetIdleTimer = function resetIdleTimer() {
-      this.prop.idleTime = this.config.autorotateIdle ? performance.now() : -1;
-    }
-    /**
-     * @summary Stops the idle timer
-     * @package
-     */
-    ;
-
-    _proto.disableIdleTimer = function disableIdleTimer() {
-      this.prop.idleTime = -1;
-    }
-    /**
-     * @summary Starts the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.startAutorotate = function startAutorotate(refresh) {
-      if (refresh === void 0) {
-        refresh = false;
-      }
-
-      if (refresh && !this.isAutorotateEnabled()) {
-        return;
-      }
-
-      if (!refresh && this.isAutorotateEnabled()) {
-        return;
-      }
-
-      if (!refresh) {
-        this.__stopAll();
-      }
-
-      this.dynamics.position.roll({
-        longitude: this.config.autorotateSpeed < 0
-      }, Math.abs(this.config.autorotateSpeed / this.config.moveSpeed));
-      this.dynamics.position.goto({
-        latitude: this.config.autorotateLat
-      }, Math.abs(this.config.autorotateSpeed / this.config.moveSpeed));
-      this.prop.autorotateEnabled = true;
-
-      if (!refresh) {
-        this.trigger(EVENTS.AUTOROTATE, true);
-      }
-    }
-    /**
-     * @summary Stops the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.stopAutorotate = function stopAutorotate() {
-      if (this.isAutorotateEnabled()) {
-        this.dynamics.position.stop();
-        this.prop.autorotateEnabled = false;
-        this.trigger(EVENTS.AUTOROTATE, false);
-      }
-    }
-    /**
-     * @summary Starts or stops the automatic rotation
-     * @fires PSV.autorotate
-     */
-    ;
-
-    _proto.toggleAutorotate = function toggleAutorotate() {
-      if (this.isAutorotateEnabled()) {
-        this.stopAutorotate();
-      } else {
-        this.startAutorotate();
-      }
-    }
-    /**
-     * @summary Displays an error message over the viewer
-     * @param {string} message
-     */
-    ;
-
-    _proto.showError = function showError(message) {
-      this.overlay.show({
-        id: IDS.ERROR,
-        image: errorIcon,
-        text: message,
-        dissmisable: false
-      });
-    }
-    /**
-     * @summary Hides the error message
-     */
-    ;
-
-    _proto.hideError = function hideError() {
-      this.overlay.hide(IDS.ERROR);
-    }
-    /**
-     * @summary Rotates the view to specific longitude and latitude
-     * @param {PSV.ExtendedPosition} position
-     * @fires PSV.before-rotate
-     * @fires PSV.position-updated
-     */
-    ;
-
-    _proto.rotate = function rotate(position) {
-      var e = this.trigger(EVENTS.BEFORE_ROTATE, position);
-
-      if (e.isDefaultPrevented()) {
-        return;
-      }
-
-      var cleanPosition = this.change(CHANGE_EVENTS.GET_ROTATE_POSITION, this.dataHelper.cleanPosition(position));
-      this.dynamics.position.setValue(cleanPosition);
-    }
-    /**
-     * @summary Rotates and zooms the view with a smooth animation
-     * @param {PSV.AnimateOptions} options - position and/or zoom level
-     * @returns {PSV.Animation}
-     */
-    ;
-
-    _proto.animate = function animate(options) {
-      var _this6 = this;
-
-      this.__stopAll();
-
-      var positionProvided = isExtendedPosition(options);
-      var zoomProvided = ('zoom' in options);
-      var animProperties = {};
-      var duration; // clean/filter position and compute duration
-
-      if (positionProvided) {
-        var cleanPosition = this.change(CHANGE_EVENTS.GET_ANIMATE_POSITION, this.dataHelper.cleanPosition(options));
-        var currentPosition = this.getPosition(); // longitude offset for shortest arc
-
-        var tOffset = getShortestArc(currentPosition.longitude, cleanPosition.longitude);
-        animProperties.longitude = {
-          start: currentPosition.longitude,
-          end: currentPosition.longitude + tOffset
-        };
-        animProperties.latitude = {
-          start: currentPosition.latitude,
-          end: cleanPosition.latitude
-        };
-        duration = this.dataHelper.speedToDuration(options.speed, getAngle(currentPosition, cleanPosition));
-      } // clean/filter zoom and compute duration
-
-
-      if (zoomProvided) {
-        var dZoom = Math.abs(options.zoom - this.getZoomLevel());
-        animProperties.zoom = {
-          start: this.getZoomLevel(),
-          end: options.zoom
-        };
-
-        if (!duration) {
-          // if animating zoom only and a speed is given, use an arbitrary PI/4 to compute the duration
-          duration = this.dataHelper.speedToDuration(options.speed, Math.PI / 4 * dZoom / 100);
-        }
-      } // if no animation needed
-
-
-      if (!duration) {
-        if (positionProvided) {
-          this.rotate(options);
-        }
-
-        if (zoomProvided) {
-          this.zoom(options.zoom);
-        }
-
-        return new Animation();
-      }
-
-      this.prop.animationPromise = new Animation({
-        properties: animProperties,
-        duration: duration,
-        easing: 'inOutSine',
-        onTick: function onTick(properties) {
-          if (positionProvided) {
-            _this6.rotate(properties);
-          }
-
-          if (zoomProvided) {
-            _this6.zoom(properties.zoom);
-          }
-        }
-      });
-      this.prop.animationPromise.then(function () {
-        _this6.prop.animationPromise = null;
-
-        _this6.resetIdleTimer();
-      });
-      return this.prop.animationPromise;
-    }
-    /**
-     * @summary Stops the ongoing animation
-     * @description The return value is a Promise because the is no guaranty the animation can be stopped synchronously.
-     * @returns {Promise} Resolved when the animation has ben cancelled
-     */
-    ;
-
-    _proto.stopAnimation = function stopAnimation() {
-      var _this7 = this;
-
-      if (this.prop.animationPromise) {
-        return new Promise(function (resolve) {
-          _this7.prop.animationPromise.then(resolve);
-
-          _this7.prop.animationPromise.cancel();
-
-          _this7.prop.animationPromise = null;
-        });
-      } else {
-        return Promise.resolve();
-      }
-    }
-    /**
-     * @summary Zooms to a specific level between `max_fov` and `min_fov`
-     * @param {number} level - new zoom level from 0 to 100
-     * @fires PSV.zoom-updated
-     */
-    ;
-
-    _proto.zoom = function zoom(level) {
-      this.dynamics.zoom.setValue(level);
-    }
-    /**
-     * @summary Increases the zoom level
-     * @param {number} [step=1]
-     */
-    ;
-
-    _proto.zoomIn = function zoomIn(step) {
-      if (step === void 0) {
-        step = 1;
-      }
-
-      this.dynamics.zoom.step(step);
-    }
-    /**
-     * @summary Decreases the zoom level
-     * @param {number} [step=1]
-     */
-    ;
-
-    _proto.zoomOut = function zoomOut(step) {
-      if (step === void 0) {
-        step = 1;
-      }
-
-      this.dynamics.zoom.step(-step);
-    }
-    /**
-     * @summary Resizes the viewer
-     * @param {PSV.CssSize} size
-     */
-    ;
-
-    _proto.resize = function resize(size) {
-      var _this8 = this;
-
-      ['width', 'height'].forEach(function (dim) {
-        if (size && size[dim]) {
-          if (/^[0-9.]+$/.test(size[dim])) {
-            size[dim] += 'px';
-          }
-
-          _this8.parent.style[dim] = size[dim];
-        }
-      });
-      this.autoSize();
-    }
-    /**
-     * @summary Enters the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.enterFullscreen = function enterFullscreen() {
-      if (SYSTEM.fullscreenEvent) {
-        requestFullscreen(this.container);
-      } else {
-        this.container.classList.add('psv-container--fullscreen');
-        this.autoSize();
-
-        this.eventsHandler.__fullscreenToggled(true);
-      }
-    }
-    /**
-     * @summary Exits the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.exitFullscreen = function exitFullscreen$1() {
-      if (this.isFullscreenEnabled()) {
-        if (SYSTEM.fullscreenEvent) {
-          exitFullscreen();
-        } else {
-          this.container.classList.remove('psv-container--fullscreen');
-          this.autoSize();
-
-          this.eventsHandler.__fullscreenToggled(false);
-        }
-      }
-    }
-    /**
-     * @summary Enters or exits the fullscreen mode
-     * @fires PSV.fullscreen-updated
-     */
-    ;
-
-    _proto.toggleFullscreen = function toggleFullscreen() {
-      if (!this.isFullscreenEnabled()) {
-        this.enterFullscreen();
-      } else {
-        this.exitFullscreen();
-      }
-    }
-    /**
-     * @summary Enables the keyboard controls (done automatically when entering fullscreen)
-     */
-    ;
-
-    _proto.startKeyboardControl = function startKeyboardControl() {
-      this.eventsHandler.enableKeyboard();
-    }
-    /**
-     * @summary Disables the keyboard controls (done automatically when exiting fullscreen)
-     */
-    ;
-
-    _proto.stopKeyboardControl = function stopKeyboardControl() {
-      this.eventsHandler.disableKeyboard();
-    }
-    /**
-     * @summary Subscribes to events on objects in the scene
-     * @param {string} userDataKey - only objects with the following `userData` will be emitted
-     * @param {EventListener} listener - must implement `handleEvent
-     * @return {function} call to stop the subscription
-     * @package
-     */
-    ;
-
-    _proto.observeObjects = function observeObjects(userDataKey, listener) {
-      var _this9 = this;
-
-      this.prop.objectsObservers[userDataKey] = {
-        listener: listener
-      };
-      return function () {
-        delete _this9.prop.objectsObservers[userDataKey];
-      };
-    }
-    /**
-     * @summary Stops all current animations
-     * @returns {Promise}
-     * @package
-     */
-    ;
-
-    _proto.__stopAll = function __stopAll() {
-      this.trigger(EVENTS.STOP_ALL);
-      this.disableIdleTimer();
-      this.stopAutorotate();
-      return this.stopAnimation();
-    }
-    /**
-     * @summary Recomputes dynamics speeds
-     * @private
-     */
-    ;
-
-    _proto.__updateSpeeds = function __updateSpeeds() {
-      this.dynamics.zoom.setSpeed(this.config.zoomSpeed * 50);
-      this.dynamics.position.setSpeed(three.MathUtils.degToRad(this.config.moveSpeed * 50));
-    };
-
-    return Viewer;
-  }(uevent.EventEmitter);
-
-  exports.AbstractAdapter = AbstractAdapter;
-  exports.AbstractButton = AbstractButton;
-  exports.AbstractComponent = AbstractComponent;
-  exports.AbstractPlugin = AbstractPlugin;
-  exports.Animation = Animation;
-  exports.CONSTANTS = constants;
-  exports.DEFAULTS = DEFAULTS;
-  exports.EquirectangularAdapter = EquirectangularAdapter;
-  exports.PSVError = PSVError;
-  exports.SYSTEM = SYSTEM;
-  exports.Viewer = Viewer;
-  exports.registerButton = registerButton;
-  exports.utils = index;
-
-  Object.defineProperty(exports, '__esModule', { value: true });
-
-}));
-//# sourceMappingURL=photo-sphere-viewer.js.map
diff --git a/js/photo-sphere-viewer.min.js b/js/photo-sphere-viewer.min.js
new file mode 100644
index 0000000..0be6e3a
--- /dev/null
+++ b/js/photo-sphere-viewer.min.js
@@ -0,0 +1,40 @@
+/**
+ * Minified by jsDelivr using Terser v5.14.1.
+ * Original file: /npm/photo-sphere-viewer@4.7.1/dist/photo-sphere-viewer.js
+ *
+ * Do NOT use SRI with dynamically generated files! More information: https://www.jsdelivr.com/using-sri-with-dynamic-files
+ */
+/*!
+* Photo Sphere Viewer 4.7.1
+* @copyright 2014-2015 Jérémy Heleine
+* @copyright 2015-2022 Damien "Mistic" Sorel
+* @licence MIT (https://opensource.org/licenses/MIT)
+*/
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("three"),require("uevent")):"function"==typeof define&&define.amd?define(["exports","three","uevent"],e):e((t="undefined"!=typeof globalThis?globalThis:t||self).PhotoSphereViewer={},t.THREE,t.uEvent)}(this,(function(t,e,o){"use strict";function i(t){this.message=t,"captureStackTrace"in Error?Error.captureStackTrace(this,i):this.stack=(new Error).stack}i.prototype=Object.create(Error.prototype),i.prototype.name="PSVError",i.prototype.constructor=i;var n=function(){function t(t){this.psv=t}var o=t.prototype;return o.destroy=function(){delete this.psv},o.supportsTransition=function(t){return!1},o.supportsPreload=function(t){return!1},o.loadTexture=function(t,e,o){throw new i("loadTexture not implemented")},o.createMesh=function(t){throw new i("createMesh not implemented")},o.setTexture=function(t,e,o){throw new i("setTexture not implemented")},o.setTextureOpacity=function(t,e){throw new i("setTextureOpacity not implemented")},o.disposeTexture=function(t){throw new i("disposeTexture not implemented")},o.setOverlay=function(t,e,o){throw new i("setOverlay not implemented")},t.createOverlayMaterial=function(){var o;return new e.ShaderMaterial({uniforms:(o={},o[t.OVERLAY_UNIFORMS.panorama]={value:new e.Texture},o[t.OVERLAY_UNIFORMS.overlay]={value:new e.Texture},o[t.OVERLAY_UNIFORMS.globalOpacity]={value:1},o[t.OVERLAY_UNIFORMS.overlayOpacity]={value:1},o),vertexShader:"\nvarying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix *  modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"\nuniform sampler2D "+t.OVERLAY_UNIFORMS.panorama+";\nuniform sampler2D "+t.OVERLAY_UNIFORMS.overlay+";\nuniform float "+t.OVERLAY_UNIFORMS.globalOpacity+";\nuniform float "+t.OVERLAY_UNIFORMS.overlayOpacity+";\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec4 tColor1 = texture2D( "+t.OVERLAY_UNIFORMS.panorama+", vUv );\n  vec4 tColor2 = texture2D( "+t.OVERLAY_UNIFORMS.overlay+", vUv );\n  gl_FragColor = vec4( \n    mix( tColor1.rgb, tColor2.rgb, tColor2.a * "+t.OVERLAY_UNIFORMS.overlayOpacity+" ), \n    "+t.OVERLAY_UNIFORMS.globalOpacity+"\n  );\n}"})},t}();function r(t,e){for(var o=0;o<e.length;o++){var i=e[o];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,i.key,i)}}function s(t,e,o){return e&&r(t.prototype,e),o&&r(t,o),Object.defineProperty(t,"prototype",{writable:!1}),t}function a(){return a=Object.assign?Object.assign.bind():function(t){for(var e=1;e<arguments.length;e++){var o=arguments[e];for(var i in o)Object.prototype.hasOwnProperty.call(o,i)&&(t[i]=o[i])}return t},a.apply(this,arguments)}function c(t,e){t.prototype=Object.create(e.prototype),t.prototype.constructor=t,h(t,e)}function h(t,e){return h=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t},h(t,e)}function l(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}n.id=null,n.supportsDownload=!1,n.supportsOverlay=!1,n.OVERLAY_UNIFORMS={panorama:"panorama",overlay:"overlay",globalOpacity:"globalOpacity",overlayOpacity:"overlayOpacity"};var 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+/**
+   * @summary Normalize mousewheel values accross browsers
+   * @memberOf PSV.utils
+   * @description From Facebook's Fixed Data Table
+   * {@link https://github.com/facebookarchive/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js}
+   * @copyright Facebook
+   * @param {WheelEvent} event
+   * @returns {{spinX: number, spinY: number, pixelX: number, pixelY: number}}
+   */function k(t){var e=0,o=0,i=0,n=0;return"detail"in t&&(o=t.detail),"wheelDelta"in t&&(o=-t.wheelDelta/120),"wheelDeltaY"in t&&(o=-t.wheelDeltaY/120),"wheelDeltaX"in t&&(e=-t.wheelDeltaX/120),"axis"in t&&t.axis===t.HORIZONTAL_AXIS&&(e=o,o=0),i=10*e,n=10*o,"deltaY"in t&&(n=t.deltaY),"deltaX"in t&&(i=t.deltaX),(i||n)&&t.deltaMode&&(1===t.deltaMode?(i*=40,n*=40):(i*=800,n*=800)),i&&!e&&(e=i<1?-1:1),n&&!o&&(o=n<1?-1:1),{spinX:e,spinY:o,pixelX:i,pixelY:n}}function D(t,e){var o=t%e;return o<0&&(o+=e),o}function N(t,e){return Math.sqrt(Math.pow(t.x-e.x,2)+Math.pow(t.y-e.y,2))}function U(t,e){return[0,2*Math.PI,2*-Math.PI].reduce((function(o,i){var n=e-t+i;return Math.abs(n)<Math.abs(o)?n:o}),1/0)}function H(t,e){return Math.acos(Math.cos(t.latitude)*Math.cos(e.latitude)*Math.cos(t.longitude-e.longitude)+Math.sin(t.latitude)*Math.sin(e.latitude))}function z(t){return t.replace(/[A-Z](?:(?=[^A-Z])|[A-Z]*(?=[A-Z][^A-Z]|$))/g,(function(t,e){return(e>0?"-":"")+t.toLowerCase()}))}
+/**
+   * @summary Returns a function, that, when invoked, will only be triggered at most once during a given window of time.
+   * @memberOf PSV.utils
+   * @copyright underscore.js - modified by Clément Prévost {@link http://stackoverflow.com/a/27078401}
+   * @param {Function} func
+   * @param {number} wait
+   * @returns {Function}
+   */function F(t,e){var o,i,n,r,s=0,a=function(){s=Date.now(),r=void 0,n=t.apply(o,i),r||(o=i=null)};return function(){var c=Date.now();s||(s=c);var h=e-(c-s);return o=this,i=arguments,h<=0||h>e?(r&&(clearTimeout(r),r=void 0),s=c,n=t.apply(o,i),r||(o=i=null)):r||(r=setTimeout(a,h)),n}}function V(t){if("object"==typeof t&&null!==t){if("function"==typeof Object.getPrototypeOf){var e=Object.getPrototypeOf(t);return e===Object.prototype||null===e}return"[object Object]"===Object.prototype.toString.call(t)}return!1}
+/**
+   * @summary Merges the enumerable attributes of two objects
+   * @memberOf PSV.utils
+   * @description Replaces arrays and alters the target object.
+   * @copyright Nicholas Fisher <nfisher110@gmail.com>
+   * @param {Object} target
+   * @param {Object} src
+   * @returns {Object} target
+   */function W(t,e){var o=e;return function t(e,i){return Array.isArray(i)?(e&&Array.isArray(e)?e.length=0:e=[],i.forEach((function(o,i){e[i]=t(null,o)}))):"object"==typeof i?(e&&!Array.isArray(e)||(e={}),Object.keys(i).forEach((function(n){"object"==typeof i[n]&&i[n]&&V(i[n])?i[n]!=o&&(e[n]?t(e[n],i[n]):e[n]=t(null,i[n])):e[n]=i[n]}))):e=i,e}(t,e)}function Y(t){return W(null,t)}function j(t){return!t||0===Object.keys(t).length&&t.constructor===Object}function Z(t,e){Object.keys(t).forEach((function(o){e(t[o],o)}))}function X(t){return null==t}function B(){for(var t=arguments.length,e=new Array(t),o=0;o<t;o++)e[o]=arguments[o];for(var i=0,n=e;i<n.length;i++){var r=n[i];if(!X(r))return r}}function G(t){return"object"==typeof t&&null!=t}function q(t,e){if(t)for(var o=0,i=[["_",t]].concat(Object.entries(t));o<i.length;o++){var n=i[o][1];if(n.prototype instanceof e)return n}return null}function K(){var t=new Error("Loading was aborted.");return t.name="AbortError",t}function 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r.SPHERE_SEGMENTS=r.config.resolution,r.SPHERE_HORIZONTAL_SEGMENTS=r.SPHERE_SEGMENTS/2,r}c(o,t);var r=o.prototype;return r.supportsTransition=function(){return!0},r.supportsPreload=function(){return!0},r.loadTexture=function(t,e,o){var n=this;return void 0===o&&(o=this.psv.config.useXmpData),"string"!=typeof t?((Array.isArray(t)||"object"==typeof t&&t.left)&&$("Cubemap support now requires an additional adapter, see https://photo-sphere-viewer.js.org/guide/adapters"),Promise.reject(new i("Invalid panorama url, are you using the right adapter?"))):(o?this.__loadXMP(t,(function(t){return n.psv.loader.setProgress(t)})).then((function(e){return n.psv.textureLoader.loadImage(t).then((function(t){return{img:t,xmpPanoData:e}}))})):this.psv.textureLoader.loadImage(t,(function(t){return n.psv.loader.setProgress(t)})).then((function(t){return{img:t,xmpPanoData:null}}))).then((function(o){var i,r,s,a,c,h,l,p,u,d=o.img,v=o.xmpPanoData;"function"==typeof e&&(e=e(d));var f={fullWidth:B(null==(i=e)?void 0:i.fullWidth,null==v?void 0:v.fullWidth,d.width),fullHeight:B(null==(r=e)?void 0:r.fullHeight,null==v?void 0:v.fullHeight,d.height),croppedWidth:B(null==(s=e)?void 0:s.croppedWidth,null==v?void 0:v.croppedWidth,d.width),croppedHeight:B(null==(a=e)?void 0:a.croppedHeight,null==v?void 0:v.croppedHeight,d.height),croppedX:B(null==(c=e)?void 0:c.croppedX,null==v?void 0:v.croppedX,0),croppedY:B(null==(h=e)?void 0:h.croppedY,null==v?void 0:v.croppedY,0),poseHeading:B(null==(l=e)?void 0:l.poseHeading,null==v?void 0:v.poseHeading,0),posePitch:B(null==(p=e)?void 0:p.posePitch,null==v?void 0:v.posePitch,0),poseRoll:B(null==(u=e)?void 0:u.poseRoll,null==v?void 0:v.poseRoll,0)};f.croppedWidth===d.width&&f.croppedHeight===d.height||$("Invalid panoData, croppedWidth and/or croppedHeight is not coherent with loaded image.\n    panoData: "+f.croppedWidth+"x"+f.croppedHeight+", image: "+d.width+"x"+d.height),(e||v)&&f.fullWidth!==2*f.fullHeight&&$("Invalid panoData, 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e(i.result)},i.onerror=o,i.readAsText(t)}))},r.__createEquirectangularTexture=function(t,e){if(e.fullWidth>b.maxTextureWidth||e.croppedWidth!==e.fullWidth||e.croppedHeight!==e.fullHeight){var o=b.getMaxCanvasWidth()/e.fullWidth,i=a({},e);o<1&&(i.fullWidth*=o,i.fullHeight*=o,i.croppedWidth*=o,i.croppedHeight*=o,i.croppedX*=o,i.croppedY*=o);var n=document.createElement("canvas");return n.width=i.fullWidth,n.height=i.fullHeight,n.getContext("2d").drawImage(t,i.croppedX,i.croppedY,i.croppedWidth,i.croppedHeight),ct(n)}return ct(t)},r.createMesh=function(t){void 0===t&&(t=1);var o=new e.SphereGeometry(p*t,this.SPHERE_SEGMENTS,this.SPHERE_HORIZONTAL_SEGMENTS,-Math.PI/2).scale(-1,1,1),i=n.createOverlayMaterial();return new e.Mesh(o,i)},r.setTexture=function(t,e){this.__setUniform(t,n.OVERLAY_UNIFORMS.panorama,e.texture),this.setOverlay(t,null)},r.setOverlay=function(t,o,i){this.__setUniform(t,n.OVERLAY_UNIFORMS.overlayOpacity,i),o?this.__setUniform(t,n.OVERLAY_UNIFORMS.overlay,o.texture):this.__setUniform(t,n.OVERLAY_UNIFORMS.overlay,new e.Texture)},r.setTextureOpacity=function(t,e){this.__setUniform(t,n.OVERLAY_UNIFORMS.globalOpacity,e),t.material.transparent=e<1},r.disposeTexture=function(t){var e;null==(e=t.texture)||e.dispose()},r.__setUniform=function(t,o,i){t.material.uniforms[o].value instanceof e.Texture&&t.material.uniforms[o].value.dispose(),t.material.uniforms[o].value=i},o}(n);mt.id="equirectangular",mt.supportsDownload=!0,mt.supportsOverlay=!0;var gt=function(){function t(t,e){this.psv=t.psv||t,this.parent=t,this.parent.children.push(this),this.children=[],this.prop={visible:!0},this.container=document.createElement("div"),this.container.className=e,this.parent.container.appendChild(this.container)}var e=t.prototype;return e.destroy=function(){this.parent.container.removeChild(this.container);var t=this.parent.children.indexOf(this);-1!==t&&this.parent.children.splice(t,1),this.children.slice().forEach((function(t){return t.destroy()})),this.children.length=0,delete this.container,delete this.parent,delete this.psv,delete this.prop},e.refreshUi=function(){var t=this;this.children.every((function(e){return e.refreshUi(),!0===t.psv.prop.uiRefresh}))},e.toggle=function(){this.isVisible()?this.hide():this.show()},e.hide=function(){this.container.style.display="none",this.prop.visible=!1},e.show=function(){this.container.style.display="",this.prop.visible=!0},e.isVisible=function(){return this.prop.visible},t}(),_t=function(t){function e(e,o,i,n){var r;return void 0===o&&(o=""),void 0===i&&(i=!1),void 0===n&&(n=!0),(r=t.call(this,e,"psv-button "+o)||this).prop=a({},r.prop,{id:r.constructor.id,collapsable:i,enabled:!0,supported:!0,collapsed:!1,active:!1,width:r.container.offsetWidth}),r.constructor.icon&&r.__setIcon(r.constructor.icon),r.prop.id&&r.psv.config.lang[r.prop.id]&&(r.container.title=r.psv.config.lang[r.prop.id]),n&&(r.container.tabIndex=0),r.container.addEventListener("click",(function(t){r.prop.enabled&&r.onClick(),t.stopPropagation()})),r.container.addEventListener("keydown",(function(t){t.key===y.Enter&&r.prop.enabled&&(r.onClick(),t.stopPropagation())})),r}c(e,t);var o=e.prototype;return o.checkSupported=function(){var t=this,e=this.isSupported();V(e)?(!1===e.initial&&(this.hide(),this.prop.supported=!1),e.promise.then((function(e){t.prop&&(t.prop.supported=e,e?t.show():t.hide())}))):(this.prop.supported=e,e||this.hide())},o.isSupported=function(){return!0},o.toggleActive=function(t){this.prop.active=void 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i;return(i=t.call(this,e,"psv-custom-button",!1!==o.collapsable,!1!==o.tabbable)||this).config=o,i.config.id?i.prop.id=i.config.id:i.prop.id="psvButton-"+Math.random().toString(36).substr(2,9),i.config.className&&x(i.container,i.config.className),i.config.title&&(i.container.title=i.config.title),i.config.content&&(i.container.innerHTML=i.config.content),i.prop.width=i.container.offsetWidth,!1===i.config.enabled&&i.disable(),!1===i.config.visible&&i.hide(),i}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.config,t.prototype.destroy.call(this)},o.onClick=function(){this.config.onClick&&this.config.onClick.call(this.psv,this.psv)},e}(_t),Et=function(t){function e(e){var o;return(o=t.call(this,e,"psv-button--hover-scale psv-description-button")||this).prop=a({},o.prop,{mode:null}),o.psv.on(f.HIDE_NOTIFICATION,l(o)),o.psv.on(f.SHOW_NOTIFICATION,l(o)),o.psv.on(f.CLOSE_PANEL,l(o)),o.psv.on(f.OPEN_PANEL,l(o)),o}c(e,t);var o=e.prototype;return 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t.call(this,e,"psv-button--hover-scale psv-download-button",!0)||this}c(e,t);var o=e.prototype;return o.onClick=function(){var t=this,e=document.createElement("a");e.href=this.psv.config.downloadUrl||this.psv.config.panorama,e.download=e.href.split("/").pop(),this.psv.container.appendChild(e),e.click(),setTimeout((function(){t.psv.container.removeChild(e)}),100)},o.refreshUi=function(){var t=this.psv.adapter.constructor.supportsDownload||this.psv.config.downloadUrl;t&&!this.prop.visible?this.show():!t&&this.prop.visible&&this.hide()},e}(_t);Tt.id="download",Tt.icon='<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="currentColor" d="M83.3 35.6h-17V3H32.2v32.6H16.6l33.6 32.7 33-32.7z"/><path fill="currentColor" d="M83.3 64.2v16.3H16.6V64.2H-.1v32.6H100V64.2H83.3z"/>\x3c!--Created by Michael Zenaty from the Noun Project--\x3e</svg>\n';var bt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-button--hover-scale 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Nt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-zoom-range",!1,!1)||this).prop=a({},o.prop,{mediaMinWidth:0}),o.zoomRange=document.createElement("div"),o.zoomRange.className="psv-zoom-range-line",o.container.appendChild(o.zoomRange),o.zoomValue=document.createElement("div"),o.zoomValue.className="psv-zoom-range-handle",o.zoomRange.appendChild(o.zoomValue),o.slider=new vt({container:o.container,direction:vt.HORIZONTAL,onUpdate:function(t){return o.__onSliderUpdate(t)}}),o.prop.mediaMinWidth=parseInt(R(o.container,"maxWidth"),10),o.psv.on(f.ZOOM_UPDATED,l(o)),o.psv.prop.ready?o.__moveZoomValue(o.psv.getZoomLevel()):o.psv.once(f.READY,l(o)),o.refreshUi(),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.slider.destroy(),delete this.zoomRange,delete this.zoomValue,this.psv.off(f.ZOOM_UPDATED,this),this.psv.off(f.READY,this),t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case f.ZOOM_UPDATED:this.__moveZoomValue(t.args[0]);break;case 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t.collapse()})),this.collapsed=n,this.getButton(Mt.id).show(!1)):e>=o&&this.collapsed.length>0&&(this.collapsed.forEach((function(t){return t.uncollapse()})),this.collapsed=[],this.getButton(Mt.id).hide(!1));var r=this.getButton(Yt.id,!1);r&&r.refreshUi()}},o.__cleanButtons=function(t){return!0===t?Y(zt.navbar):"string"==typeof t?t.split(/[ ,]/):t||[]},e}(gt),Gt=function(t){function o(e){var o;return(o=t.call(this,e,"psv-loader-container")||this).loader=document.createElement("div"),o.loader.className="psv-loader",o.container.appendChild(o.loader),o.canvas=document.createElement("canvas"),o.canvas.className="psv-loader-canvas",o.canvas.width=o.loader.clientWidth*b.pixelRatio,o.canvas.height=o.loader.clientWidth*b.pixelRatio,o.loader.appendChild(o.canvas),o.prop=a({},o.prop,{tickness:(o.loader.offsetWidth-o.loader.clientWidth)/2*b.pixelRatio,current:null}),o.refreshUi(),o.hide(),o}c(o,t);var i=o.prototype;return i.destroy=function(){delete this.loader,delete this.canvas,t.prototype.destroy.call(this)},i.refreshUi=function(){if(this.prop.current!==(this.psv.config.loadingImg||this.psv.config.loadingTxt)){var t;if(this.prop.current&&this.loader.removeChild(this.loader.lastChild),this.psv.config.loadingImg?((t=document.createElement("img")).className="psv-loader-image",t.src=this.psv.config.loadingImg):this.psv.config.loadingTxt&&((t=document.createElement("div")).className="psv-loader-text",t.innerHTML=this.psv.config.loadingTxt),t){var e=Math.round(Math.sqrt(2*Math.pow((this.canvas.width/2-this.prop.tickness/2)/b.pixelRatio,2)));t.style.maxWidth=e+"px",t.style.maxHeight=e+"px",this.loader.appendChild(t)}this.prop.current=this.psv.config.loadingImg||this.psv.config.loadingTxt}},i.setProgress=function(t){var o=this.canvas.getContext("2d");o.clearRect(0,0,this.canvas.width,this.canvas.height),o.lineWidth=this.prop.tickness,o.strokeStyle=R(this.loader,"color"),o.beginPath(),o.arc(this.canvas.width/2,this.canvas.height/2,this.canvas.width/2-this.prop.tickness/2,-Math.PI/2,e.MathUtils.clamp(t,0,100)/100*2*Math.PI-Math.PI/2),o.stroke(),this.psv.trigger(f.LOAD_PROGRESS,Math.round(t))},o}(gt),qt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-notification")||this).prop=a({},o.prop,{visible:!1,contentId:void 0,timeout:null}),o.content=document.createElement("div"),o.content.className="psv-notification-content",o.container.appendChild(o.content),o.content.addEventListener("click",(function(){return o.hide()})),o}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.content,t.prototype.destroy.call(this)},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Notification cannot be toggled")},o.show=function(t){var e=this;this.prop.timeout&&(clearTimeout(this.prop.timeout),this.prop.timeout=null),"string"==typeof t&&(t={content:t}),this.prop.contentId=t.id,this.content.innerHTML=t.content,this.container.classList.add("psv-notification--visible"),this.prop.visible=!0,this.psv.trigger(f.SHOW_NOTIFICATION,t.id),t.timeout&&(this.prop.timeout=setTimeout((function(){return e.hide(t.id)}),t.timeout))},o.hide=function(t){if(this.isVisible(t)){var e=this.prop.contentId;this.container.classList.remove("psv-notification--visible"),this.prop.visible=!1,this.prop.contentId=void 0,this.psv.trigger(f.HIDE_NOTIFICATION,e)}},e}(gt),Kt=function(t){function e(e){var o;return(o=t.call(this,e,"psv-overlay")||this).prop=a({},o.prop,{contentId:void 0,dissmisable:!0}),o.image=document.createElement("div"),o.image.className="psv-overlay-image",o.container.appendChild(o.image),o.text=document.createElement("div"),o.text.className="psv-overlay-text",o.container.appendChild(o.text),o.subtext=document.createElement("div"),o.subtext.className="psv-overlay-subtext",o.container.appendChild(o.subtext),o.psv.on(f.CLICK,l(o)),o.psv.on(f.KEY_PRESS,l(o)),t.prototype.hide.call(l(o)),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.psv.off(f.CLICK,this),this.psv.off(f.KEY_PRESS,this),delete this.image,delete this.text,delete this.subtext,t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case f.CLICK:this.isVisible()&&this.prop.dissmisable&&(this.hide(),t.stopPropagation());break;case f.KEY_PRESS:this.isVisible()&&this.prop.dissmisable&&t.args[0]===y.Escape&&(this.hide(),t.preventDefault())}},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Overlay cannot be toggled")},o.show=function(e){"string"==typeof e&&(e={text:e}),this.prop.contentId=e.id,this.prop.dissmisable=!1!==e.dissmisable,this.image.innerHTML=e.image||"",this.text.innerHTML=e.text||"",this.subtext.innerHTML=e.subtext||"",t.prototype.show.call(this),this.psv.trigger(f.SHOW_OVERLAY,e.id)},o.hide=function(e){if(this.isVisible(e)){var o=this.prop.contentId;t.prototype.hide.call(this),this.prop.contentId=void 0,this.psv.trigger(f.HIDE_OVERLAY,o)}},e}(gt),Qt=function(t){function e(e){var o;(o=t.call(this,e,"psv-panel psv--capture-event")||this).prop=a({},o.prop,{visible:!1,contentId:void 0,mouseX:0,mouseY:0,mousedown:!1,clickHandler:null,keyHandler:null,width:{}});var i=document.createElement("div");i.className="psv-panel-resizer",o.container.appendChild(i);var n=document.createElement("div");return n.className="psv-panel-close-button",o.container.appendChild(n),o.content=document.createElement("div"),o.content.className="psv-panel-content",o.container.appendChild(o.content),o.container.addEventListener(b.mouseWheelEvent,(function(t){return t.stopPropagation()})),n.addEventListener("click",(function(){return o.hide()})),i.addEventListener("mousedown",l(o)),i.addEventListener("touchstart",l(o)),o.psv.container.addEventListener("mouseup",l(o)),o.psv.container.addEventListener("touchend",l(o)),o.psv.container.addEventListener("mousemove",l(o)),o.psv.container.addEventListener("touchmove",l(o)),o.psv.on(f.KEY_PRESS,l(o)),o}c(e,t);var o=e.prototype;return o.destroy=function(){this.psv.off(f.KEY_PRESS,this),this.psv.container.removeEventListener("mousemove",this),this.psv.container.removeEventListener("touchmove",this),this.psv.container.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchend",this),delete this.prop,delete this.content,t.prototype.destroy.call(this)},o.handleEvent=function(t){switch(t.type){case"mousedown":this.__onMouseDown(t);break;case"touchstart":this.__onTouchStart(t);break;case"mousemove":this.__onMouseMove(t);break;case"touchmove":this.__onTouchMove(t);break;case"mouseup":case"touchend":this.__onMouseUp(t);break;case f.KEY_PRESS:this.isVisible()&&t.args[0]===y.Escape&&(this.hide(),t.preventDefault())}},o.isVisible=function(t){return this.prop.visible&&(!t||!this.prop.contentId||this.prop.contentId===t)},o.toggle=function(){throw new i("Panel cannot be toggled")},o.show=function(t){var e=this,o=this.isVisible(t.id);"string"==typeof t&&(t={content:t}),this.prop.contentId=t.id,this.prop.visible=!0,this.prop.clickHandler&&(this.content.removeEventListener("click",this.prop.clickHandler),this.content.removeEventListener("keydown",this.prop.keyHandler),this.prop.clickHandler=null,this.prop.keyHandler=null),t.id&&this.prop.width[t.id]?this.container.style.width=this.prop.width[t.id]:t.width?this.container.style.width=t.width:this.container.style.width=null,this.content.innerHTML=t.content,this.content.scrollTop=0,this.container.classList.add("psv-panel--open"),L(this.content,"psv-panel-content--no-margin",!0===t.noMargin),t.clickHandler&&(this.prop.clickHandler=t.clickHandler,this.prop.keyHandler=function(e){e.key===y.Enter&&t.clickHandler(e)},this.content.addEventListener("click",this.prop.clickHandler),this.content.addEventListener("keydown",this.prop.keyHandler),o||setTimeout((function(){var t;null==(t=e.content.querySelector("a,button,[tabindex]"))||t.focus()}),300)),this.psv.trigger(f.OPEN_PANEL,t.id)},o.hide=function(t){if(this.isVisible(t)){var e=this.prop.contentId;this.prop.visible=!1,this.prop.contentId=void 0,this.content.innerHTML=null,this.container.classList.remove("psv-panel--open"),this.prop.clickHandler&&(this.content.removeEventListener("click",this.prop.clickHandler),this.prop.clickHandler=null),this.psv.trigger(f.CLOSE_PANEL,e)}},o.__onMouseDown=function(t){t.stopPropagation(),this.__startResize(t)},o.__onTouchStart=function(t){t.stopPropagation(),this.__startResize(t.changedTouches[0])},o.__onMouseUp=function(t){this.prop.mousedown&&(t.stopPropagation(),this.prop.mousedown=!1,this.content.classList.remove("psv-panel-content--no-interaction"))},o.__onMouseMove=function(t){this.prop.mousedown&&(t.stopPropagation(),this.__resize(t))},o.__onTouchMove=function(t){this.prop.mousedown&&this.__resize(t.touches[0])},o.__startResize=function(t){this.prop.mouseX=t.clientX,this.prop.mouseY=t.clientY,this.prop.mousedown=!0,this.content.classList.add("psv-panel-content--no-interaction")},o.__resize=function(t){var e=t.clientX,o=t.clientY,i=Math.max(200,this.container.offsetWidth-(e-this.prop.mouseX))+"px";this.prop.contentId&&(this.prop.width[this.prop.contentId]=i),this.container.style.width=i,this.prop.mouseX=e,this.prop.mouseY=o},e}(gt),$t=function(){function t(t){this.psv=t,this.config=t.config,this.prop=t.prop}return t.prototype.destroy=function(){delete this.psv,delete this.config,delete this.prop},t}(),Jt=new e.Vector2,te=new e.Vector3,ee=new e.Euler(0,0,0,"ZXY"),oe=function(t){function o(e){return t.call(this,e)||this}c(o,t);var n=o.prototype;return n.fovToZoomLevel=function(t){var e=Math.round((t-this.config.minFov)/(this.config.maxFov-this.config.minFov)*100);return e-2*(e-50)},n.zoomLevelToFov=function(t){return this.config.maxFov+t/100*(this.config.minFov-this.config.maxFov)},n.vFovToHFov=function(t){return e.MathUtils.radToDeg(2*Math.atan(Math.tan(e.MathUtils.degToRad(t)/2)*this.prop.aspect))},n.speedToDuration=function(t,e){if(t&&"number"==typeof t)return Math.abs(t);var o=t?st(t):this.config.autorotateSpeed;return e/Math.abs(o)*1e3},n.textureCoordsToSphericalCoords=function(t){var e=this.prop.panoData;if(!e)throw new i("Current adapter does not support texture coordinates.");var o=(t.x+e.croppedX)/e.fullWidth*Math.PI*2,n=(t.y+e.croppedY)/e.fullHeight*Math.PI,r={longitude:o>=Math.PI?o-Math.PI:o+Math.PI,latitude:Math.PI/2-n};return ee.equals(this.psv.renderer.mesh.rotation)&&ee.equals(this.psv.renderer.meshContainer.rotation)?r:(this.sphericalCoordsToVector3(r,te),te.applyEuler(this.psv.renderer.mesh.rotation),te.applyEuler(this.psv.renderer.meshContainer.rotation),this.vector3ToSphericalCoords(te))},n.sphericalCoordsToTextureCoords=function(t){var e=this.prop.panoData;if(!e)throw new i("Current adapter does not support texture coordinates.");ee.equals(this.psv.renderer.mesh.rotation)&&ee.equals(this.psv.renderer.meshContainer.rotation)||(this.sphericalCoordsToVector3(t,te),lt(te,this.psv.renderer.meshContainer.rotation),lt(te,this.psv.renderer.mesh.rotation),t=this.vector3ToSphericalCoords(te));var o=t.longitude/Math.PI/2*e.fullWidth,n=t.latitude/Math.PI*e.fullHeight;return{x:Math.round(t.longitude<Math.PI?o+e.fullWidth/2:o-e.fullWidth/2)-e.croppedX,y:Math.round(e.fullHeight/2-n)-e.croppedY}},n.sphericalCoordsToVector3=function(t,o){return o||(o=new e.Vector3),o.x=p*-Math.cos(t.latitude)*Math.sin(t.longitude),o.y=p*Math.sin(t.latitude),o.z=p*Math.cos(t.latitude)*Math.cos(t.longitude),o},n.vector3ToSphericalCoords=function(t){var e=Math.acos(t.y/Math.sqrt(t.x*t.x+t.y*t.y+t.z*t.z)),o=Math.atan2(t.x,t.z);return{longitude:o<0?-o:2*Math.PI-o,latitude:Math.PI/2-e}},n.viewerCoordsToVector3=function(t){var e=this.getIntersections(t).filter((function(t){return t.object.userData.psvSphere}));return e.length?e[0].point:null},n.vector3ToViewerCoords=function(t){var e=t.clone();return e.project(this.psv.renderer.camera),{x:Math.round((e.x+1)/2*this.prop.size.width),y:Math.round((1-e.y)/2*this.prop.size.height)}},n.sphericalCoordsToViewerCoords=function(t){return this.vector3ToViewerCoords(this.sphericalCoordsToVector3(t,te))},n.getIntersections=function(t){return Jt.x=2*t.x/this.prop.size.width-1,Jt.y=-2*t.y/this.prop.size.height+1,this.psv.renderer.raycaster.setFromCamera(Jt,this.psv.renderer.camera),this.psv.renderer.raycaster.intersectObjects(this.psv.renderer.scene.children,!0).filter((function(t){return!!t.object.userData}))},n.cleanPosition=function(t){return void 0!==t.x&&void 0!==t.y?this.textureCoordsToSphericalCoords(t):{longitude:at(t.longitude),latitude:at(t.latitude,!this.prop.littlePlanet)}},n.cleanSphereCorrection=function(t){return{pan:at((null==t?void 0:t.pan)||0),tilt:at((null==t?void 0:t.tilt)||0,!0),roll:at((null==t?void 0:t.roll)||0,!0,!1)}},n.cleanPanoramaPose=function(t){return{pan:e.MathUtils.degToRad((null==t?void 0:t.poseHeading)||0),tilt:e.MathUtils.degToRad((null==t?void 0:t.posePitch)||0),roll:e.MathUtils.degToRad((null==t?void 0:t.poseRoll)||0)}},o}($t),ie=function(t){function o(e){var o;return(o=t.call(this,e)||this).state={moveThreshold:4*b.pixelRatio,keyboardEnabled:!1,moving:!1,zooming:!1,startMouseX:0,startMouseY:0,mouseX:0,mouseY:0,mouseHistory:[],pinchDist:0,keyHandler:new Lt,ctrlKeyDown:!1,dblclickData:null,dblclickTimeout:null,longtouchTimeout:null,twofingersTimeout:null,ctrlZoomTimeout:null},o.__onResize=F((function(){return o.psv.autoSize()}),50),o}c(o,t);var i=o.prototype;return i.init=function(){window.addEventListener("resize",this),window.addEventListener("keydown",this),window.addEventListener("keyup",this),this.psv.container.addEventListener("mouseenter",this),this.psv.container.addEventListener("mousedown",this),this.psv.container.addEventListener("mouseleave",this),this.psv.container.addEventListener("mousemove",this),window.addEventListener("mouseup",this),this.psv.container.addEventListener("touchstart",this),this.psv.container.addEventListener("touchmove",this),window.addEventListener("touchend",this),this.psv.container.addEventListener(b.mouseWheelEvent,this),b.fullscreenEvent&&document.addEventListener(b.fullscreenEvent,this)},i.destroy=function(){window.removeEventListener("resize",this),window.removeEventListener("keydown",this),window.removeEventListener("keyup",this),this.psv.container.removeEventListener("mouseenter",this),this.psv.container.removeEventListener("mousedown",this),this.psv.container.removeEventListener("mouseleave",this),this.psv.container.removeEventListener("mousemove",this),window.removeEventListener("mouseup",this),this.psv.container.removeEventListener("touchstart",this),this.psv.container.removeEventListener("touchmove",this),window.removeEventListener("touchend",this),this.psv.container.removeEventListener(b.mouseWheelEvent,this),b.fullscreenEvent&&document.removeEventListener(b.fullscreenEvent,this),clearTimeout(this.state.dblclickTimeout),clearTimeout(this.state.longtouchTimeout),clearTimeout(this.state.twofingersTimeout),clearTimeout(this.state.ctrlZoomTimeout),delete this.state,t.prototype.destroy.call(this)},i.handleEvent=function(t){switch(t.type){case"resize":this.__onResize();break;case"keydown":this.__onKeyDown(t);break;case"keyup":this.__onKeyUp();break;case"mouseup":this.__onMouseUp(t);break;case"touchend":this.__onTouchEnd(t);break;case b.fullscreenEvent:this.__fullscreenToggled()}if(!C(t.target,".psv--capture-event"))switch(t.type){case"mousedown":this.__onMouseDown(t);break;case"mouseenter":this.__onMouseEnter(t);break;case"mouseleave":this.__onMouseLeave(t);break;case"mousemove":this.__onMouseMove(t);break;case"touchstart":this.__onTouchStart(t);break;case"touchmove":this.__onTouchMove(t);break;case b.mouseWheelEvent:this.__onMouseWheel(t)}},i.enableKeyboard=function(){this.state.keyboardEnabled=!0},i.disableKeyboard=function(){this.state.keyboardEnabled=!1},i.__onKeyDown=function(t){if(this.config.mousewheelCtrlKey&&(this.state.ctrlKeyDown=t.key===y.Control,this.state.ctrlKeyDown&&(clearTimeout(this.state.ctrlZoomTimeout),this.psv.overlay.hide(_.CTRL_ZOOM))),!this.psv.trigger(f.KEY_PRESS,t.key).isDefaultPrevented()&&this.state.keyboardEnabled){var e=this.config.keyboard[t.key];if(e===v.TOGGLE_AUTOROTATE)this.psv.toggleAutorotate();else if(e&&!this.state.keyHandler.time){switch(e!==v.ZOOM_IN&&e!==v.ZOOM_OUT&&this.psv.__stopAll(),e){case v.ROTATE_LAT_UP:this.psv.dynamics.position.roll({latitude:!1});break;case v.ROTATE_LAT_DOWN:this.psv.dynamics.position.roll({latitude:!0});break;case v.ROTATE_LONG_RIGHT:this.psv.dynamics.position.roll({longitude:!1});break;case v.ROTATE_LONG_LEFT:this.psv.dynamics.position.roll({longitude:!0});break;case v.ZOOM_IN:this.psv.dynamics.zoom.roll(!1);break;case v.ZOOM_OUT:this.psv.dynamics.zoom.roll(!0)}this.state.keyHandler.down()}}},i.__onKeyUp=function(){var t=this;this.state.ctrlKeyDown=!1,this.state.keyboardEnabled&&this.state.keyHandler.up((function(){t.psv.dynamics.position.stop(),t.psv.dynamics.zoom.stop(),t.psv.resetIdleTimer()}))},i.__onMouseDown=function(t){this.config.mousemove&&!this.config.captureCursor&&this.__startMove(t)},i.__onMouseEnter=function(t){this.config.mousemove&&this.config.captureCursor&&this.__startMove(t)},i.__onMouseUp=function(t){this.config.mousemove&&!this.config.captureCursor&&this.__stopMove(t)},i.__onMouseLeave=function(t){this.config.mousemove&&this.config.captureCursor&&this.__stopMove(t)},i.__onMouseMove=function(t){if(this.config.mousemove&&(0!==t.buttons?(t.preventDefault(),this.__move(t)):this.config.captureCursor&&this.__moveAbsolute(t)),!j(this.prop.objectsObservers)){var e=P(this.psv.container),o={x:t.clientX-e.left,y:t.clientY-e.top},i=this.psv.dataHelper.getIntersections(o),n=function(e,i,n){e.listener.handleEvent(new CustomEvent(n,{detail:{originalEvent:t,object:e.object,data:e.object.userData[i],viewerPoint:o}}))};Z(this.prop.objectsObservers,(function(t,e){var o=i.find((function(t){return t.object.userData[e]}));o?(t.object&&o.object!==t.object&&(n(t,e,g.LEAVE_OBJECT),delete t.object),t.object?n(t,e,g.HOVER_OBJECT):(t.object=o.object,n(t,e,g.ENTER_OBJECT))):t.object&&(n(t,e,g.LEAVE_OBJECT),delete t.object)}))}},i.__onTouchStart=function(t){var e=this;this.config.mousemove&&(1===t.touches.length?(this.config.touchmoveTwoFingers||(this.__startMove(t.touches[0]),t.preventDefault()),this.prop.longtouchTimeout||(this.prop.longtouchTimeout=setTimeout((function(){e.__click(t.touches[0],!0),e.prop.longtouchTimeout=null}),500))):2===t.touches.length&&(this.__cancelLongTouch(),this.__cancelTwoFingersOverlay(),this.__startMoveZoom(t),t.preventDefault()))},i.__onTouchEnd=function(t){this.config.mousemove&&(this.__cancelLongTouch(),this.__cancelTwoFingersOverlay(),1===t.touches.length?this.__stopMoveZoom():0===t.touches.length&&this.__stopMove(t.changedTouches[0]))},i.__onTouchMove=function(t){var e=this;this.config.mousemove&&(this.__cancelLongTouch(),1===t.touches.length?this.config.touchmoveTwoFingers?this.prop.twofingersTimeout||(this.prop.twofingersTimeout=setTimeout((function(){e.psv.overlay.show({id:_.TWO_FINGERS,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path fill="currentColor" d="M33.38 33.2a1.96 1.96 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0-2.45.33-3.5.9V16.69a7.42 7.42 0 0 0-14.85 0v1.86a7 7 0 0 0-3.28-.94 7.21 7.21 0 0 0-5.26 2.07 7.92 7.92 0 0 0-2.38 5.67v37.9l-5.83-7.82a10.2 10.2 0 0 0-13.35-2.92 4.1 4.1 0 0 0-1.53 5.48C20 64.52 28.74 80.45 34.07 87.34c.72 1.04 9.02 12.59 23.4 12.59 7.96 0 14.66-2.84 19.38-8.2a26.06 26.06 0 0 0 6.18-14.6l1.78-18.2v-.2c0-4.26-3.32-7.73-7.42-7.73z"/>\x3c!--Created by AomAm from the Noun Project--\x3e</svg>\n',text:e.config.lang.twoFingers})}),100)):(t.preventDefault(),this.__move(t.touches[0])):2===t.touches.length&&(t.preventDefault(),this.__moveZoom(t),this.__cancelTwoFingersOverlay()))},i.__cancelLongTouch=function(){this.prop.longtouchTimeout&&(clearTimeout(this.prop.longtouchTimeout),this.prop.longtouchTimeout=null)},i.__cancelTwoFingersOverlay=function(){this.prop.twofingersTimeout&&(clearTimeout(this.prop.twofingersTimeout),this.prop.twofingersTimeout=null),this.psv.overlay.hide(_.TWO_FINGERS)},i.__onMouseWheel=function(t){var e=this;if(this.config.mousewheel){if(this.config.mousewheelCtrlKey&&!this.state.ctrlKeyDown)return this.psv.overlay.show({id:_.CTRL_ZOOM,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="10 17 79 79"><path fill="currentColor" d="M38.1 29.27c-.24 0-.44.2-.44.45v10.7a.45.45 0 00.9 0v-10.7c0-.25-.2-.45-.45-.45zm10.2 26.66a11.54 11.54 0 01-8.48-6.14.45.45 0 10-.8.41 12.45 12.45 0 009.22 6.62.45.45 0 00.07-.9zm24.55-13.08a23.04 23.04 0 00-22.56-23v7.07l-.01.05a2.83 2.83 0 012.39 2.78v14.03l.09-.02h8.84v-9.22a.45.45 0 11.9 0v9.22h10.35v-.9zm0 27.33V44.66H62.5c-.02 2.01-.52 4-1.47 5.76a.45.45 0 01-.61.18.45.45 0 01-.19-.61 11.54 11.54 0 001.36-5.33h-8.83l-.1-.01a2.83 2.83 0 01-2.83 2.84h-.04-.04a2.83 2.83 0 01-2.83-2.83v-14.9a2.82 2.82 0 012.47-2.8v-7.11a23.04 23.04 0 00-22.57 23v.91h14.72V29.88a8.2 8.2 0 015.02-7.57c.22-.1.5.01.59.24.1.23-.01.5-.24.6a7.3 7.3 0 00-4.47 6.73v13.88h3.9a.45.45 0 110 .9h-3.9v.15a7.32 7.32 0 0011.23 6.17.45.45 0 01.49.76 8.22 8.22 0 01-12.62-6.93v-.15H26.82v25.52a23.04 23.04 0 0023.01 23.01 23.04 23.04 0 0023.02-23.01zm1.8-27.33v27.33A24.85 24.85 0 0149.84 95a24.85 24.85 0 01-24.82-24.82V42.85a24.85 24.85 0 0124.82-24.82 24.85 24.85 0 0124.83 24.82zM57.98 29.88v9.36a.45.45 0 11-.9 0v-9.36a7.28 7.28 0 00-3.4-6.17.45.45 0 01.49-.76 8.18 8.18 0 013.8 6.93z"/>\x3c!-- Created by Icon Island from the Noun Project --\x3e</svg>\n',text:this.config.lang.ctrlZoom}),clearTimeout(this.state.ctrlZoomTimeout),void(this.state.ctrlZoomTimeout=setTimeout((function(){return e.psv.overlay.hide(_.CTRL_ZOOM)}),2e3));t.preventDefault(),t.stopPropagation();var o=5*k(t).spinY*this.config.zoomSpeed;0!==o&&this.psv.dynamics.zoom.step(-o,5)}},i.__fullscreenToggled=function(t){this.prop.fullscreen=void 0!==t?t:A(this.psv.container),this.config.keyboard&&(this.prop.fullscreen?this.psv.startKeyboardControl():this.psv.stopKeyboardControl()),this.psv.trigger(f.FULLSCREEN_UPDATED,this.prop.fullscreen)},i.__startMove=function(t){var e=this;this.psv.__stopAll().then((function(){e.state.mouseX=t.clientX,e.state.mouseY=t.clientY,e.state.startMouseX=e.state.mouseX,e.state.startMouseY=e.state.mouseY,e.state.moving=!0,e.state.zooming=!1,e.state.mouseHistory.length=0,e.__logMouseMove(t)}))},i.__startMoveZoom=function(t){var e=this;this.psv.__stopAll().then((function(){var o={x:t.touches[0].clientX,y:t.touches[0].clientY},i={x:t.touches[1].clientX,y:t.touches[1].clientY};e.state.pinchDist=N(o,i),e.state.mouseX=(o.x+i.x)/2,e.state.mouseY=(o.y+i.y)/2,e.state.startMouseX=e.state.mouseX,e.state.startMouseY=e.state.mouseY,e.state.moving=!0,e.state.zooming=!0}))},i.__stopMove=function(t){if(this.psv.resetIdleTimer(),!C(t.target,".psv-container"))return this.state.moving=!1,void(this.state.mouseHistory.length=0);this.state.moving&&(Math.abs(t.clientX-this.state.startMouseX)<this.state.moveThreshold&&Math.abs(t.clientY-this.state.startMouseY)<this.state.moveThreshold?(this.__click(t),this.state.moving=!1):this.config.moveInertia?(this.__logMouseMove(t),this.__stopMoveInertia(t)):this.state.moving=!1,this.state.mouseHistory.length=0)},i.__stopMoveZoom=function(){this.psv.resetIdleTimer(),this.state.mouseHistory.length=0,this.state.moving=!1,this.state.zooming=!1},i.__stopMoveInertia=function(t){var o=this,i=new e.SplineCurve(this.state.mouseHistory.map((function(t){var o=t[1],i=t[2];return new e.Vector2(o,i)}))).getTangent(1),n=this.state.mouseHistory.slice(1).reduce((function(t,e){var o=t.total,i=t.prev;return{total:o+Math.sqrt(Math.pow(e[1]-i[1],2)+Math.pow(e[2]-i[2],2))/(e[0]-[i[0]]),prev:e}}),{total:0,prev:this.state.mouseHistory[0]}).total/this.state.mouseHistory.length,r={clientX:t.clientX,clientY:t.clientY};this.prop.animationPromise=new pt({properties:{speed:{start:n,end:0}},duration:1e3,easing:"outQuad",onTick:function(t){r.clientX+=t.speed*i.x*3*b.pixelRatio,r.clientY+=t.speed*i.y*3*b.pixelRatio,o.__move(r,!1)}}),this.prop.animationPromise.then((function(){o.state.moving=!1}))},i.__click=function(t,e){var o=this;void 0===e&&(e=!1);var i=this.psv.container.getBoundingClientRect(),n={rightclick:e||2===t.button,target:t.target,clientX:t.clientX,clientY:t.clientY,viewerX:t.clientX-i.left,viewerY:t.clientY-i.top},r=this.psv.dataHelper.getIntersections({x:n.viewerX,y:n.viewerY}),s=r.find((function(t){return t.object.userData.psvSphere}));if(s){var a=this.psv.dataHelper.vector3ToSphericalCoords(s.point);n.longitude=a.longitude,n.latitude=a.latitude,n.objects=r.map((function(t){return t.object})).filter((function(t){return!t.userData.psvSphere}));try{var c=this.psv.dataHelper.sphericalCoordsToTextureCoords(n);n.textureX=c.x,n.textureY=c.y}catch(t){n.textureX=NaN,n.textureY=NaN}this.state.dblclickTimeout?(Math.abs(this.state.dblclickData.clientX-n.clientX)<this.state.moveThreshold&&Math.abs(this.state.dblclickData.clientY-n.clientY)<this.state.moveThreshold&&this.psv.trigger(f.DOUBLE_CLICK,this.state.dblclickData),clearTimeout(this.state.dblclickTimeout),this.state.dblclickTimeout=null,this.state.dblclickData=null):(this.psv.trigger(f.CLICK,n),this.state.dblclickData=Y(n),this.state.dblclickTimeout=setTimeout((function(){o.state.dblclickTimeout=null,o.state.dblclickData=null}),300))}},i.__move=function(t,o){if(this.state.moving){var i=t.clientX,n=t.clientY,r={longitude:(i-this.state.mouseX)/this.prop.size.width*this.config.moveSpeed*e.MathUtils.degToRad(this.prop.hFov),latitude:(n-this.state.mouseY)/this.prop.size.height*this.config.moveSpeed*e.MathUtils.degToRad(this.prop.vFov)},s=this.psv.getPosition();this.psv.rotate({longitude:s.longitude-r.longitude,latitude:s.latitude+r.latitude}),this.state.mouseX=i,this.state.mouseY=n,!1!==o&&this.__logMouseMove(t)}},i.__moveAbsolute=function(t){if(this.state.moving){var e=this.psv.container.getBoundingClientRect();this.psv.dynamics.position.goto({longitude:((t.clientX-e.left)/e.width-.5)*Math.PI*2,latitude:-((t.clientY-e.top)/e.height-.5)*Math.PI},10)}},i.__moveZoom=function(t){if(this.state.zooming&&this.state.moving){var e={x:t.touches[0].clientX,y:t.touches[0].clientY},o={x:t.touches[1].clientX,y:t.touches[1].clientY},i=N(e,o),n=80*(i-this.state.pinchDist)/this.prop.size.width*this.config.zoomSpeed;this.psv.zoom(this.psv.getZoomLevel()+n),this.__move({clientX:(e.x+o.x)/2,clientY:(e.y+o.y)/2}),this.state.pinchDist=i}},i.__logMouseMove=function(t){var e=Date.now(),o=this.state.mouseHistory.length?this.state.mouseHistory[this.state.mouseHistory.length-1]:[0,-1,-1];o[1]===t.clientX&&o[2]===t.clientY?o[0]=e:e===o[0]?(o[1]=t.clientX,o[2]=t.clientY):this.state.mouseHistory.push([e,t.clientX,t.clientY]);for(var i=null,n=0;n<this.state.mouseHistory.length;)this.state.mouseHistory[n][0]<e-300?this.state.mouseHistory.splice(n,1):i&&this.state.mouseHistory[n][0]-i>30?(this.state.mouseHistory.splice(0,n),n=0,i=this.state.mouseHistory[n][0]):(i=this.state.mouseHistory[n][0],n++)},o}($t),ne=function(t){function o(o){var i,n;return(n=t.call(this,o)||this).renderer=new e.WebGLRenderer({alpha:!0,antialias:!0}),n.renderer.setPixelRatio(b.pixelRatio),n.renderer.domElement.className="psv-canvas",n.scene=new e.Scene,n.camera=new e.PerspectiveCamera(50,16/9,1,20),n.mesh=n.psv.adapter.createMesh(),n.mesh.userData=((i={}).psvSphere=!0,i),n.meshContainer=new e.Group,n.meshContainer.add(n.mesh),n.scene.add(n.meshContainer),n.raycaster=new e.Raycaster,n.timestamp=null,n.ready=!1,n.canvasContainer=document.createElement("div"),n.canvasContainer.className="psv-canvas-container",n.canvasContainer.style.background=n.psv.config.canvasBackground,n.canvasContainer.style.cursor=n.psv.config.mousemove?"move":"default",n.canvasContainer.appendChild(n.renderer.domElement),n.psv.container.appendChild(n.canvasContainer),o.on(f.SIZE_UPDATED,l(n)),o.on(f.ZOOM_UPDATED,l(n)),o.on(f.POSITION_UPDATED,l(n)),o.on(f.CONFIG_CHANGED,l(n)),n.hide(),n}c(o,t);var i=o.prototype;return i.destroy=function(){this.renderer.setAnimationLoop(null),this.__cleanTHREEScene(this.scene),this.psv.container.removeChild(this.canvasContainer),delete this.canvasContainer,delete this.renderer,delete this.scene,delete this.camera,delete this.mesh,delete this.meshContainer,delete this.raycaster,t.prototype.destroy.call(this)},i.handleEvent=function(t){switch(t.type){case f.SIZE_UPDATED:this.__onSizeUpdated();break;case f.ZOOM_UPDATED:this.__onZoomUpdated();break;case f.POSITION_UPDATED:this.__onPositionUpdated();break;case f.CONFIG_CHANGED:t.args[0].includes("fisheye")&&this.__onPositionUpdated(),t.args[0].includes("mousemove")&&(this.canvasContainer.style.cursor=this.psv.config.mousemove?"move":"default")}},i.hide=function(){this.canvasContainer.style.opacity=0},i.show=function(){this.canvasContainer.style.opacity=1},i.__onSizeUpdated=function(){this.renderer.setSize(this.prop.size.width,this.prop.size.height),this.camera.aspect=this.prop.aspect,this.camera.updateProjectionMatrix(),this.prop.needsUpdate=!0},i.__onZoomUpdated=function(){this.camera.fov=this.prop.vFov,this.camera.updateProjectionMatrix(),this.prop.needsUpdate=!0},i.__onPositionUpdated=function(){this.camera.position.set(0,0,0),this.camera.lookAt(this.prop.direction),this.config.fisheye&&this.camera.position.copy(this.prop.direction).multiplyScalar(this.config.fisheye/2).negate(),this.prop.needsUpdate=!0},i.__renderLoop=function(t){var e=null!==this.timestamp?t-this.timestamp:0;this.timestamp=t,this.psv.trigger(f.BEFORE_RENDER,t,e),Z(this.psv.dynamics,(function(t){return t.update(e)})),this.prop.idleTime>0&&t-this.prop.idleTime>this.config.autorotateDelay&&this.psv.startAutorotate(),this.prop.needsUpdate&&(this.render(),this.prop.needsUpdate=!1)},i.render=function(){this.renderer.render(this.scene,this.camera),this.psv.trigger(f.RENDER)},i.setTexture=function(t){var e=this;this.prop.panoData=t.panoData,this.psv.adapter.setTexture(this.mesh,t),this.ready||(this.renderer.setAnimationLoop((function(t){return e.__renderLoop(t)})),this.ready=!0),this.psv.needsUpdate(),this.psv.trigger(f.PANORAMA_LOADED,t)},i.setOverlay=function(t,e){this.psv.adapter.setOverlay(this.mesh,t,e),this.psv.needsUpdate()},i.setPanoramaPose=function(t,e){void 0===e&&(e=this.mesh);var o=this.psv.dataHelper.cleanPanoramaPose(t);e.rotation.set(-o.tilt,-o.pan,-o.roll,"ZXY")},i.setSphereCorrection=function(t,e){void 0===e&&(e=this.meshContainer);var o=this.psv.dataHelper.cleanSphereCorrection(t);e.rotation.set(o.tilt,o.pan,o.roll,"ZXY")},i.transition=function(t,o){var i=this,n=J(o),r="zoom"in o,s=new e.Group,a=this.psv.adapter.createMesh(.5);if(this.psv.adapter.setTexture(a,t,!0),this.psv.adapter.setTextureOpacity(a,0),this.setPanoramaPose(t.panoData,a),this.setSphereCorrection(o.sphereCorrection,s),n){var c=this.psv.dataHelper.cleanPosition(o),h=this.psv.getPosition(),l=new e.Vector3(0,1,0);s.rotateOnWorldAxis(l,c.longitude-h.longitude);var p=new e.Vector3(0,1,0).cross(this.camera.getWorldDirection(new e.Vector3)).normalize();s.rotateOnWorldAxis(p,c.latitude-h.latitude)}s.add(a),this.scene.add(s);var u=new pt({properties:{opacity:{start:0,end:1},zoom:r?{start:this.psv.getZoomLevel(),end:o.zoom}:void 0},duration:o.transition,easing:"outCubic",onTick:function(t){i.psv.adapter.setTextureOpacity(a,t.opacity),i.psv.adapter.setTextureOpacity(i.mesh,1-t.opacity),r&&i.psv.zoom(t.zoom),i.psv.needsUpdate()}});return u.then((function(e){e?(i.setTexture(t),i.psv.adapter.setTextureOpacity(i.mesh,1),i.setPanoramaPose(t.panoData),i.setSphereCorrection(o.sphereCorrection),n&&i.psv.rotate(o)):i.psv.adapter.disposeTexture(t),i.scene.remove(s),a.geometry.dispose(),a.geometry=null})),u},i.__cleanTHREEScene=function(t){var o=this;t.traverse((function(i){i.geometry&&i.geometry.dispose(),i.material&&(Array.isArray(i.material)?i.material.forEach((function(t){t.map&&t.map.dispose(),t.dispose()})):(i.material.map&&i.material.map.dispose(),i.material.dispose())),!i.dispose||i instanceof e.Scene||i.dispose(),i!==t&&o.__cleanTHREEScene(i)}))},o}($t),re=function(t){function o(o){var i;return(i=t.call(this,o)||this).loader=new e.FileLoader,i.loader.setResponseType("blob"),i.config.withCredentials&&i.loader.setWithCredentials(!0),i.config.requestHeaders&&"object"==typeof i.config.requestHeaders&&i.loader.setRequestHeader(i.config.requestHeaders),i}c(o,t);var i=o.prototype;return i.destroy=function(){this.abortLoading(),t.prototype.destroy.call(this)},i.loadTexture=function(t,e){return this.psv.adapter.loadTexture(t,e)},i.abortLoading=function(){},i.loadFile=function(t,e){var o=this;return this.config.requestHeaders&&"function"==typeof this.config.requestHeaders&&this.loader.setRequestHeader(this.config.requestHeaders(t)),new Promise((function(i,n){var r=0;e&&e(r),o.loader.load(t,(function(t){r=100,e&&e(r),i(t)}),(function(t){if(t.lengthComputable){var o=t.loaded/t.total*100;o>r&&(r=o,e&&e(r))}}),(function(t){n(t)}))}))},i.loadImage=function(t,e){return this.loadFile(t,e).then((function(t){return new Promise((function(e,o){var i=document.createElementNS("http://www.w3.org/1999/xhtml","img");i.onload=function(){URL.revokeObjectURL(i.src),e(i)},i.onerror=o,i.src=URL.createObjectURL(t)}))}))},i.preloadPanorama=function(t){return this.psv.adapter.supportsPreload(t)?this.psv.adapter.loadTexture(t):Promise.resolve()},o}($t),se=0,ae=1,ce=2,he=3,le=function(t){function e(e,o){var i;return(i=t.call(this,e,"psv-tooltip")||this).prop=a({},i.prop,o,{state:se,width:0,height:0,pos:"",config:null,data:null}),i.content=document.createElement("div"),i.content.className="psv-tooltip-content",i.container.appendChild(i.content),i.arrow=document.createElement("div"),i.arrow.className="psv-tooltip-arrow",i.container.appendChild(i.arrow),i.container.addEventListener("transitionend",l(i)),i.container.style.top="-1000px",i.container.style.left="-1000px",i}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.arrow,delete this.content,t.prototype.destroy.call(this)},o.handleEvent=function(t){if("transitionend"===t.type)this.__onTransitionEnd(t)},o.toggle=function(){throw new i("Tooltip cannot be toggled")},o.show=function(t){if(this.prop.state!==se)throw new i("Initialized tooltip cannot be re-initialized");t.className&&x(this.container,t.className),this.content.innerHTML=t.content;var e=this.container.getBoundingClientRect();this.prop.width=e.right-e.left,this.prop.height=e.bottom-e.top,this.prop.state=he,this.move(t),this.prop.data=t.data,this.prop.state=ae,this.psv.trigger(f.SHOW_TOOLTIP,this.prop.data,this),this.__waitImages()},o.move=function(t){if(this.prop.state!==ae&&this.prop.state!==he)throw new i("Uninitialized tooltip cannot be moved");this.config=t;var e=this.container,o=this.arrow,n={posClass:t.position?rt(t.position,!1):["top","center"],width:this.prop.width,height:this.prop.height,top:0,left:0,arrowTop:0,arrowLeft:0};this.__computeTooltipPosition(n,t);var r=!1;n.top<this.prop.offset?(n.posClass[0]="bottom",r=!0):n.top+n.height>this.psv.prop.size.height-this.prop.offset&&(n.posClass[0]="top",r=!0),n.left<this.prop.offset?(n.posClass[1]="right",r=!0):n.left+n.width>this.psv.prop.size.width-this.prop.offset&&(n.posClass[1]="left",r=!0),r&&this.__computeTooltipPosition(n,t),e.style.top=n.top+"px",e.style.left=n.left+"px",o.style.top=n.arrowTop+"px",o.style.left=n.arrowLeft+"px";var s=n.posClass.join("-");s!==this.prop.pos&&(e.classList.remove("psv-tooltip--"+this.prop.pos),this.prop.pos=s,e.classList.add("psv-tooltip--"+this.prop.pos))},o.hide=function(){this.container.classList.remove("psv-tooltip--visible"),this.prop.state=ce,this.psv.trigger(f.HIDE_TOOLTIP,this.prop.data)},o.__onTransitionEnd=function(t){if("transform"===t.propertyName)switch(this.prop.state){case ae:this.container.classList.add("psv-tooltip--visible"),this.prop.state=he;break;case ce:this.prop.state=se,this.destroy()}},o.__computeTooltipPosition=function(t,e){var o=!1;switch(e.box||(e.box={width:0,height:0}),t.posClass[0]){case"bottom":t.top=e.top+e.box.height+this.prop.offset+this.prop.arrow,t.arrowTop=2*-this.prop.arrow,o=!0;break;case"center":t.top=e.top+e.box.height/2-t.height/2,t.arrowTop=t.height/2-this.prop.arrow;break;case"top":t.top=e.top-t.height-this.prop.offset-this.prop.arrow,t.arrowTop=t.height,o=!0}switch(t.posClass[1]){case"right":o?(t.left=e.left+e.box.width/2-this.prop.offset-this.prop.arrow,t.arrowLeft=this.prop.offset):(t.left=e.left+e.box.width+this.prop.offset+this.prop.arrow,t.arrowLeft=2*-this.prop.arrow);break;case"center":t.left=e.left+e.box.width/2-t.width/2,t.arrowLeft=t.width/2-this.prop.arrow;break;case"left":o?(t.left=e.left-t.width+e.box.width/2+this.prop.offset+this.prop.arrow,t.arrowLeft=t.width-this.prop.offset-2*this.prop.arrow):(t.left=e.left-t.width-this.prop.offset-this.prop.arrow,t.arrowLeft=t.width)}},o.__waitImages=function(){var t=this,e=this.content.querySelectorAll("img");if(e.length>0){var o=[];e.forEach((function(t){o.push(new Promise((function(e){t.onload=e,t.onerror=e})))})),Promise.all(o).then((function(){if(t.prop.state===ae||t.prop.state===he){var e=t.container.getBoundingClientRect();t.prop.width=e.right-e.left,t.prop.height=e.bottom-e.top,t.move(t.config)}}))}},e}(gt),pe=function(t){function e(e){var o;o=t.call(this,e)||this;var i=new le(o.psv);return o.size={arrow:parseInt(R(i.arrow,"borderTopWidth"),10),offset:parseInt(R(i.container,"outlineWidth"),10)},i.destroy(),o}c(e,t);var o=e.prototype;return o.destroy=function(){delete this.size,t.prototype.destroy.call(this)},o.create=function(t){var e=new le(this.psv,this.size);return e.show(t),e},e}($t);e.Cache.enabled=!0;var ue=function(t){function o(o){var n;if(n=t.call(this)||this,b.load(),!b.isWebGLSupported)throw new i("WebGL is not supported.");if(0===b.maxTextureWidth)throw new i("Unable to detect system capabilities");return n.prop={ready:!1,uiRefresh:!1,needsUpdate:!1,fullscreen:!1,direction:new e.Vector3(0,0,p),vFov:null,hFov:null,aspect:null,autorotateEnabled:!1,animationPromise:null,loadingPromise:null,littlePlanet:!1,idleTime:-1,objectsObservers:{},size:{width:0,height:0},panoData:{fullWidth:0,fullHeight:0,croppedWidth:0,croppedHeight:0,croppedX:0,croppedY:0,poseHeading:0,posePitch:0,poseRoll:0}},n.config=function(t){var e=Y(zt);W(e,t);var o={};return Z(e,(function(t,n){if(Vt[n])$(Vt[n]);else{if(!Object.prototype.hasOwnProperty.call(zt,n))throw new i("Unknown option "+n);Wt[n]?o[n]=Wt[n](t,e):o[n]=t}})),o}(o),n.parent="string"==typeof o.container?document.getElementById(o.container):o.container,n.parent[u]=l(n),n.container=document.createElement("div"),n.container.classList.add("psv-container"),n.parent.appendChild(n.container),n.adapter=new n.config.adapter[0](l(n),n.config.adapter[1]),n.children=[],n.plugins={},n.renderer=new ne(l(n)),n.textureLoader=new re(l(n)),n.eventsHandler=new ie(l(n)),n.dataHelper=new oe(l(n)),n.loader=new Gt(l(n)),n.navbar=new Bt(l(n)),n.panel=new Qt(l(n)),n.tooltip=new pe(l(n)),n.notification=new qt(l(n)),n.overlay=new Kt(l(n)),n.dynamics={zoom:new ut((function(t){n.prop.vFov=n.dataHelper.zoomLevelToFov(t),n.prop.hFov=n.dataHelper.vFovToHFov(n.prop.vFov),n.trigger(f.ZOOM_UPDATED,t)}),n.config.defaultZoomLvl,0,100),position:new dt({longitude:new ut(null,n.config.defaultLong,0,2*Math.PI,!0),latitude:n.prop.littlePlanet?new ut(null,n.config.defaultLat,0,2*Math.PI,!0):new ut(null,n.config.defaultLat,-Math.PI/2,Math.PI/2)},(function(t){n.dataHelper.sphericalCoordsToVector3(t,n.prop.direction),n.trigger(f.POSITION_UPDATED,t)}))},n.__updateSpeeds(),n.eventsHandler.init(),n.__resizeRefresh=F((function(){return n.refreshUi("resize")}),500),n.resize(n.config.size),n.config.plugins.forEach((function(t){var e=t[0],o=t[1];n.plugins[e.id]=new e(l(n),o)})),Z(n.plugins,(function(t){return null==t.init?void 0:t.init()})),n.navbar.setButtons(n.config.navbar),n.config.panorama&&n.setPanorama(n.config.panorama),L(n.container,"psv--is-touch",b.isTouchEnabled.initial),b.isTouchEnabled.promise.then((function(t){return L(n.container,"psv--is-touch",t)})),n.once(f.RENDER,(function(){n.config.navbar&&(n.container.classList.add("psv--has-navbar"),n.navbar.show()),X(n.config.autorotateDelay)||(n.prop.idleTime=performance.now()),n.prop.ready=!0,setTimeout((function(){n.refreshUi("init"),n.trigger(f.READY)}),0)})),n}c(o,t);var n=o.prototype;return n.destroy=function(){this.__stopAll(),this.stopKeyboardControl(),this.exitFullscreen(),Z(this.plugins,(function(t){return t.destroy()})),delete this.plugins,this.children.slice().forEach((function(t){return t.destroy()})),this.children.length=0,this.eventsHandler.destroy(),this.renderer.destroy(),this.textureLoader.destroy(),this.dataHelper.destroy(),this.adapter.destroy(),this.parent.removeChild(this.container),delete this.parent[u],delete this.parent,delete this.container,delete this.loader,delete this.navbar,delete this.panel,delete this.tooltip,delete this.notification,delete this.overlay,delete this.dynamics,delete this.config},n.refreshUi=function(t){var e=this;this.prop.ready&&(this.prop.uiRefresh?"new"!==this.prop.uiRefresh&&(this.prop.uiRefresh="new",setTimeout((function(){e.prop.uiRefresh=!1,e.refreshUi(t)}))):(this.prop.uiRefresh=!0,this.children.every((function(t){return t.refreshUi(),!0===e.prop.uiRefresh})),this.prop.uiRefresh=!1))},n.getPlugin=function(t){if("string"==typeof t)return this.plugins[t];var e=q(t,Ht);return e?this.plugins[e.id]:void 0},n.getPosition=function(){return this.dataHelper.cleanPosition(this.dynamics.position.current)},n.getZoomLevel=function(){return this.dynamics.zoom.current},n.getSize=function(){return a({},this.prop.size)},n.isAutorotateEnabled=function(){return this.prop.autorotateEnabled},n.isFullscreenEnabled=function(){return b.fullscreenEvent?A(this.container):this.prop.fullscreen},n.needsUpdate=function(){this.prop.needsUpdate=!0},n.autoSize=function(){this.container.clientWidth===this.prop.size.width&&this.container.clientHeight===this.prop.size.height||(this.prop.size.width=Math.round(this.container.clientWidth),this.prop.size.height=Math.round(this.container.clientHeight),this.prop.aspect=this.prop.size.width/this.prop.size.height,this.prop.hFov=this.dataHelper.vFovToHFov(this.prop.vFov),this.trigger(f.SIZE_UPDATED,this.getSize()),this.__resizeRefresh())},n.setPanorama=function(t,e){var o,i=this;void 0===e&&(e={}),this.textureLoader.abortLoading(),null==(o=this.prop.transitionAnimation)||o.cancel(),this.prop.ready||["sphereCorrection","panoData","overlay","overlayOpacity"].forEach((function(t){t in e||(e[t]=i.config[t])})),void 0!==e.transition&&!0!==e.transition||(e.transition=1500),void 0===e.showLoader&&(e.showLoader=!0),void 0===e.caption&&(e.caption=this.config.caption),void 0===e.description&&(e.description=this.config.description),e.panoData||"function"!=typeof this.config.panoData||(e.panoData=this.config.panoData);var n=J(e),r="zoom"in e;(n||r)&&this.__stopAll(),this.hideError(),this.config.panorama=t,this.config.caption=e.caption,this.config.description=e.description;var s=function(t){if(i.loader.hide(),i.prop.loadingPromise=null,Q(t))return!1;if(t)throw i.navbar.setCaption(""),i.showError(i.config.lang.loadError),console.error(t),t;return i.resetIdleTimer(),i.setOverlay(e.overlay,e.overlayOpacity),i.navbar.setCaption(i.config.caption),!0};this.navbar.setCaption("<em>"+(this.config.loadingTxt||"")+"</em>"),!e.showLoader&&this.prop.ready||this.loader.show();var a=this.adapter.loadTexture(this.config.panorama,e.panoData).then((function(t){if(t.panorama!==i.config.panorama)throw i.adapter.disposeTexture(t),K();return t}));return e.transition&&this.prop.ready&&this.adapter.supportsTransition(this.config.panorama)?this.prop.loadingPromise=a.then((function(t){return i.loader.hide(),i.prop.transitionAnimation=i.renderer.transition(t,e),i.prop.transitionAnimation})).then((function(t){if(i.prop.transitionAnimation=null,!t)throw K()})).then(s,s):this.prop.loadingPromise=a.then((function(t){i.renderer.show(),i.renderer.setTexture(t),i.renderer.setPanoramaPose(t.panoData),i.renderer.setSphereCorrection(e.sphereCorrection),r&&i.zoom(e.zoom),n&&i.rotate(e)})).then(s,s),this.prop.loadingPromise},n.setOverlay=function(t,e){var o=this;return void 0===e&&(e=1),this.adapter.constructor.supportsOverlay?t?this.adapter.loadTexture(t,(function(t){var e=o.prop.panoData,i=t.width/e.croppedWidth;return{fullWidth:i*e.fullWidth,fullHeight:i*e.fullHeight,croppedWidth:i*e.croppedWidth,croppedHeight:i*e.croppedHeight,croppedX:i*e.croppedX,croppedY:i*e.croppedY}}),!1).then((function(t){o.renderer.setOverlay(t,e)})):(this.renderer.setOverlay(null,0),Promise.resolve()):Promise.reject(new i(this.adapter.constructor.id+" adapter does not supports overlay"))},n.setOptions=function(t){var e=this,o=a({},this.config,t);Z(t,(function(t,n){if(Vt[n])$(Vt[n]);else{if(!Object.prototype.hasOwnProperty.call(zt,n))throw new i("Unknown option "+n);if(Ft[n])throw new i(Ft[n]);switch(Wt[n]?e.config[n]=Wt[n](t,o):e.config[n]=t,n){case"overlay":case"overlayOpacity":e.setOverlay(e.config.overlay,e.config.overlayOpacity);break;case"caption":case"description":e.navbar.setCaption(e.config.caption);break;case"size":e.resize(t);break;case"sphereCorrection":e.renderer.setSphereCorrection(t);break;case"navbar":case"lang":e.navbar.setButtons(e.config.navbar);break;case"moveSpeed":case"zoomSpeed":e.__updateSpeeds();break;case"minFov":case"maxFov":e.dynamics.zoom.setValue(e.dataHelper.fovToZoomLevel(e.prop.vFov)),e.trigger(f.ZOOM_UPDATED,e.getZoomLevel());break;case"canvasBackground":e.renderer.canvasContainer.style.background=e.config.canvasBackground;break;case"autorotateIdle":e.resetIdleTimer()}}})),this.needsUpdate(),this.refreshUi("set options"),this.trigger(f.CONFIG_CHANGED,Object.keys(t))},n.setOption=function(t,e){var o;this.setOptions(((o={})[t]=e,o))},n.resetIdleTimer=function(){this.prop.idleTime=this.config.autorotateIdle?performance.now():-1},n.disableIdleTimer=function(){this.prop.idleTime=-1},n.startAutorotate=function(t){void 0===t&&(t=!1),t&&!this.isAutorotateEnabled()||!t&&this.isAutorotateEnabled()||(t||this.__stopAll(),this.dynamics.position.roll({longitude:this.config.autorotateSpeed<0},Math.abs(this.config.autorotateSpeed/this.config.moveSpeed)),this.dynamics.position.goto({latitude:this.config.autorotateLat},Math.abs(this.config.autorotateSpeed/this.config.moveSpeed)),this.prop.autorotateEnabled=!0,t||this.trigger(f.AUTOROTATE,!0))},n.stopAutorotate=function(){this.isAutorotateEnabled()&&(this.dynamics.position.stop(),this.prop.autorotateEnabled=!1,this.trigger(f.AUTOROTATE,!1))},n.toggleAutorotate=function(){this.isAutorotateEnabled()?this.stopAutorotate():this.startAutorotate()},n.showError=function(t){this.overlay.show({id:_.ERROR,image:'<svg xmlns="http://www.w3.org/2000/svg" viewBox="15 15 70 70"><path fill="currentColor" d="M50,16.2c-18.6,0-33.8,15.1-33.8,33.8S31.4,83.7,50,83.7S83.8,68.6,83.8,50S68.6,16.2,50,16.2z M50,80.2c-16.7,0-30.2-13.6-30.2-30.2S33.3,19.7,50,19.7S80.3,33.3,80.3,50S66.7,80.2,50,80.2z"/><rect fill="currentColor" x="48" y="31.7" width="4" height="28"/><rect fill="currentColor" x="48" y="63.2" width="4" height="5"/>\x3c!--Created by Shastry from the Noun Project--\x3e</svg>\n',text:t,dissmisable:!1})},n.hideError=function(){this.overlay.hide(_.ERROR)},n.rotate=function(t){if(!this.trigger(f.BEFORE_ROTATE,t).isDefaultPrevented()){var e=this.change(m.GET_ROTATE_POSITION,this.dataHelper.cleanPosition(t));this.dynamics.position.setValue(e)}},n.animate=function(t){var e=this;this.__stopAll();var o,i=J(t),n="zoom"in t,r={};if(i){var s=this.change(m.GET_ANIMATE_POSITION,this.dataHelper.cleanPosition(t)),a=this.getPosition(),c=U(a.longitude,s.longitude);r.longitude={start:a.longitude,end:a.longitude+c},r.latitude={start:a.latitude,end:s.latitude},o=this.dataHelper.speedToDuration(t.speed,H(a,s))}if(n){var h=Math.abs(t.zoom-this.getZoomLevel());r.zoom={start:this.getZoomLevel(),end:t.zoom},o||(o=this.dataHelper.speedToDuration(t.speed,Math.PI/4*h/100))}return o?(this.prop.animationPromise=new pt({properties:r,duration:o,easing:"inOutSine",onTick:function(t){i&&e.rotate(t),n&&e.zoom(t.zoom)}}),this.prop.animationPromise.then((function(){e.prop.animationPromise=null,e.resetIdleTimer()})),this.prop.animationPromise):(i&&this.rotate(t),n&&this.zoom(t.zoom),new pt)},n.stopAnimation=function(){var t=this;return this.prop.animationPromise?new Promise((function(e){t.prop.animationPromise.then(e),t.prop.animationPromise.cancel(),t.prop.animationPromise=null})):Promise.resolve()},n.zoom=function(t){this.dynamics.zoom.setValue(t)},n.zoomIn=function(t){void 0===t&&(t=1),this.dynamics.zoom.step(t)},n.zoomOut=function(t){void 0===t&&(t=1),this.dynamics.zoom.step(-t)},n.resize=function(t){var e=this;["width","height"].forEach((function(o){t&&t[o]&&(/^[0-9.]+$/.test(t[o])&&(t[o]+="px"),e.parent.style[o]=t[o])})),this.autoSize()},n.enterFullscreen=function(){b.fullscreenEvent?I(this.container):(this.container.classList.add("psv-container--fullscreen"),this.autoSize(),this.eventsHandler.__fullscreenToggled(!0))},n.exitFullscreen=function(){this.isFullscreenEnabled()&&(b.fullscreenEvent?S():(this.container.classList.remove("psv-container--fullscreen"),this.autoSize(),this.eventsHandler.__fullscreenToggled(!1)))},n.toggleFullscreen=function(){this.isFullscreenEnabled()?this.exitFullscreen():this.enterFullscreen()},n.startKeyboardControl=function(){this.eventsHandler.enableKeyboard()},n.stopKeyboardControl=function(){this.eventsHandler.disableKeyboard()},n.observeObjects=function(t,e){var o=this;return this.prop.objectsObservers[t]={listener:e},function(){delete o.prop.objectsObservers[t]}},n.__stopAll=function(){return this.trigger(f.STOP_ALL),this.disableIdleTimer(),this.stopAutorotate(),this.stopAnimation()},n.__updateSpeeds=function(){this.dynamics.zoom.setSpeed(50*this.config.zoomSpeed),this.dynamics.position.setSpeed(e.MathUtils.degToRad(50*this.config.moveSpeed))},o}(o.EventEmitter);t.AbstractAdapter=n,t.AbstractButton=_t,t.AbstractComponent=gt,t.AbstractPlugin=Ht,t.Animation=pt,t.CONSTANTS=E,t.DEFAULTS=zt,t.EquirectangularAdapter=mt,t.PSVError=i,t.SYSTEM=b,t.Viewer=ue,t.registerButton=Xt,t.utils=ft,Object.defineProperty(t,"__esModule",{value:!0})}));
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