@google/model-viewer/dist/model-viewer-umd.min.js

Easily display interactive 3D models on the web and in AR!

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/**
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       * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
       * This code may only be used under the BSD style license found at
       * http://polymer.github.io/LICENSE.txt
       * The complete set of authors may be found at
       * http://polymer.github.io/AUTHORS.txt
       * The complete set of contributors may be found at
       * http://polymer.github.io/CONTRIBUTORS.txt
       * Code distributed by Google as part of the polymer project is also
       * subject to an additional IP rights grant found at
       * http://polymer.github.io/PATENTS.txt
       */
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       * The complete set of contributors may be found at
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       * Code distributed by Google as part of the polymer project is also
       * subject to an additional IP rights grant found at
       * http://polymer.github.io/PATENTS.txt
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       * This code may only be used under the BSD style license found at
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       * The complete set of authors may be found at
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       * The complete set of contributors may be found at
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       * The complete set of authors may be found at
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       * The complete set of contributors may be found at
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       * The complete set of authors may be found at
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       * The complete set of contributors may be found at
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/**
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       * This code may only be used under the BSD style license found at
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/**
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       * This code may only be used under the BSD style license found at
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       * The complete set of authors may be found at
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/**
       * @license
       * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
       * This code may only be used under the BSD style license found at
       * http://polymer.github.io/LICENSE.txt
       * The complete set of authors may be found at
       * http://polymer.github.io/AUTHORS.txt
       * The complete set of contributors may be found at
       * http://polymer.github.io/CONTRIBUTORS.txt
       * Code distributed by Google as part of the polymer project is also
       * subject to an additional IP rights grant found at
       * http://polymer.github.io/PATENTS.txt
       */
const K=(t,e)=>"method"===e.kind&&e.descriptor&&!("value"in e.descriptor)?Object.assign(Object.assign({},e),{finisher(n){n.createProperty(e.key,t)}}):{kind:"field",key:Symbol(),placement:"own",descriptor:{},initializer(){"function"==typeof e.initializer&&(this[e.key]=e.initializer.call(this))},finisher(n){n.createProperty(e.key,t)}};function $(t){return(e,n)=>void 0!==n?((t,e,n)=>{e.constructor.createProperty(n,t)})(t,e,n):K(t,e)}
/**
      @license
      Copyright (c) 2019 The Polymer Project Authors. All rights reserved.
      This code may only be used under the BSD style license found at
      http://polymer.github.io/LICENSE.txt The complete set of authors may be found at
      http://polymer.github.io/AUTHORS.txt The complete set of contributors may be
      found at http://polymer.github.io/CONTRIBUTORS.txt Code distributed by Google as
      part of the polymer project is also subject to an additional IP rights grant
      found at http://polymer.github.io/PATENTS.txt
      */const Q=window.ShadowRoot&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow)&&"adoptedStyleSheets"in Document.prototype&&"replace"in CSSStyleSheet.prototype,tt=Symbol();class et{constructor(t,e){if(e!==tt)throw new Error("CSSResult is not constructable. Use `unsafeCSS` or `css` instead.");this.cssText=t}get styleSheet(){return void 0===this._styleSheet&&(Q?(this._styleSheet=new CSSStyleSheet,this._styleSheet.replaceSync(this.cssText)):this._styleSheet=null),this._styleSheet}toString(){return this.cssText}}
/**
       * @license
       * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
       * This code may only be used under the BSD style license found at
       * http://polymer.github.io/LICENSE.txt
       * The complete set of authors may be found at
       * http://polymer.github.io/AUTHORS.txt
       * The complete set of contributors may be found at
       * http://polymer.github.io/CONTRIBUTORS.txt
       * Code distributed by Google as part of the polymer project is also
       * subject to an additional IP rights grant found at
       * http://polymer.github.io/PATENTS.txt
       */
(window.litElementVersions||(window.litElementVersions=[])).push("2.5.1");const nt={};class it extends Z{static getStyles(){return this.styles}static _getUniqueStyles(){if(this.hasOwnProperty(JSCompiler_renameProperty("_styles",this)))return;const t=this.getStyles();if(Array.isArray(t)){const e=(t,n)=>t.reduceRight(((t,n)=>Array.isArray(n)?e(n,t):(t.add(n),t)),n),n=e(t,new Set),i=[];n.forEach((t=>i.unshift(t))),this._styles=i}else this._styles=void 0===t?[]:[t];this._styles=this._styles.map((t=>{if(t instanceof CSSStyleSheet&&!Q){const e=Array.prototype.slice.call(t.cssRules).reduce(((t,e)=>t+e.cssText),"");return new et(String(e),tt)}return t}))}initialize(){super.initialize(),this.constructor._getUniqueStyles(),this.renderRoot=this.createRenderRoot(),window.ShadowRoot&&this.renderRoot instanceof window.ShadowRoot&&this.adoptStyles()}createRenderRoot(){return this.attachShadow(this.constructor.shadowRootOptions)}adoptStyles(){const t=this.constructor._styles;0!==t.length&&(void 0===window.ShadyCSS||window.ShadyCSS.nativeShadow?Q?this.renderRoot.adoptedStyleSheets=t.map((t=>t instanceof CSSStyleSheet?t:t.styleSheet)):this._needsShimAdoptedStyleSheets=!0:window.ShadyCSS.ScopingShim.prepareAdoptedCssText(t.map((t=>t.cssText)),this.localName))}connectedCallback(){super.connectedCallback(),this.hasUpdated&&void 0!==window.ShadyCSS&&window.ShadyCSS.styleElement(this)}update(t){const e=this.render();super.update(t),e!==nt&&this.constructor.render(e,this.renderRoot,{scopeName:this.localName,eventContext:this}),this._needsShimAdoptedStyleSheets&&(this._needsShimAdoptedStyleSheets=!1,this.constructor._styles.forEach((t=>{const e=document.createElement("style");e.textContent=t.cssText,this.renderRoot.appendChild(e)})))}render(){return nt}}it.finalized=!0,it.render=(t,e,i)=>{if(!i||"object"!=typeof i||!i.scopeName)throw new Error("The `scopeName` option is required.");const r=i.scopeName,s=F.has(e),a=H&&11===e.nodeType&&!!e.host,o=a&&!W.has(r),l=o?document.createDocumentFragment():e;if(U(t,l,Object.assign({templateFactory:V(r)},i)),o){const t=F.get(l);F.delete(l);const i=t.value instanceof x?t.value.template:void 0;j(r,l,i),n(e,e.firstChild),e.appendChild(l),F.set(e,t)}!s&&a&&window.ShadyCSS.styleElement(e.host)},it.shadowRootOptions={mode:"open"};
/**
       * @license
       * Copyright 2010-2022 Three.js Authors
       * SPDX-License-Identifier: MIT
       */
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c[0]=t,c[1]=i,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=n,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,n=t.elements;return e[0]=n[0],e[1]=n[1],e[2]=n[2],e[3]=n[3],e[4]=n[4],e[5]=n[5],e[6]=n[6],e[7]=n[7],e[8]=n[8],this}extractBasis(t,e,n){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),n.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 n=t.elements,i=e.elements,r=this.elements,s=n[0],a=n[3],o=n[6],l=n[1],c=n[4],h=n[7],u=n[2],d=n[5],p=n[8],m=i[0],f=i[3],g=i[6],v=i[1],y=i[4],x=i[7],_=i[2],b=i[5],w=i[8];return r[0]=s*m+a*v+o*_,r[3]=s*f+a*y+o*b,r[6]=s*g+a*x+o*w,r[1]=l*m+c*v+h*_,r[4]=l*f+c*y+h*b,r[7]=l*g+c*x+h*w,r[2]=u*m+d*v+p*_,r[5]=u*f+d*y+p*b,r[8]=u*g+d*x+p*w,this}multiplyScalar(t){const 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this.set(n*o,n*l,-n*(o*s+l*a)+s+t,-i*l,i*o,-i*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){const n=this.elements;return n[0]*=t,n[3]*=t,n[6]*=t,n[1]*=e,n[4]*=e,n[7]*=e,this}rotate(t){const e=Math.cos(t),n=Math.sin(t),i=this.elements,r=i[0],s=i[3],a=i[6],o=i[1],l=i[4],c=i[7];return i[0]=e*r+n*o,i[3]=e*s+n*l,i[6]=e*a+n*c,i[1]=-n*r+e*o,i[4]=-n*s+e*l,i[7]=-n*a+e*c,this}translate(t,e){const n=this.elements;return n[0]+=t*n[2],n[3]+=t*n[5],n[6]+=t*n[8],n[1]+=e*n[2],n[4]+=e*n[5],n[7]+=e*n[8],this}equals(t){const e=this.elements,n=t.elements;for(let t=0;t<9;t++)if(e[t]!==n[t])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}function ve(t){for(let e=t.length-1;e>=0;--e)if(t[e]>65535)return!0;return!1}function ye(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function xe(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function _e(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}ge.prototype.isMatrix3=!0;const be={[Jt]:{[Zt]:xe},[Zt]:{[Jt]:_e}},we={legacyMode:!0,get workingColorSpace(){return Zt},set workingColorSpace(t){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(t,e,n){if(this.legacyMode||e===n||!e||!n)return t;if(be[e]&&void 0!==be[e][n]){const i=be[e][n];return t.r=i(t.r),t.g=i(t.g),t.b=i(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)}},Me={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},Se={r:0,g:0,b:0},Te={h:0,s:0,l:0},Ee={h:0,s:0,l:0};function Ae(t,e,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?t+6*(e-t)*n:n<.5?e:n<2/3?t+6*(e-t)*(2/3-n):t}function Re(t,e){return e.r=t.r,e.g=t.g,e.b=t.b,e}class Ce{constructor(t,e,n){return void 0===e&&void 0===n?this.set(t):this.setRGB(t,e,n)}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,we.toWorkingColorSpace(this,e),this}setRGB(t,e,n,i="srgb-linear"){return this.r=t,this.g=e,this.b=n,we.toWorkingColorSpace(this,i),this}setHSL(t,e,n,i="srgb-linear"){if(t=ce(t,1),e=le(e,0,1),n=le(n,0,1),0===e)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+e):n+e-n*e,r=2*n-i;this.r=Ae(r,i,t+1/3),this.g=Ae(r,i,t),this.b=Ae(r,i,t-1/3)}return we.toWorkingColorSpace(this,i),this}setStyle(t,e="srgb"){function n(e){void 0!==e&&parseFloat(e)<1&&console.warn("THREE.Color: Alpha component of "+t+" 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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,we.toWorkingColorSpace(this,e),this;if(6===n)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,we.toWorkingColorSpace(this,e),this}return t&&t.length>0?this.setColorName(t,e):this}setColorName(t,e="srgb"){const n=Me[t.toLowerCase()];return void 0!==n?this.setHex(n,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=xe(t.r),this.g=xe(t.g),this.b=xe(t.b),this}copyLinearToSRGB(t){return this.r=_e(t.r),this.g=_e(t.g),this.b=_e(t.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(t="srgb"){return we.fromWorkingColorSpace(Re(this,Se),t),le(255*Se.r,0,255)<<16^le(255*Se.g,0,255)<<8^le(255*Se.b,0,255)<<0}getHexString(t="srgb"){return("000000"+this.getHex(t).toString(16)).slice(-6)}getHSL(t,e="srgb-linear"){we.fromWorkingColorSpace(Re(this,Se),e);const n=Se.r,i=Se.g,r=Se.b,s=Math.max(n,i,r),a=Math.min(n,i,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 n:o=(i-r)/t+(i<r?6:0);break;case i:o=(r-n)/t+2;break;case r:o=(n-i)/t+4}o/=6}return t.h=o,t.s=l,t.l=c,t}getRGB(t,e="srgb-linear"){return we.fromWorkingColorSpace(Re(this,Se),e),t.r=Se.r,t.g=Se.g,t.b=Se.b,t}getStyle(t="srgb"){return we.fromWorkingColorSpace(Re(this,Se),t),t!==Jt?`color(${t} ${Se.r} ${Se.g} ${Se.b})`:`rgb(${255*Se.r|0},${255*Se.g|0},${255*Se.b|0})`}offsetHSL(t,e,n){return this.getHSL(Te),Te.h+=t,Te.s+=e,Te.l+=n,this.setHSL(Te.h,Te.s,Te.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,n){return this.r=t.r+(e.r-t.r)*n,this.g=t.g+(e.g-t.g)*n,this.b=t.b+(e.b-t.b)*n,this}lerpHSL(t,e){this.getHSL(Te),t.getHSL(Ee);const n=he(Te.h,Ee.h,e),i=he(Te.s,Ee.s,e),r=he(Te.l,Ee.l,e);return this.setHSL(n,i,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),!0===t.normalized&&(this.r/=255,this.g/=255,this.b/=255),this}toJSON(){return this.getHex()}}let Le;Ce.NAMES=Me,Ce.prototype.isColor=!0,Ce.prototype.r=1,Ce.prototype.g=1,Ce.prototype.b=1;class Pe{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===Le&&(Le=ye("canvas")),Le.width=t.width,Le.height=t.height;const n=Le.getContext("2d");t instanceof ImageData?n.putImageData(t,0,0):n.drawImage(t,0,0,t.width,t.height),e=Le}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=ye("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*xe(r[t]/255);return n.putImageData(i,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*xe(e[t]/255)):e[t]=xe(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 De{constructor(t=null){this.uuid=oe(),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 n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(Ie(i[e].image)):t.push(Ie(i[e]))}else t=Ie(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function Ie(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=ty