UNPKG

meshkraft-viewer

Version:

Web viewer SDK for Meshkraft Platform

170 lines 999 kB
/** * @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 t="undefined"!=typeof window&&null!=window.customElements&&void 0!==window.customElements.polyfillWrapFlushCallback,e=(t,e,i=null)=>{for(;e!==i;){const i=e.nextSibling;t.removeChild(e),e=i}},i=`{{lit-${String(Math.random()).slice(2)}}}`,n=`\x3c!--${i}--\x3e`,r=new RegExp(`${i}|${n}`);class s{constructor(t,e){this.parts=[],this.element=e;const n=[],s=[],o=document.createTreeWalker(e.content,133,null,!1);let h=0,u=-1,d=0;const{strings:p,values:{length:A}}=t;for(;d<A;){const t=o.nextNode();if(null!==t){if(u++,1===t.nodeType){if(t.hasAttributes()){const e=t.attributes,{length:i}=e;let n=0;for(let t=0;t<i;t++)a(e[t].name,"$lit$")&&n++;for(;n-- >0;){const e=p[d],i=c.exec(e)[2],n=i.toLowerCase()+"$lit$",s=t.getAttribute(n);t.removeAttribute(n);const a=s.split(r);this.parts.push({type:"attribute",index:u,name:i,strings:a}),d+=a.length-1}}"TEMPLATE"===t.tagName&&(s.push(t),o.currentNode=t.content)}else if(3===t.nodeType){const e=t.data;if(e.indexOf(i)>=0){const i=t.parentNode,s=e.split(r),o=s.length-1;for(let e=0;e<o;e++){let n,r=s[e];if(""===r)n=l();else{const t=c.exec(r);null!==t&&a(t[2],"$lit$")&&(r=r.slice(0,t.index)+t[1]+t[2].slice(0,-"$lit$".length)+t[3]),n=document.createTextNode(r)}i.insertBefore(n,t),this.parts.push({type:"node",index:++u})}""===s[o]?(i.insertBefore(l(),t),n.push(t)):t.data=s[o],d+=o}}else if(8===t.nodeType)if(t.data===i){const e=t.parentNode;null!==t.previousSibling&&u!==h||(u++,e.insertBefore(l(),t)),h=u,this.parts.push({type:"node",index:u}),null===t.nextSibling?t.data="":(n.push(t),u--),d++}else{let e=-1;for(;-1!==(e=t.data.indexOf(i,e+1));)this.parts.push({type:"node",index:-1}),d++}}else o.currentNode=s.pop()}for(const t of n)t.parentNode.removeChild(t)}}const a=(t,e)=>{const i=t.length-e.length;return i>=0&&t.slice(i)===e},o=t=>-1!==t.index,l=()=>document.createComment(""),c=/([ \x09\x0a\x0c\x0d])([^\0-\x1F\x7F-\x9F "'>=/]+)([ \x09\x0a\x0c\x0d]*=[ \x09\x0a\x0c\x0d]*(?:[^ \x09\x0a\x0c\x0d"'`<>=]*|"[^"]*|'[^']*))$/;function h(t,e){const{element:{content:i},parts:n}=t,r=document.createTreeWalker(i,133,null,!1);let s=d(n),a=n[s],o=-1,l=0;const c=[];let h=null;for(;r.nextNode();){o++;const t=r.currentNode;for(t.previousSibling===h&&(h=null),e.has(t)&&(c.push(t),null===h&&(h=t)),null!==h&&l++;void 0!==a&&a.index===o;)a.index=null!==h?-1:a.index-l,s=d(n,s),a=n[s]}c.forEach((t=>t.parentNode.removeChild(t)))}const u=t=>{let e=11===t.nodeType?0:1;const i=document.createTreeWalker(t,133,null,!1);for(;i.nextNode();)e++;return e},d=(t,e=-1)=>{for(let i=e+1;i<t.length;i++){const e=t[i];if(o(e))return i}return-1}; /** * @license * Copyright (c) 2017 The Polymer Project Authors. 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0)}disconnectedCallback(){}attributeChangedCallback(t,e,i){e!==i&&this._attributeToProperty(t,i)}_propertyToAttribute(t,e,i=W){const n=this.constructor,r=n._attributeNameForProperty(t,i);if(void 0!==r){const t=n._propertyValueToAttribute(e,i);if(void 0===t)return;this._updateState=8|this._updateState,null==t?this.removeAttribute(r):this.setAttribute(r,t),this._updateState=-9&this._updateState}}_attributeToProperty(t,e){if(8&this._updateState)return;const i=this.constructor,n=i._attributeToPropertyMap.get(t);if(void 0!==n){const t=i.getPropertyOptions(n);this._updateState=16|this._updateState,this[n]=i._propertyValueFromAttribute(e,t),this._updateState=-17&this._updateState}}requestUpdateInternal(t,e,i){let n=!0;if(void 0!==t){const r=this.constructor;i=i||r.getPropertyOptions(t),r._valueHasChanged(this[t],e,i.hasChanged)?(this._changedProperties.has(t)||this._changedProperties.set(t,e),!0!==i.reflect||16&this._updateState||(void 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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 A=1/p;return t[0]=h*A,t[1]=(n*l-c*i)*A,t[2]=(a*i-n*s)*A,t[3]=u*A,t[4]=(c*e-n*o)*A,t[5]=(n*r-a*e)*A,t[6]=d*A,t[7]=(i*o-l*e)*A,t[8]=(s*e-i*r)*A,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){return this.premultiply(ft.makeScale(t,e)),this}rotate(t){return this.premultiply(ft.makeRotation(-t)),this}translate(t,e){return this.premultiply(ft.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),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)}}const ft=new gt;function vt(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}function _t(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function yt(){const t=_t("canvas");return t.style.display="block",t}const Et={};function xt(t){t in Et||(Et[t]=!0,console.warn(t))}const bt=(new gt).set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),St=(new gt).set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),wt={"srgb-linear":{transfer:"linear",primaries:"rec709",toReference:t=>t,fromReference:t=>t},srgb:{transfer:"srgb",primaries:"rec709",toReference:t=>t.convertSRGBToLinear(),fromReference:t=>t.convertLinearToSRGB()},"display-p3-linear":{transfer:"linear",primaries:"p3",toReference:t=>t.applyMatrix3(St),fromReference:t=>t.applyMatrix3(bt)},"display-p3":{transfer:"srgb",primaries:"p3",toReference:t=>t.convertSRGBToLinear().applyMatrix3(St),fromReference:t=>t.applyMatrix3(bt).convertLinearToSRGB()}},Ct=new Set(["srgb-linear","display-p3-linear"]),It={enabled:!0,_workingColorSpace:"srgb-linear",get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(t){if(!Ct.has(t))throw new Error(`Unsupported working color space, "${t}".`);this._workingColorSpace=t},convert:function(t,e,i){if(!1===this.enabled||e===i||!e||!i)return t;const n=wt[e].toReference;return(0,wt[i].fromReference)(n(t))},fromWorkingColorSpace:function(t,e){return this.convert(t,this._workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this._workingColorSpace)},getPrimaries:function(t){return wt[t].primaries},getTransfer:function(t){return""===t?"linear":wt[t].transfer}};function Mt(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Tt(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Bt;class Rt{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===Bt&&(Bt=_t("canvas")),Bt.width=t.width,Bt.height=t.height;const i=Bt.getContext("2d");t instanceof ImageData?i.putImageData(t,0,0):i.drawImage(t,0,0,t.width,t.height),e=Bt}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=_t("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*Mt(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*Mt(e[t]/255)):e[t]=Mt(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}}let Lt=0;class Dt{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Lt++}),this.uuid=at(),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(Ut(n[e].image)):t.push(Ut(n[e]))}else t=Ut(n);i.url=t}return e||(t.images[this.uuid]=i),i}}function Ut(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Rt.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 Pt=0;class Nt extends et{constructor(t=Nt.DEFAULT_IMAGE,e=Nt.DEFAULT_MAPPING,i=1001,n=1001,r=1006,s=1008,a=1023,o=1009,l=Nt.DEFAULT_ANISOTROPY,c=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Pt++}),this.uuid=at(),this.name="",this.source=new Dt(t),this.mipmaps=[],this.mapping=e,this.channel=0,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 mt(0,0),this.repeat=new mt(1,1),this.center=new mt(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new gt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,"string"==typeof c?this.colorSpace=c:(xt("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=3001===c?"srgb":""),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}get image(){return this.source.data}set image(t=null){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.channel=t.channel,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.colorSpace=t.colorSpace,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:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case 1e3:t.x=t.x-Math.floor(t.x);break;case 1001:t.x=t.x<0?0:1;break;case 1002:1===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 1e3:t.y=t.y-Math.floor(t.y);break;case 1001:t.y=t.y<0?0:1;break;case 1002:1===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)}get encoding(){return xt("THREE.Texture: Property .encoding has been replaced by .colorSpace."),"srgb"===this.colorSpace?3001:3e3}set encoding(t){xt("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=3001===t?"srgb":""}}Nt.DEFAULT_IMAGE=null,Nt.DEFAULT_MAPPING=300,Nt.DEFAULT_ANISOTROPY=1;class Ft{constructor(t=0,e=0,i=0,n=1){Ft.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],A=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<s&&Math.abs(h-A)<s&&Math.abs(p-m)<s){if(Math.abs(c+u)<a&&Math.abs(h+A)<a&&Math.abs(p+m)<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,f=(g+1)/2,v=(c+u)/4,_=(h+A)/4,y=(p+m)/4;return t>o&&t>f?t<s?(i=0,n=.707106781,r=.707106781):(i=Math.sqrt(t),n=v/i,r=_/i):o>f?o<s?(i=.707106781,n=0,r=.707106781):(n=Math.sqrt(o),i=v/n,r=y/n):f<s?(i=.707106781,n=.707106781,r=0):(r=Math.sqrt(f),i=_/r,n=y/r),this.set(i,n,r,e),this}let f=Math.sqrt((m-p)*(m-p)+(h-A)*(h-A)+(u-c)*(u-c));return Math.abs(f)<.001&&(f=1),this.x=(m-p)/f,this.y=(h-A)/f,this.z=(u-c)/f,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=Ma