bytev-charts/lib/plugin/three.js/build/three.min.js

基于echarts和JavaScript及ES6封装的一个可以直接调用的图表组件库，内置主题设计，简单快捷，且支持用户自定义配置； npm 安装方式: npm install bytev-charts 若启动提示还需额外install插件,则运行 npm install @babel/runtime-corejs2 即可;

import _typeof from"@babel/runtime-corejs2/helpers/typeof";import"core-js/modules/es.function.name.js";import"core-js/modules/es.string.repeat.js";import"core-js/modules/es.array.map.js";import"core-js/modules/es.array.iterator.js";import"core-js/modules/es.array-buffer.slice.js";import"core-js/modules/es.object.to-string.js";import"core-js/modules/es.typed-array.int8-array.js";import"core-js/modules/es.typed-array.copy-within.js";import"core-js/modules/es.typed-array.every.js";import"core-js/modules/es.typed-array.fill.js";import"core-js/modules/es.typed-array.filter.js";import"core-js/modules/es.typed-array.find.js";import"core-js/modules/es.typed-array.find-index.js";import"core-js/modules/es.typed-array.for-each.js";import"core-js/modules/es.typed-array.includes.js";import"core-js/modules/es.typed-array.index-of.js";import"core-js/modules/es.typed-array.iterator.js";import"core-js/modules/es.typed-array.join.js";import"core-js/modules/es.typed-array.last-index-of.js";import"core-js/modules/es.typed-array.map.js";import"core-js/modules/es.typed-array.reduce.js";import"core-js/modules/es.typed-array.reduce-right.js";import"core-js/modules/es.typed-array.reverse.js";import"core-js/modules/es.typed-array.set.js";import"core-js/modules/es.typed-array.slice.js";import"core-js/modules/es.typed-array.some.js";import"core-js/modules/es.typed-array.sort.js";import"core-js/modules/es.typed-array.subarray.js";import"core-js/modules/es.typed-array.to-locale-string.js";import"core-js/modules/es.typed-array.to-string.js";import"core-js/modules/es.typed-array.uint8-array.js";import"core-js/modules/es.typed-array.uint8-clamped-array.js";import"core-js/modules/es.typed-array.int16-array.js";import"core-js/modules/es.typed-array.uint16-array.js";import"core-js/modules/es.typed-array.int32-array.js";import"core-js/modules/es.typed-array.uint32-array.js";import"core-js/modules/es.typed-array.float32-array.js";import"core-js/modules/es.typed-array.float64-array.js";import"core-js/modules/es.string.sub.js";import"core-js/modules/es.array.slice.js";import"core-js/modules/es.promise.js";import"core-js/modules/es.array.sort.js";import"core-js/modules/es.regexp.exec.js";import"core-js/modules/es.string.trim.js";import"core-js/modules/es.string.split.js";import"core-js/modules/es.array.join.js";import"core-js/modules/es.string.replace.js";import"core-js/modules/es.array.filter.js";import"core-js/modules/es.array.index-of.js";import"core-js/modules/es.array.for-each.js";import"core-js/modules/web.dom-collections.for-each.js";import"core-js/modules/es.math.sign.js";import"core-js/modules/es.array.reverse.js";import"core-js/modules/es.array.concat.js";import"core-js/modules/es.date.to-json.js";import"core-js/modules/web.url.to-json.js";import"core-js/modules/web.dom-collections.iterator.js";import"core-js/modules/es.array.splice.js";import"core-js/modules/es.number.epsilon.js";import"core-js/modules/es.number.constructor.js";import"core-js/modules/es.number.is-integer.js";import"core-js/modules/es.string.match.js";import"core-js/modules/es.date.to-string.js";import"core-js/modules/es.regexp.to-string.js";import"core-js/modules/es.object.assign.js";import"core-js/modules/es.array-buffer.is-view.js";import"core-js/modules/es.array-buffer.constructor.js";import"core-js/modules/es.data-view.js";import"core-js/modules/es.array.find.js";import"core-js/modules/web.timers.js";import"core-js/modules/es.string.search.js";import"core-js/modules/es.array.last-index-of.js";import"core-js/modules/es.function.bind.js";import"core-js/modules/es.regexp.constructor.js";import"core-js/modules/es.math.log2.js";import _Object$defineProperty from"@babel/runtime-corejs2/core-js/object/define-property";import _Object$defineProperties from"@babel/runtime-corejs2/core-js/object/define-properties";import _Array$isArray from"@babel/runtime-corejs2/core-js/array/is-array";import _Number$isInteger from"@babel/runtime-corejs2/core-js/number/is-integer";import _WeakMap from"@babel/runtime-corejs2/core-js/weak-map";import _Object$keys from"@babel/runtime-corejs2/core-js/object/keys";import _Number$MAX_SAFE_INTEGER from"@babel/runtime-corejs2/core-js/number/max-safe-integer";import _parseInt from"@babel/runtime-corejs2/core-js/parse-int";import _parseFloat from"@babel/runtime-corejs2/core-js/parse-float";import _Map from"@babel/runtime-corejs2/core-js/map";import _Number$EPSILON from"@babel/runtime-corejs2/core-js/number/epsilon";import _Object$assign from"@babel/runtime-corejs2/core-js/object/assign";import _Object$create from"@babel/runtime-corejs2/core-js/object/create";import _JSON$stringify from"@babel/runtime-corejs2/core-js/json/stringify";import _Object$freeze from"@babel/runtime-corejs2/core-js/object/freeze";import _Promise from"@babel/runtime-corejs2/core-js/promise";import _Array$from from"@babel/runtime-corejs2/core-js/array/from";// threejs.org/license
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k=b.texture.generateMipmaps;b.texture.generateMipmaps=!1;a.setRenderTarget(b,0);a.render(c,d);a.setRenderTarget(b,1);a.render(c,e);a.setRenderTarget(b,2);a.render(c,f);a.setRenderTarget(b,3);a.render(c,g);a.setRenderTarget(b,4);a.render(c,h);b.texture.generateMipmaps=k;a.setRenderTarget(b,5);a.render(c,l);a.setRenderTarget(r);a.xr.enabled=n;};this.clear=function(a,c,d,e){for(var f=a.getRenderTarget(),g=0;6>g;g++){a.setRenderTarget(b,g),a.clear(c,d,e);}a.setRenderTarget(f);};}}function Qb(c,a,b){_Number$isInteger(a)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),a=b);Sa.call(this,c,c,a);this.texture.isWebGLCubeRenderTargetTexture=!0;}function nc(c,a,b,d,e,f,g,h,l,n,r,u){fa.call(this,null,f,g,h,l,n,d,e,r,u);this.image={data:c||null,width:a||1,height:b||1};this.magFilter=void 0!==l?l:1003;this.minFilter=void 0!==n?n:1003;this.flipY=this.generateMipmaps=!1;this.unpackAlignment=1;this.needsUpdate=!0;}function Ah(){function c(b,g){d(b,g);e=a.requestAnimationFrame(c);}var a=null,b=!1,d=null,e=null;return{start:function start(){!0!==b&&null!==d&&(e=a.requestAnimationFrame(c),b=!0);},stop:function stop(){a.cancelAnimationFrame(e);b=!1;},setAnimationLoop:function setAnimationLoop(a){d=a;},setContext:function setContext(b){a=b;}};}function lj(c,a){function b(a,b){var d=a.array,e=a.usage,f=c.createBuffer();c.bindBuffer(b,f);c.bufferData(b,d,e);a.onUploadCallback();b=5126;d instanceof Float32Array?b=5126:d instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):d instanceof Uint16Array?b=5123:d instanceof Int16Array?b=5122:d instanceof Uint32Array?b=5125:d instanceof Int32Array?b=5124:d instanceof Int8Array?b=5120:d instanceof Uint8Array&&(b=5121);return{buffer:f,type:b,bytesPerElement:d.BYTES_PER_ELEMENT,version:a.version};}var d=a.isWebGL2,e=new _WeakMap();return{get:function get(a){a.isInterleavedBufferAttribute&&(a=a.data);return e.get(a);},remove:function remove(a){a.isInterleavedBufferAttribute&&(a=a.data);var b=e.get(a);b&&(c.deleteBuffer(b.buffer),e["delete"](a));},update:function update(a,g){if(a.isGLBufferAttribute)g=e.get(a),(!g||g.version<a.version)&&e.set(a,{buffer:a.buffer,type:a.type,bytesPerElement:a.elementSize,version:a.version});else{a.isInterleavedBufferAttribute&&(a=a.data);var f=e.get(a);if(void 0===f)e.set(a,b(a,g));else if(f.version<a.version){var l=a.array,n=a.updateRange;c.bindBuffer(g,f.buffer);-1===n.count?c.bufferSubData(g,0,l):(d?c.bufferSubData(g,n.offset*l.BYTES_PER_ELEMENT,l,n.offset,n.count):c.bufferSubData(g,n.offset*l.BYTES_PER_ELEMENT,l.subarray(n.offset,n.offset+n.count)),n.count=-1);f.version=a.version;}}}};}function Ud(c,a,b,d){P.call(this);this.type="PlaneGeometry";this.parameters={width:c,height:a,widthSegments:b,heightSegments:d};this.fromBufferGeometry(new oc(c,a,b,d));this.mergeVertices();}function oc(c,a,b,d){G.call(this);this.type="PlaneBufferGeometry";this.parameters={width:c,height:a,widthSegments:b,heightSegments:d};c=c||1;a=a||1;var e=c/2,f=a/2;b=Math.floor(b)||1;d=Math.floor(d)||1;var g=b+1,h=d+1,l=c/b,n=a/d;a=[];c=[];for(var r=[],u=[],q=0;q<h;q++){for(var k=q*n-f,t=0;t<g;t++){c.push(t*l-e,-k,0),r.push(0,0,1),u.push(t/b),u.push(1-q/d);}}for(e=0;e<d;e++){for(f=0;f<b;f++){h=f+g*(e+1),l=f+1+g*(e+1),n=f+1+g*e,a.push(f+g*e,h,n),a.push(h,l,n);}}this.setIndex(a);this.setAttribute("position",new I(c,3));this.setAttribute("normal",new I(r,3));this.setAttribute("uv",new I(u,2));}function mj(c,a,b,d,e){function f(a,c){b.buffers.color.setClear(a.r,a.g,a.b,c,e);}var g=new x(0),h=0,l,n,r=null,u=0,q=null;return{getClearColor:function getClearColor(){return g;},setClearColor:function setClearColor(a,b){g.set(a);h=void 0!==b?b:1;f(g,h);},getClearAlpha:function getClearAlpha(){return h;},setClearAlpha:function setClearAlpha(a){h=a;f(g,h);},render:function render(b,e,k,C){(e=!0===e.isScene?e.background:null)&&e.isTexture&&(e=a.get(e));k=c.xr;(k=k.getSession&&k.getSession())&&"additive"===k.environmentBlendMode&&(e=null);null===e?f(g,h):e&&e.isColor&&(f(e,1),C=!0);(c.autoClear||C)&&c.clear(c.autoClearColor,c.autoClearDepth,c.autoClearStencil);if(e&&(e.isCubeTexture||e.isWebGLCubeRenderTarget||e.isWebGLCubeRenderTargetTexture||306===e.mapping)){void 0===n&&(n=new na(new Pb(1,1,1),new Aa({name:"BackgroundCubeMaterial",uniforms:Rc(db.cube.uniforms),vertexShader:db.cube.vertexShader,fragmentShader:db.cube.fragmentShader,side:1,depthTest:!1,depthWrite:!1,fog:!1})),n.geometry.deleteAttribute("normal"),n.geometry.deleteAttribute("uv"),n.onBeforeRender=function(a,b,c){this.matrixWorld.copyPosition(c.matrixWorld);},_Object$defineProperty(n.material,"envMap",{get:function get(){return this.uniforms.envMap.value;}}),d.update(n));e.isWebGLCubeRenderTarget&&(e=e.texture);n.material.uniforms.envMap.value=e;n.material.uniforms.flipEnvMap.value=e.isCubeTexture?-1:1;if(r!==e||u!==e.version||q!==c.toneMapping)n.material.needsUpdate=!0,r=e,u=e.version,q=c.toneMapping;b.unshift(n,n.geometry,n.material,0,0,null);}else if(e&&e.isTexture){void 0===l&&(l=new na(new oc(2,2),new Aa({name:"BackgroundMaterial",uniforms:Rc(db.background.uniforms),vertexShader:db.background.vertexShader,fragmentShader:db.background.fragmentShader,side:0,depthTest:!1,depthWrite:!1,fog:!1})),l.geometry.deleteAttribute("normal"),_Object$defineProperty(l.material,"map",{get:function get(){return this.uniforms.t2D.value;}}),d.update(l));l.material.uniforms.t2D.value=e;!0===e.matrixAutoUpdate&&e.updateMatrix();l.material.uniforms.uvTransform.value.copy(e.matrix);if(r!==e||u!==e.version||q!==c.toneMapping)l.material.needsUpdate=!0,r=e,u=e.version,q=c.toneMapping;b.unshift(l,l.geometry,l.material,0,0,null);}}};}function nj(c,a,b,d){function e(a){return d.isWebGL2?c.bindVertexArray(a):t.bindVertexArrayOES(a);}function f(a){return d.isWebGL2?c.deleteVertexArray(a):t.deleteVertexArrayOES(a);}function g(a){for(var b=[],c=[],d=[],e=0;e<k;e++){b[e]=0,c[e]=0,d[e]=0;}return{geometry:null,program:null,wireframe:!1,newAttributes:b,enabledAttributes:c,attributeDivisors:d,object:a,attributes:{},index:null};}function h(){for(var a=E.newAttributes,b=0,c=a.length;b<c;b++){a[b]=0;}}function l(a){n(a,0);}function n(b,e){var f=E.enabledAttributes,g=E.attributeDivisors;E.newAttributes[b]=1;0===f[b]&&(c.enableVertexAttribArray(b),f[b]=1);g[b]!==e&&((d.isWebGL2?c:a.get("ANGLE_instanced_arrays"))[d.isWebGL2?"vertexAttribDivisor":"vertexAttribDivisorANGLE"](b,e),g[b]=e);}function r(){for(var a=E.newAttributes,b=E.enabledAttributes,d=0,e=b.length;d<e;d++){b[d]!==a[d]&&(c.disableVertexAttribArray(d),b[d]=0);}}function u(){q();E!==m&&(E=m,e(E.object));}function q(){m.geometry=null;m.program=null;m.wireframe=!1;}var k=c.getParameter(34921),t=d.isWebGL2?null:a.get("OES_vertex_array_object"),w=d.isWebGL2||null!==t,C={},m=g(null),E=m;return{setup:function setup(f,u,q,k,v){var m=!1;if(w){m=!0===u.wireframe;var y=C[k.id];void 0===y&&(y={},C[k.id]=y);var A=y[q.id];void 0===A&&(A={},y[q.id]=A);y=A[m];void 0===y&&(y=g(d.isWebGL2?c.createVertexArray():t.createVertexArrayOES()),A[m]=y);m=y;E!==m&&(E=m,e(E.object));a:if(m=E.attributes,A=k.attributes,_Object$keys(m).length!==_Object$keys(A).length)m=!0;else{for(var D in A){y=m[D];var M=A[D];if(M.isGLBufferAttribute||void 0===y||y.attribute!==M||y.data!==M.data){m=!0;break a;}}m=E.index!==v?!0:!1;}if(m){D={};A=k.attributes;for(var Ga in A){y=A[Ga],M={},M.attribute=y,y.data&&(M.data=y.data),D[Ga]=M;}E.attributes=D;E.index=v;}}else if(Ga=!0===u.wireframe,E.geometry!==k.id||E.program!==q.id||E.wireframe!==Ga)E.geometry=k.id,E.program=q.id,E.wireframe=Ga,m=!0;!0===f.isInstancedMesh&&(m=!0);null!==v&&b.update(v,34963);if(m){if(!1!==d.isWebGL2||!f.isInstancedMesh&&!k.isInstancedBufferGeometry||null!==a.get("ANGLE_instanced_arrays")){h();Ga=k.attributes;q=q.getAttributes();u=u.defaultAttributeValues;for(var H in q){if(m=q[H],0<=m){var p=Ga[H];if(void 0!==p){if(D=p.normalized,M=p.itemSize,y=b.get(p),void 0!==y){var x=y.buffer;A=y.type;y=y.bytesPerElement;if(p.isInterleavedBufferAttribute){var B=p.data,z=B.stride;p=p.offset;B&&B.isInstancedInterleavedBuffer?(n(m,B.meshPerAttribute),void 0===k._maxInstanceCount&&(k._maxInstanceCount=B.meshPerAttribute*B.count)):l(m);c.bindBuffer(34962,x);z*=y;y*=p;!0!==d.isWebGL2||5124!==A&&5125!==A?c.vertexAttribPointer(m,M,A,D,z,y):c.vertexAttribIPointer(m,M,A,z,y);}else p.isInstancedBufferAttribute?(n(m,p.meshPerAttribute),void 0===k._maxInstanceCount&&(k._maxInstanceCount=p.meshPerAttribute*p.count)):l(m),c.bindBuffer(34962,x),y=M,!0!==d.isWebGL2||5124!==A&&5125!==A?c.vertexAttribPointer(m,y,A,D,0,0):c.vertexAttribIPointer(m,y,A,0,0);}}else if("instanceMatrix"===H)A=b.get(f.instanceMatrix),void 0!==A&&(D=A.buffer,A=A.type,n(m+0,1),n(m+1,1),n(m+2,1),n(m+3,1),c.bindBuffer(34962,D),c.vertexAttribPointer(m+0,4,A,!1,64,0),c.vertexAttribPointer(m+1,4,A,!1,64,16),c.vertexAttribPointer(m+2,4,A,!1,64,32),c.vertexAttribPointer(m+3,4,A,!1,64,48));else if("instanceColor"===H)A=b.get(f.instanceColor),void 0!==A&&(D=A.buffer,A=A.type,n(m,1),c.bindBuffer(34962,D),c.vertexAttribPointer(m,3,A,!1,12,0));else if(void 0!==u&&(D=u[H],void 0!==D))switch(D.length){case 2:c.vertexAttrib2fv(m,D);break;case 3:c.vertexAttrib3fv(m,D);break;case 4:c.vertexAttrib4fv(m,D);break;default:c.vertexAttrib1fv(m,D);}}}r();}null!==v&&c.bindBuffer(34963,b.get(v).buffer);}},reset:u,resetDefaultState:q,dispose:function dispose(){u();for(var a in C){var b=C[a],c;for(c in b){var d=b[c],e;for(e in d){f(d[e].object),delete d[e];}delete b[c];}delete C[a];}},releaseStatesOfGeometry:function releaseStatesOfGeometry(a){if(void 0!==C[a.id]){var b=C[a.id],c;for(c in b){var d=b[c],e;for(e in d){f(d[e].object),delete d[e];}delete b[c];}delete C[a.id];}},releaseStatesOfProgram:function releaseStatesOfProgram(a){for(var b in C){var c=C[b];if(void 0!==c[a.id]){var d=c[a.id],e;for(e in d){f(d[e].object),delete d[e];}delete c[a.id];}}},initAttributes:h,enableAttribute:l,disableUnusedAttributes:r};}function oj(c,a,b,d){var e=d.isWebGL2,f;this.setMode=function(a){f=a;};this.render=function(a,d){c.drawArrays(f,a,d);b.update(d,f,1);};this.renderInstances=function(d,h,l){if(0!==l){if(e){var g=c;var r="drawArraysInstanced";}else if(g=a.get("ANGLE_instanced_arrays"),r="drawArraysInstancedANGLE",null===g){console.error("THREE.WebGLBufferRenderer: using THREE.InstancedBufferGeometry but hardware does not support extension ANGLE_instanced_arrays.");return;}g[r](f,d,h,l);b.update(h,f,l);}};}function pj(c,a,b){function d(a){if("highp"===a){if(0<c.getShaderPrecisionFormat(35633,36338).precision&&0<c.getShaderPrecisionFormat(35632,36338).precision)return"highp";a="mediump";}return"mediump"===a&&0<c.getShaderPrecisionFormat(35633,36337).precision&&0<c.getShaderPrecisionFormat(35632,36337).precision?"mediump":"lowp";}var e,f="undefined"!==typeof WebGL2RenderingContext&&c instanceof WebGL2RenderingContext||"undefined"!==typeof WebGL2ComputeRenderingContext&&c instanceof WebGL2ComputeRenderingContext,g=void 0!==b.precision?b.precision:"highp",h=d(g);h!==g&&(console.warn("THREE.WebGLRenderer:",g,"not supported, using",h,"instead."),g=h);b=!0===b.logarithmicDepthBuffer;h=c.getParameter(34930);var l=c.getParameter(35660),n=c.getParameter(3379),r=c.getParameter(34076),u=c.getParameter(34921),q=c.getParameter(36347),k=c.getParameter(36348),t=c.getParameter(36349),m=0<l,C=f||!!a.get("OES_texture_float"),y=m&&C,E=f?c.getParameter(36183):0;return{isWebGL2:f,getMaxAnisotropy:function getMaxAnisotropy(){if(void 0!==e)return e;var b=a.get("EXT_texture_filter_anisotropic");return e=null!==b?c.getParameter(b.MAX_TEXTURE_MAX_ANISOTROPY_EXT):0;},getMaxPrecision:d,precision:g,logarithmicDepthBuffer:b,maxTextures:h,maxVertexTextures:l,maxTextureSize:n,maxCubemapSize:r,maxAttributes:u,maxVertexUniforms:q,maxVaryings:k,maxFragmentUniforms:t,vertexTextures:m,floatFragmentTextures:C,floatVertexTextures:y,maxSamples:E};}function qj(c){function a(){r.value!==e&&(r.value=e,r.needsUpdate=0<f);d.numPlanes=f;d.numIntersection=0;}function b(a,b,c,e){var f=null!==a?a.length:0,g=null;if(0!==f){g=r.value;if(!0!==e||null===g){e=c+4*f;b=b.matrixWorldInverse;n.getNormalMatrix(b);if(null===g||g.length<e)g=new Float32Array(e);for(e=0;e!==f;++e,c+=4){l.copy(a[e]).applyMatrix4(b,n),l.normal.toArray(g,c),g[c+3]=l.constant;}}r.value=g;r.needsUpdate=!0;}d.numPlanes=f;d.numIntersection=0;return g;}var d=this,e=null,f=0,g=!1,h=!1,l=new W(),n=new X(),r={value:null,needsUpdate:!1};this.uniform=r;this.numIntersection=this.numPlanes=0;this.init=function(a,c,d){var h=0!==a.length||c||0!==f||g;g=c;e=b(a,d,0);f=a.length;return h;};this.beginShadows=function(){h=!0;b(null);};this.endShadows=function(){h=!1;a();};this.setState=function(d,l,n){var u=d.clippingPlanes,q=d.clipIntersection,k=d.clipShadows;d=c.get(d);if(!g||null===u||0===u.length||h&&!k)h?b(null):a();else{k=h?0:f;var v=4*k,m=d.clippingState||null;r.value=m;m=b(u,l,v,n);for(l=0;l!==v;++l){m[l]=e[l];}d.clippingState=m;this.numIntersection=q?this.numPlanes:0;this.numPlanes+=k;}};}function rj(c){function a(a,b){303===b?a.mapping=301:304===b&&(a.mapping=302);return a;}var b=new _WeakMap();return{get:function get(d){if(d&&d.isTexture){var e=d.mapping;if(303===e||304===e)return b.has(d)?(e=b.get(d).texture,a(e,d.mapping)):(e=d.image)&&0<e.height?(e=new Qb(e.height/2),e.fromEquirectangularTexture(c,d),b.set(d,e),a(e.texture,d.mapping)):null;}return d;},dispose:function dispose(){b=new _WeakMap();}};}function sj(c){var a={};return{has:function has(b){if(void 0!==a[b])return a[b];switch(b){case"WEBGL_depth_texture":var d=c.getExtension("WEBGL_depth_texture")||c.getExtension("MOZ_WEBGL_depth_texture")||c.getExtension("WEBKIT_WEBGL_depth_texture");break;case"EXT_texture_filter_anisotropic":d=c.getExtension("EXT_texture_filter_anisotropic")||c.getExtension("MOZ_EXT_texture_filter_anisotropic")||c.getExtension("WEBKIT_EXT_texture_filter_anisotropic");break;case"WEBGL_compressed_texture_s3tc":d=c.getExtension("WEBGL_compressed_texture_s3tc")||c.getExtension("MOZ_WEBGL_compressed_texture_s3tc")||c.getExtension("WEBKIT_WEBGL_compressed_texture_s3tc");break;case"WEBGL_compressed_texture_pvrtc":d=c.getExtension("WEBGL_compressed_texture_pvrtc")||c.getExtension("WEBKIT_WEBGL_compressed_texture_pvrtc");break;default:d=c.getExtension(b);}a[b]=d;return!!d;},get:function get(b){this.has(b)||console.warn("THREE.WebGLRenderer: "+b+" extension not supported.");return a[b];}};}function tj(c,a,b,d){function e(c){c=c.target;var f=g.get(c);null!==f.index&&a.remove(f.index);for(var l in f.attributes){a.remove(f.attributes[l]);}c.removeEventListener("dispose",e);g["delete"](c);if(l=h.get(f))a.remove(l),h["delete"](f);d.releaseStatesOfGeometry(c);!0===c.isInstancedBufferGeometry&&delete c._maxInstanceCount;b.memory.geometries--;}function f(b){var c=[],d=b.index,e=b.attributes.position;if(null!==d){e=d.array;d=d.version;for(var f=0,g=e.length;f<g;f+=3){var l=e[f+0],k=e[f+1],m=e[f+2];c.push(l,k,k,m,m,l);}}else for(f=e.array,d=e.version,e=0,f=f.length/3-1;e<f;e+=3){g=e+0,l=e+1,k=e+2,c.push(g,l,l,k,k,g);}c=new(65535<yh(c)?lc:kc)(c,1);c.version=d;(d=h.get(b))&&a.remove(d);h.set(b,c);}var g=new _WeakMap(),h=new _WeakMap();return{get:function get(a,c){var d=g.get(c);if(d)return d;c.addEventListener("dispose",e);c.isBufferGeometry?d=c:c.isGeometry&&(void 0===c._bufferGeometry&&(c._bufferGeometry=new G().setFromObject(a)),d=c._bufferGeometry);g.set(c,d);b.memory.geometries++;return d;},update:function update(b){var c=b.attributes;for(e in 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