Updated builds.

build/three.js

@@ -8661,6 +8661,7 @@
 			this.blending = source.blending;
 			this.side = source.side;
 			this.flatShading = source.flatShading;
+			this.vertexTangents = source.vertexTangents;
 			this.vertexColors = source.vertexColors;
 
 			this.opacity = source.opacity;
@@ -8677,7 +8678,6 @@
 			this.depthTest = source.depthTest;
 			this.depthWrite = source.depthWrite;
 
-			this.stencilWrite = source.stencilWrite;
 			this.stencilWriteMask = source.stencilWriteMask;
 			this.stencilFunc = source.stencilFunc;
 			this.stencilRef = source.stencilRef;
@@ -8685,6 +8685,26 @@
 			this.stencilFail = source.stencilFail;
 			this.stencilZFail = source.stencilZFail;
 			this.stencilZPass = source.stencilZPass;
+			this.stencilWrite = source.stencilWrite;
+
+			var srcPlanes = source.clippingPlanes,
+				dstPlanes = null;
+
+			if ( srcPlanes !== null ) {
+
+				var n = srcPlanes.length;
+				dstPlanes = new Array( n );
+
+				for ( var i = 0; i !== n; ++ i )
+					{ dstPlanes[ i ] = srcPlanes[ i ].clone(); }
+
+			}
+
+			this.clippingPlanes = dstPlanes;
+			this.clipIntersection = source.clipIntersection;
+			this.clipShadows = source.clipShadows;
+
+			this.shadowSide = source.shadowSide;
 
 			this.colorWrite = source.colorWrite;
 
@@ -8705,26 +8725,6 @@
 
 			this.userData = JSON.parse( JSON.stringify( source.userData ) );
 
-			this.clipShadows = source.clipShadows;
-			this.clipIntersection = source.clipIntersection;
-
-			var srcPlanes = source.clippingPlanes,
-				dstPlanes = null;
-
-			if ( srcPlanes !== null ) {
-
-				var n = srcPlanes.length;
-				dstPlanes = new Array( n );
-
-				for ( var i = 0; i !== n; ++ i )
-					{ dstPlanes[ i ] = srcPlanes[ i ].clone(); }
-
-			}
-
-			this.clippingPlanes = dstPlanes;
-
-			this.shadowSide = source.shadowSide;
-
 			return this;
 
 		},
@@ -17655,7 +17655,7 @@
 
 	}
 
-	function WebGLProgram( renderer, extensions, code, material, shader, parameters ) {
+	function WebGLProgram( renderer, extensions, cacheKey, material, shader, parameters ) {
 
 		var gl = renderer.getContext();
 
@@ -18162,7 +18162,7 @@
 
 		this.name = shader.name;
 		this.id = programIdCount ++;
-		this.code = code;
+		this.cacheKey = cacheKey;
 		this.usedTimes = 1;
 		this.program = program;
 		this.vertexShader = glVertexShader;
@@ -18412,7 +18412,7 @@
 
 		};
 
-		this.getProgramCode = function ( material, parameters ) {
+		this.getProgramCacheKey = function ( material, parameters ) {
 
 			var array = [];
 
@@ -18454,18 +18454,18 @@
 
 		};
 
-		this.acquireProgram = function ( material, shader, parameters, code ) {
+		this.acquireProgram = function ( material, shader, parameters, cacheKey ) {
 
 			var program;
 
 			// Check if code has been already compiled
 			for ( var p = 0, pl = programs.length; p < pl; p ++ ) {
 
-				var programInfo = programs[ p ];
+				var preexistingProgram = programs[ p ];
 
-				if ( programInfo.code === code ) {
+				if ( preexistingProgram.cacheKey === cacheKey ) {
 
-					program = programInfo;
+					program = preexistingProgram;
 					++ program.usedTimes;
 
 					break;
@@ -18476,7 +18476,7 @@
 
 			if ( program === undefined ) {
 
-				program = new WebGLProgram( renderer, extensions, code, material, shader, parameters );
+				program = new WebGLProgram( renderer, extensions, cacheKey, material, shader, parameters );
 				programs.push( program );
 
 			}
@@ -24890,7 +24890,7 @@
 			var parameters = programCache.getParameters(
 				material, lights.state, shadowsArray, fog, _clipping.numPlanes, _clipping.numIntersection, object );
 
-			var code = programCache.getProgramCode( material, parameters );
+			var programCacheKey = programCache.getProgramCacheKey( material, parameters );
 
 			var program = materialProperties.program;
 			var programChange = true;
@@ -24900,7 +24900,7 @@
 				// new material
 				material.addEventListener( 'dispose', onMaterialDispose );
 
-			} else if ( program.code !== code ) {
+			} else if ( program.cacheKey !== programCacheKey ) {
 
 				// changed glsl or parameters
 				releaseMaterialProgramReference( material );
@@ -24949,10 +24949,10 @@
 
 				material.onBeforeCompile( materialProperties.shader, _this );
 
-				// Computing code again as onBeforeCompile may have changed the shaders
-				code = programCache.getProgramCode( material, parameters );
+				// Computing cache key again as onBeforeCompile may have changed the shaders
+				programCacheKey = programCache.getProgramCacheKey( material, parameters );
 
-				program = programCache.acquireProgram( material, materialProperties.shader, parameters, code );
+				program = programCache.acquireProgram( material, materialProperties.shader, parameters, programCacheKey );
 
 				materialProperties.program = program;
 				material.program = program;

build/three.min.js

@@ -79,7 +79,7 @@ f);m=Ch(m,f);l=l.replace(Fh,Dh);m=m.replace(Fh,Dh);f.isWebGL2&&!d.isRawShaderMat
 "\n"+b,0<x&&(h=h.replace("#version 300 es\n",["#version 300 es\n\n#extension GL_OVR_multiview2 : require","layout(num_views = "+x+") in;","#define VIEW_ID gl_ViewID_OVR"].join("\n")),h=h.replace("uniform mat4 modelViewMatrix;\nuniform mat4 projectionMatrix;\nuniform mat4 viewMatrix;\nuniform mat3 normalMatrix;",["uniform mat4 modelViewMatrices["+x+"];","uniform mat4 projectionMatrices["+x+"];","uniform mat4 viewMatrices["+x+"];","uniform mat3 normalMatrices["+x+"];","#define modelViewMatrix modelViewMatrices[VIEW_ID]\n#define projectionMatrix projectionMatrices[VIEW_ID]\n#define viewMatrix viewMatrices[VIEW_ID]\n#define normalMatrix normalMatrices[VIEW_ID]"].join("\n")),
 b=b.replace("#version 300 es\n","#version 300 es\n\n#extension GL_OVR_multiview2 : require\n#define VIEW_ID gl_ViewID_OVR"),b=b.replace("uniform mat4 viewMatrix;",["uniform mat4 viewMatrices["+x+"];","#define viewMatrix viewMatrices[VIEW_ID]"].join("\n"))));m=b+m;l=yh(g,35633,h+l);m=yh(g,35632,m);g.attachShader(w,l);g.attachShader(w,m);void 0!==d.index0AttributeName?g.bindAttribLocation(w,0,d.index0AttributeName):!0===f.morphTargets&&g.bindAttribLocation(w,0,"position");g.linkProgram(w);if(a.debug.checkShaderErrors){a=
 g.getProgramInfoLog(w).trim();f=g.getShaderInfoLog(l).trim();r=g.getShaderInfoLog(m).trim();k=q=!0;if(!1===g.getProgramParameter(w,35714))q=!1,p=Ah(g,l,"vertex"),t=Ah(g,m,"fragment"),console.error("THREE.WebGLProgram: shader error: ",g.getError(),"35715",g.getProgramParameter(w,35715),"gl.getProgramInfoLog",a,p,t);else if(""!==a)console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",a);else if(""===f||""===r)k=!1;k&&(this.diagnostics={runnable:q,material:d,programLog:a,vertexShader:{log:f,prefix:h},
-fragmentShader:{log:r,prefix:b}})}g.deleteShader(l);g.deleteShader(m);var F;this.getUniforms=function(){void 0===F&&(F=new Cb(g,w));return F};var H;this.getAttributes=function(){if(void 0===H){for(var a={},b=g.getProgramParameter(w,35721),c=0;c<b;c++){var d=g.getActiveAttrib(w,c).name;a[d]=g.getAttribLocation(w,d)}H=a}return H};this.destroy=function(){g.deleteProgram(w);this.program=void 0};this.name=e.name;this.id=Yj++;this.code=c;this.usedTimes=1;this.program=w;this.vertexShader=l;this.fragmentShader=
+fragmentShader:{log:r,prefix:b}})}g.deleteShader(l);g.deleteShader(m);var F;this.getUniforms=function(){void 0===F&&(F=new Cb(g,w));return F};var H;this.getAttributes=function(){if(void 0===H){for(var a={},b=g.getProgramParameter(w,35721),c=0;c<b;c++){var d=g.getActiveAttrib(w,c).name;a[d]=g.getAttribLocation(w,d)}H=a}return H};this.destroy=function(){g.deleteProgram(w);this.program=void 0};this.name=e.name;this.id=Yj++;this.cacheKey=c;this.usedTimes=1;this.program=w;this.vertexShader=l;this.fragmentShader=
 m;this.numMultiviewViews=x;return this}function Zj(a,b,c){function d(a,b){if(a)a.isTexture?c=a.encoding:a.isWebGLRenderTarget&&(console.warn("THREE.WebGLPrograms.getTextureEncodingFromMap: don't use render targets as textures. Use their .texture property instead."),c=a.texture.encoding);else var c=3E3;3E3===c&&b&&(c=3007);return c}var e=[],f=c.isWebGL2,g=c.logarithmicDepthBuffer,h=c.floatVertexTextures,l=c.precision,m=c.maxVertexUniforms,r=c.vertexTextures,q={MeshDepthMaterial:"depth",MeshDistanceMaterial:"distanceRGBA",
 MeshNormalMaterial:"normal",MeshBasicMaterial:"basic",MeshLambertMaterial:"lambert",MeshPhongMaterial:"phong",MeshToonMaterial:"phong",MeshStandardMaterial:"physical",MeshPhysicalMaterial:"physical",MeshMatcapMaterial:"matcap",LineBasicMaterial:"basic",LineDashedMaterial:"dashed",PointsMaterial:"points",ShadowMaterial:"shadow",SpriteMaterial:"sprite"},k="precision isWebGL2 supportsVertexTextures outputEncoding instancing numMultiviewViews map mapEncoding matcap matcapEncoding envMap envMapMode envMapEncoding envMapCubeUV lightMap aoMap emissiveMap emissiveMapEncoding bumpMap normalMap objectSpaceNormalMap tangentSpaceNormalMap clearcoatNormalMap displacementMap specularMap roughnessMap metalnessMap gradientMap alphaMap combine vertexColors vertexTangents vertexUvs fog useFog fogExp2 flatShading sizeAttenuation logarithmicDepthBuffer skinning maxBones useVertexTexture morphTargets morphNormals maxMorphTargets maxMorphNormals premultipliedAlpha numDirLights numPointLights numSpotLights numHemiLights numRectAreaLights numDirLightShadows numPointLightShadows numSpotLightShadows shadowMapEnabled shadowMapType toneMapping physicallyCorrectLights alphaTest doubleSided flipSided numClippingPlanes numClipIntersection depthPacking dithering sheen".split(" ");
 this.getParameters=function(b,e,k,u,n,x,F){var t=q[b.type];if(F.isSkinnedMesh){var p=F.skeleton.bones;if(h)p=1024;else{var v=Math.min(Math.floor((m-20)/4),p.length);v<p.length?(console.warn("THREE.WebGLRenderer: Skeleton has "+p.length+" bones. This GPU supports "+v+"."),p=0):p=v}}else p=0;null!==b.precision&&(l=c.getMaxPrecision(b.precision),l!==b.precision&&console.warn("THREE.WebGLProgram.getParameters:",b.precision,"not supported, using",l,"instead."));v=a.getRenderTarget();return{isWebGL2:f,
@@ -87,8 +87,8 @@ shaderID:t,precision:l,instancing:!0===F.isInstancedMesh,supportsVertexTextures:
 emissiveMap:!!b.emissiveMap,emissiveMapEncoding:d(b.emissiveMap,a.gammaInput),bumpMap:!!b.bumpMap,normalMap:!!b.normalMap,objectSpaceNormalMap:1===b.normalMapType,tangentSpaceNormalMap:0===b.normalMapType,clearcoatNormalMap:!!b.clearcoatNormalMap,displacementMap:!!b.displacementMap,roughnessMap:!!b.roughnessMap,metalnessMap:!!b.metalnessMap,specularMap:!!b.specularMap,alphaMap:!!b.alphaMap,gradientMap:!!b.gradientMap,sheen:!!b.sheen,combine:b.combine,vertexTangents:b.normalMap&&b.vertexTangents,vertexColors:b.vertexColors,
 vertexUvs:!!b.map||!!b.bumpMap||!!b.normalMap||!!b.specularMap||!!b.alphaMap||!!b.emissiveMap||!!b.roughnessMap||!!b.metalnessMap||!!b.clearcoatNormalMap||!!b.displacementMap,fog:!!u,useFog:b.fog,fogExp2:u&&u.isFogExp2,flatShading:b.flatShading,sizeAttenuation:b.sizeAttenuation,logarithmicDepthBuffer:g,skinning:b.skinning&&0<p,maxBones:p,useVertexTexture:h,morphTargets:b.morphTargets,morphNormals:b.morphNormals,maxMorphTargets:a.maxMorphTargets,maxMorphNormals:a.maxMorphNormals,numDirLights:e.directional.length,
 numPointLights:e.point.length,numSpotLights:e.spot.length,numRectAreaLights:e.rectArea.length,numHemiLights:e.hemi.length,numDirLightShadows:e.directionalShadowMap.length,numPointLightShadows:e.pointShadowMap.length,numSpotLightShadows:e.spotShadowMap.length,numClippingPlanes:n,numClipIntersection:x,dithering:b.dithering,shadowMapEnabled:a.shadowMap.enabled&&0<k.length,shadowMapType:a.shadowMap.type,toneMapping:b.toneMapped?a.toneMapping:0,physicallyCorrectLights:a.physicallyCorrectLights,premultipliedAlpha:b.premultipliedAlpha,
-alphaTest:b.alphaTest,doubleSided:2===b.side,flipSided:1===b.side,depthPacking:void 0!==b.depthPacking?b.depthPacking:!1}};this.getProgramCode=function(b,c){var d=[];c.shaderID?d.push(c.shaderID):(d.push(b.fragmentShader),d.push(b.vertexShader));if(void 0!==b.defines)for(var e in b.defines)d.push(e),d.push(b.defines[e]);for(e=0;e<k.length;e++)d.push(c[k[e]]);d.push(b.onBeforeCompile.toString());d.push(a.gammaOutput);d.push(a.gammaFactor);return d.join()};this.acquireProgram=function(c,d,f,g){for(var h,
-l=0,m=e.length;l<m;l++){var r=e[l];if(r.code===g){h=r;++h.usedTimes;break}}void 0===h&&(h=new Xj(a,b,g,c,d,f),e.push(h));return h};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=e.indexOf(a);e[b]=e[e.length-1];e.pop();a.destroy()}};this.programs=e}function ak(){var a=new WeakMap;return{get:function(b){var c=a.get(b);void 0===c&&(c={},a.set(b,c));return c},remove:function(b){a.delete(b)},update:function(b,c,d){a.get(b)[c]=d},dispose:function(){a=new WeakMap}}}function bk(a,b){return a.groupOrder!==
+alphaTest:b.alphaTest,doubleSided:2===b.side,flipSided:1===b.side,depthPacking:void 0!==b.depthPacking?b.depthPacking:!1}};this.getProgramCacheKey=function(b,c){var d=[];c.shaderID?d.push(c.shaderID):(d.push(b.fragmentShader),d.push(b.vertexShader));if(void 0!==b.defines)for(var e in b.defines)d.push(e),d.push(b.defines[e]);for(e=0;e<k.length;e++)d.push(c[k[e]]);d.push(b.onBeforeCompile.toString());d.push(a.gammaOutput);d.push(a.gammaFactor);return d.join()};this.acquireProgram=function(c,d,f,g){for(var h,
+l=0,m=e.length;l<m;l++){var r=e[l];if(r.cacheKey===g){h=r;++h.usedTimes;break}}void 0===h&&(h=new Xj(a,b,g,c,d,f),e.push(h));return h};this.releaseProgram=function(a){if(0===--a.usedTimes){var b=e.indexOf(a);e[b]=e[e.length-1];e.pop();a.destroy()}};this.programs=e}function ak(){var a=new WeakMap;return{get:function(b){var c=a.get(b);void 0===c&&(c={},a.set(b,c));return c},remove:function(b){a.delete(b)},update:function(b,c,d){a.get(b)[c]=d},dispose:function(){a=new WeakMap}}}function bk(a,b){return a.groupOrder!==
 b.groupOrder?a.groupOrder-b.groupOrder:a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.program!==b.program?a.program.id-b.program.id:a.material.id!==b.material.id?a.material.id-b.material.id:a.z!==b.z?a.z-b.z:a.id-b.id}function ck(a,b){return a.groupOrder!==b.groupOrder?a.groupOrder-b.groupOrder:a.renderOrder!==b.renderOrder?a.renderOrder-b.renderOrder:a.z!==b.z?b.z-a.z:a.id-b.id}function Gh(){function a(a,d,e,m,r,q){var g=b[c];void 0===g?(g={id:a.id,object:a,geometry:d,material:e,program:e.program||
 f,groupOrder:m,renderOrder:a.renderOrder,z:r,group:q},b[c]=g):(g.id=a.id,g.object=a,g.geometry=d,g.material=e,g.program=e.program||f,g.groupOrder=m,g.renderOrder=a.renderOrder,g.z=r,g.group=q);c++;return g}var b=[],c=0,d=[],e=[],f={id:-1};return{opaque:d,transparent:e,init:function(){c=0;d.length=0;e.length=0},push:function(b,c,f,m,r,q){b=a(b,c,f,m,r,q);(!0===f.transparent?e:d).push(b)},unshift:function(b,c,f,m,r,q){b=a(b,c,f,m,r,q);(!0===f.transparent?e:d).unshift(b)},sort:function(){1<d.length&&
 d.sort(bk);1<e.length&&e.sort(ck)}}}function dk(){function a(c){c=c.target;c.removeEventListener("dispose",a);b.delete(c)}var b=new WeakMap;return{get:function(c,d){var e=b.get(c);if(void 0===e){var f=new Gh;b.set(c,new WeakMap);b.get(c).set(d,f);c.addEventListener("dispose",a)}else f=e.get(d),void 0===f&&(f=new Gh,e.set(d,f));return f},dispose:function(){b=new WeakMap}}}function ek(){var a={};return{get:function(b){if(void 0!==a[b.id])return a[b.id];switch(b.type){case "DirectionalLight":var c={direction:new n,
@@ -180,8 +180,8 @@ console.log("THREE.WebGLRenderer: Context Lost.");N=!0}function e(){console.log(
 else if(a.isLight)G.pushLight(a),a.castShadow&&G.pushShadow(a);else if(a.isSprite){if(!a.frustumCulled||dg.intersectsSprite(a)){d&&Fb.setFromMatrixPosition(a.matrixWorld).applyMatrix4(Jd);var e=sa.update(a),f=a.material;f.visible&&I.push(a,e,f,c,Fb.z,null)}}else if(a.isImmediateRenderObject)d&&Fb.setFromMatrixPosition(a.matrixWorld).applyMatrix4(Jd),I.push(a,null,a.material,c,Fb.z,null);else if(a.isMesh||a.isLine||a.isPoints)if(a.isSkinnedMesh&&a.skeleton.frame!==ca.render.frame&&(a.skeleton.update(),
 a.skeleton.frame=ca.render.frame),!a.frustumCulled||dg.intersectsObject(a))if(d&&Fb.setFromMatrixPosition(a.matrixWorld).applyMatrix4(Jd),e=sa.update(a),f=a.material,Array.isArray(f))for(var g=e.groups,h=0,m=g.length;h<m;h++){var r=g[h],q=f[r.materialIndex];q&&q.visible&&I.push(a,e,q,c,Fb.z,r)}else f.visible&&I.push(a,e,f,c,Fb.z,null);a=a.children;h=0;for(m=a.length;h<m;h++)l(a[h],b,c,d)}}function m(a,b,c,d){for(var e=0,f=a.length;e<f;e++){var g=a[e],h=g.object,l=g.geometry,m=void 0===d?g.material:
 d;g=g.group;if(c.isArrayCamera)if($b=c,ja.enabled&&ua.isAvailable())r(h,b,c,l,m,g);else for(var q=c.cameras,k=0,p=q.length;k<p;k++){var u=q[k];h.layers.test(u.layers)&&(aa.viewport(T.copy(u.viewport)),G.setupLights(u),r(h,b,u,l,m,g))}else $b=null,r(h,b,c,l,m,g)}}function r(a,c,d,e,f,g){a.onBeforeRender(C,c,d,e,f,g);G=va.get(c,$b||d);a.modelViewMatrix.multiplyMatrices(d.matrixWorldInverse,a.matrixWorld);a.normalMatrix.getNormalMatrix(a.modelViewMatrix);if(a.isImmediateRenderObject){aa.setMaterial(f);
-var l=k(d,c.fog,f,a);Je=b=null;Y=!1;h(a,l)}else C.renderBufferDirect(d,c.fog,e,f,a,g);a.onAfterRender(C,c,d,e,f,g);G=va.get(c,$b||d)}function q(a,b,c){var d=Z.get(a),e=G.state.lights,h=e.state.version;c=pa.getParameters(a,e.state,G.state.shadowsArray,b,Oa.numPlanes,Oa.numIntersection,c);var l=pa.getProgramCode(a,c),m=d.program,r=!0;if(void 0===m)a.addEventListener("dispose",f);else if(m.code!==l)g(a);else{if(d.lightsStateVersion!==h)d.lightsStateVersion=h;else if(void 0!==c.shaderID)return;r=!1}r&&
-(c.shaderID?(l=cb[c.shaderID],d.shader={name:a.type,uniforms:Xb(l.uniforms),vertexShader:l.vertexShader,fragmentShader:l.fragmentShader}):d.shader={name:a.type,uniforms:a.uniforms,vertexShader:a.vertexShader,fragmentShader:a.fragmentShader},a.onBeforeCompile(d.shader,C),l=pa.getProgramCode(a,c),m=pa.acquireProgram(a,d.shader,c,l),d.program=m,a.program=m);c=m.getAttributes();if(a.morphTargets)for(l=a.numSupportedMorphTargets=0;l<C.maxMorphTargets;l++)0<=c["morphTarget"+l]&&a.numSupportedMorphTargets++;
+var l=k(d,c.fog,f,a);Je=b=null;Y=!1;h(a,l)}else C.renderBufferDirect(d,c.fog,e,f,a,g);a.onAfterRender(C,c,d,e,f,g);G=va.get(c,$b||d)}function q(a,b,c){var d=Z.get(a),e=G.state.lights,h=e.state.version;c=pa.getParameters(a,e.state,G.state.shadowsArray,b,Oa.numPlanes,Oa.numIntersection,c);var l=pa.getProgramCacheKey(a,c),m=d.program,r=!0;if(void 0===m)a.addEventListener("dispose",f);else if(m.cacheKey!==l)g(a);else{if(d.lightsStateVersion!==h)d.lightsStateVersion=h;else if(void 0!==c.shaderID)return;
+r=!1}r&&(c.shaderID?(l=cb[c.shaderID],d.shader={name:a.type,uniforms:Xb(l.uniforms),vertexShader:l.vertexShader,fragmentShader:l.fragmentShader}):d.shader={name:a.type,uniforms:a.uniforms,vertexShader:a.vertexShader,fragmentShader:a.fragmentShader},a.onBeforeCompile(d.shader,C),l=pa.getProgramCacheKey(a,c),m=pa.acquireProgram(a,d.shader,c,l),d.program=m,a.program=m);c=m.getAttributes();if(a.morphTargets)for(l=a.numSupportedMorphTargets=0;l<C.maxMorphTargets;l++)0<=c["morphTarget"+l]&&a.numSupportedMorphTargets++;
 if(a.morphNormals)for(l=a.numSupportedMorphNormals=0;l<C.maxMorphNormals;l++)0<=c["morphNormal"+l]&&a.numSupportedMorphNormals++;c=d.shader.uniforms;if(!a.isShaderMaterial&&!a.isRawShaderMaterial||!0===a.clipping)d.numClippingPlanes=Oa.numPlanes,d.numIntersection=Oa.numIntersection,c.clippingPlanes=Oa.uniform;d.fog=b;d.needsLights=a.isMeshLambertMaterial||a.isMeshPhongMaterial||a.isMeshStandardMaterial||a.isShadowMaterial||a.isShaderMaterial&&!0===a.lights;d.lightsStateVersion=h;d.needsLights&&(c.ambientLightColor.value=
 e.state.ambient,c.lightProbe.value=e.state.probe,c.directionalLights.value=e.state.directional,c.spotLights.value=e.state.spot,c.rectAreaLights.value=e.state.rectArea,c.pointLights.value=e.state.point,c.hemisphereLights.value=e.state.hemi,c.directionalShadowMap.value=e.state.directionalShadowMap,c.directionalShadowMatrix.value=e.state.directionalShadowMatrix,c.spotShadowMap.value=e.state.spotShadowMap,c.spotShadowMatrix.value=e.state.spotShadowMatrix,c.pointShadowMap.value=e.state.pointShadowMap,
 c.pointShadowMatrix.value=e.state.pointShadowMatrix);a=d.program.getUniforms();a=Cb.seqWithValue(a.seq,c);d.uniformsList=a}function k(a,b,c,d){ba.resetTextureUnits();var e=Z.get(c),f=G.state.lights;He&&(ta||a!==X)&&Oa.setState(c.clippingPlanes,c.clipIntersection,c.clipShadows,a,e,a===X&&c.id===ha);!1===c.needsUpdate&&(void 0===e.program?c.needsUpdate=!0:c.fog&&e.fog!==b?c.needsUpdate=!0:e.needsLights&&e.lightsStateVersion!==f.state.version?c.needsUpdate=!0:void 0===e.numClippingPlanes||e.numClippingPlanes===
@@ -497,22 +497,22 @@ this.metalnessMap&&this.metalnessMap.isTexture&&(d.metalnessMap=this.metalnessMa
 (d.transparent=this.transparent);d.depthFunc=this.depthFunc;d.depthTest=this.depthTest;d.depthWrite=this.depthWrite;d.stencilWrite=this.stencilWrite;d.stencilWriteMask=this.stencilWriteMask;d.stencilFunc=this.stencilFunc;d.stencilRef=this.stencilRef;d.stencilFuncMask=this.stencilFuncMask;d.stencilFail=this.stencilFail;d.stencilZFail=this.stencilZFail;d.stencilZPass=this.stencilZPass;this.rotation&&0!==this.rotation&&(d.rotation=this.rotation);!0===this.polygonOffset&&(d.polygonOffset=!0);0!==this.polygonOffsetFactor&&
 (d.polygonOffsetFactor=this.polygonOffsetFactor);0!==this.polygonOffsetUnits&&(d.polygonOffsetUnits=this.polygonOffsetUnits);this.linewidth&&1!==this.linewidth&&(d.linewidth=this.linewidth);void 0!==this.dashSize&&(d.dashSize=this.dashSize);void 0!==this.gapSize&&(d.gapSize=this.gapSize);void 0!==this.scale&&(d.scale=this.scale);!0===this.dithering&&(d.dithering=!0);0<this.alphaTest&&(d.alphaTest=this.alphaTest);!0===this.premultipliedAlpha&&(d.premultipliedAlpha=this.premultipliedAlpha);!0===this.wireframe&&
 (d.wireframe=this.wireframe);1<this.wireframeLinewidth&&(d.wireframeLinewidth=this.wireframeLinewidth);"round"!==this.wireframeLinecap&&(d.wireframeLinecap=this.wireframeLinecap);"round"!==this.wireframeLinejoin&&(d.wireframeLinejoin=this.wireframeLinejoin);!0===this.morphTargets&&(d.morphTargets=!0);!0===this.morphNormals&&(d.morphNormals=!0);!0===this.skinning&&(d.skinning=!0);!1===this.visible&&(d.visible=!1);!1===this.toneMapped&&(d.toneMapped=!1);"{}"!==JSON.stringify(this.userData)&&(d.userData=
-this.userData);c&&(c=b(a.textures),a=b(a.images),0<c.length&&(d.textures=c),0<a.length&&(d.images=a));return d},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.fog=a.fog;this.blending=a.blending;this.side=a.side;this.flatShading=a.flatShading;this.vertexColors=a.vertexColors;this.opacity=a.opacity;this.transparent=a.transparent;this.blendSrc=a.blendSrc;this.blendDst=a.blendDst;this.blendEquation=a.blendEquation;this.blendSrcAlpha=a.blendSrcAlpha;this.blendDstAlpha=
-a.blendDstAlpha;this.blendEquationAlpha=a.blendEquationAlpha;this.depthFunc=a.depthFunc;this.depthTest=a.depthTest;this.depthWrite=a.depthWrite;this.stencilWrite=a.stencilWrite;this.stencilWriteMask=a.stencilWriteMask;this.stencilFunc=a.stencilFunc;this.stencilRef=a.stencilRef;this.stencilFuncMask=a.stencilFuncMask;this.stencilFail=a.stencilFail;this.stencilZFail=a.stencilZFail;this.stencilZPass=a.stencilZPass;this.colorWrite=a.colorWrite;this.precision=a.precision;this.polygonOffset=a.polygonOffset;
-this.polygonOffsetFactor=a.polygonOffsetFactor;this.polygonOffsetUnits=a.polygonOffsetUnits;this.dithering=a.dithering;this.alphaTest=a.alphaTest;this.premultipliedAlpha=a.premultipliedAlpha;this.visible=a.visible;this.toneMapped=a.toneMapped;this.userData=JSON.parse(JSON.stringify(a.userData));this.clipShadows=a.clipShadows;this.clipIntersection=a.clipIntersection;var b=a.clippingPlanes,c=null;if(null!==b){var d=b.length;c=Array(d);for(var e=0;e!==d;++e)c[e]=b[e].clone()}this.clippingPlanes=c;this.shadowSide=
-a.shadowSide;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});Ga.prototype=Object.create(N.prototype);Ga.prototype.constructor=Ga;Ga.prototype.isMeshBasicMaterial=!0;Ga.prototype.copy=function(a){N.prototype.copy.call(this,a);this.color.copy(a.color);this.map=a.map;this.lightMap=a.lightMap;this.lightMapIntensity=a.lightMapIntensity;this.aoMap=a.aoMap;this.aoMapIntensity=a.aoMapIntensity;this.specularMap=a.specularMap;this.alphaMap=a.alphaMap;this.envMap=a.envMap;this.combine=
-a.combine;this.reflectivity=a.reflectivity;this.refractionRatio=a.refractionRatio;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;this.wireframeLinecap=a.wireframeLinecap;this.wireframeLinejoin=a.wireframeLinejoin;this.skinning=a.skinning;this.morphTargets=a.morphTargets;return this};Object.defineProperty(O.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.assign(O.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(a){this.usage=
-a;return this},copy:function(a){this.name=a.name;this.array=new a.array.constructor(a.array);this.itemSize=a.itemSize;this.count=a.count;this.normalized=a.normalized;this.usage=a.usage;return this},copyAt:function(a,b,c){a*=this.itemSize;c*=b.itemSize;for(var d=0,e=this.itemSize;d<e;d++)this.array[a+d]=b.array[c+d];return this},copyArray:function(a){this.array.set(a);return this},copyColorsArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",
-d),f=new J);b[c++]=f.r;b[c++]=f.g;b[c++]=f.b}return this},copyVector2sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",d),f=new B);b[c++]=f.x;b[c++]=f.y}return this},copyVector3sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",d),f=new n);b[c++]=f.x;b[c++]=f.y;
-b[c++]=f.z}return this},copyVector4sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",d),f=new da);b[c++]=f.x;b[c++]=f.y;b[c++]=f.z;b[c++]=f.w}return this},set:function(a,b){void 0===b&&(b=0);this.array.set(a,b);return this},getX:function(a){return this.array[a*this.itemSize]},setX:function(a,b){this.array[a*this.itemSize]=b;return this},getY:function(a){return this.array[a*this.itemSize+
-1]},setY:function(a,b){this.array[a*this.itemSize+1]=b;return this},getZ:function(a){return this.array[a*this.itemSize+2]},setZ:function(a,b){this.array[a*this.itemSize+2]=b;return this},getW:function(a){return this.array[a*this.itemSize+3]},setW:function(a,b){this.array[a*this.itemSize+3]=b;return this},setXY:function(a,b,c){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;return this},setXYZ:function(a,b,c,d){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;this.array[a+2]=d;return this},
-setXYZW:function(a,b,c,d,e){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;this.array[a+2]=d;this.array[a+3]=e;return this},onUpload:function(a){this.onUploadCallback=a;return this},clone:function(){return(new this.constructor(this.array,this.itemSize)).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}});xd.prototype=Object.create(O.prototype);xd.prototype.constructor=xd;yd.prototype=
-Object.create(O.prototype);yd.prototype.constructor=yd;zd.prototype=Object.create(O.prototype);zd.prototype.constructor=zd;Ad.prototype=Object.create(O.prototype);Ad.prototype.constructor=Ad;Sb.prototype=Object.create(O.prototype);Sb.prototype.constructor=Sb;Bd.prototype=Object.create(O.prototype);Bd.prototype.constructor=Bd;Tb.prototype=Object.create(O.prototype);Tb.prototype.constructor=Tb;A.prototype=Object.create(O.prototype);A.prototype.constructor=A;Cd.prototype=Object.create(O.prototype);Cd.prototype.constructor=
-Cd;Object.assign(ih.prototype,{computeGroups:function(a){var b=[],c=void 0;a=a.faces;for(var d=0;d<a.length;d++){var e=a[d];if(e.materialIndex!==c){c=e.materialIndex;void 0!==f&&(f.count=3*d-f.start,b.push(f));var f={start:3*d,materialIndex:c}}}void 0!==f&&(f.count=3*d-f.start,b.push(f));this.groups=b},fromGeometry:function(a){var b=a.faces,c=a.vertices,d=a.faceVertexUvs,e=d[0]&&0<d[0].length,f=d[1]&&0<d[1].length,g=a.morphTargets,h=g.length;if(0<h){var l=[];for(var m=0;m<h;m++)l[m]={name:g[m].name,
-data:[]};this.morphTargets.position=l}var k=a.morphNormals,n=k.length;if(0<n){var u=[];for(m=0;m<n;m++)u[m]={name:k[m].name,data:[]};this.morphTargets.normal=u}var p=a.skinIndices,t=a.skinWeights,v=p.length===c.length,y=t.length===c.length;0<c.length&&0===b.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(m=0;m<b.length;m++){var w=b[m];this.vertices.push(c[w.a],c[w.b],c[w.c]);var x=w.vertexNormals;3===x.length?this.normals.push(x[0],x[1],x[2]):(x=w.normal,
-this.normals.push(x,x,x));x=w.vertexColors;3===x.length?this.colors.push(x[0],x[1],x[2]):(x=w.color,this.colors.push(x,x,x));!0===e&&(x=d[0][m],void 0!==x?this.uvs.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",m),this.uvs.push(new B,new B,new B)));!0===f&&(x=d[1][m],void 0!==x?this.uvs2.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",m),this.uvs2.push(new B,new B,new B)));for(x=0;x<h;x++){var A=g[x].vertices;
-l[x].data.push(A[w.a],A[w.b],A[w.c])}for(x=0;x<n;x++)A=k[x].vertexNormals[m],u[x].data.push(A.a,A.b,A.c);v&&this.skinIndices.push(p[w.a],p[w.b],p[w.c]);y&&this.skinWeights.push(t[w.a],t[w.b],t[w.c])}this.computeGroups(a);this.verticesNeedUpdate=a.verticesNeedUpdate;this.normalsNeedUpdate=a.normalsNeedUpdate;this.colorsNeedUpdate=a.colorsNeedUpdate;this.uvsNeedUpdate=a.uvsNeedUpdate;this.groupsNeedUpdate=a.groupsNeedUpdate;null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());null!==
-a.boundingBox&&(this.boundingBox=a.boundingBox.clone());return this}});var Vi=1,jb=new Q,Ug=new D,Af=new n,rc=new $a,Vg=new $a,Ya=new n;E.prototype=Object.assign(Object.create(Ba.prototype),{constructor:E,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(a){Array.isArray(a)?this.index=new (65535<jh(a)?Tb:Sb)(a,1):this.index=a},getAttribute:function(a){return this.attributes[a]},setAttribute:function(a,b){this.attributes[a]=b;return this},deleteAttribute:function(a){delete this.attributes[a];
+this.userData);c&&(c=b(a.textures),a=b(a.images),0<c.length&&(d.textures=c),0<a.length&&(d.images=a));return d},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.fog=a.fog;this.blending=a.blending;this.side=a.side;this.flatShading=a.flatShading;this.vertexTangents=a.vertexTangents;this.vertexColors=a.vertexColors;this.opacity=a.opacity;this.transparent=a.transparent;this.blendSrc=a.blendSrc;this.blendDst=a.blendDst;this.blendEquation=a.blendEquation;
+this.blendSrcAlpha=a.blendSrcAlpha;this.blendDstAlpha=a.blendDstAlpha;this.blendEquationAlpha=a.blendEquationAlpha;this.depthFunc=a.depthFunc;this.depthTest=a.depthTest;this.depthWrite=a.depthWrite;this.stencilWriteMask=a.stencilWriteMask;this.stencilFunc=a.stencilFunc;this.stencilRef=a.stencilRef;this.stencilFuncMask=a.stencilFuncMask;this.stencilFail=a.stencilFail;this.stencilZFail=a.stencilZFail;this.stencilZPass=a.stencilZPass;this.stencilWrite=a.stencilWrite;var b=a.clippingPlanes,c=null;if(null!==
+b){var d=b.length;c=Array(d);for(var e=0;e!==d;++e)c[e]=b[e].clone()}this.clippingPlanes=c;this.clipIntersection=a.clipIntersection;this.clipShadows=a.clipShadows;this.shadowSide=a.shadowSide;this.colorWrite=a.colorWrite;this.precision=a.precision;this.polygonOffset=a.polygonOffset;this.polygonOffsetFactor=a.polygonOffsetFactor;this.polygonOffsetUnits=a.polygonOffsetUnits;this.dithering=a.dithering;this.alphaTest=a.alphaTest;this.premultipliedAlpha=a.premultipliedAlpha;this.visible=a.visible;this.toneMapped=
+a.toneMapped;this.userData=JSON.parse(JSON.stringify(a.userData));return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});Ga.prototype=Object.create(N.prototype);Ga.prototype.constructor=Ga;Ga.prototype.isMeshBasicMaterial=!0;Ga.prototype.copy=function(a){N.prototype.copy.call(this,a);this.color.copy(a.color);this.map=a.map;this.lightMap=a.lightMap;this.lightMapIntensity=a.lightMapIntensity;this.aoMap=a.aoMap;this.aoMapIntensity=a.aoMapIntensity;this.specularMap=a.specularMap;this.alphaMap=
+a.alphaMap;this.envMap=a.envMap;this.combine=a.combine;this.reflectivity=a.reflectivity;this.refractionRatio=a.refractionRatio;this.wireframe=a.wireframe;this.wireframeLinewidth=a.wireframeLinewidth;this.wireframeLinecap=a.wireframeLinecap;this.wireframeLinejoin=a.wireframeLinejoin;this.skinning=a.skinning;this.morphTargets=a.morphTargets;return this};Object.defineProperty(O.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.assign(O.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},
+setUsage:function(a){this.usage=a;return this},copy:function(a){this.name=a.name;this.array=new a.array.constructor(a.array);this.itemSize=a.itemSize;this.count=a.count;this.normalized=a.normalized;this.usage=a.usage;return this},copyAt:function(a,b,c){a*=this.itemSize;c*=b.itemSize;for(var d=0,e=this.itemSize;d<e;d++)this.array[a+d]=b.array[c+d];return this},copyArray:function(a){this.array.set(a);return this},copyColorsArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];
+void 0===f&&(console.warn("THREE.BufferAttribute.copyColorsArray(): color is undefined",d),f=new J);b[c++]=f.r;b[c++]=f.g;b[c++]=f.b}return this},copyVector2sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector2sArray(): vector is undefined",d),f=new B);b[c++]=f.x;b[c++]=f.y}return this},copyVector3sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector3sArray(): vector is undefined",
+d),f=new n);b[c++]=f.x;b[c++]=f.y;b[c++]=f.z}return this},copyVector4sArray:function(a){for(var b=this.array,c=0,d=0,e=a.length;d<e;d++){var f=a[d];void 0===f&&(console.warn("THREE.BufferAttribute.copyVector4sArray(): vector is undefined",d),f=new da);b[c++]=f.x;b[c++]=f.y;b[c++]=f.z;b[c++]=f.w}return this},set:function(a,b){void 0===b&&(b=0);this.array.set(a,b);return this},getX:function(a){return this.array[a*this.itemSize]},setX:function(a,b){this.array[a*this.itemSize]=b;return this},getY:function(a){return this.array[a*
+this.itemSize+1]},setY:function(a,b){this.array[a*this.itemSize+1]=b;return this},getZ:function(a){return this.array[a*this.itemSize+2]},setZ:function(a,b){this.array[a*this.itemSize+2]=b;return this},getW:function(a){return this.array[a*this.itemSize+3]},setW:function(a,b){this.array[a*this.itemSize+3]=b;return this},setXY:function(a,b,c){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;return this},setXYZ:function(a,b,c,d){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;this.array[a+2]=
+d;return this},setXYZW:function(a,b,c,d,e){a*=this.itemSize;this.array[a+0]=b;this.array[a+1]=c;this.array[a+2]=d;this.array[a+3]=e;return this},onUpload:function(a){this.onUploadCallback=a;return this},clone:function(){return(new this.constructor(this.array,this.itemSize)).copy(this)},toJSON:function(){return{itemSize:this.itemSize,type:this.array.constructor.name,array:Array.prototype.slice.call(this.array),normalized:this.normalized}}});xd.prototype=Object.create(O.prototype);xd.prototype.constructor=
+xd;yd.prototype=Object.create(O.prototype);yd.prototype.constructor=yd;zd.prototype=Object.create(O.prototype);zd.prototype.constructor=zd;Ad.prototype=Object.create(O.prototype);Ad.prototype.constructor=Ad;Sb.prototype=Object.create(O.prototype);Sb.prototype.constructor=Sb;Bd.prototype=Object.create(O.prototype);Bd.prototype.constructor=Bd;Tb.prototype=Object.create(O.prototype);Tb.prototype.constructor=Tb;A.prototype=Object.create(O.prototype);A.prototype.constructor=A;Cd.prototype=Object.create(O.prototype);
+Cd.prototype.constructor=Cd;Object.assign(ih.prototype,{computeGroups:function(a){var b=[],c=void 0;a=a.faces;for(var d=0;d<a.length;d++){var e=a[d];if(e.materialIndex!==c){c=e.materialIndex;void 0!==f&&(f.count=3*d-f.start,b.push(f));var f={start:3*d,materialIndex:c}}}void 0!==f&&(f.count=3*d-f.start,b.push(f));this.groups=b},fromGeometry:function(a){var b=a.faces,c=a.vertices,d=a.faceVertexUvs,e=d[0]&&0<d[0].length,f=d[1]&&0<d[1].length,g=a.morphTargets,h=g.length;if(0<h){var l=[];for(var m=0;m<
+h;m++)l[m]={name:g[m].name,data:[]};this.morphTargets.position=l}var k=a.morphNormals,n=k.length;if(0<n){var u=[];for(m=0;m<n;m++)u[m]={name:k[m].name,data:[]};this.morphTargets.normal=u}var p=a.skinIndices,t=a.skinWeights,v=p.length===c.length,y=t.length===c.length;0<c.length&&0===b.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(m=0;m<b.length;m++){var w=b[m];this.vertices.push(c[w.a],c[w.b],c[w.c]);var x=w.vertexNormals;3===x.length?this.normals.push(x[0],
+x[1],x[2]):(x=w.normal,this.normals.push(x,x,x));x=w.vertexColors;3===x.length?this.colors.push(x[0],x[1],x[2]):(x=w.color,this.colors.push(x,x,x));!0===e&&(x=d[0][m],void 0!==x?this.uvs.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ",m),this.uvs.push(new B,new B,new B)));!0===f&&(x=d[1][m],void 0!==x?this.uvs2.push(x[0],x[1],x[2]):(console.warn("THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ",m),this.uvs2.push(new B,new B,new B)));for(x=0;x<
+h;x++){var A=g[x].vertices;l[x].data.push(A[w.a],A[w.b],A[w.c])}for(x=0;x<n;x++)A=k[x].vertexNormals[m],u[x].data.push(A.a,A.b,A.c);v&&this.skinIndices.push(p[w.a],p[w.b],p[w.c]);y&&this.skinWeights.push(t[w.a],t[w.b],t[w.c])}this.computeGroups(a);this.verticesNeedUpdate=a.verticesNeedUpdate;this.normalsNeedUpdate=a.normalsNeedUpdate;this.colorsNeedUpdate=a.colorsNeedUpdate;this.uvsNeedUpdate=a.uvsNeedUpdate;this.groupsNeedUpdate=a.groupsNeedUpdate;null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());
+null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());return this}});var Vi=1,jb=new Q,Ug=new D,Af=new n,rc=new $a,Vg=new $a,Ya=new n;E.prototype=Object.assign(Object.create(Ba.prototype),{constructor:E,isBufferGeometry:!0,getIndex:function(){return this.index},setIndex:function(a){Array.isArray(a)?this.index=new (65535<jh(a)?Tb:Sb)(a,1):this.index=a},getAttribute:function(a){return this.attributes[a]},setAttribute:function(a,b){this.attributes[a]=b;return this},deleteAttribute:function(a){delete this.attributes[a];
 return this},addGroup:function(a,b,c){this.groups.push({start:a,count:b,materialIndex:void 0!==c?c:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(a,b){this.drawRange.start=a;this.drawRange.count=b},applyMatrix:function(a){var b=this.attributes.position;void 0!==b&&(a.applyToBufferAttribute(b),b.needsUpdate=!0);var c=this.attributes.normal;void 0!==c&&(b=(new Z).getNormalMatrix(a),b.applyToBufferAttribute(c),c.needsUpdate=!0);c=this.attributes.tangent;void 0!==c&&(b=(new Z).getNormalMatrix(a),
 b.applyToBufferAttribute(c),c.needsUpdate=!0);null!==this.boundingBox&&this.computeBoundingBox();null!==this.boundingSphere&&this.computeBoundingSphere();return this},rotateX:function(a){jb.makeRotationX(a);this.applyMatrix(jb);return this},rotateY:function(a){jb.makeRotationY(a);this.applyMatrix(jb);return this},rotateZ:function(a){jb.makeRotationZ(a);this.applyMatrix(jb);return this},translate:function(a,b,c){jb.makeTranslation(a,b,c);this.applyMatrix(jb);return this},scale:function(a,b,c){jb.makeScale(a,
 b,c);this.applyMatrix(jb);return this},lookAt:function(a){Ug.lookAt(a);Ug.updateMatrix();this.applyMatrix(Ug.matrix);return this},center:function(){this.computeBoundingBox();this.boundingBox.getCenter(Af).negate();this.translate(Af.x,Af.y,Af.z);return this},setFromObject:function(a){var b=a.geometry;if(a.isPoints||a.isLine){a=new A(3*b.vertices.length,3);var c=new A(3*b.colors.length,3);this.setAttribute("position",a.copyVector3sArray(b.vertices));this.setAttribute("color",c.copyColorsArray(b.colors));

build/three.module.js

@@ -8655,6 +8655,7 @@ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 		this.blending = source.blending;
 		this.side = source.side;
 		this.flatShading = source.flatShading;
+		this.vertexTangents = source.vertexTangents;
 		this.vertexColors = source.vertexColors;
 
 		this.opacity = source.opacity;
@@ -8671,7 +8672,6 @@ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 		this.depthTest = source.depthTest;
 		this.depthWrite = source.depthWrite;
 
-		this.stencilWrite = source.stencilWrite;
 		this.stencilWriteMask = source.stencilWriteMask;
 		this.stencilFunc = source.stencilFunc;
 		this.stencilRef = source.stencilRef;
@@ -8679,6 +8679,26 @@ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 		this.stencilFail = source.stencilFail;
 		this.stencilZFail = source.stencilZFail;
 		this.stencilZPass = source.stencilZPass;
+		this.stencilWrite = source.stencilWrite;
+
+		var srcPlanes = source.clippingPlanes,
+			dstPlanes = null;
+
+		if ( srcPlanes !== null ) {
+
+			var n = srcPlanes.length;
+			dstPlanes = new Array( n );
+
+			for ( var i = 0; i !== n; ++ i )
+				dstPlanes[ i ] = srcPlanes[ i ].clone();
+
+		}
+
+		this.clippingPlanes = dstPlanes;
+		this.clipIntersection = source.clipIntersection;
+		this.clipShadows = source.clipShadows;
+
+		this.shadowSide = source.shadowSide;
 
 		this.colorWrite = source.colorWrite;
 
@@ -8699,26 +8719,6 @@ Material.prototype = Object.assign( Object.create( EventDispatcher.prototype ),
 
 		this.userData = JSON.parse( JSON.stringify( source.userData ) );
 
-		this.clipShadows = source.clipShadows;
-		this.clipIntersection = source.clipIntersection;
-
-		var srcPlanes = source.clippingPlanes,
-			dstPlanes = null;
-
-		if ( srcPlanes !== null ) {
-
-			var n = srcPlanes.length;
-			dstPlanes = new Array( n );
-
-			for ( var i = 0; i !== n; ++ i )
-				dstPlanes[ i ] = srcPlanes[ i ].clone();
-
-		}
-
-		this.clippingPlanes = dstPlanes;
-
-		this.shadowSide = source.shadowSide;
-
 		return this;
 
 	},
@@ -17642,7 +17642,7 @@ function generateEnvMapBlendingDefine( parameters ) {
 
 }
 
-function WebGLProgram( renderer, extensions, code, material, shader, parameters ) {
+function WebGLProgram( renderer, extensions, cacheKey, material, shader, parameters ) {
 
 	var gl = renderer.getContext();
 
@@ -18149,7 +18149,7 @@ function WebGLProgram( renderer, extensions, code, material, shader, parameters
 
 	this.name = shader.name;
 	this.id = programIdCount ++;
-	this.code = code;
+	this.cacheKey = cacheKey;
 	this.usedTimes = 1;
 	this.program = program;
 	this.vertexShader = glVertexShader;
@@ -18399,7 +18399,7 @@ function WebGLPrograms( renderer, extensions, capabilities ) {
 
 	};
 
-	this.getProgramCode = function ( material, parameters ) {
+	this.getProgramCacheKey = function ( material, parameters ) {
 
 		var array = [];
 
@@ -18441,18 +18441,18 @@ function WebGLPrograms( renderer, extensions, capabilities ) {
 
 	};
 
-	this.acquireProgram = function ( material, shader, parameters, code ) {
+	this.acquireProgram = function ( material, shader, parameters, cacheKey ) {
 
 		var program;
 
 		// Check if code has been already compiled
 		for ( var p = 0, pl = programs.length; p < pl; p ++ ) {
 
-			var programInfo = programs[ p ];
+			var preexistingProgram = programs[ p ];
 
-			if ( programInfo.code === code ) {
+			if ( preexistingProgram.cacheKey === cacheKey ) {
 
-				program = programInfo;
+				program = preexistingProgram;
 				++ program.usedTimes;
 
 				break;
@@ -18463,7 +18463,7 @@ function WebGLPrograms( renderer, extensions, capabilities ) {
 
 		if ( program === undefined ) {
 
-			program = new WebGLProgram( renderer, extensions, code, material, shader, parameters );
+			program = new WebGLProgram( renderer, extensions, cacheKey, material, shader, parameters );
 			programs.push( program );
 
 		}
@@ -24882,7 +24882,7 @@ function WebGLRenderer( parameters ) {
 		var parameters = programCache.getParameters(
 			material, lights.state, shadowsArray, fog, _clipping.numPlanes, _clipping.numIntersection, object );
 
-		var code = programCache.getProgramCode( material, parameters );
+		var programCacheKey = programCache.getProgramCacheKey( material, parameters );
 
 		var program = materialProperties.program;
 		var programChange = true;
@@ -24892,7 +24892,7 @@ function WebGLRenderer( parameters ) {
 			// new material
 			material.addEventListener( 'dispose', onMaterialDispose );
 
-		} else if ( program.code !== code ) {
+		} else if ( program.cacheKey !== programCacheKey ) {
 
 			// changed glsl or parameters
 			releaseMaterialProgramReference( material );
@@ -24941,10 +24941,10 @@ function WebGLRenderer( parameters ) {
 
 			material.onBeforeCompile( materialProperties.shader, _this );
 
-			// Computing code again as onBeforeCompile may have changed the shaders
-			code = programCache.getProgramCode( material, parameters );
+			// Computing cache key again as onBeforeCompile may have changed the shaders
+			programCacheKey = programCache.getProgramCacheKey( material, parameters );
 
-			program = programCache.acquireProgram( material, materialProperties.shader, parameters, code );
+			program = programCache.acquireProgram( material, materialProperties.shader, parameters, programCacheKey );
 
 			materialProperties.program = program;
 			material.program = program;