Updated builds.

build/three.js

@@ -10229,19 +10229,31 @@ THREE.Geometry.prototype = {
 
 		}
 
-		var uvs = this.faceVertexUvs[ 0 ];
+		for ( var i = 0, il = this.faceVertexUvs.length; i < il; i ++ ) {
 
-		for ( var i = 0, il = uvs.length; i < il; i ++ ) {
+			var faceVertexUvs = this.faceVertexUvs[ i ];
 
-			var uv = uvs[ i ], uvCopy = [];
+			if ( geometry.faceVertexUvs[ i ] === undefined ) {
 
-			for ( var j = 0, jl = uv.length; j < jl; j ++ ) {
-
-				uvCopy.push( new THREE.Vector2( uv[ j ].x, uv[ j ].y ) );
+				geometry.faceVertexUvs[ i ] = [];
 
 			}
 
-			geometry.faceVertexUvs[ 0 ].push( uvCopy );
+			for ( var j = 0, jl = faceVertexUvs.length; j < jl; j ++ ) {
+
+				var uvs = faceVertexUvs[ j ], uvsCopy = [];
+
+				for ( var k = 0, kl = uvs.length; k < kl; k ++ ) {
+
+					var uv = uvs[ k ];
+
+					uvsCopy.push( uv.clone() );
+
+				}
+
+				geometry.faceVertexUvs[ i ].push( uvsCopy );
+
+			}
 
 		}
 

build/three.min.js

@@ -216,10 +216,10 @@ n.push(d)}}},mergeMesh:function(a){!1===a instanceof THREE.Mesh?console.error("T
 g;f++)for(e=this.faces[f],e.a=c[e.a],e.b=c[e.b],e.c=c[e.c],e=[e.a,e.b,e.c],d=0;3>d;d++)if(e[d]==e[(d+1)%3]){a.push(f);break}for(f=a.length-1;0<=f;f--)for(e=a[f],this.faces.splice(e,1),c=0,g=this.faceVertexUvs.length;c<g;c++)this.faceVertexUvs[c].splice(e,1);f=this.vertices.length-b.length;this.vertices=b;return f},toJSON:function(){function a(a,b,c){return c?a|1<<b:a&~(1<<b)}function b(a){var b=a.x.toString()+a.y.toString()+a.z.toString();if(void 0!==n[b])return n[b];n[b]=k.length/3;k.push(a.x,a.y,
 a.z);return n[b]}function c(a){var b=a.r.toString()+a.g.toString()+a.b.toString();if(void 0!==q[b])return q[b];q[b]=p.length;p.push(a.getHex());return q[b]}function d(a){var b=a.x.toString()+a.y.toString();if(void 0!==t[b])return t[b];t[b]=m.length/2;m.push(a.x,a.y);return t[b]}var e={metadata:{version:4,type:"BufferGeometry",generator:"BufferGeometryExporter"},uuid:this.uuid,type:this.type};""!==this.name&&(e.name=this.name);if(void 0!==this.parameters){var f=this.parameters,g;for(g in f)void 0!==
 f[g]&&(e[g]=f[g]);return e}f=[];for(g=0;g<this.vertices.length;g++){var h=this.vertices[g];f.push(h.x,h.y,h.z)}var h=[],k=[],n={},p=[],q={},m=[],t={};for(g=0;g<this.faces.length;g++){var s=this.faces[g],r=void 0!==this.faceVertexUvs[0][g],u=0<s.normal.length(),v=0<s.vertexNormals.length,y=1!==s.color.r||1!==s.color.g||1!==s.color.b,L=0<s.vertexColors.length,x=0,x=a(x,0,0),x=a(x,1,!1),x=a(x,2,!1),x=a(x,3,r),x=a(x,4,u),x=a(x,5,v),x=a(x,6,y),x=a(x,7,L);h.push(x);h.push(s.a,s.b,s.c);r&&(r=this.faceVertexUvs[0][g],
-h.push(d(r[0]),d(r[1]),d(r[2])));u&&h.push(b(s.normal));v&&(u=s.vertexNormals,h.push(b(u[0]),b(u[1]),b(u[2])));y&&h.push(c(s.color));L&&(s=s.vertexColors,h.push(c(s[0]),c(s[1]),c(s[2])))}e.data={};e.data.vertices=f;e.data.normals=k;0<p.length&&(e.data.colors=p);0<m.length&&(e.data.uvs=[m]);e.data.faces=h;return e},clone:function(){for(var a=new THREE.Geometry,b=this.vertices,c=0,d=b.length;c<d;c++)a.vertices.push(b[c].clone());b=this.faces;c=0;for(d=b.length;c<d;c++)a.faces.push(b[c].clone());b=this.faceVertexUvs[0];
-c=0;for(d=b.length;c<d;c++){for(var e=b[c],f=[],g=0,h=e.length;g<h;g++)f.push(new THREE.Vector2(e[g].x,e[g].y));a.faceVertexUvs[0].push(f)}return a},dispose:function(){this.dispatchEvent({type:"dispose"})}};THREE.EventDispatcher.prototype.apply(THREE.Geometry.prototype);THREE.GeometryIdCount=0;THREE.Camera=function(){THREE.Object3D.call(this);this.type="Camera";this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4};THREE.Camera.prototype=Object.create(THREE.Object3D.prototype);
-THREE.Camera.prototype.constructor=THREE.Camera;THREE.Camera.prototype.getWorldDirection=function(){var a=new THREE.Quaternion;return function(b){b=b||new THREE.Vector3;this.getWorldQuaternion(a);return b.set(0,0,-1).applyQuaternion(a)}}();THREE.Camera.prototype.lookAt=function(){var a=new THREE.Matrix4;return function(b){a.lookAt(this.position,b,this.up);this.quaternion.setFromRotationMatrix(a)}}();
-THREE.Camera.prototype.clone=function(a){void 0===a&&(a=new THREE.Camera);THREE.Object3D.prototype.clone.call(this,a);a.matrixWorldInverse.copy(this.matrixWorldInverse);a.projectionMatrix.copy(this.projectionMatrix);return a};
+h.push(d(r[0]),d(r[1]),d(r[2])));u&&h.push(b(s.normal));v&&(u=s.vertexNormals,h.push(b(u[0]),b(u[1]),b(u[2])));y&&h.push(c(s.color));L&&(s=s.vertexColors,h.push(c(s[0]),c(s[1]),c(s[2])))}e.data={};e.data.vertices=f;e.data.normals=k;0<p.length&&(e.data.colors=p);0<m.length&&(e.data.uvs=[m]);e.data.faces=h;return e},clone:function(){for(var a=new THREE.Geometry,b=this.vertices,c=0,d=b.length;c<d;c++)a.vertices.push(b[c].clone());b=this.faces;c=0;for(d=b.length;c<d;c++)a.faces.push(b[c].clone());c=0;
+for(d=this.faceVertexUvs.length;c<d;c++){b=this.faceVertexUvs[c];void 0===a.faceVertexUvs[c]&&(a.faceVertexUvs[c]=[]);for(var e=0,f=b.length;e<f;e++){for(var g=b[e],h=[],k=0,n=g.length;k<n;k++)h.push(g[k].clone());a.faceVertexUvs[c].push(h)}}return a},dispose:function(){this.dispatchEvent({type:"dispose"})}};THREE.EventDispatcher.prototype.apply(THREE.Geometry.prototype);THREE.GeometryIdCount=0;
+THREE.Camera=function(){THREE.Object3D.call(this);this.type="Camera";this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4};THREE.Camera.prototype=Object.create(THREE.Object3D.prototype);THREE.Camera.prototype.constructor=THREE.Camera;THREE.Camera.prototype.getWorldDirection=function(){var a=new THREE.Quaternion;return function(b){b=b||new THREE.Vector3;this.getWorldQuaternion(a);return b.set(0,0,-1).applyQuaternion(a)}}();
+THREE.Camera.prototype.lookAt=function(){var a=new THREE.Matrix4;return function(b){a.lookAt(this.position,b,this.up);this.quaternion.setFromRotationMatrix(a)}}();THREE.Camera.prototype.clone=function(a){void 0===a&&(a=new THREE.Camera);THREE.Object3D.prototype.clone.call(this,a);a.matrixWorldInverse.copy(this.matrixWorldInverse);a.projectionMatrix.copy(this.projectionMatrix);return a};
 THREE.CubeCamera=function(a,b,c){THREE.Object3D.call(this);this.type="CubeCamera";var d=new THREE.PerspectiveCamera(90,1,a,b);d.up.set(0,-1,0);d.lookAt(new THREE.Vector3(1,0,0));this.add(d);var e=new THREE.PerspectiveCamera(90,1,a,b);e.up.set(0,-1,0);e.lookAt(new THREE.Vector3(-1,0,0));this.add(e);var f=new THREE.PerspectiveCamera(90,1,a,b);f.up.set(0,0,1);f.lookAt(new THREE.Vector3(0,1,0));this.add(f);var g=new THREE.PerspectiveCamera(90,1,a,b);g.up.set(0,0,-1);g.lookAt(new THREE.Vector3(0,-1,0));
 this.add(g);var h=new THREE.PerspectiveCamera(90,1,a,b);h.up.set(0,-1,0);h.lookAt(new THREE.Vector3(0,0,1));this.add(h);var k=new THREE.PerspectiveCamera(90,1,a,b);k.up.set(0,-1,0);k.lookAt(new THREE.Vector3(0,0,-1));this.add(k);this.renderTarget=new THREE.WebGLRenderTargetCube(c,c,{format:THREE.RGBFormat,magFilter:THREE.LinearFilter,minFilter:THREE.LinearFilter});this.updateCubeMap=function(a,b){var c=this.renderTarget,m=c.generateMipmaps;c.generateMipmaps=!1;c.activeCubeFace=0;a.render(b,d,c);c.activeCubeFace=
 1;a.render(b,e,c);c.activeCubeFace=2;a.render(b,f,c);c.activeCubeFace=3;a.render(b,g,c);c.activeCubeFace=4;a.render(b,h,c);c.generateMipmaps=m;c.activeCubeFace=5;a.render(b,k,c)}};THREE.CubeCamera.prototype=Object.create(THREE.Object3D.prototype);THREE.CubeCamera.prototype.constructor=THREE.CubeCamera;
@@ -446,8 +446,8 @@ a[0]}function q(a){if(!1!==a.visible){if(!(a instanceof THREE.Scene||a instanceo
 l.createBuffer();c.__webglColorBuffer=l.createBuffer();c.__webglLineDistanceBuffer=l.createBuffer();J.info.memory.geometries++;var d=c.vertices.length;c.__vertexArray=new Float32Array(3*d);c.__colorArray=new Float32Array(3*d);c.__lineDistanceArray=new Float32Array(1*d);c.__webglLineCount=d;b(a);c.verticesNeedUpdate=!0;c.colorsNeedUpdate=!0;c.lineDistancesNeedUpdate=!0}}else a instanceof THREE.PointCloud&&void 0===c.__webglVertexBuffer&&(c.__webglVertexBuffer=l.createBuffer(),c.__webglColorBuffer=
 l.createBuffer(),J.info.memory.geometries++,d=c.vertices.length,c.__vertexArray=new Float32Array(3*d),c.__colorArray=new Float32Array(3*d),c.__sortArray=[],c.__webglParticleCount=d,b(a),c.verticesNeedUpdate=!0,c.colorsNeedUpdate=!0);if(void 0===a.__webglActive)if(a.__webglActive=!0,a instanceof THREE.Mesh)if(c instanceof THREE.BufferGeometry)u(Ca,c,a);else{if(c instanceof THREE.Geometry)for(var c=jb[c.id],d=0,e=c.length;d<e;d++)u(Ca,c[d],a)}else a instanceof THREE.Line||a instanceof THREE.PointCloud?
 u(Ca,c,a):(a instanceof THREE.ImmediateRenderObject||a.immediateRenderCallback)&&Ia.push({id:null,object:a,opaque:null,transparent:null,z:0});if(a instanceof THREE.Light)oa.push(a);else if(a instanceof THREE.Sprite)eb.push(a);else if(a instanceof THREE.LensFlare)fb.push(a);else if((c=Ca[a.id])&&(!1===a.frustumCulled||!0===kb.intersectsObject(a)))for(d=0,e=c.length;d<e;d++){var f=c[d],g=f,h=g.object,k=g.buffer,m=h.geometry,h=h.material;h instanceof THREE.MeshFaceMaterial?(h=h.materials[m instanceof
-THREE.BufferGeometry?0:k.materialIndex],g.material=h,h.transparent?Sa.push(g):xa.push(g)):h&&(g.material=h,h.transparent?Sa.push(g):xa.push(g));f.render=!0;!0===J.sortObjects&&(null!==a.renderDepth?f.z=a.renderDepth:(Da.setFromMatrixPosition(a.matrixWorld),Da.applyProjection(ub),f.z=Da.z))}}d=0;for(e=a.children.length;d<e;d++)q(a.children[d])}}function m(a,b,c,d,e,f){for(var g,h=a.length-1;-1!==h;h--){g=a[h];var l=g.object,k=g.buffer;F(l,b);if(f)g=f;else{g=g.material;if(!g)continue;e&&J.setBlending(g.blending,
-g.blendEquation,g.blendSrc,g.blendDst);J.setDepthTest(g.depthTest);J.setDepthWrite(g.depthWrite);A(g.polygonOffset,g.polygonOffsetFactor,g.polygonOffsetUnits)}J.setMaterialFaces(g);k instanceof THREE.BufferGeometry?J.renderBufferDirect(b,c,d,g,k,l):J.renderBuffer(b,c,d,g,k,l)}}function t(a,b,c,d,e,f,g){for(var h,l=0,k=a.length;l<k;l++){h=a[l];var m=h.object;if(m.visible){if(g)h=g;else{h=h[b];if(!h)continue;f&&J.setBlending(h.blending,h.blendEquation,h.blendSrc,h.blendDst);J.setDepthTest(h.depthTest);
+THREE.BufferGeometry?0:k.materialIndex],g.material=h,h.transparent?Sa.push(g):xa.push(g)):h&&(g.material=h,h.transparent?Sa.push(g):xa.push(g));f.render=!0;!0===J.sortObjects&&(null!==a.renderDepth?f.z=a.renderDepth:(Da.setFromMatrixPosition(a.matrixWorld),Da.applyProjection(ub),f.z=Da.z))}}d=0;for(e=a.children.length;d<e;d++)q(a.children[d])}}function m(a,b,c,d,e,f){for(var g,h=a.length-1;-1!==h;h--){g=a[h];var k=g.object,l=g.buffer;F(k,b);if(f)g=f;else{g=g.material;if(!g)continue;e&&J.setBlending(g.blending,
+g.blendEquation,g.blendSrc,g.blendDst);J.setDepthTest(g.depthTest);J.setDepthWrite(g.depthWrite);A(g.polygonOffset,g.polygonOffsetFactor,g.polygonOffsetUnits)}J.setMaterialFaces(g);l instanceof THREE.BufferGeometry?J.renderBufferDirect(b,c,d,g,l,k):J.renderBuffer(b,c,d,g,l,k)}}function t(a,b,c,d,e,f,g){for(var h,k=0,l=a.length;k<l;k++){h=a[k];var m=h.object;if(m.visible){if(g)h=g;else{h=h[b];if(!h)continue;f&&J.setBlending(h.blending,h.blendEquation,h.blendSrc,h.blendDst);J.setDepthTest(h.depthTest);
 J.setDepthWrite(h.depthWrite);A(h.polygonOffset,h.polygonOffsetFactor,h.polygonOffsetUnits)}J.renderImmediateObject(c,d,e,h,m)}}}function s(a){var b=a.object.material;b.transparent?(a.transparent=b,a.opaque=null):(a.opaque=b,a.transparent=null)}function r(a,b){var d=a.material,e=!1;if(void 0===jb[b.id]||!0===b.groupsNeedUpdate){delete Ca[a.id];for(var f=jb,g=b.id,d=d instanceof THREE.MeshFaceMaterial,h=aa.get("OES_element_index_uint")?4294967296:65535,k,e={},m=b.morphTargets.length,n=b.morphNormals.length,
 p,q={},r=[],t=0,s=b.faces.length;t<s;t++){k=b.faces[t];var v=d?k.materialIndex:0;v in e||(e[v]={hash:v,counter:0});k=e[v].hash+"_"+e[v].counter;k in q||(p={id:jc++,faces3:[],materialIndex:v,vertices:0,numMorphTargets:m,numMorphNormals:n},q[k]=p,r.push(p));q[k].vertices+3>h&&(e[v].counter+=1,k=e[v].hash+"_"+e[v].counter,k in q||(p={id:jc++,faces3:[],materialIndex:v,vertices:0,numMorphTargets:m,numMorphNormals:n},q[k]=p,r.push(p)));q[k].faces3.push(t);q[k].vertices+=3}f[g]=r;b.groupsNeedUpdate=!1}f=
 jb[b.id];g=0;for(d=f.length;g<d;g++){h=f[g];if(void 0===h.__webglVertexBuffer){e=h;e.__webglVertexBuffer=l.createBuffer();e.__webglNormalBuffer=l.createBuffer();e.__webglTangentBuffer=l.createBuffer();e.__webglColorBuffer=l.createBuffer();e.__webglUVBuffer=l.createBuffer();e.__webglUV2Buffer=l.createBuffer();e.__webglSkinIndicesBuffer=l.createBuffer();e.__webglSkinWeightsBuffer=l.createBuffer();e.__webglFaceBuffer=l.createBuffer();e.__webglLineBuffer=l.createBuffer();n=m=void 0;if(e.numMorphTargets)for(e.__webglMorphTargetsBuffers=