diff --git a/build/three.js b/build/three.js
index b63a8fa54296e9f3f9e72efa3fdc4858211ac915..b4e62d93c0b542b8ffa4f6ad6faed3ca8e08376f 100644
--- a/build/three.js
+++ b/build/three.js
@@ -8534,7 +8534,11 @@ THREE.Projector = function () {
 
 		}
 
-		if ( sortElements === true ) _renderData.elements.sort( painterSort );
+		if ( sortElements === true ) {
+
+			_renderData.elements.sort( painterSort );
+
+		}
 
 		return _renderData;
 
@@ -10062,12 +10066,11 @@ THREE.Geometry.prototype = {
 
 		var attributes = geometry.attributes;
 
-		var indices = attributes.index !== undefined && attributes.index.array;
-		var normals = attributes.normal !== undefined && attributes.normal.array;
-		var colors = attributes.color !== undefined && attributes.color.array;
-		var uvs = attributes.uv !== undefined && attributes.uv.array;
-
 		var vertices = attributes.position.array;
+		var indices = attributes.index !== undefined ? attributes.index.array : undefined;
+		var normals = attributes.normal !== undefined ? attributes.normal.array : undefined;
+		var colors = attributes.color !== undefined ? attributes.color.array : undefined;
+		var uvs = attributes.uv !== undefined ? attributes.uv.array : undefined;
 
 		var tempNormals = [];
 		var tempUVs = [];
@@ -11053,7 +11056,7 @@ THREE.Script.prototype = {
 
 	}
 
-}
+};
 // File:src/cameras/Camera.js
 
 /**
diff --git a/build/three.min.js b/build/three.min.js
index 388add25a87381a28be6ddf2f68712a829410e6b..1ca677a37e746d299badf1ae89a9a068d0a31b0c 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -214,25 +214,25 @@ b[d];if(e instanceof h){f.array=new h(e);break}}a.attributes[c]=f}d=0;for(g=this
 THREE.Geometry=function(){this.id=THREE.GeometryIdCount++;this.uuid=THREE.Math.generateUUID();this.name="";this.type="Geometry";this.vertices=[];this.colors=[];this.faces=[];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.morphNormals=[];this.skinWeights=[];this.skinIndices=[];this.lineDistances=[];this.boundingSphere=this.boundingBox=null;this.hasTangents=!1;this.dynamic=!0;this.groupsNeedUpdate=this.buffersNeedUpdate=this.lineDistancesNeedUpdate=this.colorsNeedUpdate=this.tangentsNeedUpdate=
 this.normalsNeedUpdate=this.uvsNeedUpdate=this.elementsNeedUpdate=this.verticesNeedUpdate=!1};
 THREE.Geometry.prototype={constructor:THREE.Geometry,applyMatrix:function(a){for(var b=(new THREE.Matrix3).getNormalMatrix(a),c=0,d=this.vertices.length;c<d;c++)this.vertices[c].applyMatrix4(a);c=0;for(d=this.faces.length;c<d;c++){a=this.faces[c];a.normal.applyMatrix3(b).normalize();for(var e=0,f=a.vertexNormals.length;e<f;e++)a.vertexNormals[e].applyMatrix3(b).normalize()}this.boundingBox instanceof THREE.Box3&&this.computeBoundingBox();this.boundingSphere instanceof THREE.Sphere&&this.computeBoundingSphere()},
-fromBufferGeometry:function(a){for(var b=this,c=a.attributes,d=void 0!==c.index&&c.index.array,e=void 0!==c.normal&&c.normal.array,f=void 0!==c.color&&c.color.array,g=void 0!==c.uv&&c.uv.array,c=c.position.array,h=[],k=[],m=0,n=0;m<c.length;m+=3,n+=2)b.vertices.push(new THREE.Vector3(c[m],c[m+1],c[m+2])),void 0!==e&&h.push(new THREE.Vector3(e[m],e[m+1],e[m+2])),void 0!==f&&b.colors.push(new THREE.Color(f[m],f[m+1],f[m+2])),void 0!==g&&k.push(new THREE.Vector2(g[n],g[n+1]));g=function(a,c,d){b.faces.push(new THREE.Face3(a,
-c,d,void 0!==e?[h[a],h[c],h[d]]:[],void 0!==f?[b.colors[a],b.colors[c],b.colors[d]]:[]));b.faceVertexUvs[0].push([k[a],k[c],k[d]])};if(void 0!==d)for(m=0;m<d.length;m+=3)g(d[m],d[m+1],d[m+2]);else for(m=0;m<c.length/3;m+=3)g(m,m+1,m+2);null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());return this},center:function(){this.computeBoundingBox();var a=new THREE.Vector3;a.addVectors(this.boundingBox.min,this.boundingBox.max);
-a.multiplyScalar(-0.5);this.applyMatrix((new THREE.Matrix4).makeTranslation(a.x,a.y,a.z));this.computeBoundingBox();return a},computeFaceNormals:function(){for(var a=new THREE.Vector3,b=new THREE.Vector3,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],f=this.vertices[e.a],g=this.vertices[e.b];a.subVectors(this.vertices[e.c],g);b.subVectors(f,g);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){var b,c,d;d=Array(this.vertices.length);b=0;for(c=this.vertices.length;b<
-c;b++)d[b]=new THREE.Vector3;if(a){var e,f,g,h=new THREE.Vector3,k=new THREE.Vector3;new THREE.Vector3;new THREE.Vector3;new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],e=this.vertices[c.a],f=this.vertices[c.b],g=this.vertices[c.c],h.subVectors(g,f),k.subVectors(e,f),h.cross(k),d[c.a].add(h),d[c.b].add(h),d[c.c].add(h)}else for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],d[c.a].add(c.normal),d[c.b].add(c.normal),d[c.c].add(c.normal);b=0;for(c=this.vertices.length;b<c;b++)d[b].normalize();
-a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],c.vertexNormals[0]=d[c.a].clone(),c.vertexNormals[1]=d[c.b].clone(),c.vertexNormals[2]=d[c.c].clone()},computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?e.__originalVertexNormals[a].copy(e.vertexNormals[a]):
-e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var f=new THREE.Geometry;f.faces=this.faces;a=0;for(b=this.morphTargets.length;a<b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];e=this.morphNormals[a].faceNormals;var g=this.morphNormals[a].vertexNormals,h,k;c=0;for(d=this.faces.length;c<d;c++)h=new THREE.Vector3,k={a:new THREE.Vector3,b:new THREE.Vector3,c:new THREE.Vector3},e.push(h),g.push(k)}g=this.morphNormals[a];
-f.vertices=this.morphTargets[a].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],h=g.faceNormals[c],k=g.vertexNormals[c],h.copy(e.normal),k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])}c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){var a,b,c,d,e,f,g,h,k,m,n,p,r,q,t,s,v,x=[],u=[];c=new THREE.Vector3;
-var D=new THREE.Vector3,y=new THREE.Vector3,B=new THREE.Vector3,C=new THREE.Vector3;a=0;for(b=this.vertices.length;a<b;a++)x[a]=new THREE.Vector3,u[a]=new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)e=this.faces[a],f=this.faceVertexUvs[0][a],d=e.a,v=e.b,e=e.c,g=this.vertices[d],h=this.vertices[v],k=this.vertices[e],m=f[0],n=f[1],p=f[2],f=h.x-g.x,r=k.x-g.x,q=h.y-g.y,t=k.y-g.y,h=h.z-g.z,g=k.z-g.z,k=n.x-m.x,s=p.x-m.x,n=n.y-m.y,m=p.y-m.y,p=1/(k*m-s*n),c.set((m*f-n*r)*p,(m*q-n*t)*p,(m*h-n*g)*p),
-D.set((k*r-s*f)*p,(k*t-s*q)*p,(k*g-s*h)*p),x[d].add(c),x[v].add(c),x[e].add(c),u[d].add(D),u[v].add(D),u[e].add(D);D=["a","b","c","d"];a=0;for(b=this.faces.length;a<b;a++)for(e=this.faces[a],c=0;c<Math.min(e.vertexNormals.length,3);c++)C.copy(e.vertexNormals[c]),d=e[D[c]],v=x[d],y.copy(v),y.sub(C.multiplyScalar(C.dot(v))).normalize(),B.crossVectors(e.vertexNormals[c],v),d=B.dot(u[d]),d=0>d?-1:1,e.vertexTangents[c]=new THREE.Vector4(y.x,y.y,y.z,d);this.hasTangents=!0},computeLineDistances:function(){for(var a=
-0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(!1===a instanceof THREE.Geometry)console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",
-a);else{var d,e=this.vertices.length,f=this.vertices,g=a.vertices,h=this.faces,k=a.faces,m=this.faceVertexUvs[0];a=a.faceVertexUvs[0];void 0===c&&(c=0);void 0!==b&&(d=(new THREE.Matrix3).getNormalMatrix(b));for(var n=0,p=g.length;n<p;n++){var r=g[n].clone();void 0!==b&&r.applyMatrix4(b);f.push(r)}n=0;for(p=k.length;n<p;n++){var g=k[n],q,t=g.vertexNormals,s=g.vertexColors,r=new THREE.Face3(g.a+e,g.b+e,g.c+e);r.normal.copy(g.normal);void 0!==d&&r.normal.applyMatrix3(d).normalize();b=0;for(f=t.length;b<
-f;b++)q=t[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),r.vertexNormals.push(q);r.color.copy(g.color);b=0;for(f=s.length;b<f;b++)q=s[b],r.vertexColors.push(q.clone());r.materialIndex=g.materialIndex+c;h.push(r)}n=0;for(p=a.length;n<p;n++)if(c=a[n],d=[],void 0!==c){b=0;for(f=c.length;b<f;b++)d.push(new THREE.Vector2(c[b].x,c[b].y));m.push(d)}}},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g;f=0;for(g=this.vertices.length;f<g;f++)d=this.vertices[f],d=Math.round(d.x*e)+"_"+
-Math.round(d.y*e)+"_"+Math.round(d.z*e),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];a=[];f=0;for(g=this.faces.length;f<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},makeGroups:function(){var a=0;return function(b,
-c){var d,e,f,g,h={},k,m=this.morphTargets.length,n=this.morphNormals.length;this.geometryGroups={};this.geometryGroupsList=[];d=0;for(e=this.faces.length;d<e;d++)f=this.faces[d],f=b?f.materialIndex:0,f in h||(h[f]={hash:f,counter:0}),g=h[f].hash+"_"+h[f].counter,g in this.geometryGroups||(k={id:a++,faces3:[],materialIndex:f,vertices:0,numMorphTargets:m,numMorphNormals:n},this.geometryGroups[g]=k,this.geometryGroupsList.push(k)),this.geometryGroups[g].vertices+3>c&&(h[f].counter+=1,g=h[f].hash+"_"+
-h[f].counter,g in this.geometryGroups||(k={id:a++,faces3:[],materialIndex:f,vertices:0,numMorphTargets:m,numMorphNormals:n},this.geometryGroups[g]=k,this.geometryGroupsList.push(k))),this.geometryGroups[g].faces3.push(d),this.geometryGroups[g].vertices+=3}}(),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!==m[b])return m[b];m[b]=k.length/3;k.push(a.x,a.y,a.z);return m[b]}function c(a){var b=a.r.toString()+a.g.toString()+
-a.b.toString();if(void 0!==p[b])return p[b];p[b]=n.length;n.push(a.getHex());return p[b]}function d(a){var b=a.x.toString()+a.y.toString();if(void 0!==q[b])return q[b];q[b]=r.length/2;r.push(a.x,a.y);return q[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=[],m={},n=[],p={},r=[],q={};for(g=0;g<this.faces.length;g++){var t=this.faces[g],s=void 0!==this.faceVertexUvs[0][g],v=0<t.normal.length(),x=0<t.vertexNormals.length,u=1!==t.color.r||1!==t.color.g||1!==t.color.b,D=0<t.vertexColors.length,y=0,y=a(y,0,0),y=a(y,1,!1),y=a(y,2,!1),y=a(y,3,s),y=a(y,4,v),y=a(y,5,x),y=a(y,6,u),y=a(y,7,D);h.push(y);h.push(t.a,t.b,t.c);s&&(s=this.faceVertexUvs[0][g],h.push(d(s[0]),d(s[1]),d(s[2])));v&&h.push(b(t.normal));x&&(v=
-t.vertexNormals,h.push(b(v[0]),b(v[1]),b(v[2])));u&&h.push(c(t.color));D&&(t=t.vertexColors,h.push(c(t[0]),c(t[1]),c(t[2])))}e.data={};e.data.vertices=f;e.data.normals=k;0<n.length&&(e.data.colors=n);0<r.length&&(e.data.uvs=[r]);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.Script=function(a){this.uuid=THREE.Math.generateUUID();this.source=a};THREE.Script.prototype={constructor:THREE.Script,clone:function(){return new THREE.Script(this.source)}};
+fromBufferGeometry:function(a){for(var b=this,c=a.attributes,d=c.position.array,e=void 0!==c.index?c.index.array:void 0,f=void 0!==c.normal?c.normal.array:void 0,g=void 0!==c.color?c.color.array:void 0,h=void 0!==c.uv?c.uv.array:void 0,k=[],m=[],n=c=0;c<d.length;c+=3,n+=2)b.vertices.push(new THREE.Vector3(d[c],d[c+1],d[c+2])),void 0!==f&&k.push(new THREE.Vector3(f[c],f[c+1],f[c+2])),void 0!==g&&b.colors.push(new THREE.Color(g[c],g[c+1],g[c+2])),void 0!==h&&m.push(new THREE.Vector2(h[n],h[n+1]));h=
+function(a,c,d){b.faces.push(new THREE.Face3(a,c,d,void 0!==f?[k[a],k[c],k[d]]:[],void 0!==g?[b.colors[a],b.colors[c],b.colors[d]]:[]));b.faceVertexUvs[0].push([m[a],m[c],m[d]])};if(void 0!==e)for(c=0;c<e.length;c+=3)h(e[c],e[c+1],e[c+2]);else for(c=0;c<d.length/3;c+=3)h(c,c+1,c+2);null!==a.boundingBox&&(this.boundingBox=a.boundingBox.clone());null!==a.boundingSphere&&(this.boundingSphere=a.boundingSphere.clone());return this},center:function(){this.computeBoundingBox();var a=new THREE.Vector3;a.addVectors(this.boundingBox.min,
+this.boundingBox.max);a.multiplyScalar(-0.5);this.applyMatrix((new THREE.Matrix4).makeTranslation(a.x,a.y,a.z));this.computeBoundingBox();return a},computeFaceNormals:function(){for(var a=new THREE.Vector3,b=new THREE.Vector3,c=0,d=this.faces.length;c<d;c++){var e=this.faces[c],f=this.vertices[e.a],g=this.vertices[e.b];a.subVectors(this.vertices[e.c],g);b.subVectors(f,g);a.cross(b);a.normalize();e.normal.copy(a)}},computeVertexNormals:function(a){var b,c,d;d=Array(this.vertices.length);b=0;for(c=
+this.vertices.length;b<c;b++)d[b]=new THREE.Vector3;if(a){var e,f,g,h=new THREE.Vector3,k=new THREE.Vector3;new THREE.Vector3;new THREE.Vector3;new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],e=this.vertices[c.a],f=this.vertices[c.b],g=this.vertices[c.c],h.subVectors(g,f),k.subVectors(e,f),h.cross(k),d[c.a].add(h),d[c.b].add(h),d[c.c].add(h)}else for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],d[c.a].add(c.normal),d[c.b].add(c.normal),d[c.c].add(c.normal);b=0;for(c=this.vertices.length;b<
+c;b++)d[b].normalize();a=0;for(b=this.faces.length;a<b;a++)c=this.faces[a],c.vertexNormals[0]=d[c.a].clone(),c.vertexNormals[1]=d[c.b].clone(),c.vertexNormals[2]=d[c.c].clone()},computeMorphNormals:function(){var a,b,c,d,e;c=0;for(d=this.faces.length;c<d;c++)for(e=this.faces[c],e.__originalFaceNormal?e.__originalFaceNormal.copy(e.normal):e.__originalFaceNormal=e.normal.clone(),e.__originalVertexNormals||(e.__originalVertexNormals=[]),a=0,b=e.vertexNormals.length;a<b;a++)e.__originalVertexNormals[a]?
+e.__originalVertexNormals[a].copy(e.vertexNormals[a]):e.__originalVertexNormals[a]=e.vertexNormals[a].clone();var f=new THREE.Geometry;f.faces=this.faces;a=0;for(b=this.morphTargets.length;a<b;a++){if(!this.morphNormals[a]){this.morphNormals[a]={};this.morphNormals[a].faceNormals=[];this.morphNormals[a].vertexNormals=[];e=this.morphNormals[a].faceNormals;var g=this.morphNormals[a].vertexNormals,h,k;c=0;for(d=this.faces.length;c<d;c++)h=new THREE.Vector3,k={a:new THREE.Vector3,b:new THREE.Vector3,
+c:new THREE.Vector3},e.push(h),g.push(k)}g=this.morphNormals[a];f.vertices=this.morphTargets[a].vertices;f.computeFaceNormals();f.computeVertexNormals();c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],h=g.faceNormals[c],k=g.vertexNormals[c],h.copy(e.normal),k.a.copy(e.vertexNormals[0]),k.b.copy(e.vertexNormals[1]),k.c.copy(e.vertexNormals[2])}c=0;for(d=this.faces.length;c<d;c++)e=this.faces[c],e.normal=e.__originalFaceNormal,e.vertexNormals=e.__originalVertexNormals},computeTangents:function(){var a,
+b,c,d,e,f,g,h,k,m,n,p,r,q,t,s,v,x=[],u=[];c=new THREE.Vector3;var D=new THREE.Vector3,y=new THREE.Vector3,B=new THREE.Vector3,C=new THREE.Vector3;a=0;for(b=this.vertices.length;a<b;a++)x[a]=new THREE.Vector3,u[a]=new THREE.Vector3;a=0;for(b=this.faces.length;a<b;a++)e=this.faces[a],f=this.faceVertexUvs[0][a],d=e.a,v=e.b,e=e.c,g=this.vertices[d],h=this.vertices[v],k=this.vertices[e],m=f[0],n=f[1],p=f[2],f=h.x-g.x,r=k.x-g.x,q=h.y-g.y,t=k.y-g.y,h=h.z-g.z,g=k.z-g.z,k=n.x-m.x,s=p.x-m.x,n=n.y-m.y,m=p.y-
+m.y,p=1/(k*m-s*n),c.set((m*f-n*r)*p,(m*q-n*t)*p,(m*h-n*g)*p),D.set((k*r-s*f)*p,(k*t-s*q)*p,(k*g-s*h)*p),x[d].add(c),x[v].add(c),x[e].add(c),u[d].add(D),u[v].add(D),u[e].add(D);D=["a","b","c","d"];a=0;for(b=this.faces.length;a<b;a++)for(e=this.faces[a],c=0;c<Math.min(e.vertexNormals.length,3);c++)C.copy(e.vertexNormals[c]),d=e[D[c]],v=x[d],y.copy(v),y.sub(C.multiplyScalar(C.dot(v))).normalize(),B.crossVectors(e.vertexNormals[c],v),d=B.dot(u[d]),d=0>d?-1:1,e.vertexTangents[c]=new THREE.Vector4(y.x,
+y.y,y.z,d);this.hasTangents=!0},computeLineDistances:function(){for(var a=0,b=this.vertices,c=0,d=b.length;c<d;c++)0<c&&(a+=b[c].distanceTo(b[c-1])),this.lineDistances[c]=a},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new THREE.Box3);this.boundingBox.setFromPoints(this.vertices)},computeBoundingSphere:function(){null===this.boundingSphere&&(this.boundingSphere=new THREE.Sphere);this.boundingSphere.setFromPoints(this.vertices)},merge:function(a,b,c){if(!1===a instanceof
+THREE.Geometry)console.error("THREE.Geometry.merge(): geometry not an instance of THREE.Geometry.",a);else{var d,e=this.vertices.length,f=this.vertices,g=a.vertices,h=this.faces,k=a.faces,m=this.faceVertexUvs[0];a=a.faceVertexUvs[0];void 0===c&&(c=0);void 0!==b&&(d=(new THREE.Matrix3).getNormalMatrix(b));for(var n=0,p=g.length;n<p;n++){var r=g[n].clone();void 0!==b&&r.applyMatrix4(b);f.push(r)}n=0;for(p=k.length;n<p;n++){var g=k[n],q,t=g.vertexNormals,s=g.vertexColors,r=new THREE.Face3(g.a+e,g.b+
+e,g.c+e);r.normal.copy(g.normal);void 0!==d&&r.normal.applyMatrix3(d).normalize();b=0;for(f=t.length;b<f;b++)q=t[b].clone(),void 0!==d&&q.applyMatrix3(d).normalize(),r.vertexNormals.push(q);r.color.copy(g.color);b=0;for(f=s.length;b<f;b++)q=s[b],r.vertexColors.push(q.clone());r.materialIndex=g.materialIndex+c;h.push(r)}n=0;for(p=a.length;n<p;n++)if(c=a[n],d=[],void 0!==c){b=0;for(f=c.length;b<f;b++)d.push(new THREE.Vector2(c[b].x,c[b].y));m.push(d)}}},mergeVertices:function(){var a={},b=[],c=[],d,
+e=Math.pow(10,4),f,g;f=0;for(g=this.vertices.length;f<g;f++)d=this.vertices[f],d=Math.round(d.x*e)+"_"+Math.round(d.y*e)+"_"+Math.round(d.z*e),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];a=[];f=0;for(g=this.faces.length;f<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},makeGroups:function(){var a=0;return function(b,c){var d,e,f,g,h={},k,m=this.morphTargets.length,n=this.morphNormals.length;this.geometryGroups={};this.geometryGroupsList=[];d=0;for(e=this.faces.length;d<e;d++)f=this.faces[d],f=b?f.materialIndex:0,f in h||(h[f]={hash:f,counter:0}),g=h[f].hash+"_"+h[f].counter,g in this.geometryGroups||(k={id:a++,faces3:[],materialIndex:f,vertices:0,numMorphTargets:m,numMorphNormals:n},this.geometryGroups[g]=
+k,this.geometryGroupsList.push(k)),this.geometryGroups[g].vertices+3>c&&(h[f].counter+=1,g=h[f].hash+"_"+h[f].counter,g in this.geometryGroups||(k={id:a++,faces3:[],materialIndex:f,vertices:0,numMorphTargets:m,numMorphNormals:n},this.geometryGroups[g]=k,this.geometryGroupsList.push(k))),this.geometryGroups[g].faces3.push(d),this.geometryGroups[g].vertices+=3}}(),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!==
+m[b])return m[b];m[b]=k.length/3;k.push(a.x,a.y,a.z);return m[b]}function c(a){var b=a.r.toString()+a.g.toString()+a.b.toString();if(void 0!==p[b])return p[b];p[b]=n.length;n.push(a.getHex());return p[b]}function d(a){var b=a.x.toString()+a.y.toString();if(void 0!==q[b])return q[b];q[b]=r.length/2;r.push(a.x,a.y);return q[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=[],m={},n=[],p={},r=[],q={};for(g=0;g<this.faces.length;g++){var t=this.faces[g],s=void 0!==this.faceVertexUvs[0][g],v=0<t.normal.length(),x=0<t.vertexNormals.length,u=1!==t.color.r||1!==t.color.g||1!==t.color.b,D=0<t.vertexColors.length,y=0,y=a(y,0,0),y=a(y,1,!1),y=a(y,2,!1),y=a(y,3,s),y=a(y,4,v),y=a(y,5,x),y=a(y,6,u),y=a(y,7,D);h.push(y);
+h.push(t.a,t.b,t.c);s&&(s=this.faceVertexUvs[0][g],h.push(d(s[0]),d(s[1]),d(s[2])));v&&h.push(b(t.normal));x&&(v=t.vertexNormals,h.push(b(v[0]),b(v[1]),b(v[2])));u&&h.push(c(t.color));D&&(t=t.vertexColors,h.push(c(t[0]),c(t[1]),c(t[2])))}e.data={};e.data.vertices=f;e.data.normals=k;0<n.length&&(e.data.colors=n);0<r.length&&(e.data.uvs=[r]);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.Script=function(a){this.uuid=THREE.Math.generateUUID();this.source=a};THREE.Script.prototype={constructor:THREE.Script,clone:function(){return new THREE.Script(this.source)}};
 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.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));