diff --git a/build/three.js b/build/three.js
index c623528bbd4edc3ffeb0f5d1a093bdbfaa701382..f54127494fd8f88dfee81f32efa3f2097764f75c 100644
--- a/build/three.js
+++ b/build/three.js
@@ -32873,7 +32873,7 @@ THREE.PlaneGeometry = function ( width, height, widthSegments, heightSegments )
 			face.vertexNormals.push( normal.clone(), normal.clone(), normal.clone() );
 
 			this.faces.push( face );
-			this.faceVertexUvs[ 0 ].push( [ uvb, uvc, uvd ] );
+			this.faceVertexUvs[ 0 ].push( [ uvb.clone(), uvc, uvd.clone() ] );
 
 		}
 
@@ -33041,7 +33041,7 @@ THREE.SphereGeometry = function ( radius, widthSegments, heightSegments, phiStar
 				this.faceVertexUvs[ 0 ].push( [ uv1, uv2, uv4 ] );
 
 				this.faces.push( new THREE.Face3( v2, v3, v4, [ n2, n3, n4 ] ) );
-				this.faceVertexUvs[ 0 ].push( [ uv2, uv3, uv4 ] );
+				this.faceVertexUvs[ 0 ].push( [ uv2.clone(), uv3, uv4.clone() ] );
 
 			}
 
@@ -33276,7 +33276,7 @@ THREE.TorusKnotGeometry = function ( radius, tube, radialSegments, tubularSegmen
 			this.faceVertexUvs[ 0 ].push( [ uva, uvb, uvd ] );
 
 			this.faces.push( new THREE.Face3( b, c, d ) );
-			this.faceVertexUvs[ 0 ].push( [ uvb, uvc, uvd ] );
+			this.faceVertexUvs[ 0 ].push( [ uvb.clone(), uvc, uvd.clone() ] );
 
 		}
 	}
@@ -33420,7 +33420,7 @@ THREE.TubeGeometry = function( path, segments, radius, radialSegments, closed )
 			this.faceVertexUvs[ 0 ].push( [ uva, uvb, uvd ] );
 
 			this.faces.push( new THREE.Face3( b, c, d ) );
-			this.faceVertexUvs[ 0 ].push( [ uvb, uvc, uvd ] );
+			this.faceVertexUvs[ 0 ].push( [ uvb.clone(), uvc, uvd.clone() ] );
 
 		}
 	}
@@ -33930,7 +33930,7 @@ THREE.ParametricGeometry = function ( func, slices, stacks ) {
 			uvs.push( [ uva, uvb, uvd ] );
 
 			faces.push( new THREE.Face3( b, c, d ) );
-			uvs.push( [ uvb, uvc, uvd ] );
+			uvs.push( [ uvb.clone(), uvc, uvd.clone() ] );
 
 		}
 
diff --git a/build/three.min.js b/build/three.min.js
index 382419135a7fc9ab50f9070a4fc645fbc61ddba7..5331a710b804de0e58ed2598103236a8f984213f 100644
--- a/build/three.min.js
+++ b/build/three.min.js
@@ -620,25 +620,25 @@ THREE.ExtrudeGeometry.__v5=new THREE.Vector2;THREE.ExtrudeGeometry.__v6=new THRE
 THREE.ShapeGeometry.prototype.addShape=function(a,b){void 0===b&&(b={});var c=b.material,d=void 0===b.UVGenerator?THREE.ExtrudeGeometry.WorldUVGenerator:b.UVGenerator,e,f,h,g=this.vertices.length;e=a.extractPoints(void 0!==b.curveSegments?b.curveSegments:12);var i=e.shape,k=e.holes;if(!THREE.Shape.Utils.isClockWise(i)){i=i.reverse();e=0;for(f=k.length;e<f;e++)h=k[e],THREE.Shape.Utils.isClockWise(h)&&(k[e]=h.reverse())}var m=THREE.Shape.Utils.triangulateShape(i,k);e=0;for(f=k.length;e<f;e++)h=k[e],
 i=i.concat(h);k=i.length;f=m.length;for(e=0;e<k;e++)h=i[e],this.vertices.push(new THREE.Vector3(h.x,h.y,0));for(e=0;e<f;e++)k=m[e],i=k[0]+g,h=k[1]+g,k=k[2]+g,this.faces.push(new THREE.Face3(i,h,k,null,null,c)),this.faceVertexUvs[0].push(d.generateBottomUV(this,a,b,i,h,k))};THREE.LatheGeometry=function(a,b,c,d){THREE.Geometry.call(this);for(var b=b||12,c=c||0,d=d||2*Math.PI,e=1/(a.length-1),f=1/b,h=0,g=b;h<=g;h++)for(var i=c+h*f*d,k=Math.cos(i),m=Math.sin(i),i=0,l=a.length;i<l;i++){var n=a[i],t=new THREE.Vector3;t.x=k*n.x-m*n.y;t.y=m*n.x+k*n.y;t.z=n.z;this.vertices.push(t)}c=a.length;h=0;for(g=b;h<g;h++){i=0;for(l=a.length-1;i<l;i++){var b=m=i+c*h,d=m+c,k=m+1+c,m=m+1,n=h*f,t=i*e,q=n+f,p=t+e;this.faces.push(new THREE.Face3(b,d,m));this.faceVertexUvs[0].push([new THREE.Vector2(n,
 t),new THREE.Vector2(q,t),new THREE.Vector2(n,p)]);this.faces.push(new THREE.Face3(d,k,m));this.faceVertexUvs[0].push([new THREE.Vector2(q,t),new THREE.Vector2(q,p),new THREE.Vector2(n,p)])}}this.mergeVertices();this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.LatheGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.PlaneGeometry=function(a,b,c,d){THREE.Geometry.call(this);this.width=a;this.height=b;this.widthSegments=c||1;this.heightSegments=d||1;for(var e=a/2,f=b/2,c=this.widthSegments,d=this.heightSegments,h=c+1,g=d+1,i=this.width/c,k=this.height/d,m=new THREE.Vector3(0,0,1),a=0;a<g;a++)for(b=0;b<h;b++)this.vertices.push(new THREE.Vector3(b*i-e,-(a*k-f),0));for(a=0;a<d;a++)for(b=0;b<c;b++){var l=b+h*a,e=b+h*(a+1),f=b+1+h*(a+1),g=b+1+h*a,i=new THREE.Vector2(b/c,1-a/d),k=new THREE.Vector2(b/c,1-(a+1)/
-d),n=new THREE.Vector2((b+1)/c,1-(a+1)/d),t=new THREE.Vector2((b+1)/c,1-a/d),l=new THREE.Face3(l,e,g);l.normal.copy(m);l.vertexNormals.push(m.clone(),m.clone(),m.clone());this.faces.push(l);this.faceVertexUvs[0].push([i,k,t]);l=new THREE.Face3(e,f,g);l.normal.copy(m);l.vertexNormals.push(m.clone(),m.clone(),m.clone());this.faces.push(l);this.faceVertexUvs[0].push([k,n,t])}this.computeCentroids()};THREE.PlaneGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.RingGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);for(var a=a||0,b=b||50,e=void 0!==e?e:0,f=void 0!==f?f:2*Math.PI,c=void 0!==c?Math.max(3,c):8,d=void 0!==d?Math.max(3,d):8,h=[],g=a,i=(b-a)/d,a=0;a<=d;a++){for(b=0;b<=c;b++){var k=new THREE.Vector3,m=e+b/c*f;k.x=g*Math.cos(m);k.y=g*Math.sin(m);this.vertices.push(k);h.push(new THREE.Vector2((k.x/g+1)/2,-(k.y/g+1)/2+1))}g+=i}e=new THREE.Vector3(0,0,1);for(a=0;a<d;a++){f=a*c;for(b=0;b<=c;b++){var m=b+f,i=m+a,k=m+c+a,l=m+c+1+a;this.faces.push(new THREE.Face3(i,
+d),n=new THREE.Vector2((b+1)/c,1-(a+1)/d),t=new THREE.Vector2((b+1)/c,1-a/d),l=new THREE.Face3(l,e,g);l.normal.copy(m);l.vertexNormals.push(m.clone(),m.clone(),m.clone());this.faces.push(l);this.faceVertexUvs[0].push([i,k,t]);l=new THREE.Face3(e,f,g);l.normal.copy(m);l.vertexNormals.push(m.clone(),m.clone(),m.clone());this.faces.push(l);this.faceVertexUvs[0].push([k.clone(),n,t.clone()])}this.computeCentroids()};THREE.PlaneGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.RingGeometry=function(a,b,c,d,e,f){THREE.Geometry.call(this);for(var a=a||0,b=b||50,e=void 0!==e?e:0,f=void 0!==f?f:2*Math.PI,c=void 0!==c?Math.max(3,c):8,d=void 0!==d?Math.max(3,d):8,h=[],g=a,i=(b-a)/d,a=0;a<=d;a++){for(b=0;b<=c;b++){var k=new THREE.Vector3,m=e+b/c*f;k.x=g*Math.cos(m);k.y=g*Math.sin(m);this.vertices.push(k);h.push(new THREE.Vector2((k.x/g+1)/2,-(k.y/g+1)/2+1))}g+=i}e=new THREE.Vector3(0,0,1);for(a=0;a<d;a++){f=a*c;for(b=0;b<=c;b++){var m=b+f,i=m+a,k=m+c+a,l=m+c+1+a;this.faces.push(new THREE.Face3(i,
 k,l,[e,e,e]));this.faceVertexUvs[0].push([h[i],h[k],h[l]]);i=m+a;k=m+c+1+a;l=m+1+a;this.faces.push(new THREE.Face3(i,k,l,[e,e,e]));this.faceVertexUvs[0].push([h[i],h[k],h[l]])}}this.computeCentroids();this.computeFaceNormals();this.boundingSphere=new THREE.Sphere(new THREE.Vector3,g)};THREE.RingGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.SphereGeometry=function(a,b,c,d,e,f,h){THREE.Geometry.call(this);this.radius=a=a||50;this.widthSegments=b=Math.max(3,Math.floor(b)||8);this.heightSegments=c=Math.max(2,Math.floor(c)||6);this.phiStart=d=void 0!==d?d:0;this.phiLength=e=void 0!==e?e:2*Math.PI;this.thetaStart=f=void 0!==f?f:0;this.thetaLength=h=void 0!==h?h:Math.PI;var g,i,k=[],m=[];for(i=0;i<=c;i++){var l=[],n=[];for(g=0;g<=b;g++){var t=g/b,q=i/c,p=new THREE.Vector3;p.x=-a*Math.cos(d+t*e)*Math.sin(f+q*h);p.y=a*Math.cos(f+q*h);
 p.z=a*Math.sin(d+t*e)*Math.sin(f+q*h);this.vertices.push(p);l.push(this.vertices.length-1);n.push(new THREE.Vector2(t,1-q))}k.push(l);m.push(n)}for(i=0;i<this.heightSegments;i++)for(g=0;g<this.widthSegments;g++){var b=k[i][g+1],c=k[i][g],d=k[i+1][g],e=k[i+1][g+1],f=this.vertices[b].clone().normalize(),h=this.vertices[c].clone().normalize(),l=this.vertices[d].clone().normalize(),n=this.vertices[e].clone().normalize(),t=m[i][g+1].clone(),q=m[i][g].clone(),p=m[i+1][g].clone(),r=m[i+1][g+1].clone();Math.abs(this.vertices[b].y)===
-this.radius?(this.faces.push(new THREE.Face3(b,d,e,[f,l,n])),this.faceVertexUvs[0].push([t,p,r])):Math.abs(this.vertices[d].y)===this.radius?(this.faces.push(new THREE.Face3(b,c,d,[f,h,l])),this.faceVertexUvs[0].push([t,q,p])):(this.faces.push(new THREE.Face3(b,c,e,[f,h,n])),this.faceVertexUvs[0].push([t,q,r]),this.faces.push(new THREE.Face3(c,d,e,[h,l,n])),this.faceVertexUvs[0].push([q,p,r]))}this.computeCentroids();this.computeFaceNormals();this.boundingSphere=new THREE.Sphere(new THREE.Vector3,
+this.radius?(this.faces.push(new THREE.Face3(b,d,e,[f,l,n])),this.faceVertexUvs[0].push([t,p,r])):Math.abs(this.vertices[d].y)===this.radius?(this.faces.push(new THREE.Face3(b,c,d,[f,h,l])),this.faceVertexUvs[0].push([t,q,p])):(this.faces.push(new THREE.Face3(b,c,e,[f,h,n])),this.faceVertexUvs[0].push([t,q,r]),this.faces.push(new THREE.Face3(c,d,e,[h,l,n])),this.faceVertexUvs[0].push([q.clone(),p,r.clone()]))}this.computeCentroids();this.computeFaceNormals();this.boundingSphere=new THREE.Sphere(new THREE.Vector3,
 a)};THREE.SphereGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TextGeometry=function(a,b){var b=b||{},c=THREE.FontUtils.generateShapes(a,b);b.amount=void 0!==b.height?b.height:50;void 0===b.bevelThickness&&(b.bevelThickness=10);void 0===b.bevelSize&&(b.bevelSize=8);void 0===b.bevelEnabled&&(b.bevelEnabled=!1);THREE.ExtrudeGeometry.call(this,c,b)};THREE.TextGeometry.prototype=Object.create(THREE.ExtrudeGeometry.prototype);THREE.TorusGeometry=function(a,b,c,d,e){THREE.Geometry.call(this);this.radius=a||100;this.tube=b||40;this.radialSegments=c||8;this.tubularSegments=d||6;this.arc=e||2*Math.PI;e=new THREE.Vector3;a=[];b=[];for(c=0;c<=this.radialSegments;c++)for(d=0;d<=this.tubularSegments;d++){var f=d/this.tubularSegments*this.arc,h=2*c/this.radialSegments*Math.PI;e.x=this.radius*Math.cos(f);e.y=this.radius*Math.sin(f);var g=new THREE.Vector3;g.x=(this.radius+this.tube*Math.cos(h))*Math.cos(f);g.y=(this.radius+this.tube*
 Math.cos(h))*Math.sin(f);g.z=this.tube*Math.sin(h);this.vertices.push(g);a.push(new THREE.Vector2(d/this.tubularSegments,c/this.radialSegments));b.push(g.clone().sub(e).normalize())}for(c=1;c<=this.radialSegments;c++)for(d=1;d<=this.tubularSegments;d++){var e=(this.tubularSegments+1)*c+d-1,f=(this.tubularSegments+1)*(c-1)+d-1,h=(this.tubularSegments+1)*(c-1)+d,g=(this.tubularSegments+1)*c+d,i=new THREE.Face3(e,f,g,[b[e],b[f],b[g]]);i.normal.add(b[e]);i.normal.add(b[f]);i.normal.add(b[g]);i.normal.normalize();
 this.faces.push(i);this.faceVertexUvs[0].push([a[e].clone(),a[f].clone(),a[g].clone()]);i=new THREE.Face3(f,h,g,[b[f],b[h],b[g]]);i.normal.add(b[f]);i.normal.add(b[h]);i.normal.add(b[g]);i.normal.normalize();this.faces.push(i);this.faceVertexUvs[0].push([a[f].clone(),a[h].clone(),a[g].clone()])}this.computeCentroids()};THREE.TorusGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TorusKnotGeometry=function(a,b,c,d,e,f,h){function g(a,b,c,d,e){var f=Math.cos(a),g=Math.sin(a),a=b/c*a,b=Math.cos(a),f=0.5*(d*(2+b))*f,g=0.5*d*(2+b)*g,d=0.5*e*d*Math.sin(a);return new THREE.Vector3(f,g,d)}THREE.Geometry.call(this);this.radius=a||100;this.tube=b||40;this.radialSegments=c||64;this.tubularSegments=d||8;this.p=e||2;this.q=f||3;this.heightScale=h||1;this.grid=Array(this.radialSegments);c=new THREE.Vector3;d=new THREE.Vector3;e=new THREE.Vector3;for(a=0;a<this.radialSegments;++a){this.grid[a]=
 Array(this.tubularSegments);b=2*(a/this.radialSegments)*this.p*Math.PI;f=g(b,this.q,this.p,this.radius,this.heightScale);b=g(b+0.01,this.q,this.p,this.radius,this.heightScale);c.subVectors(b,f);d.addVectors(b,f);e.crossVectors(c,d);d.crossVectors(e,c);e.normalize();d.normalize();for(b=0;b<this.tubularSegments;++b){var i=2*(b/this.tubularSegments)*Math.PI,h=-this.tube*Math.cos(i),i=this.tube*Math.sin(i),k=new THREE.Vector3;k.x=f.x+h*d.x+i*e.x;k.y=f.y+h*d.y+i*e.y;k.z=f.z+h*d.z+i*e.z;this.grid[a][b]=
 this.vertices.push(k)-1}}for(a=0;a<this.radialSegments;++a)for(b=0;b<this.tubularSegments;++b){var e=(a+1)%this.radialSegments,f=(b+1)%this.tubularSegments,c=this.grid[a][b],d=this.grid[e][b],e=this.grid[e][f],f=this.grid[a][f],h=new THREE.Vector2(a/this.radialSegments,b/this.tubularSegments),i=new THREE.Vector2((a+1)/this.radialSegments,b/this.tubularSegments),k=new THREE.Vector2((a+1)/this.radialSegments,(b+1)/this.tubularSegments),m=new THREE.Vector2(a/this.radialSegments,(b+1)/this.tubularSegments);
-this.faces.push(new THREE.Face3(c,d,f));this.faceVertexUvs[0].push([h,i,m]);this.faces.push(new THREE.Face3(d,e,f));this.faceVertexUvs[0].push([i,k,m])}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TorusKnotGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TubeGeometry=function(a,b,c,d,e){THREE.Geometry.call(this);this.path=a;this.segments=b||64;this.radius=c||1;this.radialSegments=d||8;this.closed=e||!1;this.grid=[];var f,h,d=this.segments+1,g,i,k,e=new THREE.Vector3,m,l,b=new THREE.TubeGeometry.FrenetFrames(this.path,this.segments,this.closed);m=b.normals;l=b.binormals;this.tangents=b.tangents;this.normals=m;this.binormals=l;for(b=0;b<d;b++){this.grid[b]=[];c=b/(d-1);k=a.getPointAt(c);f=m[b];h=l[b];for(c=0;c<this.radialSegments;c++)g=2*(c/this.radialSegments)*
+this.faces.push(new THREE.Face3(c,d,f));this.faceVertexUvs[0].push([h,i,m]);this.faces.push(new THREE.Face3(d,e,f));this.faceVertexUvs[0].push([i.clone(),k,m.clone()])}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TorusKnotGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TubeGeometry=function(a,b,c,d,e){THREE.Geometry.call(this);this.path=a;this.segments=b||64;this.radius=c||1;this.radialSegments=d||8;this.closed=e||!1;this.grid=[];var f,h,d=this.segments+1,g,i,k,e=new THREE.Vector3,m,l,b=new THREE.TubeGeometry.FrenetFrames(this.path,this.segments,this.closed);m=b.normals;l=b.binormals;this.tangents=b.tangents;this.normals=m;this.binormals=l;for(b=0;b<d;b++){this.grid[b]=[];c=b/(d-1);k=a.getPointAt(c);f=m[b];h=l[b];for(c=0;c<this.radialSegments;c++)g=2*(c/this.radialSegments)*
 Math.PI,i=-this.radius*Math.cos(g),g=this.radius*Math.sin(g),e.copy(k),e.x+=i*f.x+g*h.x,e.y+=i*f.y+g*h.y,e.z+=i*f.z+g*h.z,this.grid[b][c]=this.vertices.push(new THREE.Vector3(e.x,e.y,e.z))-1}for(b=0;b<this.segments;b++)for(c=0;c<this.radialSegments;c++)e=this.closed?(b+1)%this.segments:b+1,m=(c+1)%this.radialSegments,a=this.grid[b][c],d=this.grid[e][c],e=this.grid[e][m],m=this.grid[b][m],l=new THREE.Vector2(b/this.segments,c/this.radialSegments),f=new THREE.Vector2((b+1)/this.segments,c/this.radialSegments),
-h=new THREE.Vector2((b+1)/this.segments,(c+1)/this.radialSegments),i=new THREE.Vector2(b/this.segments,(c+1)/this.radialSegments),this.faces.push(new THREE.Face3(a,d,m)),this.faceVertexUvs[0].push([l,f,i]),this.faces.push(new THREE.Face3(d,e,m)),this.faceVertexUvs[0].push([f,h,i]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
+h=new THREE.Vector2((b+1)/this.segments,(c+1)/this.radialSegments),i=new THREE.Vector2(b/this.segments,(c+1)/this.radialSegments),this.faces.push(new THREE.Face3(a,d,m)),this.faceVertexUvs[0].push([l,f,i]),this.faces.push(new THREE.Face3(d,e,m)),this.faceVertexUvs[0].push([f.clone(),h,i.clone()]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.TubeGeometry.prototype=Object.create(THREE.Geometry.prototype);
 THREE.TubeGeometry.FrenetFrames=function(a,b,c){new THREE.Vector3;var d=new THREE.Vector3;new THREE.Vector3;var e=[],f=[],h=[],g=new THREE.Vector3,i=new THREE.Matrix4,b=b+1,k,m,l;this.tangents=e;this.normals=f;this.binormals=h;for(k=0;k<b;k++)m=k/(b-1),e[k]=a.getTangentAt(m),e[k].normalize();f[0]=new THREE.Vector3;h[0]=new THREE.Vector3;a=Number.MAX_VALUE;k=Math.abs(e[0].x);m=Math.abs(e[0].y);l=Math.abs(e[0].z);k<=a&&(a=k,d.set(1,0,0));m<=a&&(a=m,d.set(0,1,0));l<=a&&d.set(0,0,1);g.crossVectors(e[0],
 d).normalize();f[0].crossVectors(e[0],g);h[0].crossVectors(e[0],f[0]);for(k=1;k<b;k++)f[k]=f[k-1].clone(),h[k]=h[k-1].clone(),g.crossVectors(e[k-1],e[k]),1E-4<g.length()&&(g.normalize(),d=Math.acos(THREE.Math.clamp(e[k-1].dot(e[k]),-1,1)),f[k].applyMatrix4(i.makeRotationAxis(g,d))),h[k].crossVectors(e[k],f[k]);if(c){d=Math.acos(THREE.Math.clamp(f[0].dot(f[b-1]),-1,1));d/=b-1;0<e[0].dot(g.crossVectors(f[0],f[b-1]))&&(d=-d);for(k=1;k<b;k++)f[k].applyMatrix4(i.makeRotationAxis(e[k],d*k)),h[k].crossVectors(e[k],
 f[k])}};THREE.PolyhedronGeometry=function(a,b,c,d){function e(a){var b=a.normalize().clone();b.index=g.vertices.push(b)-1;var c=Math.atan2(a.z,-a.x)/2/Math.PI+0.5,a=Math.atan2(-a.y,Math.sqrt(a.x*a.x+a.z*a.z))/Math.PI+0.5;b.uv=new THREE.Vector2(c,1-a);return b}function f(a,b,c){var d=new THREE.Face3(a.index,b.index,c.index,[a.clone(),b.clone(),c.clone()]);d.centroid.add(a).add(b).add(c).divideScalar(3);g.faces.push(d);d=Math.atan2(d.centroid.z,-d.centroid.x);g.faceVertexUvs[0].push([h(a.uv,a,d),h(b.uv,b,d),
 h(c.uv,c,d)])}function h(a,b,c){0>c&&1===a.x&&(a=new THREE.Vector2(a.x-1,a.y));0===b.x&&0===b.z&&(a=new THREE.Vector2(c/2/Math.PI+0.5,a.y));return a.clone()}THREE.Geometry.call(this);for(var c=c||1,d=d||0,g=this,i=0,k=a.length;i<k;i++)e(new THREE.Vector3(a[i][0],a[i][1],a[i][2]));for(var m=this.vertices,a=[],i=0,k=b.length;i<k;i++){var l=m[b[i][0]],n=m[b[i][1]],t=m[b[i][2]];a[i]=new THREE.Face3(l.index,n.index,t.index,[l.clone(),n.clone(),t.clone()])}i=0;for(k=a.length;i<k;i++){n=a[i];m=d;b=Math.pow(2,
 m);Math.pow(4,m);for(var m=e(g.vertices[n.a]),l=e(g.vertices[n.b]),q=e(g.vertices[n.c]),n=[],t=0;t<=b;t++){n[t]=[];for(var p=e(m.clone().lerp(q,t/b)),r=e(l.clone().lerp(q,t/b)),s=b-t,u=0;u<=s;u++)n[t][u]=0==u&&t==b?p:e(p.clone().lerp(r,u/s))}for(t=0;t<b;t++)for(u=0;u<2*(b-t)-1;u++)m=Math.floor(u/2),0==u%2?f(n[t][m+1],n[t+1][m],n[t][m]):f(n[t][m+1],n[t+1][m+1],n[t+1][m])}i=0;for(k=this.faceVertexUvs[0].length;i<k;i++)d=this.faceVertexUvs[0][i],a=d[0].x,b=d[1].x,m=d[2].x,l=Math.max(a,Math.max(b,m)),
 n=Math.min(a,Math.min(b,m)),0.9<l&&0.1>n&&(0.2>a&&(d[0].x+=1),0.2>b&&(d[1].x+=1),0.2>m&&(d[2].x+=1));i=0;for(k=this.vertices.length;i<k;i++)this.vertices[i].multiplyScalar(c);this.mergeVertices();this.computeCentroids();this.computeFaceNormals();this.boundingSphere=new THREE.Sphere(new THREE.Vector3,c)};THREE.PolyhedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.IcosahedronGeometry=function(a,b){this.radius=a;this.detail=b;var c=(1+Math.sqrt(5))/2;THREE.PolyhedronGeometry.call(this,[[-1,c,0],[1,c,0],[-1,-c,0],[1,-c,0],[0,-1,c],[0,1,c],[0,-1,-c],[0,1,-c],[c,0,-1],[c,0,1],[-c,0,-1],[-c,0,1]],[[0,11,5],[0,5,1],[0,1,7],[0,7,10],[0,10,11],[1,5,9],[5,11,4],[11,10,2],[10,7,6],[7,1,8],[3,9,4],[3,4,2],[3,2,6],[3,6,8],[3,8,9],[4,9,5],[2,4,11],[6,2,10],[8,6,7],[9,8,1]],a,b)};THREE.IcosahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.OctahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,0,0],[-1,0,0],[0,1,0],[0,-1,0],[0,0,1],[0,0,-1]],[[0,2,4],[0,4,3],[0,3,5],[0,5,2],[1,2,5],[1,5,3],[1,3,4],[1,4,2]],a,b)};THREE.OctahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.TetrahedronGeometry=function(a,b){THREE.PolyhedronGeometry.call(this,[[1,1,1],[-1,-1,1],[-1,1,-1],[1,-1,-1]],[[2,1,0],[0,3,2],[1,3,0],[2,3,1]],a,b)};THREE.TetrahedronGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.ParametricGeometry=function(a,b,c){THREE.Geometry.call(this);var d=this.vertices,e=this.faces,f=this.faceVertexUvs[0],h,g,i,k,m=b+1;for(h=0;h<=c;h++){k=h/c;for(g=0;g<=b;g++)i=g/b,i=a(i,k),d.push(i)}var l,n,t,q;for(h=0;h<c;h++)for(g=0;g<b;g++)a=h*m+g,d=h*m+g+1,k=(h+1)*m+g+1,i=(h+1)*m+g,l=new THREE.Vector2(g/b,h/c),n=new THREE.Vector2((g+1)/b,h/c),t=new THREE.Vector2((g+1)/b,(h+1)/c),q=new THREE.Vector2(g/b,(h+1)/c),e.push(new THREE.Face3(a,d,i)),f.push([l,n,q]),e.push(new THREE.Face3(d,k,i)),
-f.push([n,t,q]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ParametricGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.AxisHelper=function(a){var a=a||1,b=new THREE.Geometry;b.vertices.push(new THREE.Vector3,new THREE.Vector3(a,0,0),new THREE.Vector3,new THREE.Vector3(0,a,0),new THREE.Vector3,new THREE.Vector3(0,0,a));b.colors.push(new THREE.Color(16711680),new THREE.Color(16755200),new THREE.Color(65280),new THREE.Color(11206400),new THREE.Color(255),new THREE.Color(43775));a=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});THREE.Line.call(this,b,a,THREE.LinePieces)};
+f.push([n.clone(),t,q.clone()]);this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.ParametricGeometry.prototype=Object.create(THREE.Geometry.prototype);THREE.AxisHelper=function(a){var a=a||1,b=new THREE.Geometry;b.vertices.push(new THREE.Vector3,new THREE.Vector3(a,0,0),new THREE.Vector3,new THREE.Vector3(0,a,0),new THREE.Vector3,new THREE.Vector3(0,0,a));b.colors.push(new THREE.Color(16711680),new THREE.Color(16755200),new THREE.Color(65280),new THREE.Color(11206400),new THREE.Color(255),new THREE.Color(43775));a=new THREE.LineBasicMaterial({vertexColors:THREE.VertexColors});THREE.Line.call(this,b,a,THREE.LinePieces)};
 THREE.AxisHelper.prototype=Object.create(THREE.Line.prototype);THREE.ArrowHelper=function(a,b,c,d){THREE.Object3D.call(this);void 0===d&&(d=16776960);void 0===c&&(c=1);this.position=b;b=new THREE.Geometry;b.vertices.push(new THREE.Vector3(0,0,0));b.vertices.push(new THREE.Vector3(0,1,0));this.line=new THREE.Line(b,new THREE.LineBasicMaterial({color:d}));this.line.matrixAutoUpdate=!1;this.add(this.line);b=new THREE.CylinderGeometry(0,0.05,0.25,5,1);b.applyMatrix((new THREE.Matrix4).makeTranslation(0,0.875,0));this.cone=new THREE.Mesh(b,new THREE.MeshBasicMaterial({color:d}));
 this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(a);this.setLength(c)};THREE.ArrowHelper.prototype=Object.create(THREE.Object3D.prototype);THREE.ArrowHelper.prototype.setDirection=function(){var a=new THREE.Vector3,b;return function(c){0.99999<c.y?this.quaternion.set(0,0,0,1):-0.99999>c.y?this.quaternion.set(1,0,0,0):(a.set(c.z,0,-c.x).normalize(),b=Math.acos(c.y),this.quaternion.setFromAxisAngle(a,b))}}();THREE.ArrowHelper.prototype.setLength=function(a){this.scale.set(a,a,a)};
 THREE.ArrowHelper.prototype.setColor=function(a){this.line.material.color.setHex(a);this.cone.material.color.setHex(a)};THREE.BoxHelper=function(a){var b=[new THREE.Vector3(1,1,1),new THREE.Vector3(-1,1,1),new THREE.Vector3(-1,-1,1),new THREE.Vector3(1,-1,1),new THREE.Vector3(1,1,-1),new THREE.Vector3(-1,1,-1),new THREE.Vector3(-1,-1,-1),new THREE.Vector3(1,-1,-1)];this.vertices=b;var c=new THREE.Geometry;c.vertices.push(b[0],b[1],b[1],b[2],b[2],b[3],b[3],b[0],b[4],b[5],b[5],b[6],b[6],b[7],b[7],b[4],b[0],b[4],b[1],b[5],b[2],b[6],b[3],b[7]);THREE.Line.call(this,c,new THREE.LineBasicMaterial({color:16776960}),THREE.LinePieces);