Refactored bounding box and bounding sphere computation to handle geometries with zero vertices.

As per discussion in #1170

build/Three.js

@@ -91,9 +91,9 @@ this.faces[a],c instanceof THREE.Face3)c.vertexNormals=[new THREE.Vector3,new TH
 d[c.b].addSelf(c.normal),d[c.c].addSelf(c.normal),d[c.d].addSelf(c.normal));for(a=0,b=this.vertices.length;a<b;a++)d[a].normalize();for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],c instanceof THREE.Face3?(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c])):c instanceof THREE.Face4&&(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c]),c.vertexNormals[3].copy(d[c.d]))},computeTangents:function(){function a(a,
 b,c,d,f,g,Q){h=a.vertices[b].position;i=a.vertices[c].position;k=a.vertices[d].position;l=e[f];p=e[g];n=e[Q];o=i.x-h.x;q=k.x-h.x;m=i.y-h.y;r=k.y-h.y;s=i.z-h.z;t=k.z-h.z;u=p.u-l.u;x=n.u-l.u;v=p.v-l.v;B=n.v-l.v;D=1/(u*B-x*v);J.set((B*o-v*q)*D,(B*m-v*r)*D,(B*s-v*t)*D);N.set((u*q-x*o)*D,(u*r-x*m)*D,(u*t-x*s)*D);A[b].addSelf(J);A[c].addSelf(J);A[d].addSelf(J);E[b].addSelf(N);E[c].addSelf(N);E[d].addSelf(N)}var b,c,d,f,g,e,h,i,k,l,p,n,o,q,m,r,s,t,u,x,v,B,D,C,A=[],E=[],J=new THREE.Vector3,N=new THREE.Vector3,
 Y=new THREE.Vector3,K=new THREE.Vector3,O=new THREE.Vector3;for(b=0,c=this.vertices.length;b<c;b++)A[b]=new THREE.Vector3,E[b]=new THREE.Vector3;for(b=0,c=this.faces.length;b<c;b++)g=this.faces[b],e=this.faceVertexUvs[0][b],g instanceof THREE.Face3?a(this,g.a,g.b,g.c,0,1,2):g instanceof THREE.Face4&&(a(this,g.a,g.b,g.c,0,1,2),a(this,g.a,g.b,g.d,0,1,3));var M=["a","b","c","d"];for(b=0,c=this.faces.length;b<c;b++){g=this.faces[b];for(d=0;d<g.vertexNormals.length;d++)O.copy(g.vertexNormals[d]),f=g[M[d]],
-C=A[f],Y.copy(C),Y.subSelf(O.multiplyScalar(O.dot(C))).normalize(),K.cross(g.vertexNormals[d],C),f=K.dot(E[f]),f=0>f?-1:1,g.vertexTangents[d]=new THREE.Vector4(Y.x,Y.y,Y.z,f)}this.hasTangents=!0},computeBoundingBox:function(){if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox?(this.boundingBox.min.copy(a),this.boundingBox.max.copy(a)):this.boundingBox={min:a.clone(),max:a.clone()};for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,f=this.vertices.length;d<f;d++){a=
-this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}},computeBoundingSphere:function(){for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere={radius:b}},mergeVertices:function(){var a={},b=[],c=[],d,f=Math.pow(10,4),g,e;for(g=0,e=this.vertices.length;g<e;g++)d=this.vertices[g].position,d=[Math.round(d.x*f),Math.round(d.y*f),Math.round(d.z*
-f)].join("_"),void 0===a[d]?(a[d]=g,b.push(this.vertices[g]),c[g]=b.length-1):c[g]=c[a[d]];for(g=0,e=this.faces.length;g<e;g++)if(a=this.faces[g],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
+C=A[f],Y.copy(C),Y.subSelf(O.multiplyScalar(O.dot(C))).normalize(),K.cross(g.vertexNormals[d],C),f=K.dot(E[f]),f=0>f?-1:1,g.vertexTangents[d]=new THREE.Vector4(Y.x,Y.y,Y.z,f)}this.hasTangents=!0},computeBoundingBox:function(){if(!this.boundingBox)this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3};if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,f=this.vertices.length;d<
+f;d++){a=this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){if(!this.boundingSphere)this.boundingSphere={radius:0};for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere.radius=b},mergeVertices:function(){var a={},b=[],c=[],d,f=Math.pow(10,
+4),g,e;for(g=0,e=this.vertices.length;g<e;g++)d=this.vertices[g].position,d=[Math.round(d.x*f),Math.round(d.y*f),Math.round(d.z*f)].join("_"),void 0===a[d]?(a[d]=g,b.push(this.vertices[g]),c[g]=b.length-1):c[g]=c[a[d]];for(g=0,e=this.faces.length;g<e;g++)if(a=this.faces[g],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
 THREE.Spline=function(a){function b(a,b,c,d,f,e,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*e+a*f+b}this.points=a;var c=[],d={x:0,y:0,z:0},f,g,e,h,i,k,l,p,n;this.initFromArray=function(a){this.points=[];for(var b=0;b<a.length;b++)this.points[b]={x:a[b][0],y:a[b][1],z:a[b][2]}};this.getPoint=function(a){f=(this.points.length-1)*a;g=Math.floor(f);e=f-g;c[0]=0===g?g:g-1;c[1]=g;c[2]=g>this.points.length-2?g:g+1;c[3]=g>this.points.length-3?g:g+2;k=this.points[c[0]];l=this.points[c[1]];
 p=this.points[c[2]];n=this.points[c[3]];h=e*e;i=e*h;d.x=b(k.x,l.x,p.x,n.x,e,h,i);d.y=b(k.y,l.y,p.y,n.y,e,h,i);d.z=b(k.z,l.z,p.z,n.z,e,h,i);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a<c;a++)b=this.points[a],d[a]=[b.x,b.y,b.z];return d};this.getLength=function(a){var b,c,d,f=b=b=0,e=new THREE.Vector3,g=new THREE.Vector3,h=[],i=0;h[0]=0;a||(a=100);c=this.points.length*a;e.copy(this.points[0]);for(a=1;a<c;a++)b=a/c,d=this.getPoint(b),g.copy(d),i+=g.distanceTo(e),
 e.copy(d),b*=this.points.length-1,b=Math.floor(b),b!=f&&(h[b]=i,f=b);h[h.length]=i;return{chunks:h,total:i}};this.reparametrizeByArcLength=function(a){var b,c,d,f,e,g,h=[],i=new THREE.Vector3,k=this.getLength();h.push(i.copy(this.points[0]).clone());for(b=1;b<this.points.length;b++){c=k.chunks[b]-k.chunks[b-1];g=Math.ceil(a*c/k.total);f=(b-1)/(this.points.length-1);e=b/(this.points.length-1);for(c=1;c<g-1;c++)d=f+c*(1/g)*(e-f),d=this.getPoint(d),h.push(i.copy(d).clone());h.push(i.copy(this.points[b]).clone())}this.points=

build/custom/ThreeCanvas.js

@@ -90,9 +90,9 @@ this.faces[a],c instanceof THREE.Face3)c.vertexNormals=[new THREE.Vector3,new TH
 d[c.b].addSelf(c.normal),d[c.c].addSelf(c.normal),d[c.d].addSelf(c.normal));for(a=0,b=this.vertices.length;a<b;a++)d[a].normalize();for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],c instanceof THREE.Face3?(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c])):c instanceof THREE.Face4&&(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c]),c.vertexNormals[3].copy(d[c.d]))},computeTangents:function(){function a(a,
 b,c,d,e,f,F){i=a.vertices[b].position;m=a.vertices[c].position;h=a.vertices[d].position;l=g[e];o=g[f];n=g[F];j=m.x-i.x;p=h.x-i.x;k=m.y-i.y;q=h.y-i.y;x=m.z-i.z;v=h.z-i.z;I=o.u-l.u;G=n.u-l.u;w=o.v-l.v;H=n.v-l.v;A=1/(I*H-G*w);D.set((H*j-w*p)*A,(H*k-w*q)*A,(H*x-w*v)*A);J.set((I*p-G*j)*A,(I*q-G*k)*A,(I*v-G*x)*A);r[b].addSelf(D);r[c].addSelf(D);r[d].addSelf(D);s[b].addSelf(J);s[c].addSelf(J);s[d].addSelf(J)}var b,c,d,e,f,g,i,m,h,l,o,n,j,p,k,q,x,v,I,G,w,H,A,F,r=[],s=[],D=new THREE.Vector3,J=new THREE.Vector3,
 Z=new THREE.Vector3,ca=new THREE.Vector3,N=new THREE.Vector3;for(b=0,c=this.vertices.length;b<c;b++)r[b]=new THREE.Vector3,s[b]=new THREE.Vector3;for(b=0,c=this.faces.length;b<c;b++)f=this.faces[b],g=this.faceVertexUvs[0][b],f instanceof THREE.Face3?a(this,f.a,f.b,f.c,0,1,2):f instanceof THREE.Face4&&(a(this,f.a,f.b,f.c,0,1,2),a(this,f.a,f.b,f.d,0,1,3));var P=["a","b","c","d"];for(b=0,c=this.faces.length;b<c;b++){f=this.faces[b];for(d=0;d<f.vertexNormals.length;d++)N.copy(f.vertexNormals[d]),e=f[P[d]],
-F=r[e],Z.copy(F),Z.subSelf(N.multiplyScalar(N.dot(F))).normalize(),ca.cross(f.vertexNormals[d],F),e=ca.dot(s[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(Z.x,Z.y,Z.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox?(this.boundingBox.min.copy(a),this.boundingBox.max.copy(a)):this.boundingBox={min:a.clone(),max:a.clone()};for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<e;d++){a=
-this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}},computeBoundingSphere:function(){for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere={radius:b}},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g;for(f=0,g=this.vertices.length;f<g;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*
-e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
+F=r[e],Z.copy(F),Z.subSelf(N.multiplyScalar(N.dot(F))).normalize(),ca.cross(f.vertexNormals[d],F),e=ca.dot(s[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(Z.x,Z.y,Z.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(!this.boundingBox)this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3};if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<
+e;d++){a=this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){if(!this.boundingSphere)this.boundingSphere={radius:0};for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere.radius=b},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,
+4),f,g;for(f=0,g=this.vertices.length;f<g;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
 THREE.Camera=function(){if(arguments.length)return console.warn("DEPRECATED: Camera() is now PerspectiveCamera() or OrthographicCamera()."),new THREE.PerspectiveCamera(arguments[0],arguments[1],arguments[2],arguments[3]);THREE.Object3D.call(this);this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4;this.projectionMatrixInverse=new THREE.Matrix4};THREE.Camera.prototype=new THREE.Object3D;THREE.Camera.prototype.constructor=THREE.Camera;
 THREE.Camera.prototype.lookAt=function(a){this.matrix.lookAt(this.position,a,this.up);this.rotationAutoUpdate&&this.rotation.setRotationFromMatrix(this.matrix)};THREE.OrthographicCamera=function(a,b,c,d,e,f){THREE.Camera.call(this);this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:0.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()};THREE.OrthographicCamera.prototype=new THREE.Camera;THREE.OrthographicCamera.prototype.constructor=THREE.OrthographicCamera;
 THREE.OrthographicCamera.prototype.updateProjectionMatrix=function(){this.projectionMatrix=THREE.Matrix4.makeOrtho(this.left,this.right,this.top,this.bottom,this.near,this.far)};THREE.PerspectiveCamera=function(a,b,c,d){THREE.Camera.call(this);this.fov=void 0!==a?a:50;this.aspect=void 0!==b?b:1;this.near=void 0!==c?c:0.1;this.far=void 0!==d?d:2E3;this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype=new THREE.Camera;THREE.PerspectiveCamera.prototype.constructor=THREE.PerspectiveCamera;

build/custom/ThreeSVG.js

@@ -90,9 +90,9 @@ this.faces[a],c instanceof THREE.Face3)c.vertexNormals=[new THREE.Vector3,new TH
 d[c.b].addSelf(c.normal),d[c.c].addSelf(c.normal),d[c.d].addSelf(c.normal));for(a=0,b=this.vertices.length;a<b;a++)d[a].normalize();for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],c instanceof THREE.Face3?(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c])):c instanceof THREE.Face4&&(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c]),c.vertexNormals[3].copy(d[c.d]))},computeTangents:function(){function a(a,
 b,c,d,e,f,D){h=a.vertices[b].position;l=a.vertices[c].position;j=a.vertices[d].position;i=g[e];m=g[f];n=g[D];k=l.x-h.x;p=j.x-h.x;o=l.y-h.y;q=j.y-h.y;y=l.z-h.z;u=j.z-h.z;E=m.u-i.u;t=n.u-i.u;v=m.v-i.v;B=n.v-i.v;w=1/(E*B-t*v);I.set((B*k-v*p)*w,(B*o-v*q)*w,(B*y-v*u)*w);A.set((E*p-t*k)*w,(E*q-t*o)*w,(E*u-t*y)*w);G[b].addSelf(I);G[c].addSelf(I);G[d].addSelf(I);C[b].addSelf(A);C[c].addSelf(A);C[d].addSelf(A)}var b,c,d,e,f,g,h,l,j,i,m,n,k,p,o,q,y,u,E,t,v,B,w,z,G=[],C=[],I=new THREE.Vector3,A=new THREE.Vector3,
 K=new THREE.Vector3,M=new THREE.Vector3,L=new THREE.Vector3;for(b=0,c=this.vertices.length;b<c;b++)G[b]=new THREE.Vector3,C[b]=new THREE.Vector3;for(b=0,c=this.faces.length;b<c;b++)f=this.faces[b],g=this.faceVertexUvs[0][b],f instanceof THREE.Face3?a(this,f.a,f.b,f.c,0,1,2):f instanceof THREE.Face4&&(a(this,f.a,f.b,f.c,0,1,2),a(this,f.a,f.b,f.d,0,1,3));var Q=["a","b","c","d"];for(b=0,c=this.faces.length;b<c;b++){f=this.faces[b];for(d=0;d<f.vertexNormals.length;d++)L.copy(f.vertexNormals[d]),e=f[Q[d]],
-z=G[e],K.copy(z),K.subSelf(L.multiplyScalar(L.dot(z))).normalize(),M.cross(f.vertexNormals[d],z),e=M.dot(C[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(K.x,K.y,K.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox?(this.boundingBox.min.copy(a),this.boundingBox.max.copy(a)):this.boundingBox={min:a.clone(),max:a.clone()};for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<e;d++){a=
-this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}},computeBoundingSphere:function(){for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere={radius:b}},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,g;for(f=0,g=this.vertices.length;f<g;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*
-e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
+z=G[e],K.copy(z),K.subSelf(L.multiplyScalar(L.dot(z))).normalize(),M.cross(f.vertexNormals[d],z),e=M.dot(C[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(K.x,K.y,K.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(!this.boundingBox)this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3};if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<
+e;d++){a=this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){if(!this.boundingSphere)this.boundingSphere={radius:0};for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere.radius=b},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,
+4),f,g;for(f=0,g=this.vertices.length;f<g;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,g=this.faces.length;f<g;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
 THREE.Camera=function(){if(arguments.length)return console.warn("DEPRECATED: Camera() is now PerspectiveCamera() or OrthographicCamera()."),new THREE.PerspectiveCamera(arguments[0],arguments[1],arguments[2],arguments[3]);THREE.Object3D.call(this);this.matrixWorldInverse=new THREE.Matrix4;this.projectionMatrix=new THREE.Matrix4;this.projectionMatrixInverse=new THREE.Matrix4};THREE.Camera.prototype=new THREE.Object3D;THREE.Camera.prototype.constructor=THREE.Camera;
 THREE.Camera.prototype.lookAt=function(a){this.matrix.lookAt(this.position,a,this.up);this.rotationAutoUpdate&&this.rotation.setRotationFromMatrix(this.matrix)};THREE.OrthographicCamera=function(a,b,c,d,e,f){THREE.Camera.call(this);this.left=a;this.right=b;this.top=c;this.bottom=d;this.near=void 0!==e?e:0.1;this.far=void 0!==f?f:2E3;this.updateProjectionMatrix()};THREE.OrthographicCamera.prototype=new THREE.Camera;THREE.OrthographicCamera.prototype.constructor=THREE.OrthographicCamera;
 THREE.OrthographicCamera.prototype.updateProjectionMatrix=function(){this.projectionMatrix=THREE.Matrix4.makeOrtho(this.left,this.right,this.top,this.bottom,this.near,this.far)};THREE.PerspectiveCamera=function(a,b,c,d){THREE.Camera.call(this);this.fov=void 0!==a?a:50;this.aspect=void 0!==b?b:1;this.near=void 0!==c?c:0.1;this.far=void 0!==d?d:2E3;this.updateProjectionMatrix()};THREE.PerspectiveCamera.prototype=new THREE.Camera;THREE.PerspectiveCamera.prototype.constructor=THREE.PerspectiveCamera;

build/custom/ThreeWebGL.js

@@ -90,9 +90,9 @@ this.faces[a],c instanceof THREE.Face3)c.vertexNormals=[new THREE.Vector3,new TH
 d[c.b].addSelf(c.normal),d[c.c].addSelf(c.normal),d[c.d].addSelf(c.normal));for(a=0,b=this.vertices.length;a<b;a++)d[a].normalize();for(a=0,b=this.faces.length;a<b;a++)c=this.faces[a],c instanceof THREE.Face3?(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c])):c instanceof THREE.Face4&&(c.vertexNormals[0].copy(d[c.a]),c.vertexNormals[1].copy(d[c.b]),c.vertexNormals[2].copy(d[c.c]),c.vertexNormals[3].copy(d[c.d]))},computeTangents:function(){function a(a,
 b,c,d,e,f,A){i=a.vertices[b].position;k=a.vertices[c].position;l=a.vertices[d].position;j=h[e];n=h[f];p=h[A];o=k.x-i.x;m=l.x-i.x;r=k.y-i.y;t=l.y-i.y;z=k.z-i.z;y=l.z-i.z;J=n.u-j.u;K=p.u-j.u;u=n.v-j.v;B=p.v-j.v;H=1/(J*B-K*u);I.set((B*o-u*m)*H,(B*r-u*t)*H,(B*z-u*y)*H);S.set((J*m-K*o)*H,(J*t-K*r)*H,(J*y-K*z)*H);M[b].addSelf(I);M[c].addSelf(I);M[d].addSelf(I);N[b].addSelf(S);N[c].addSelf(S);N[d].addSelf(S)}var b,c,d,e,f,h,i,k,l,j,n,p,o,m,r,t,z,y,J,K,u,B,H,A,M=[],N=[],I=new THREE.Vector3,S=new THREE.Vector3,
 ua=new THREE.Vector3,ka=new THREE.Vector3,$=new THREE.Vector3;for(b=0,c=this.vertices.length;b<c;b++)M[b]=new THREE.Vector3,N[b]=new THREE.Vector3;for(b=0,c=this.faces.length;b<c;b++)f=this.faces[b],h=this.faceVertexUvs[0][b],f instanceof THREE.Face3?a(this,f.a,f.b,f.c,0,1,2):f instanceof THREE.Face4&&(a(this,f.a,f.b,f.c,0,1,2),a(this,f.a,f.b,f.d,0,1,3));var Z=["a","b","c","d"];for(b=0,c=this.faces.length;b<c;b++){f=this.faces[b];for(d=0;d<f.vertexNormals.length;d++)$.copy(f.vertexNormals[d]),e=f[Z[d]],
-A=M[e],ua.copy(A),ua.subSelf($.multiplyScalar($.dot(A))).normalize(),ka.cross(f.vertexNormals[d],A),e=ka.dot(N[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(ua.x,ua.y,ua.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox?(this.boundingBox.min.copy(a),this.boundingBox.max.copy(a)):this.boundingBox={min:a.clone(),max:a.clone()};for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<
-e;d++){a=this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}},computeBoundingSphere:function(){for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere={radius:b}},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,4),f,h;for(f=0,h=this.vertices.length;f<h;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),
-Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,h=this.faces.length;f<h;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
+A=M[e],ua.copy(A),ua.subSelf($.multiplyScalar($.dot(A))).normalize(),ka.cross(f.vertexNormals[d],A),e=ka.dot(N[e]),e=0>e?-1:1,f.vertexTangents[d]=new THREE.Vector4(ua.x,ua.y,ua.z,e)}this.hasTangents=!0},computeBoundingBox:function(){if(!this.boundingBox)this.boundingBox={min:new THREE.Vector3,max:new THREE.Vector3};if(0<this.vertices.length){var a;a=this.vertices[0].position;this.boundingBox.min.copy(a);this.boundingBox.max.copy(a);for(var b=this.boundingBox.min,c=this.boundingBox.max,d=1,e=this.vertices.length;d<
+e;d++){a=this.vertices[d].position;if(a.x<b.x)b.x=a.x;else if(a.x>c.x)c.x=a.x;if(a.y<b.y)b.y=a.y;else if(a.y>c.y)c.y=a.y;if(a.z<b.z)b.z=a.z;else if(a.z>c.z)c.z=a.z}}else this.boundingBox.min.set(0,0,0),this.boundingBox.max.set(0,0,0)},computeBoundingSphere:function(){if(!this.boundingSphere)this.boundingSphere={radius:0};for(var a,b=0,c=0,d=this.vertices.length;c<d;c++)a=this.vertices[c].position.length(),a>b&&(b=a);this.boundingSphere.radius=b},mergeVertices:function(){var a={},b=[],c=[],d,e=Math.pow(10,
+4),f,h;for(f=0,h=this.vertices.length;f<h;f++)d=this.vertices[f].position,d=[Math.round(d.x*e),Math.round(d.y*e),Math.round(d.z*e)].join("_"),void 0===a[d]?(a[d]=f,b.push(this.vertices[f]),c[f]=b.length-1):c[f]=c[a[d]];for(f=0,h=this.faces.length;f<h;f++)if(a=this.faces[f],a instanceof THREE.Face3)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c];else if(a instanceof THREE.Face4)a.a=c[a.a],a.b=c[a.b],a.c=c[a.c],a.d=c[a.d];this.vertices=b}};THREE.GeometryCount=0;
 THREE.Spline=function(a){function b(a,b,c,d,e,f,h){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*h+(-3*(b-c)-2*a-d)*f+a*e+b}this.points=a;var c=[],d={x:0,y:0,z:0},e,f,h,i,k,l,j,n,p;this.initFromArray=function(a){this.points=[];for(var b=0;b<a.length;b++)this.points[b]={x:a[b][0],y:a[b][1],z:a[b][2]}};this.getPoint=function(a){e=(this.points.length-1)*a;f=Math.floor(e);h=e-f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>this.points.length-2?f:f+1;c[3]=f>this.points.length-3?f:f+2;l=this.points[c[0]];j=this.points[c[1]];
 n=this.points[c[2]];p=this.points[c[3]];i=h*h;k=h*i;d.x=b(l.x,j.x,n.x,p.x,h,i,k);d.y=b(l.y,j.y,n.y,p.y,h,i,k);d.z=b(l.z,j.z,n.z,p.z,h,i,k);return d};this.getControlPointsArray=function(){var a,b,c=this.points.length,d=[];for(a=0;a<c;a++)b=this.points[a],d[a]=[b.x,b.y,b.z];return d};this.getLength=function(a){var b,c,d,e=b=b=0,f=new THREE.Vector3,h=new THREE.Vector3,i=[],j=0;i[0]=0;a||(a=100);c=this.points.length*a;f.copy(this.points[0]);for(a=1;a<c;a++)b=a/c,d=this.getPoint(b),h.copy(d),j+=h.distanceTo(f),
 f.copy(d),b*=this.points.length-1,b=Math.floor(b),b!=e&&(i[b]=j,e=b);i[i.length]=j;return{chunks:i,total:j}};this.reparametrizeByArcLength=function(a){var b,c,d,e,f,h,i=[],j=new THREE.Vector3,l=this.getLength();i.push(j.copy(this.points[0]).clone());for(b=1;b<this.points.length;b++){c=l.chunks[b]-l.chunks[b-1];h=Math.ceil(a*c/l.total);e=(b-1)/(this.points.length-1);f=b/(this.points.length-1);for(c=1;c<h-1;c++)d=e+c*(1/h)*(f-e),d=this.getPoint(d),i.push(j.copy(d).clone());i.push(j.copy(this.points[b]).clone())}this.points=

src/core/Geometry.js

@@ -341,20 +341,18 @@ THREE.Geometry.prototype = {
 
 	computeBoundingBox: function () {
 
-		if ( this.vertices.length > 0 ) {
-
-			var position, firstPosition = this.vertices[ 0 ].position;
+		if ( ! this.boundingBox ) {
 
-			if ( ! this.boundingBox ) {
+			this.boundingBox = { min: new THREE.Vector3(), max: new THREE.Vector3() };
 
-				this.boundingBox = { min: firstPosition.clone(), max: firstPosition.clone() };
+		}
 
-			} else {
+		if ( this.vertices.length > 0 ) {
 
-				this.boundingBox.min.copy( firstPosition );
-				this.boundingBox.max.copy( firstPosition );
+			var position, firstPosition = this.vertices[ 0 ].position;
 
-			}
+			this.boundingBox.min.copy( firstPosition );
+			this.boundingBox.max.copy( firstPosition );
 
 			var min = this.boundingBox.min,
 				max = this.boundingBox.max;
@@ -395,12 +393,19 @@ THREE.Geometry.prototype = {
 
 			}
 
+		} else {
+
+			this.boundingBox.min.set( 0, 0, 0 );
+			this.boundingBox.max.set( 0, 0, 0 );
+
 		}
 
 	},
 
 	computeBoundingSphere: function () {
 
+		if ( ! this.boundingSphere ) this.boundingSphere = { radius: 0 };
+
 		var radius, maxRadius = 0;
 
 		for ( var v = 0, vl = this.vertices.length; v < vl; v ++ ) {
@@ -410,7 +415,7 @@ THREE.Geometry.prototype = {
 
 		}
 
-		this.boundingSphere = { radius: maxRadius };
+		this.boundingSphere.radius = maxRadius;
 
 	},