Added Vector3 docs. Also some small fixes in Vector3 and Vector2 implementations.

Not sure about this hardcoded epsilon thing for "isZero", also related strict equality check. Maybe these should be configurable somehow.

build/custom/ThreeCanvas.js

@@ -7,12 +7,12 @@ this.b=Math.sqrt(this.b);return this},setRGB:function(a,b,c){this.r=a;this.g=b;t
 Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},getHex:function(){return Math.floor(255*this.r)<<16^Math.floor(255*this.g)<<8^Math.floor(255*this.b)},getContextStyle:function(){return"rgb("+Math.floor(255*this.r)+","+Math.floor(255*this.g)+","+Math.floor(255*this.b)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
 THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},clone:function(){return new THREE.Vector2(this.x,this.y)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},
 divideScalar:function(a){a?(this.x/=a,this.y/=a):this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},
-equals:function(a){return a.x===this.x&&a.y===this.y}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+equals:function(a){return a.x===this.x&&a.y===this.y},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
 THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},
 addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},divideSelf:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},
-divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return this.x+this.y+this.z},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
-cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
-this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22))},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
+cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
+this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
 THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
 b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
 normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
@@ -78,7 +78,7 @@ this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);return this},setFromRo
 this.normalize();return this},calculateW:function(){this.w=-Math.sqrt(Math.abs(1-this.x*this.x-this.y*this.y-this.z*this.z));return this},inverse:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?this.w=this.z=this.y=this.x=0:(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiplySelf:function(a){var b=
 this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,i=a.z,a=a.w;this.x=b*a+e*f+c*i-d*g;this.y=c*a+e*g+d*f-b*i;this.z=d*a+e*i+b*g-c*f;this.w=e*a-b*f-c*g-d*i;return this},multiply:function(a,b){this.x=a.x*b.w+a.y*b.z-a.z*b.y+a.w*b.x;this.y=-a.x*b.z+a.y*b.w+a.z*b.x+a.w*b.y;this.z=a.x*b.y-a.y*b.x+a.z*b.w+a.w*b.z;this.w=-a.x*b.x-a.y*b.y-a.z*b.z+a.w*b.w;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,i=this.z,m=this.w,h=m*c+g*e-i*d,l=m*d+i*c-f*e,o=m*e+f*d-g*c,c=-f*
 c-g*d-i*e;b.x=h*m+c*-f+l*-i-o*-g;b.y=l*m+c*-g+o*-f-h*-i;b.z=o*m+c*-i+h*-g-l*-f;return b}};
-THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.001>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.0010>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
 THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
 THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},clone:function(){return new THREE.UV(this.u,this.v)}};

build/custom/ThreeDOM.js

@@ -7,12 +7,12 @@ this.b=Math.sqrt(this.b);return this},setRGB:function(a,b,c){this.r=a;this.g=b;t
 Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},getHex:function(){return Math.floor(255*this.r)<<16^Math.floor(255*this.g)<<8^Math.floor(255*this.b)},getContextStyle:function(){return"rgb("+Math.floor(255*this.r)+","+Math.floor(255*this.g)+","+Math.floor(255*this.b)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
 THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},clone:function(){return new THREE.Vector2(this.x,this.y)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},
 divideScalar:function(a){a?(this.x/=a,this.y/=a):this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},
-equals:function(a){return a.x===this.x&&a.y===this.y}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+equals:function(a){return a.x===this.x&&a.y===this.y},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
 THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},
 addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},divideSelf:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},
-divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return this.x+this.y+this.z},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
-cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
-this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22))},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
+cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
+this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
 THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
 b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
 normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
@@ -78,7 +78,7 @@ this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);return this},setFromRo
 this.normalize();return this},calculateW:function(){this.w=-Math.sqrt(Math.abs(1-this.x*this.x-this.y*this.y-this.z*this.z));return this},inverse:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?this.w=this.z=this.y=this.x=0:(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiplySelf:function(a){var b=
 this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,h=a.z,a=a.w;this.x=b*a+e*f+c*h-d*g;this.y=c*a+e*g+d*f-b*h;this.z=d*a+e*h+b*g-c*f;this.w=e*a-b*f-c*g-d*h;return this},multiply:function(a,b){this.x=a.x*b.w+a.y*b.z-a.z*b.y+a.w*b.x;this.y=-a.x*b.z+a.y*b.w+a.z*b.x+a.w*b.y;this.z=a.x*b.y-a.y*b.x+a.z*b.w+a.w*b.z;this.w=-a.x*b.x-a.y*b.y-a.z*b.z+a.w*b.w;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,h=this.z,k=this.w,i=k*c+g*e-h*d,j=k*d+h*c-f*e,l=k*e+f*d-g*c,c=-f*
 c-g*d-h*e;b.x=i*k+c*-f+j*-h-l*-g;b.y=j*k+c*-g+l*-f-i*-h;b.z=l*k+c*-h+i*-g-j*-f;return b}};
-THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.001>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.0010>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
 THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
 THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},clone:function(){return new THREE.UV(this.u,this.v)}};

build/custom/ThreeSVG.js

@@ -7,12 +7,12 @@ this.b=Math.sqrt(this.b);return this},setRGB:function(a,b,c){this.r=a;this.g=b;t
 Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},getHex:function(){return Math.floor(255*this.r)<<16^Math.floor(255*this.g)<<8^Math.floor(255*this.b)},getContextStyle:function(){return"rgb("+Math.floor(255*this.r)+","+Math.floor(255*this.g)+","+Math.floor(255*this.b)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
 THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},clone:function(){return new THREE.Vector2(this.x,this.y)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},
 divideScalar:function(a){a?(this.x/=a,this.y/=a):this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},
-equals:function(a){return a.x===this.x&&a.y===this.y}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+equals:function(a){return a.x===this.x&&a.y===this.y},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
 THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},
 addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},divideSelf:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},
-divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return this.x+this.y+this.z},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
-cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
-this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22))},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
+cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
+this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
 THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
 b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
 normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
@@ -78,7 +78,7 @@ this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);return this},setFromRo
 this.normalize();return this},calculateW:function(){this.w=-Math.sqrt(Math.abs(1-this.x*this.x-this.y*this.y-this.z*this.z));return this},inverse:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?this.w=this.z=this.y=this.x=0:(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiplySelf:function(a){var b=
 this.x,c=this.y,d=this.z,e=this.w,f=a.x,g=a.y,h=a.z,a=a.w;this.x=b*a+e*f+c*h-d*g;this.y=c*a+e*g+d*f-b*h;this.z=d*a+e*h+b*g-c*f;this.w=e*a-b*f-c*g-d*h;return this},multiply:function(a,b){this.x=a.x*b.w+a.y*b.z-a.z*b.y+a.w*b.x;this.y=-a.x*b.z+a.y*b.w+a.z*b.x+a.w*b.y;this.z=a.x*b.y-a.y*b.x+a.z*b.w+a.w*b.z;this.w=-a.x*b.x-a.y*b.y-a.z*b.z+a.w*b.w;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,g=this.y,h=this.z,l=this.w,j=l*c+g*e-h*d,i=l*d+h*c-f*e,m=l*e+f*d-g*c,c=-f*
 c-g*d-h*e;b.x=j*l+c*-f+i*-h-m*-g;b.y=i*l+c*-g+m*-f-j*-h;b.z=m*l+c*-h+j*-g-i*-f;return b}};
-THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.001>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.0010>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
 THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
 THREE.Face4=function(a,b,c,d,e,f,g){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=g;this.centroid=new THREE.Vector3};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},clone:function(){return new THREE.UV(this.u,this.v)}};

build/custom/ThreeWebGL.js

@@ -7,12 +7,12 @@ this.b=Math.sqrt(this.b);return this},setRGB:function(a,b,c){this.r=a;this.g=b;t
 Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},getHex:function(){return Math.floor(255*this.r)<<16^Math.floor(255*this.g)<<8^Math.floor(255*this.b)},getContextStyle:function(){return"rgb("+Math.floor(255*this.r)+","+Math.floor(255*this.g)+","+Math.floor(255*this.b)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,b){this.x=a||0;this.y=b||0};
 THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},clone:function(){return new THREE.Vector2(this.x,this.y)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},
 divideScalar:function(a){a?(this.x/=a,this.y/=a):this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,a=this.y-a.y;return b*b+a*a},setLength:function(a){return this.normalize().multiplyScalar(a)},
-equals:function(a){return a.x===this.x&&a.y===this.y}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
+equals:function(a){return a.x===this.x&&a.y===this.y},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector3=function(a,b,c){this.x=a||0;this.y=b||0;this.z=c||0};
 THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},
 addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;return this},divideSelf:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},
-divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return this.x+this.y+this.z},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
-cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
-this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22))},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
+divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.z=this.y=this.x=0;return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.lengthSq())},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},
+cross:function(a,b){this.x=a.y*b.z-a.z*b.y;this.y=a.z*b.x-a.x*b.z;this.z=a.x*b.y-a.y*b.x;return this},crossSelf:function(a){var b=this.x,c=this.y,d=this.z;this.x=c*a.z-d*a.y;this.y=d*a.x-b*a.z;this.z=b*a.y-c*a.x;return this},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34;return this},setRotationFromMatrix:function(a){var b=Math.cos(this.y);
+this.y=Math.asin(a.n13);1.0E-5<Math.abs(b)?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22));return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},isZero:function(){return 1.0E-4>this.lengthSq()}};THREE.Vector4=function(a,b,c,d){this.x=a||0;this.y=b||0;this.z=c||0;this.w=void 0!==d?d:1};
 THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-
 b.z;this.w=a.w-b.w;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):(this.z=this.y=this.x=0,this.w=1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},
 normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this}};THREE.Frustum=function(){this.planes=[new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4,new THREE.Vector4]};
@@ -78,7 +78,7 @@ this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(c);return this},setFromRo
 this.normalize();return this},calculateW:function(){this.w=-Math.sqrt(Math.abs(1-this.x*this.x-this.y*this.y-this.z*this.z));return this},inverse:function(){this.x*=-1;this.y*=-1;this.z*=-1;return this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},normalize:function(){var a=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);0===a?this.w=this.z=this.y=this.x=0:(a=1/a,this.x*=a,this.y*=a,this.z*=a,this.w*=a);return this},multiplySelf:function(a){var b=
 this.x,c=this.y,d=this.z,e=this.w,f=a.x,h=a.y,i=a.z,a=a.w;this.x=b*a+e*f+c*i-d*h;this.y=c*a+e*h+d*f-b*i;this.z=d*a+e*i+b*h-c*f;this.w=e*a-b*f-c*h-d*i;return this},multiply:function(a,b){this.x=a.x*b.w+a.y*b.z-a.z*b.y+a.w*b.x;this.y=-a.x*b.z+a.y*b.w+a.z*b.x+a.w*b.y;this.z=a.x*b.y-a.y*b.x+a.z*b.w+a.w*b.z;this.w=-a.x*b.x-a.y*b.y-a.z*b.z+a.w*b.w;return this},multiplyVector3:function(a,b){b||(b=a);var c=a.x,d=a.y,e=a.z,f=this.x,h=this.y,i=this.z,k=this.w,l=k*c+h*e-i*d,j=k*d+i*c-f*e,n=k*e+f*d-h*c,c=-f*
 c-h*d-i*e;b.x=l*k+c*-f+j*-i-n*-h;b.y=j*k+c*-h+n*-f-l*-i;b.z=n*k+c*-i+l*-h-j*-f;return b}};
-THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.001>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
+THREE.Quaternion.slerp=function(a,b,c,d){var e=a.w*b.w+a.x*b.x+a.y*b.y+a.z*b.z;0>e?(c.w=-b.w,c.x=-b.x,c.y=-b.y,c.z=-b.z,e=-e):c.copy(b);if(1<=Math.abs(e))return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var f=Math.acos(e),e=Math.sqrt(1-e*e);if(0.0010>Math.abs(e))return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;b=Math.sin((1-d)*f)/e;d=Math.sin(d*f)/e;c.w=a.w*b+c.w*d;c.x=a.x*b+c.x*d;c.y=a.y*b+c.y*d;c.z=a.z*b+c.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
 THREE.Face3=function(a,b,c,d,e,f){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=e instanceof THREE.Color?e:new THREE.Color;this.vertexColors=e instanceof Array?e:[];this.vertexTangents=[];this.materialIndex=f;this.centroid=new THREE.Vector3};
 THREE.Face4=function(a,b,c,d,e,f,h){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=e instanceof THREE.Vector3?e:new THREE.Vector3;this.vertexNormals=e instanceof Array?e:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materialIndex=h;this.centroid=new THREE.Vector3};THREE.UV=function(a,b){this.u=a||0;this.v=b||0};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.u=a.u;this.v=a.v;return this},clone:function(){return new THREE.UV(this.u,this.v)}};
@@ -361,7 +361,7 @@ b.texParameteri(b.TEXTURE_2D,b.TEXTURE_MIN_FILTER,b.NEAREST);0>=b.getParameter(b
 "color");p.scale=b.getUniformLocation(j,"scale");p.rotation=b.getUniformLocation(j,"rotation");p.screenPosition=b.getUniformLocation(j,"screenPosition");o=!1};this.render=function(a,d,e,z){var a=a.__webglFlares,y=a.length;if(y){var J=new THREE.Vector3,K=z/e,u=0.5*e,B=0.5*z,H=16/z,A=new THREE.Vector2(H*K,H),M=new THREE.Vector3(1,1,0),N=new THREE.Vector2(1,1),I=p,H=n;b.useProgram(j);o||(b.enableVertexAttribArray(n.vertex),b.enableVertexAttribArray(n.uv),o=!0);b.uniform1i(I.occlusionMap,0);b.uniform1i(I.map,
 1);b.bindBuffer(b.ARRAY_BUFFER,f);b.vertexAttribPointer(H.vertex,2,b.FLOAT,!1,16,0);b.vertexAttribPointer(H.uv,2,b.FLOAT,!1,16,8);b.bindBuffer(b.ELEMENT_ARRAY_BUFFER,h);b.disable(b.CULL_FACE);b.depthMask(!1);var S,ua,ka,$,Z;for(S=0;S<y;S++)if(H=16/z,A.set(H*K,H),$=a[S],J.set($.matrixWorld.n14,$.matrixWorld.n24,$.matrixWorld.n34),d.matrixWorldInverse.multiplyVector3(J),d.projectionMatrix.multiplyVector3(J),M.copy(J),N.x=M.x*u+u,N.y=M.y*B+B,l||0<N.x&&N.x<e&&0<N.y&&N.y<z){b.activeTexture(b.TEXTURE1);
 b.bindTexture(b.TEXTURE_2D,i);b.copyTexImage2D(b.TEXTURE_2D,0,b.RGB,N.x-8,N.y-8,16,16,0);b.uniform1i(I.renderType,0);b.uniform2f(I.scale,A.x,A.y);b.uniform3f(I.screenPosition,M.x,M.y,M.z);b.disable(b.BLEND);b.enable(b.DEPTH_TEST);b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0);b.activeTexture(b.TEXTURE0);b.bindTexture(b.TEXTURE_2D,k);b.copyTexImage2D(b.TEXTURE_2D,0,b.RGBA,N.x-8,N.y-8,16,16,0);b.uniform1i(I.renderType,1);b.disable(b.DEPTH_TEST);b.activeTexture(b.TEXTURE1);b.bindTexture(b.TEXTURE_2D,
-i);b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0);$.positionScreen.copy(M);$.customUpdateCallback?$.customUpdateCallback($):$.updateLensFlares();b.uniform1i(I.renderType,2);b.enable(b.BLEND);for(ua=0,ka=$.lensFlares.length;ua<ka;ua++)if(Z=$.lensFlares[ua],0.001<Z.opacity&&0.001<Z.scale)M.x=Z.x,M.y=Z.y,M.z=Z.z,H=Z.size*Z.scale/z,A.x=H*K,A.y=H,b.uniform3f(I.screenPosition,M.x,M.y,M.z),b.uniform2f(I.scale,A.x,A.y),b.uniform1f(I.rotation,Z.rotation),b.uniform1f(I.opacity,Z.opacity),b.uniform3f(I.color,
+i);b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0);$.positionScreen.copy(M);$.customUpdateCallback?$.customUpdateCallback($):$.updateLensFlares();b.uniform1i(I.renderType,2);b.enable(b.BLEND);for(ua=0,ka=$.lensFlares.length;ua<ka;ua++)if(Z=$.lensFlares[ua],0.0010<Z.opacity&&0.0010<Z.scale)M.x=Z.x,M.y=Z.y,M.z=Z.z,H=Z.size*Z.scale/z,A.x=H*K,A.y=H,b.uniform3f(I.screenPosition,M.x,M.y,M.z),b.uniform2f(I.scale,A.x,A.y),b.uniform1f(I.rotation,Z.rotation),b.uniform1f(I.opacity,Z.opacity),b.uniform3f(I.color,
 Z.color.r,Z.color.g,Z.color.b),c.setBlending(Z.blending),c.setTexture(Z.texture,1),b.drawElements(b.TRIANGLES,6,b.UNSIGNED_SHORT,0)}b.enable(b.CULL_FACE);b.enable(b.DEPTH_TEST);b.depthMask(!0)}}};
 THREE.ShadowMapPlugin=function(){var a,b,c,d,e=new THREE.Frustum,f=new THREE.Matrix4;this.init=function(e){a=e.context;b=e;var e=THREE.ShaderLib.depthRGBA,f=THREE.UniformsUtils.clone(e.uniforms);c=new THREE.ShaderMaterial({fragmentShader:e.fragmentShader,vertexShader:e.vertexShader,uniforms:f});d=new THREE.ShaderMaterial({fragmentShader:e.fragmentShader,vertexShader:e.vertexShader,uniforms:f,morphTargets:!0});c._shadowPass=!0;d._shadowPass=!0};this.render=function(a,c){b.shadowMapEnabled&&b.shadowMapAutoUpdate&&
 this.update(a,c)};this.update=function(h){var i,k,l,j,n,p,o,m,r,t=h.lights;a.clearColor(1,1,1,1);a.disable(a.BLEND);b.shadowMapCullFrontFaces&&a.cullFace(a.FRONT);b.setDepthTest(!0);for(i=0,k=t.length;i<k;i++)if(m=t[i],m.castShadow){if(!m.shadowMap)m.shadowMap=new THREE.WebGLRenderTarget(m.shadowMapWidth,m.shadowMapHeight,{minFilter:THREE.LinearFilter,magFilter:THREE.LinearFilter,format:THREE.RGBAFormat}),m.shadowMapSize=new THREE.Vector2(m.shadowMapWidth,m.shadowMapHeight),m.shadowMatrix=new THREE.Matrix4;

docs/api/core/Vector2.rst

@@ -160,6 +160,13 @@ Vector2 - 2D vector
     :returns: true if this vector equals ``v``
     :rtype: boolean
 
+.. function:: Vector2.isZero( )
+
+    Checks if length of this vector is within small epsilon (``0.0001``)
+
+    :returns: true if this vector is zero
+    :rtype: boolean
+
 .. ...............................................................................
 .. rubric:: Example
 .. ...............................................................................

docs/api/core/Vector3.rst

 Vector3 - 3D vector
 -------------------
 
+.. ...............................................................................
 .. rubric:: Constructor
+.. ...............................................................................
 
 .. class:: Vector3()
 
     3D vector
-    
+
+    :param float x: x-coordinate
+    :param float y: y-coordinate
+    :param float z: z-coordinate
+
+.. ...............................................................................
 .. rubric:: Attributes
+.. ...............................................................................
+
+.. attribute:: Vector3.x
+.. attribute:: Vector3.y
+.. attribute:: Vector3.z
+
+.. ...............................................................................
+.. rubric:: Methods
+.. ...............................................................................
+
+.. function:: Vector3.clone( )
+
+    Clones this vector
+
+    :returns: New instance identical to this vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.set( x, y, z )
+
+    Sets value of this vector
+
+    :param float x: x-coordinate
+    :param float y: y-coordinate
+    :param float z: z-coordinate
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.setX( x )
+
+    Sets x-value of this vector
+
+    :param float x: x-coordinate
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.setY( y )
+
+    Sets y-value of this vector
+
+    :param float y: y-coordinate
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.setZ( z )
+
+    Sets z-value of this vector
+
+    :param float z: z-coordinate
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.copy( v )
+
+    Copies value of ``v`` to this vector
+
+    :param Vector3 v: source vector
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.add( v1, v2 )
+
+    Sets this vector to ``v1 + v2``
+
+    :param Vector3 v1: source vector 1
+    :param Vector3 v2: source vector 2
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.addSelf( v )
+
+    Adds ``v`` to this vector
+
+    :param Vector3 v: source vector
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.sub( v1, v2 )
+
+    Sets this vector to ``v1 - v2``
+
+    :param Vector3 v1: source vector 1
+    :param Vector3 v2: source vector 2
+
+.. function:: Vector3.subSelf( v )
+
+    Subtracts ``v`` from this vector
+
+    :param Vector3 v: source vector
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.multiplyScalar( s )
+
+    Multiplies this vector by scalar ``s``
+
+    :param float s: scalar
+    :returns: This vector
+    :rtype: :class:`Vector2`
+
+.. function:: Vector3.divideScalar( s )
+
+    Divides this vector by scalar ``s``
+
+    Set vector to ``( 0, 0, 0 )`` if ``s == 0``
+
+    :param float s: scalar
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.negate( )
+
+    Inverts this vector
+
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.dot( v )
+
+    Computes dot product of this vector and ``v``
+
+    :param Vector3 v: vector
+    :returns: dot product
+    :rtype: float
+
+.. function:: Vector3.lengthSq( )
+
+    Computes squared length of this vector
+
+    :returns: squared length
+    :rtype: float
+
+.. function:: Vector3.length( )
+
+    Computes length of this vector
+
+    :returns: length
+    :rtype: float
+
+.. function:: Vector3.lengthManhattan( )
+
+    Computes Manhattan length of this vector
+
+    http://en.wikipedia.org/wiki/Taxicab_geometry
+
+    :returns: length
+    :rtype: float
+
+.. function:: Vector3.normalize( )
+
+    Normalizes this vector
+
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.distanceTo( v )
+
+    Computes distance of this vector to ``v``
+
+    :param Vector3 v: vector
+    :returns: squared distance
+    :rtype: float
+
+.. function:: Vector3.distanceToSquared( v )
+
+    Computes squared distance of this vector to ``v``
+
+    :param Vector3 v: vector
+    :returns: squared distance
+    :rtype: float
+
+.. function:: Vector3.setLength( l )
+
+    Normalizes this vector and multiplies it by ``l``
+
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.cross( a, b )
+
+    Sets this vector to cross product of ``a`` and ``b``
+
+    :param Vector3 a: vector
+    :param Vector3 b: vector
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.crossSelf( v )
+
+    Sets this vector to cross product of itself and ``v``
+
+    :param Vector3 v: vector
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.setPositionFromMatrix( m )
+
+    Sets this vector extracting position from matrix transform
+
+    :param Matrix4 m: matrix
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.setRotationFromMatrix( m )
+
+    Sets this vector extracting Euler angles rotation from matrix transform
+
+    :param Matrix4 m: matrix
+    :returns: This vector
+    :rtype: :class:`Vector3`
+
+.. function:: Vector3.equals( v )
+
+    Checks for strict equality of this vector and ``v``
+
+    :param Vector3 v: vector
+    :returns: true if this vector equals ``v``
+    :rtype: boolean
+
+.. function:: Vector3.isZero( )
+
+    Checks if length of this vector is within small epsilon (``0.0001``)
+
+    :returns: true if this vector is zero
+    :rtype: boolean
+
+.. ...............................................................................
+.. rubric:: Example
+.. ...............................................................................
+
+::
 
-.. rubric:: Method
+    var a = new THREE.Vector3( 1, 0, 0 );
+    var b = new THREE.Vector3( 0, 1, 0 );
 
-.. rubric:: Example(s)
\ No newline at end of file
+    var c = new THREE.Vector3();
+    c.cross( a, b );

src/core/Vector2.js

@@ -158,6 +158,12 @@ THREE.Vector2.prototype = {
 
 		return ( ( v.x === this.x ) && ( v.y === this.y ) );
 
+	},
+
+	isZero: function () {
+
+		return ( this.lengthSq() < 0.0001 /* almostZero */ );
+
 	}
 
 };

src/core/Vector3.js

@@ -207,10 +207,7 @@ THREE.Vector3.prototype = {
 
 	lengthManhattan: function () {
 
-		// correct version
-		// return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
-
-		return this.x + this.y + this.z;
+		return Math.abs( this.x ) + Math.abs( this.y ) + Math.abs( this.z );
 
 	},
 
@@ -269,6 +266,8 @@ THREE.Vector3.prototype = {
 		this.y = m.n24;
 		this.z = m.n34;
 
+		return this;
+
 	},
 
 	setRotationFromMatrix: function ( m ) {
@@ -289,6 +288,14 @@ THREE.Vector3.prototype = {
 
 		}
 
+		return this;
+
+	},
+
+	equals: function( v ) {
+
+		return ( ( v.x === this.x ) && ( v.y === this.y ) && ( v.z === this.z ) );
+
 	},
 
 	isZero: function () {