Update builds.

build/three.js

@@ -2208,8 +2208,8 @@ THREE.Vector4.prototype = {
 
 THREE.Box2 = function ( min, max ) {
 
-	this.min = min !== undefined ? min.clone() : new THREE.Vector2( Infinity, Infinity );
-	this.max = max !== undefined ? max.clone() : new THREE.Vector2( -Infinity, -Infinity );
+	this.min = ( min !== undefined ) ? min : new THREE.Vector2( Infinity, Infinity );
+	this.max = ( max !== undefined ) ? max : new THREE.Vector2( -Infinity, -Infinity );
 
 };
 
@@ -2462,8 +2462,8 @@ THREE.Box2.__v1 = new THREE.Vector2();
 
 THREE.Box3 = function ( min, max ) {
 
-	this.min = min !== undefined ? min.clone() : new THREE.Vector3( Infinity, Infinity, Infinity );
-	this.max = max !== undefined ? max.clone() : new THREE.Vector3( -Infinity, -Infinity, -Infinity );
+	this.min = ( min !== undefined ) ? min : new THREE.Vector3( Infinity, Infinity, Infinity );
+	this.max = ( max !== undefined ) ? max : new THREE.Vector3( -Infinity, -Infinity, -Infinity );
 
 };
 
@@ -4052,9 +4052,8 @@ THREE.Matrix4.__m2 = new THREE.Matrix4();
 
 THREE.Ray = function ( origin, direction ) {
 
-
-	this.origin = origin !== undefined ? origin.clone() : new THREE.Vector3();
-	this.direction = direction !== undefined ? direction.clone() : new THREE.Vector3();
+	this.origin = ( origin !== undefined ) ? origin : new THREE.Vector3();
+	this.direction = ( direction !== undefined ) ? direction : new THREE.Vector3();
 
 };
 
@@ -4211,8 +4210,8 @@ THREE.Ray.__v2 = new THREE.Vector3();
 
 THREE.Sphere = function ( center, radius ) {
 
-	this.center = center === undefined ? new THREE.Vector3() : center.clone();
-	this.radius = radius === undefined ? 0 : radius;
+	this.center = ( center !== undefined ) ? center : new THREE.Vector3();
+	this.radius = ( radius !== undefined ) ? radius : 0;
 
 };
 
@@ -4478,9 +4477,7 @@ THREE.Frustum.prototype = {
 
 	clone: function () {
 
-		var planes = this.planes;
-
-		return new THREE.Frustum( planes[0], planes[1], planes[2], planes[3], planes[4], planes[5] );
+		return new THREE.Frustum().copy( this );
 
 	}
 
@@ -4491,8 +4488,8 @@ THREE.Frustum.prototype = {
 
 THREE.Plane = function ( normal, constant ) {
 
-	this.normal = normal !== undefined ? normal.clone() : new THREE.Vector3( 1, 0, 0 );
-	this.constant = constant !== undefined ? constant : 0;
+	this.normal = ( normal !== undefined ) ? normal : new THREE.Vector3( 1, 0, 0 );
+	this.constant = ( constant !== undefined ) ? constant : 0;
 
 };
 
@@ -5298,17 +5295,9 @@ THREE.Spline = function ( points ) {
 
 THREE.Triangle = function ( a, b, c ) {
 
-	this.a = new THREE.Vector3();
-	this.b = new THREE.Vector3();
-	this.c = new THREE.Vector3();
-
-	if( a !== undefined && b !== undefined && c !== undefined ) {
-
-		this.a.copy( a );
-		this.b.copy( b );
-		this.c.copy( c );
-
-	}
+	this.a = ( a !== undefined ) ? a : new THREE.Vector3();
+	this.b = ( b !== undefined ) ? b : new THREE.Vector3();
+	this.c = ( c !== undefined ) ? c : new THREE.Vector3();
 
 };
 

build/three.min.js

@@ -45,12 +45,12 @@ a.x&&(this.x=a.x);this.y<a.y&&(this.y=a.y);this.z<a.z&&(this.z=a.z);this.w<a.w&&
 this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},lengthManhattan:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){var b=this.length();0!==b&&a!==b&&this.multiplyScalar(a/b);return this},lerp: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},equals:function(a){return a.x===
 this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){var b,c,d,a=a.elements,e=a[0];d=a[4];var f=a[8],g=a[1],h=a[5],i=a[9];c=a[2];b=a[6];var k=a[10];if(0.01>Math.abs(d-g)&&0.01>Math.abs(f-c)&&0.01>Math.abs(i-b)){if(0.1>
 Math.abs(d+g)&&0.1>Math.abs(f+c)&&0.1>Math.abs(i+b)&&0.1>Math.abs(e+h+k-3))return this.set(1,0,0,0),this;a=Math.PI;e=(e+1)/2;h=(h+1)/2;k=(k+1)/2;d=(d+g)/4;f=(f+c)/4;i=(i+b)/4;e>h&&e>k?0.01>e?(b=0,d=c=0.707106781):(b=Math.sqrt(e),c=d/b,d=f/b):h>k?0.01>h?(b=0.707106781,c=0,d=0.707106781):(c=Math.sqrt(h),b=d/c,d=i/c):0.01>k?(c=b=0.707106781,d=0):(d=Math.sqrt(k),b=f/d,c=i/d);this.set(b,c,d,a);return this}a=Math.sqrt((b-i)*(b-i)+(f-c)*(f-c)+(g-d)*(g-d));0.001>Math.abs(a)&&(a=1);this.x=(b-i)/a;this.y=(f-
-c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+k-1)/2);return this}};THREE.Box2=function(a,b){this.min=void 0!==a?a.clone():new THREE.Vector2(Infinity,Infinity);this.max=void 0!==b?b.clone():new THREE.Vector2(-Infinity,-Infinity)};
+c)/a;this.z=(g-d)/a;this.w=Math.acos((e+h+k-1)/2);return this}};THREE.Box2=function(a,b){this.min=void 0!==a?a:new THREE.Vector2(Infinity,Infinity);this.max=void 0!==b?b:new THREE.Vector2(-Infinity,-Infinity)};
 THREE.Box2.prototype={constructor:THREE.Box2,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromPoints:function(a){if(0<a.length){var b=a[0];this.min.copy(b);this.max.copy(b);for(var c=1,d=a.length;c<d;c++)b=a[c],b.x<this.min.x?this.min.x=b.x:b.x>this.max.x&&(this.max.x=b.x),b.y<this.min.y?this.min.y=b.y:b.y>this.max.y&&(this.max.y=b.y)}else this.makeEmpty();return this},setFromCenterAndSize:function(a,b){var c=THREE.Box2.__v1.copy(b).multiplyScalar(0.5);this.min.copy(a).sub(c);
 this.max.copy(a).add(c);return this},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=Infinity;this.max.x=this.max.y=-Infinity;return this},empty:function(){return this.max.x<this.min.x||this.max.y<this.min.y},center:function(a){return(a||new THREE.Vector2).addVectors(this.min,this.max).multiplyScalar(0.5)},size:function(a){return(a||new THREE.Vector2).subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);
 return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},containsPoint:function(a){return this.min.x<=a.x&&a.x<=this.max.x&&this.min.y<=a.y&&a.y<=this.max.y?!0:!1},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y?!0:!1},getParameter:function(a){return new THREE.Vector2((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/
 (this.max.y-this.min.y))},isIntersectionBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y?!1:!0},clampPoint:function(a,b){return(b||new THREE.Vector2).copy(a).clamp(this.min,this.max)},distanceToPoint:function(a){return THREE.Box2.__v1.copy(a).clamp(this.min,this.max).sub(a).length()},intersect:function(a){this.min.max(a.min);this.max.min(a.max);return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},translate:function(a){this.min.add(a);
-this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)},clone:function(){return(new THREE.Box2).copy(this)}};THREE.Box2.__v1=new THREE.Vector2;THREE.Box3=function(a,b){this.min=void 0!==a?a.clone():new THREE.Vector3(Infinity,Infinity,Infinity);this.max=void 0!==b?b.clone():new THREE.Vector3(-Infinity,-Infinity,-Infinity)};
+this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)},clone:function(){return(new THREE.Box2).copy(this)}};THREE.Box2.__v1=new THREE.Vector2;THREE.Box3=function(a,b){this.min=void 0!==a?a:new THREE.Vector3(Infinity,Infinity,Infinity);this.max=void 0!==b?b:new THREE.Vector3(-Infinity,-Infinity,-Infinity)};
 THREE.Box3.prototype={constructor:THREE.Box3,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromPoints:function(a){if(0<a.length){var b=a[0];this.min.copy(b);this.max.copy(b);for(var c=1,d=a.length;c<d;c++)b=a[c],b.x<this.min.x?this.min.x=b.x:b.x>this.max.x&&(this.max.x=b.x),b.y<this.min.y?this.min.y=b.y:b.y>this.max.y&&(this.max.y=b.y),b.z<this.min.z?this.min.z=b.z:b.z>this.max.z&&(this.max.z=b.z)}else this.makeEmpty();return this},setFromCenterAndSize:function(a,b){var c=THREE.Box3.__v1.copy(b).multiplyScalar(0.5);
 this.min.copy(a).sub(c);this.max.copy(a).add(c);return this},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},empty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},center:function(a){return(a||new THREE.Vector3).addVectors(this.min,this.max).multiplyScalar(0.5)},size:function(a){return(a||new THREE.Vector3).subVectors(this.max,
 this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},containsPoint:function(a){return this.min.x<=a.x&&a.x<=this.max.x&&this.min.y<=a.y&&a.y<=this.max.y&&this.min.z<=a.z&&a.z<=this.max.z?!0:!1},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=
@@ -84,17 +84,17 @@ m=Math.sin(b),p=1-k,n=d*e*p,s=d*f*p,p=e*f*p,d=d*m,q=e*m,m=f*m,f=g+(1-g)*k,g=n+m,
 c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],Math.max(a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10])))},makeTranslation:function(a){this.set(1,0,0,a.x,0,1,0,a.y,0,0,1,a.z,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a),a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=
 Math.cos(a),a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a),a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),e=1-c,f=a.x,g=a.y,h=a.z,i=e*f,k=e*g;this.set(i*f+c,i*g-d*h,i*h+d*g,0,i*g+d*h,k*g+c,k*h-d*f,0,i*h-d*g,k*h+d*f,e*h*h+c,0,0,0,0,1);return this},makeScale:function(a){this.set(a.x,0,0,0,0,a.y,0,0,0,0,a.z,0,0,0,0,1);return this},makeFrustum:function(a,
 b,c,d,e,f){var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(d-c);g[9]=(d+c)/(d-c);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makePerspective:function(a,b,c,d){var a=c*Math.tan(THREE.Math.degToRad(0.5*a)),e=-a;return this.makeFrustum(e*b,a*b,e,a,c,d)},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=b-a,i=c-d,k=f-e;g[0]=2/h;g[4]=0;g[8]=0;g[12]=-((b+a)/h);g[1]=0;g[5]=2/i;g[9]=0;g[13]=-((c+d)/
-i);g[2]=0;g[6]=0;g[10]=-2/k;g[14]=-((f+e)/k);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},clone:function(){var a=this.elements;return new THREE.Matrix4(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15])}};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3;THREE.Matrix4.__m1=new THREE.Matrix4;THREE.Matrix4.__m2=new THREE.Matrix4;THREE.Ray=function(a,b){this.origin=void 0!==a?a.clone():new THREE.Vector3;this.direction=void 0!==b?b.clone():new THREE.Vector3};
+i);g[2]=0;g[6]=0;g[10]=-2/k;g[14]=-((f+e)/k);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},clone:function(){var a=this.elements;return new THREE.Matrix4(a[0],a[4],a[8],a[12],a[1],a[5],a[9],a[13],a[2],a[6],a[10],a[14],a[3],a[7],a[11],a[15])}};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3;THREE.Matrix4.__m1=new THREE.Matrix4;THREE.Matrix4.__m2=new THREE.Matrix4;THREE.Ray=function(a,b){this.origin=void 0!==a?a:new THREE.Vector3;this.direction=void 0!==b?b:new THREE.Vector3};
 THREE.Ray.prototype={constructor:THREE.Ray,set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){return(b||new THREE.Vector3).copy(this.direction).multiplyScalar(a).add(this.origin)},recast:function(a){this.origin.copy(this.at(a,THREE.Ray.__v1));return this},closestPointToPoint:function(a,b){var c=b||new THREE.Vector3;c.subVectors(a,this.origin);var d=c.dot(this.direction);
 return c.copy(this.direction).multiplyScalar(d).add(this.origin)},distanceToPoint:function(a){var b=THREE.Ray.__v1.subVectors(a,this.origin).dot(this.direction);THREE.Ray.__v1.copy(this.direction).multiplyScalar(b).add(this.origin);return THREE.Ray.__v1.distanceTo(a)},isIntersectionSphere:function(a){return this.distanceToPoint(a.center)<=a.radius},isIntersectionPlane:function(a){return 0!=a.normal.dot(this.direction)||0==a.distanceToPoint(this.origin)?!0:!1},distanceToPlane:function(a){var b=a.normal.dot(this.direction);
 if(0==b){if(0==a.distanceToPoint(this.origin))return 0}else return-(this.origin.dot(a.normal)+a.constant)/b},intersectPlane:function(a,b){var c=this.distanceToPlane(a);return void 0===c?void 0:this.at(c,b)},transform:function(a){this.direction.add(this.origin).applyMatrix4(a);this.origin.applyMatrix4(a);this.direction.sub(this.origin);return this},equals:function(a){return a.origin.equals(this.origin)&&a.direction.equals(this.direction)},clone:function(){return(new THREE.Ray).copy(this)}};
-THREE.Ray.__v1=new THREE.Vector3;THREE.Ray.__v2=new THREE.Vector3;THREE.Sphere=function(a,b){this.center=void 0===a?new THREE.Vector3:a.clone();this.radius=void 0===b?0:b};
+THREE.Ray.__v1=new THREE.Vector3;THREE.Ray.__v2=new THREE.Vector3;THREE.Sphere=function(a,b){this.center=void 0!==a?a:new THREE.Vector3;this.radius=void 0!==b?b:0};
 THREE.Sphere.prototype={constructor:THREE.Sphere,set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromCenterAndPoints:function(a,b){for(var c=0,d=0,e=b.length;d<e;d++)var f=a.distanceToSquared(b[d]),c=Math.max(c,f);this.center=a;this.radius=Math.sqrt(c);return this},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-
 this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=b*b},clampPoint:function(a,b){var c=this.center.distanceToSquared(a),d=b||new THREE.Vector3;d.copy(a);c>this.radius*this.radius&&(d.sub(this.center).normalize(),d.multiplyScalar(this.radius).add(this.center));return d},getBoundingBox:function(a){a=a||new THREE.Box3;a.set(this.center,this.center);a.expandByScalar(this.radius);return a},transform:function(a){this.center.applyMatrix4(a);
 this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius},clone:function(){return(new THREE.Sphere).copy(this)}};THREE.Frustum=function(a,b,c,d,e,f){this.planes=[void 0!==a?a:new THREE.Plane,void 0!==b?b:new THREE.Plane,void 0!==c?c:new THREE.Plane,void 0!==d?d:new THREE.Plane,void 0!==e?e:new THREE.Plane,void 0!==f?f:new THREE.Plane]};
 THREE.Frustum.prototype={set:function(a,b,c,d,e,f){var g=this.planes;g[0].copy(a);g[1].copy(b);g[2].copy(c);g[3].copy(d);g[4].copy(e);g[5].copy(f);return this},copy:function(a){for(var b=this.planes,c=0;6>c;c++)b[c].copy(a.planes[c]);return this},setFromMatrix:function(a){var b=this.planes,c=a.elements,a=c[0],d=c[1],e=c[2],f=c[3],g=c[4],h=c[5],i=c[6],k=c[7],m=c[8],p=c[9],n=c[10],s=c[11],q=c[12],l=c[13],r=c[14],c=c[15];b[0].setComponents(f-a,k-g,s-m,c-q).normalize();b[1].setComponents(f+a,k+g,s+m,
 c+q).normalize();b[2].setComponents(f+d,k+h,s+p,c+l).normalize();b[3].setComponents(f-d,k-h,s-p,c-l).normalize();b[4].setComponents(f-e,k-i,s-n,c-r).normalize();b[5].setComponents(f+e,k+i,s+n,c+r).normalize();return this},intersectsObject:function(a){for(var b=a.matrixWorld,c=this.planes,d=b.getPosition(),a=-a.geometry.boundingSphere.radius*b.getMaxScaleOnAxis(),b=0;6>b;b++)if(c[b].distanceToPoint(d)<a)return!1;return!0},intersectsSphere:function(a){for(var b=this.planes,c=a.center,a=-a.radius,d=
-0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},containsPoint:function(a){for(var b=this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0},clone:function(){var a=this.planes;return new THREE.Frustum(a[0],a[1],a[2],a[3],a[4],a[5])}};THREE.Plane=function(a,b){this.normal=void 0!==a?a.clone():new THREE.Vector3(1,0,0);this.constant=void 0!==b?b:0};
+0;6>d;d++)if(b[d].distanceToPoint(c)<a)return!1;return!0},containsPoint:function(a){for(var b=this.planes,c=0;6>c;c++)if(0>b[c].distanceToPoint(a))return!1;return!0},clone:function(){return(new THREE.Frustum).copy(this)}};THREE.Plane=function(a,b){this.normal=void 0!==a?a:new THREE.Vector3(1,0,0);this.constant=void 0!==b?b:0};
 THREE.Plane.prototype={constructor:THREE.Plane,set:function(a,b){this.normal.copy(a);this.constant=b;return this},setComponents:function(a,b,c,d){this.normal.set(a,b,c);this.constant=d;return this},setFromNormalAndCoplanarPoint:function(a,b){this.normal.copy(a).normalize();this.constant=-b.dot(this.normal);return this},setFromCoplanarPoints:function(a,b,c){b=THREE.Plane.__v1.subVectors(c,b).cross(THREE.Plane.__v2.subVectors(a,b)).normalize();this.setFromNormalAndCoplanarPoint(b,a);return this},copy:function(a){this.normal.copy(a.normal);
 this.constant=a.constant;return this},normalize:function(){var a=1/this.normal.length();this.normal.multiplyScalar(a);this.constant*=a;return this},negate:function(){this.constant*=-1;this.normal.negate();return this},distanceToPoint:function(a){return this.normal.dot(a)+this.constant},distanceToSphere:function(a){return this.distanceToPoint(a.center)-a.radius},projectPoint:function(a,b){return this.orthoPoint(a,b).sub(a).negate()},orthoPoint:function(a,b){var c=this.distanceToPoint(a);return(b||
 new THREE.Vector3).copy(this.normal).multiplyScalar(c)},isIntersectionLine:function(a,b){var c=this.distanceToPoint(a),d=this.distanceToPoint(b);return 0>c&&0<d||0>d&&0<c},intersectLine:function(a,b,c){var c=c||new THREE.Vector3,b=THREE.Plane.__v1.subVectors(b,a),d=this.normal.dot(b);if(0==d){if(0==this.distanceToPoint(a))return c.copy(a)}else return d=-(a.dot(this.normal)+this.constant)/d,0>d||1<d?void 0:c.copy(b).multiplyScalar(d).add(a)},coplanarPoint:function(a){return(a||new THREE.Vector3).copy(this.normal).multiplyScalar(-this.constant)},
@@ -109,7 +109,7 @@ this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},multiplyQuatern
 g*g);if(0.001>Math.abs(i))return this.w=0.5*(f+this.w),this.x=0.5*(c+this.x),this.y=0.5*(d+this.y),this.z=0.5*(e+this.z),this;g=Math.sin((1-b)*h)/i;h=Math.sin(b*h)/i;this.w=f*g+this.w*h;this.x=c*g+this.x*h;this.y=d*g+this.y*h;this.z=e*g+this.z*h;return this},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},clone:function(){return new THREE.Quaternion(this.x,this.y,this.z,this.w)}};THREE.Quaternion.slerp=function(a,b,c,d){return c.copy(a).slerp(b,d)};THREE.Spline=function(a){function b(a,b,c,d,e,f,g){a=0.5*(c-a);d=0.5*(d-b);return(2*(b-c)+a+d)*g+(-3*(b-c)-2*a-d)*f+a*e+b}this.points=a;var c=[],d={x:0,y:0,z:0},e,f,g,h,i,k,m,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){e=(this.points.length-1)*a;f=Math.floor(e);g=e-f;c[0]=0===f?f:f-1;c[1]=f;c[2]=f>this.points.length-2?this.points.length-1:f+1;c[3]=f>this.points.length-3?this.points.length-1:
 f+2;k=this.points[c[0]];m=this.points[c[1]];p=this.points[c[2]];n=this.points[c[3]];h=g*g;i=g*h;d.x=b(k.x,m.x,p.x,n.x,g,h,i);d.y=b(k.y,m.y,p.y,n.y,g,h,i);d.z=b(k.z,m.z,p.z,n.z,g,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,e=b=b=0,f=new THREE.Vector3,g=new THREE.Vector3,h=[],i=0;h[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),g.copy(d),i+=g.distanceTo(f),f.copy(d),b*=this.points.length-1,b=Math.floor(b),b!=e&&(h[b]=i,e=b);h[h.length]=i;return{chunks:h,total:i}};this.reparametrizeByArcLength=function(a){var b,c,d,e,f,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);e=(b-1)/(this.points.length-1);f=b/(this.points.length-1);for(c=1;c<g-1;c++)d=e+c*(1/g)*(f-e),d=this.getPoint(d),
-h.push(i.copy(d).clone());h.push(i.copy(this.points[b]).clone())}this.points=h}};THREE.Triangle=function(a,b,c){this.a=new THREE.Vector3;this.b=new THREE.Vector3;this.c=new THREE.Vector3;void 0!==a&&(void 0!==b&&void 0!==c)&&(this.a.copy(a),this.b.copy(b),this.c.copy(c))};THREE.Triangle.normal=function(a,b,c,d){d=d||new THREE.Vector3;d.subVectors(c,b);THREE.Triangle.__v0.subVectors(a,b);d.cross(THREE.Triangle.__v0);a=d.lengthSq();return 0<a?d.multiplyScalar(1/Math.sqrt(a)):d.set(0,0,0)};
+h.push(i.copy(d).clone());h.push(i.copy(this.points[b]).clone())}this.points=h}};THREE.Triangle=function(a,b,c){this.a=void 0!==a?a:new THREE.Vector3;this.b=void 0!==b?b:new THREE.Vector3;this.c=void 0!==c?c:new THREE.Vector3};THREE.Triangle.normal=function(a,b,c,d){d=d||new THREE.Vector3;d.subVectors(c,b);THREE.Triangle.__v0.subVectors(a,b);d.cross(THREE.Triangle.__v0);a=d.lengthSq();return 0<a?d.multiplyScalar(1/Math.sqrt(a)):d.set(0,0,0)};
 THREE.Triangle.barycoordFromPoint=function(a,b,c,d,e){THREE.Triangle.__v0.subVectors(d,b);THREE.Triangle.__v1.subVectors(c,b);THREE.Triangle.__v2.subVectors(a,b);var a=THREE.Triangle.__v0.dot(THREE.Triangle.__v0),b=THREE.Triangle.__v0.dot(THREE.Triangle.__v1),c=THREE.Triangle.__v0.dot(THREE.Triangle.__v2),f=THREE.Triangle.__v1.dot(THREE.Triangle.__v1),d=THREE.Triangle.__v1.dot(THREE.Triangle.__v2),g=a*f-b*b,e=e||new THREE.Vector3;if(0==g)return e.set(-2,-1,-1);g=1/g;f=(f*c-b*d)*g;a=(a*d-b*c)*g;return e.set(1-
 f-a,a,f)};THREE.Triangle.containsPoint=function(a,b,c,d){a=THREE.Triangle.barycoordFromPoint(a,b,c,d,THREE.Triangle.__v3);return 0<=a.x&&0<=a.y&&1>=a.x+a.y};
 THREE.Triangle.prototype={constructor:THREE.Triangle,set:function(a,b,c){this.a.copy(a);this.b.copy(b);this.c.copy(c);return this},setFromPointsAndIndices:function(a,b,c,d){this.a.copy(a[b]);this.b.copy(a[c]);this.c.copy(a[d]);return this},copy:function(a){this.a.copy(a.a);this.b.copy(a.b);this.c.copy(a.c);return this},area:function(){THREE.Triangle.__v0.subVectors(this.c,this.b);THREE.Triangle.__v1.subVectors(this.a,this.b);return 0.5*THREE.Triangle.__v0.cross(THREE.Triangle.__v1).length()},midpoint:function(a){return(a||