Browse Source

Update Curve.js

zz85 13 years ago
parent
commit
0dd53b44c2
2 changed files with 19 additions and 49 deletions
  1. 11 11
      build/Three.js
  2. 8 38
      src/extras/core/Curve.js

+ 11 - 11
build/Three.js

@@ -1,6 +1,6 @@
 // Three.js r46dev - http://github.com/mrdoob/three.js
 // Three.js r46dev - http://github.com/mrdoob/three.js
 var THREE=THREE||{};if(!self.Int32Array)self.Int32Array=Array,self.Float32Array=Array;THREE.Clock=function(a){this.autoStart=a!==void 0?a:!0;this.elapsedTime=this.oldTime=this.startTime=0;this.running=!1};THREE.Clock.prototype.start=function(){this.oldTime=this.startTime=Date.now();this.running=!0};THREE.Clock.prototype.stop=function(){this.getElapsedTime();this.running=!1};THREE.Clock.prototype.getElapsedTime=function(){this.elapsedTime+=this.getDelta();return this.elapsedTime};
 var THREE=THREE||{};if(!self.Int32Array)self.Int32Array=Array,self.Float32Array=Array;THREE.Clock=function(a){this.autoStart=a!==void 0?a:!0;this.elapsedTime=this.oldTime=this.startTime=0;this.running=!1};THREE.Clock.prototype.start=function(){this.oldTime=this.startTime=Date.now();this.running=!0};THREE.Clock.prototype.stop=function(){this.getElapsedTime();this.running=!1};THREE.Clock.prototype.getElapsedTime=function(){this.elapsedTime+=this.getDelta();return this.elapsedTime};
-THREE.Clock.prototype.getDelta=function(){var a=0;this.autoStart&&!this.running&&this.start();if(this.running){var c=Date.now(),a=0.001*(c-this.oldTime);this.oldTime=c;this.elapsedTime+=a}return a};THREE.Color=function(a){a!==void 0&&this.setHex(a);return this};
+THREE.Clock.prototype.getDelta=function(){var a=0;this.autoStart&&!this.running&&this.start();if(this.running){var c=Date.now(),a=0.0010*(c-this.oldTime);this.oldTime=c;this.elapsedTime+=a}return a};THREE.Color=function(a){a!==void 0&&this.setHex(a);return this};
 THREE.Color.prototype={constructor:THREE.Color,r:1,g:1,b:1,copy:function(a){this.r=a.r;this.g=a.g;this.b=a.b;return this},copyGammaToLinear:function(a){this.r=a.r*a.r;this.g=a.g*a.g;this.b=a.b*a.b;return this},copyLinearToGamma:function(a){this.r=Math.sqrt(a.r);this.g=Math.sqrt(a.g);this.b=Math.sqrt(a.b);return this},setRGB:function(a,c,b){this.r=a;this.g=c;this.b=b;return this},setHSV:function(a,c,b){var d,g,e;if(b===0)this.r=this.g=this.b=0;else switch(d=Math.floor(a*6),g=a*6-d,a=b*(1-c),e=b*(1-
 THREE.Color.prototype={constructor:THREE.Color,r:1,g:1,b:1,copy:function(a){this.r=a.r;this.g=a.g;this.b=a.b;return this},copyGammaToLinear:function(a){this.r=a.r*a.r;this.g=a.g*a.g;this.b=a.b*a.b;return this},copyLinearToGamma:function(a){this.r=Math.sqrt(a.r);this.g=Math.sqrt(a.g);this.b=Math.sqrt(a.b);return this},setRGB:function(a,c,b){this.r=a;this.g=c;this.b=b;return this},setHSV:function(a,c,b){var d,g,e;if(b===0)this.r=this.g=this.b=0;else switch(d=Math.floor(a*6),g=a*6-d,a=b*(1-c),e=b*(1-
 c*g),c=b*(1-c*(1-g)),d){case 1:this.r=e;this.g=b;this.b=a;break;case 2:this.r=a;this.g=b;this.b=c;break;case 3:this.r=a;this.g=e;this.b=b;break;case 4:this.r=c;this.g=a;this.b=b;break;case 5:this.r=b;this.g=a;this.b=e;break;case 6:case 0:this.r=b,this.g=c,this.b=a}return this},setHex:function(a){a=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~~(this.r*255)<<16^~~(this.g*255)<<8^~~(this.b*255)},getContextStyle:function(){return"rgb("+
 c*g),c=b*(1-c*(1-g)),d){case 1:this.r=e;this.g=b;this.b=a;break;case 2:this.r=a;this.g=b;this.b=c;break;case 3:this.r=a;this.g=e;this.b=b;break;case 4:this.r=c;this.g=a;this.b=b;break;case 5:this.r=b;this.g=a;this.b=e;break;case 6:case 0:this.r=b,this.g=c,this.b=a}return this},setHex:function(a){a=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~~(this.r*255)<<16^~~(this.g*255)<<8^~~(this.b*255)},getContextStyle:function(){return"rgb("+
 Math.floor(this.r*255)+","+Math.floor(this.g*255)+","+Math.floor(this.b*255)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,c){this.x=a||0;this.y=c||0};
 Math.floor(this.r*255)+","+Math.floor(this.g*255)+","+Math.floor(this.b*255)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}};THREE.Vector2=function(a,c){this.x=a||0;this.y=c||0};
@@ -73,7 +73,7 @@ this.x=a.x*d;this.y=a.y*d;this.z=a.z*d;this.w=Math.cos(b);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);a===0?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 c=
 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);a===0?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 c=
 this.x,b=this.y,d=this.z,g=this.w,e=a.x,f=a.y,h=a.z,a=a.w;this.x=c*a+g*e+b*h-d*f;this.y=b*a+g*f+d*e-c*h;this.z=d*a+g*h+c*f-b*e;this.w=g*a-c*e-b*f-d*h;return this},multiply:function(a,c){this.x=a.x*c.w+a.y*c.z-a.z*c.y+a.w*c.x;this.y=-a.x*c.z+a.y*c.w+a.z*c.x+a.w*c.y;this.z=a.x*c.y-a.y*c.x+a.z*c.w+a.w*c.z;this.w=-a.x*c.x-a.y*c.y-a.z*c.z+a.w*c.w;return this},multiplyVector3:function(a,c){c||(c=a);var b=a.x,d=a.y,g=a.z,e=this.x,f=this.y,h=this.z,i=this.w,l=i*b+f*g-h*d,k=i*d+h*b-e*g,p=i*g+e*d-f*b,b=-e*
 this.x,b=this.y,d=this.z,g=this.w,e=a.x,f=a.y,h=a.z,a=a.w;this.x=c*a+g*e+b*h-d*f;this.y=b*a+g*f+d*e-c*h;this.z=d*a+g*h+c*f-b*e;this.w=g*a-c*e-b*f-d*h;return this},multiply:function(a,c){this.x=a.x*c.w+a.y*c.z-a.z*c.y+a.w*c.x;this.y=-a.x*c.z+a.y*c.w+a.z*c.x+a.w*c.y;this.z=a.x*c.y-a.y*c.x+a.z*c.w+a.w*c.z;this.w=-a.x*c.x-a.y*c.y-a.z*c.z+a.w*c.w;return this},multiplyVector3:function(a,c){c||(c=a);var b=a.x,d=a.y,g=a.z,e=this.x,f=this.y,h=this.z,i=this.w,l=i*b+f*g-h*d,k=i*d+h*b-e*g,p=i*g+e*d-f*b,b=-e*
 b-f*d-h*g;c.x=l*i+b*-e+k*-h-p*-f;c.y=k*i+b*-f+p*-e-l*-h;c.z=p*i+b*-h+l*-f-k*-e;return c}};
 b-f*d-h*g;c.x=l*i+b*-e+k*-h-p*-f;c.y=k*i+b*-f+p*-e-l*-h;c.z=p*i+b*-h+l*-f-k*-e;return c}};
-THREE.Quaternion.slerp=function(a,c,b,d){var g=a.w*c.w+a.x*c.x+a.y*c.y+a.z*c.z;g<0?(b.w=-c.w,b.x=-c.x,b.y=-c.y,b.z=-c.z,g=-g):b.copy(c);if(Math.abs(g)>=1)return b.w=a.w,b.x=a.x,b.y=a.y,b.z=a.z,b;var e=Math.acos(g),g=Math.sqrt(1-g*g);if(Math.abs(g)<0.001)return b.w=0.5*(a.w+c.w),b.x=0.5*(a.x+c.x),b.y=0.5*(a.y+c.y),b.z=0.5*(a.z+c.z),b;c=Math.sin((1-d)*e)/g;d=Math.sin(d*e)/g;b.w=a.w*c+b.w*d;b.x=a.x*c+b.x*d;b.y=a.y*c+b.y*d;b.z=a.z*c+b.z*d;return b};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
+THREE.Quaternion.slerp=function(a,c,b,d){var g=a.w*c.w+a.x*c.x+a.y*c.y+a.z*c.z;g<0?(b.w=-c.w,b.x=-c.x,b.y=-c.y,b.z=-c.z,g=-g):b.copy(c);if(Math.abs(g)>=1)return b.w=a.w,b.x=a.x,b.y=a.y,b.z=a.z,b;var e=Math.acos(g),g=Math.sqrt(1-g*g);if(Math.abs(g)<0.0010)return b.w=0.5*(a.w+c.w),b.x=0.5*(a.x+c.x),b.y=0.5*(a.y+c.y),b.z=0.5*(a.z+c.z),b;c=Math.sin((1-d)*e)/g;d=Math.sin(d*e)/g;b.w=a.w*c+b.w*d;b.x=a.x*c+b.x*d;b.y=a.y*c+b.y*d;b.z=a.z*c+b.z*d;return b};THREE.Vertex=function(a){this.position=a||new THREE.Vector3};
 THREE.Face3=function(a,c,b,d,g,e){this.a=a;this.b=c;this.c=b;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=g instanceof THREE.Color?g:new THREE.Color;this.vertexColors=g instanceof Array?g:[];this.vertexTangents=[];this.materialIndex=e;this.centroid=new THREE.Vector3};
 THREE.Face3=function(a,c,b,d,g,e){this.a=a;this.b=c;this.c=b;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=g instanceof THREE.Color?g:new THREE.Color;this.vertexColors=g instanceof Array?g:[];this.vertexTangents=[];this.materialIndex=e;this.centroid=new THREE.Vector3};
 THREE.Face4=function(a,c,b,d,g,e,f){this.a=a;this.b=c;this.c=b;this.d=d;this.normal=g instanceof THREE.Vector3?g:new THREE.Vector3;this.vertexNormals=g instanceof Array?g:[];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.UV=function(a,c){this.u=a||0;this.v=c||0};
 THREE.Face4=function(a,c,b,d,g,e,f){this.a=a;this.b=c;this.c=b;this.d=d;this.normal=g instanceof THREE.Vector3?g:new THREE.Vector3;this.vertexNormals=g instanceof Array?g:[];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.UV=function(a,c){this.u=a||0;this.v=c||0};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,c){this.u=a;this.v=c;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)}};
 THREE.UV.prototype={constructor:THREE.UV,set:function(a,c){this.u=a;this.v=c;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)}};
@@ -374,21 +374,21 @@ THREE.ShaderChunk.shadowmap_pars_vertex,"void main() {\nvec4 mvPosition = modelV
 THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n")},cube:{uniforms:{tCube:{type:"t",value:1,texture:null},tFlip:{type:"f",value:-1}},vertexShader:"varying vec3 vViewPosition;\nvoid main() {\nvec4 mPosition = objectMatrix * vec4( position, 1.0 );\nvViewPosition = cameraPosition - mPosition.xyz;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform samplerCube tCube;\nuniform float tFlip;\nvarying vec3 vViewPosition;\nvoid main() {\nvec3 wPos = cameraPosition - vViewPosition;\ngl_FragColor = textureCube( tCube, vec3( tFlip * wPos.x, wPos.yz ) );\n}"}}};
 THREE.ShaderChunk.shadowmap_vertex,"}"].join("\n")},cube:{uniforms:{tCube:{type:"t",value:1,texture:null},tFlip:{type:"f",value:-1}},vertexShader:"varying vec3 vViewPosition;\nvoid main() {\nvec4 mPosition = objectMatrix * vec4( position, 1.0 );\nvViewPosition = cameraPosition - mPosition.xyz;\ngl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",fragmentShader:"uniform samplerCube tCube;\nuniform float tFlip;\nvarying vec3 vViewPosition;\nvoid main() {\nvec3 wPos = cameraPosition - vViewPosition;\ngl_FragColor = textureCube( tCube, vec3( tFlip * wPos.x, wPos.yz ) );\n}"}}};
 THREE.Curve=function(){};THREE.Curve.prototype.getPoint=function(){console.log("Warning, getPoint() not implemented!");return null};THREE.Curve.prototype.getPointAt=function(a){return this.getPoint(this.getUtoTmapping(a))};THREE.Curve.prototype.getPoints=function(a){a||(a=5);var c,b=[];for(c=0;c<=a;c++)b.push(this.getPoint(c/a));return b};THREE.Curve.prototype.getSpacedPoints=function(a){a||(a=5);var c,b=[];for(c=0;c<=a;c++)b.push(this.getPointAt(c/a));return b};
 THREE.Curve=function(){};THREE.Curve.prototype.getPoint=function(){console.log("Warning, getPoint() not implemented!");return null};THREE.Curve.prototype.getPointAt=function(a){return this.getPoint(this.getUtoTmapping(a))};THREE.Curve.prototype.getPoints=function(a){a||(a=5);var c,b=[];for(c=0;c<=a;c++)b.push(this.getPoint(c/a));return b};THREE.Curve.prototype.getSpacedPoints=function(a){a||(a=5);var c,b=[];for(c=0;c<=a;c++)b.push(this.getPointAt(c/a));return b};
 THREE.Curve.prototype.getLength=function(){var a=this.getLengths();return a[a.length-1]};THREE.Curve.prototype.getLengths=function(a){a||(a=200);if(this.cacheArcLengths&&this.cacheArcLengths.length==a+1)return this.cacheArcLengths;var c=[],b,d=this.getPoint(0),g,e=0;c.push(0);for(g=1;g<=a;g++)b=this.getPoint(g/a),e+=b.distanceTo(d),c.push(e),d=b;return this.cacheArcLengths=c};
 THREE.Curve.prototype.getLength=function(){var a=this.getLengths();return a[a.length-1]};THREE.Curve.prototype.getLengths=function(a){a||(a=200);if(this.cacheArcLengths&&this.cacheArcLengths.length==a+1)return this.cacheArcLengths;var c=[],b,d=this.getPoint(0),g,e=0;c.push(0);for(g=1;g<=a;g++)b=this.getPoint(g/a),e+=b.distanceTo(d),c.push(e),d=b;return this.cacheArcLengths=c};
-THREE.Curve.prototype.getUtoTmapping=function(a,c){var b=this.getLengths(),d=0,g=b.length,e;e=c?c:a*b[g-1];Date.now();for(var f=0,h=g-1,i;f<=h;)if(d=Math.floor(f+(h-f)/2),i=b[d]-e,i<0)f=d+1;else if(i>0)h=d-1;else{h=d;break}d=h;if(b[d]==e)return d/(g-1);f=b[d];return b=(d+(e-f)/(b[d+1]-f))/(g-1)};THREE.Curve.prototype.getNormalVector=function(a){a=this.getTangent(a);return new THREE.Vector2(-a.y,a.x)};
-THREE.Curve.prototype.getTangent=function(a){var c=a-1.0E-4;a+=1.0E-4;c<0&&(c=0);a>1&&(a=1);var c=this.getPoint(c),a=this.getPoint(a),b=new THREE.Vector2;b.sub(a,c);return b.unit()};THREE.LineCurve=function(a,c){a instanceof THREE.Vector2?(this.v1=a,this.v2=c):THREE.LineCurve.oldConstructor.apply(this,arguments)};THREE.LineCurve.oldConstructor=function(a,c,b,d){this.constructor(new THREE.Vector2(a,c),new THREE.Vector2(b,d))};THREE.LineCurve.prototype=new THREE.Curve;
-THREE.LineCurve.prototype.constructor=THREE.LineCurve;THREE.LineCurve.prototype.getPoint=function(a){var c=new THREE.Vector2;c.sub(this.v2,this.v1);c.multiplyScalar(a).addSelf(this.v1);return c};THREE.LineCurve.prototype.getPointAt=function(a){return this.getPoint(a)};THREE.LineCurve.prototype.getTangent=function(){var a=new THREE.Vector2;a.sub(this.v2,this.v1);a.normalize();return a};
+THREE.Curve.prototype.getUtoTmapping=function(a,c){var b=this.getLengths(),d=0,g=b.length,e;e=c?c:a*b[g-1];for(var f=0,h=g-1,i;f<=h;)if(d=Math.floor(f+(h-f)/2),i=b[d]-e,i<0)f=d+1;else if(i>0)h=d-1;else{h=d;break}d=h;if(b[d]==e)return d/(g-1);f=b[d];return b=(d+(e-f)/(b[d+1]-f))/(g-1)};THREE.Curve.prototype.getNormalVector=function(a){a=this.getTangent(a);return new THREE.Vector2(-a.y,a.x)};
+THREE.Curve.prototype.getTangent=function(a){var c=a-1.0E-4;a+=1.0E-4;c<0&&(c=0);a>1&&(a=1);c=this.getPoint(c);a=this.getPoint(a);return c.clone().subSelf(a).normalize()};THREE.LineCurve=function(a,c){a instanceof THREE.Vector2?(this.v1=a,this.v2=c):THREE.LineCurve.oldConstructor.apply(this,arguments)};THREE.LineCurve.oldConstructor=function(a,c,b,d){this.constructor(new THREE.Vector2(a,c),new THREE.Vector2(b,d))};THREE.LineCurve.prototype=new THREE.Curve;THREE.LineCurve.prototype.constructor=THREE.LineCurve;
+THREE.LineCurve.prototype.getPoint=function(a){var c=new THREE.Vector2;c.sub(this.v2,this.v1);c.multiplyScalar(a).addSelf(this.v1);return c};THREE.LineCurve.prototype.getPointAt=function(a){return this.getPoint(a)};THREE.LineCurve.prototype.getTangent=function(){var a=new THREE.Vector2;a.sub(this.v2,this.v1);a.normalize();return a};
 THREE.QuadraticBezierCurve=function(a,c,b){if(!(c instanceof THREE.Vector2))var d=Array.prototype.slice.call(arguments),a=new THREE.Vector2(d[0],d[1]),c=new THREE.Vector2(d[2],d[3]),b=new THREE.Vector2(d[4],d[5]);this.v0=a;this.v1=c;this.v2=b};THREE.QuadraticBezierCurve.prototype=new THREE.Curve;THREE.QuadraticBezierCurve.prototype.constructor=THREE.QuadraticBezierCurve;
 THREE.QuadraticBezierCurve=function(a,c,b){if(!(c instanceof THREE.Vector2))var d=Array.prototype.slice.call(arguments),a=new THREE.Vector2(d[0],d[1]),c=new THREE.Vector2(d[2],d[3]),b=new THREE.Vector2(d[4],d[5]);this.v0=a;this.v1=c;this.v2=b};THREE.QuadraticBezierCurve.prototype=new THREE.Curve;THREE.QuadraticBezierCurve.prototype.constructor=THREE.QuadraticBezierCurve;
 THREE.QuadraticBezierCurve.prototype.getPoint=function(a){var c;c=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);return new THREE.Vector2(c,a)};THREE.QuadraticBezierCurve.prototype.getTangent=function(a){var c;c=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.y,this.v1.y,this.v2.y);c=new THREE.Vector2(c,a);c.normalize();return c};
 THREE.QuadraticBezierCurve.prototype.getPoint=function(a){var c;c=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);return new THREE.Vector2(c,a)};THREE.QuadraticBezierCurve.prototype.getTangent=function(a){var c;c=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.x,this.v1.x,this.v2.x);a=THREE.Curve.Utils.tangentQuadraticBezier(a,this.v0.y,this.v1.y,this.v2.y);c=new THREE.Vector2(c,a);c.normalize();return c};
 THREE.CubicBezierCurve=function(a,c,b,d){if(!(c instanceof THREE.Vector2))var g=Array.prototype.slice.call(arguments),a=new THREE.Vector2(g[0],g[1]),c=new THREE.Vector2(g[2],g[3]),b=new THREE.Vector2(g[4],g[5]),d=new THREE.Vector2(g[6],g[7]);this.v0=a;this.v1=c;this.v2=b;this.v3=d};THREE.CubicBezierCurve.prototype=new THREE.Curve;THREE.CubicBezierCurve.prototype.constructor=THREE.CubicBezierCurve;
 THREE.CubicBezierCurve=function(a,c,b,d){if(!(c instanceof THREE.Vector2))var g=Array.prototype.slice.call(arguments),a=new THREE.Vector2(g[0],g[1]),c=new THREE.Vector2(g[2],g[3]),b=new THREE.Vector2(g[4],g[5]),d=new THREE.Vector2(g[6],g[7]);this.v0=a;this.v1=c;this.v2=b;this.v3=d};THREE.CubicBezierCurve.prototype=new THREE.Curve;THREE.CubicBezierCurve.prototype.constructor=THREE.CubicBezierCurve;
 THREE.CubicBezierCurve.prototype.getPoint=function(a){var c;c=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);return new THREE.Vector2(c,a)};THREE.CubicBezierCurve.prototype.getTangent=function(a){var c;c=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);c=new THREE.Vector2(c,a);c.normalize();return c};
 THREE.CubicBezierCurve.prototype.getPoint=function(a){var c;c=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);return new THREE.Vector2(c,a)};THREE.CubicBezierCurve.prototype.getTangent=function(a){var c;c=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);a=THREE.Curve.Utils.tangentCubicBezier(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);c=new THREE.Vector2(c,a);c.normalize();return c};
-THREE.SplineCurve=function(a){this.points=a};THREE.SplineCurve.prototype=new THREE.Curve;THREE.SplineCurve.prototype.constructor=THREE.SplineCurve;
+THREE.SplineCurve=function(a){this.points=a==void 0?[]:a};THREE.SplineCurve.prototype=new THREE.Curve;THREE.SplineCurve.prototype.constructor=THREE.SplineCurve;
 THREE.SplineCurve.prototype.getPoint=function(a){var c=new THREE.Vector2,b=[],d=this.points,g;g=(d.length-1)*a;a=Math.floor(g);g-=a;b[0]=a==0?a:a-1;b[1]=a;b[2]=a>d.length-2?a:a+1;b[3]=a>d.length-3?a:a+2;c.x=THREE.Curve.Utils.interpolate(d[b[0]].x,d[b[1]].x,d[b[2]].x,d[b[3]].x,g);c.y=THREE.Curve.Utils.interpolate(d[b[0]].y,d[b[1]].y,d[b[2]].y,d[b[3]].y,g);return c};THREE.ArcCurve=function(a,c,b,d,g,e){this.aX=a;this.aY=c;this.aRadius=b;this.aStartAngle=d;this.aEndAngle=g;this.aClockwise=e};
 THREE.SplineCurve.prototype.getPoint=function(a){var c=new THREE.Vector2,b=[],d=this.points,g;g=(d.length-1)*a;a=Math.floor(g);g-=a;b[0]=a==0?a:a-1;b[1]=a;b[2]=a>d.length-2?a:a+1;b[3]=a>d.length-3?a:a+2;c.x=THREE.Curve.Utils.interpolate(d[b[0]].x,d[b[1]].x,d[b[2]].x,d[b[3]].x,g);c.y=THREE.Curve.Utils.interpolate(d[b[0]].y,d[b[1]].y,d[b[2]].y,d[b[3]].y,g);return c};THREE.ArcCurve=function(a,c,b,d,g,e){this.aX=a;this.aY=c;this.aRadius=b;this.aStartAngle=d;this.aEndAngle=g;this.aClockwise=e};
 THREE.ArcCurve.prototype=new THREE.Curve;THREE.ArcCurve.prototype.constructor=THREE.ArcCurve;THREE.ArcCurve.prototype.getPoint=function(a){var c=this.aEndAngle-this.aStartAngle;this.aClockwise||(a=1-a);a=this.aStartAngle+a*c;return new THREE.Vector2(this.aX+this.aRadius*Math.cos(a),this.aY+this.aRadius*Math.sin(a))};
 THREE.ArcCurve.prototype=new THREE.Curve;THREE.ArcCurve.prototype.constructor=THREE.ArcCurve;THREE.ArcCurve.prototype.getPoint=function(a){var c=this.aEndAngle-this.aStartAngle;this.aClockwise||(a=1-a);a=this.aStartAngle+a*c;return new THREE.Vector2(this.aX+this.aRadius*Math.cos(a),this.aY+this.aRadius*Math.sin(a))};
 THREE.Curve.Utils={tangentQuadraticBezier:function(a,c,b,d){return 2*(1-a)*(b-c)+2*a*(d-b)},tangentCubicBezier:function(a,c,b,d,g){return-3*c*(1-a)*(1-a)+3*b*(1-a)*(1-a)-6*a*b*(1-a)+6*a*d*(1-a)-3*a*a*d+3*a*a*g},tangentSpline:function(a){return 6*a*a-6*a+(3*a*a-4*a+1)+(-6*a*a+6*a)+(3*a*a-2*a)},interpolate:function(a,c,b,d,g){var a=(b-a)*0.5,d=(d-c)*0.5,e=g*g;return(2*c-2*b+a+d)*g*e+(-3*c+3*b-2*a-d)*e+a*g+c}};
 THREE.Curve.Utils={tangentQuadraticBezier:function(a,c,b,d){return 2*(1-a)*(b-c)+2*a*(d-b)},tangentCubicBezier:function(a,c,b,d,g){return-3*c*(1-a)*(1-a)+3*b*(1-a)*(1-a)-6*a*b*(1-a)+6*a*d*(1-a)-3*a*a*d+3*a*a*g},tangentSpline:function(a){return 6*a*a-6*a+(3*a*a-4*a+1)+(-6*a*a+6*a)+(3*a*a-2*a)},interpolate:function(a,c,b,d,g){var a=(b-a)*0.5,d=(d-c)*0.5,e=g*g;return(2*c-2*b+a+d)*g*e+(-3*c+3*b-2*a-d)*e+a*g+c}};
 THREE.Curve.create=function(a,c){a.prototype=new THREE.Curve;a.prototype.constructor=a;a.prototype.getPoint=c;return a};THREE.LineCurve3=THREE.Curve.create(function(a,c){this.v1=a;this.v2=c},function(a){var c=new THREE.Vector3;c.sub(this.v2,this.v1);c.multiplyScalar(a);c.addSelf(this.v1);return c});
 THREE.Curve.create=function(a,c){a.prototype=new THREE.Curve;a.prototype.constructor=a;a.prototype.getPoint=c;return a};THREE.LineCurve3=THREE.Curve.create(function(a,c){this.v1=a;this.v2=c},function(a){var c=new THREE.Vector3;c.sub(this.v2,this.v1);c.multiplyScalar(a);c.addSelf(this.v1);return c});
 THREE.QuadraticBezierCurve3=THREE.Curve.create(function(a,c,b){this.v0=a;this.v1=c;this.v2=b},function(a){var c,b;c=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);b=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);a=THREE.Shape.Utils.b2(a,this.v0.z,this.v1.z,this.v2.z);return new THREE.Vector3(c,b,a)});
 THREE.QuadraticBezierCurve3=THREE.Curve.create(function(a,c,b){this.v0=a;this.v1=c;this.v2=b},function(a){var c,b;c=THREE.Shape.Utils.b2(a,this.v0.x,this.v1.x,this.v2.x);b=THREE.Shape.Utils.b2(a,this.v0.y,this.v1.y,this.v2.y);a=THREE.Shape.Utils.b2(a,this.v0.z,this.v1.z,this.v2.z);return new THREE.Vector3(c,b,a)});
 THREE.CubicBezierCurve3=THREE.Curve.create(function(a,c,b,d){this.v0=a;this.v1=c;this.v2=b;this.v3=d},function(a){var c,b;c=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);b=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);a=THREE.Shape.Utils.b3(a,this.v0.z,this.v1.z,this.v2.z,this.v3.z);return new THREE.Vector3(c,b,a)});
 THREE.CubicBezierCurve3=THREE.Curve.create(function(a,c,b,d){this.v0=a;this.v1=c;this.v2=b;this.v3=d},function(a){var c,b;c=THREE.Shape.Utils.b3(a,this.v0.x,this.v1.x,this.v2.x,this.v3.x);b=THREE.Shape.Utils.b3(a,this.v0.y,this.v1.y,this.v2.y,this.v3.y);a=THREE.Shape.Utils.b3(a,this.v0.z,this.v1.z,this.v2.z,this.v3.z);return new THREE.Vector3(c,b,a)});
-THREE.SplineCurve3=THREE.Curve.create(function(a){this.points=a},function(a){var c=new THREE.Vector3,b=[],d=this.points,g;g=(d.length-1)*a;a=Math.floor(g);g-=a;b[0]=a==0?a:a-1;b[1]=a;b[2]=a>d.length-2?a:a+1;b[3]=a>d.length-3?a:a+2;c.x=THREE.Curve.Utils.interpolate(d[b[0]].x,d[b[1]].x,d[b[2]].x,d[b[3]].x,g);c.y=THREE.Curve.Utils.interpolate(d[b[0]].y,d[b[1]].y,d[b[2]].y,d[b[3]].y,g);c.z=THREE.Curve.Utils.interpolate(d[b[0]].z,d[b[1]].z,d[b[2]].z,d[b[3]].z,g);return c});
+THREE.SplineCurve3=THREE.Curve.create(function(a){this.points=a==void 0?[]:a},function(a){var c=new THREE.Vector3,b=[],d=this.points,g;g=(d.length-1)*a;a=Math.floor(g);g-=a;b[0]=a==0?a:a-1;b[1]=a;b[2]=a>d.length-2?a:a+1;b[3]=a>d.length-3?a:a+2;c.x=THREE.Curve.Utils.interpolate(d[b[0]].x,d[b[1]].x,d[b[2]].x,d[b[3]].x,g);c.y=THREE.Curve.Utils.interpolate(d[b[0]].y,d[b[1]].y,d[b[2]].y,d[b[3]].y,g);c.z=THREE.Curve.Utils.interpolate(d[b[0]].z,d[b[1]].z,d[b[2]].z,d[b[3]].z,g);return c});
 THREE.CurvePath=function(){this.curves=[];this.bends=[]};THREE.CurvePath.prototype=new THREE.Curve;THREE.CurvePath.prototype.constructor=THREE.CurvePath;THREE.CurvePath.prototype.add=function(a){this.curves.push(a)};THREE.CurvePath.prototype.checkConnection=function(){};THREE.CurvePath.prototype.closePath=function(){};
 THREE.CurvePath=function(){this.curves=[];this.bends=[]};THREE.CurvePath.prototype=new THREE.Curve;THREE.CurvePath.prototype.constructor=THREE.CurvePath;THREE.CurvePath.prototype.add=function(a){this.curves.push(a)};THREE.CurvePath.prototype.checkConnection=function(){};THREE.CurvePath.prototype.closePath=function(){};
 THREE.CurvePath.prototype.getPoint=function(a){for(var c=a*this.getLength(),b=this.getCurveLengths(),a=0;a<b.length;){if(b[a]>=c)return c=b[a]-c,a=this.curves[a],c=1-c/a.getLength(),a.getPointAt(c);a++}return null};THREE.CurvePath.prototype.getLength=function(){var a=this.getCurveLengths();return a[a.length-1]};
 THREE.CurvePath.prototype.getPoint=function(a){for(var c=a*this.getLength(),b=this.getCurveLengths(),a=0;a<b.length;){if(b[a]>=c)return c=b[a]-c,a=this.curves[a],c=1-c/a.getLength(),a.getPointAt(c);a++}return null};THREE.CurvePath.prototype.getLength=function(){var a=this.getCurveLengths();return a[a.length-1]};
 THREE.CurvePath.prototype.getCurveLengths=function(){if(this.cacheLengths&&this.cacheLengths.length==this.curves.length)return this.cacheLengths;var a=[],c=0,b,d=this.curves.length;for(b=0;b<d;b++)c+=this.curves[b].getLength(),a.push(c);return this.cacheLengths=a};
 THREE.CurvePath.prototype.getCurveLengths=function(){if(this.cacheLengths&&this.cacheLengths.length==this.curves.length)return this.cacheLengths;var a=[],c=0,b,d=this.curves.length;for(b=0;b<d;b++)c+=this.curves[b].getLength(),a.push(c);return this.cacheLengths=a};
@@ -446,7 +446,7 @@ THREE.CombinedCamera.prototype.toOrthographic=function(){var a=Math.tan(this.fov
 THREE.CombinedCamera.prototype.setFov=function(a){this.fov=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.setLens=function(a,c){c||(c=43.25);var b=2*Math.atan(c/(a*2));b*=180/Math.PI;this.setFov(b);return b};THREE.CombinedCamera.prototype.setZoom=function(a){this.zoom=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};
 THREE.CombinedCamera.prototype.setFov=function(a){this.fov=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};THREE.CombinedCamera.prototype.setLens=function(a,c){c||(c=43.25);var b=2*Math.atan(c/(a*2));b*=180/Math.PI;this.setFov(b);return b};THREE.CombinedCamera.prototype.setZoom=function(a){this.zoom=a;this.inPersepectiveMode?this.toPerspective():this.toOrthographic()};
 THREE.CombinedCamera.prototype.toFrontView=function(){this.rotation.x=0;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBackView=function(){this.rotation.x=0;this.rotation.y=Math.PI;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toLeftView=function(){this.rotation.x=0;this.rotation.y=-Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};
 THREE.CombinedCamera.prototype.toFrontView=function(){this.rotation.x=0;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBackView=function(){this.rotation.x=0;this.rotation.y=Math.PI;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toLeftView=function(){this.rotation.x=0;this.rotation.y=-Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};
 THREE.CombinedCamera.prototype.toRightView=function(){this.rotation.x=0;this.rotation.y=Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toTopView=function(){this.rotation.x=-Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBottomView=function(){this.rotation.x=Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
 THREE.CombinedCamera.prototype.toRightView=function(){this.rotation.x=0;this.rotation.y=Math.PI/2;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toTopView=function(){this.rotation.x=-Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};THREE.CombinedCamera.prototype.toBottomView=function(){this.rotation.x=Math.PI/2;this.rotation.y=0;this.rotation.z=0;this.rotationAutoUpdate=!1};
-THREE.FirstPersonControls=function(a,c){function b(a,b){return function(){b.apply(a,arguments)}}this.object=a;this.target=new THREE.Vector3(0,0,0);this.domElement=c!==void 0?c:document;this.movementSpeed=1;this.lookSpeed=0.005;this.noFly=!1;this.lookVertical=!0;this.autoForward=!1;this.activeLook=!0;this.heightSpeed=!1;this.heightCoef=1;this.heightMin=0;this.constrainVertical=!1;this.verticalMin=0;this.verticalMax=Math.PI;this.theta=this.phi=this.lon=this.lat=this.mouseY=this.mouseX=this.autoSpeedFactor=
+THREE.FirstPersonControls=function(a,c){function b(a,b){return function(){b.apply(a,arguments)}}this.object=a;this.target=new THREE.Vector3(0,0,0);this.domElement=c!==void 0?c:document;this.movementSpeed=1;this.lookSpeed=0.0050;this.noFly=!1;this.lookVertical=!0;this.autoForward=!1;this.activeLook=!0;this.heightSpeed=!1;this.heightCoef=1;this.heightMin=0;this.constrainVertical=!1;this.verticalMin=0;this.verticalMax=Math.PI;this.theta=this.phi=this.lon=this.lat=this.mouseY=this.mouseX=this.autoSpeedFactor=
 0;this.mouseDragOn=this.freeze=this.moveRight=this.moveLeft=this.moveBackward=this.moveForward=!1;this.domElement===document?(this.viewHalfX=window.innerWidth/2,this.viewHalfY=window.innerHeight/2):(this.viewHalfX=this.domElement.offsetWidth/2,this.viewHalfY=this.domElement.offsetHeight/2,this.domElement.setAttribute("tabindex",-1));this.onMouseDown=function(a){this.domElement!==document&&this.domElement.focus();a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=
 0;this.mouseDragOn=this.freeze=this.moveRight=this.moveLeft=this.moveBackward=this.moveForward=!1;this.domElement===document?(this.viewHalfX=window.innerWidth/2,this.viewHalfY=window.innerHeight/2):(this.viewHalfX=this.domElement.offsetWidth/2,this.viewHalfY=this.domElement.offsetHeight/2,this.domElement.setAttribute("tabindex",-1));this.onMouseDown=function(a){this.domElement!==document&&this.domElement.focus();a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=
 !0;break;case 2:this.moveBackward=!0}this.mouseDragOn=!0};this.onMouseUp=function(a){a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=!1;break;case 2:this.moveBackward=!1}this.mouseDragOn=!1};this.onMouseMove=function(a){this.domElement===document?(this.mouseX=a.pageX-this.viewHalfX,this.mouseY=a.pageY-this.viewHalfY):(this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX,this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY)};this.onKeyDown=
 !0;break;case 2:this.moveBackward=!0}this.mouseDragOn=!0};this.onMouseUp=function(a){a.preventDefault();a.stopPropagation();if(this.activeLook)switch(a.button){case 0:this.moveForward=!1;break;case 2:this.moveBackward=!1}this.mouseDragOn=!1};this.onMouseMove=function(a){this.domElement===document?(this.mouseX=a.pageX-this.viewHalfX,this.mouseY=a.pageY-this.viewHalfY):(this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX,this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY)};this.onKeyDown=
 function(a){switch(a.keyCode){case 38:case 87:this.moveForward=!0;break;case 37:case 65:this.moveLeft=!0;break;case 40:case 83:this.moveBackward=!0;break;case 39:case 68:this.moveRight=!0;break;case 82:this.moveUp=!0;break;case 70:this.moveDown=!0;break;case 81:this.freeze=!this.freeze}};this.onKeyUp=function(a){switch(a.keyCode){case 38:case 87:this.moveForward=!1;break;case 37:case 65:this.moveLeft=!1;break;case 40:case 83:this.moveBackward=!1;break;case 39:case 68:this.moveRight=!1;break;case 82:this.moveUp=
 function(a){switch(a.keyCode){case 38:case 87:this.moveForward=!0;break;case 37:case 65:this.moveLeft=!0;break;case 40:case 83:this.moveBackward=!0;break;case 39:case 68:this.moveRight=!0;break;case 82:this.moveUp=!0;break;case 70:this.moveDown=!0;break;case 81:this.freeze=!this.freeze}};this.onKeyUp=function(a){switch(a.keyCode){case 38:case 87:this.moveForward=!1;break;case 37:case 65:this.moveLeft=!1;break;case 40:case 83:this.moveBackward=!1;break;case 39:case 68:this.moveRight=!1;break;case 82:this.moveUp=
@@ -456,14 +456,14 @@ this.object.translateX(b);this.moveUp&&this.object.translateY(b);this.moveDown&&
 Math.sin(this.theta);this.object.lookAt(a)};this.domElement.addEventListener("contextmenu",function(a){a.preventDefault()},!1);this.domElement.addEventListener("mousemove",b(this,this.onMouseMove),!1);this.domElement.addEventListener("mousedown",b(this,this.onMouseDown),!1);this.domElement.addEventListener("mouseup",b(this,this.onMouseUp),!1);this.domElement.addEventListener("keydown",b(this,this.onKeyDown),!1);this.domElement.addEventListener("keyup",b(this,this.onKeyUp),!1)};
 Math.sin(this.theta);this.object.lookAt(a)};this.domElement.addEventListener("contextmenu",function(a){a.preventDefault()},!1);this.domElement.addEventListener("mousemove",b(this,this.onMouseMove),!1);this.domElement.addEventListener("mousedown",b(this,this.onMouseDown),!1);this.domElement.addEventListener("mouseup",b(this,this.onMouseUp),!1);this.domElement.addEventListener("keydown",b(this,this.onKeyDown),!1);this.domElement.addEventListener("keyup",b(this,this.onKeyUp),!1)};
 THREE.PathControls=function(a,c){function b(a){if((a*=2)<1)return 0.5*a*a;return-0.5*(--a*(a-2)-1)}function d(a,b){return function(){b.apply(a,arguments)}}function g(a,b,c,d){var e={name:c,fps:0.6,length:d,hierarchy:[]},f,g=b.getControlPointsArray(),h=b.getLength(),o=g.length,s=0;f=o-1;b={parent:-1,keys:[]};b.keys[0]={time:0,pos:g[0],rot:[0,0,0,1],scl:[1,1,1]};b.keys[f]={time:d,pos:g[f],rot:[0,0,0,1],scl:[1,1,1]};for(f=1;f<o-1;f++)s=d*h.chunks[f]/h.total,b.keys[f]={time:s,pos:g[f]};e.hierarchy[0]=
 THREE.PathControls=function(a,c){function b(a){if((a*=2)<1)return 0.5*a*a;return-0.5*(--a*(a-2)-1)}function d(a,b){return function(){b.apply(a,arguments)}}function g(a,b,c,d){var e={name:c,fps:0.6,length:d,hierarchy:[]},f,g=b.getControlPointsArray(),h=b.getLength(),o=g.length,s=0;f=o-1;b={parent:-1,keys:[]};b.keys[0]={time:0,pos:g[0],rot:[0,0,0,1],scl:[1,1,1]};b.keys[f]={time:d,pos:g[f],rot:[0,0,0,1],scl:[1,1,1]};for(f=1;f<o-1;f++)s=d*h.chunks[f]/h.total,b.keys[f]={time:s,pos:g[f]};e.hierarchy[0]=
 b;THREE.AnimationHandler.add(e);return new THREE.Animation(a,c,THREE.AnimationHandler.CATMULLROM_FORWARD,!1)}function e(a,b){var c,d,e=new THREE.Geometry;for(c=0;c<a.points.length*b;c++)d=c/(a.points.length*b),d=a.getPoint(d),e.vertices[c]=new THREE.Vertex(new THREE.Vector3(d.x,d.y,d.z));return e}this.object=a;this.domElement=c!==void 0?c:document;this.id="PathControls"+THREE.PathControlsIdCounter++;this.duration=1E4;this.waypoints=[];this.useConstantSpeed=!0;this.resamplingCoef=50;this.debugPath=
 b;THREE.AnimationHandler.add(e);return new THREE.Animation(a,c,THREE.AnimationHandler.CATMULLROM_FORWARD,!1)}function e(a,b){var c,d,e=new THREE.Geometry;for(c=0;c<a.points.length*b;c++)d=c/(a.points.length*b),d=a.getPoint(d),e.vertices[c]=new THREE.Vertex(new THREE.Vector3(d.x,d.y,d.z));return e}this.object=a;this.domElement=c!==void 0?c:document;this.id="PathControls"+THREE.PathControlsIdCounter++;this.duration=1E4;this.waypoints=[];this.useConstantSpeed=!0;this.resamplingCoef=50;this.debugPath=
-new THREE.Object3D;this.debugDummy=new THREE.Object3D;this.animationParent=new THREE.Object3D;this.lookSpeed=0.005;this.lookHorizontal=this.lookVertical=!0;this.verticalAngleMap={srcRange:[0,2*Math.PI],dstRange:[0,2*Math.PI]};this.horizontalAngleMap={srcRange:[0,2*Math.PI],dstRange:[0,2*Math.PI]};this.target=new THREE.Object3D;this.theta=this.phi=this.lon=this.lat=this.mouseY=this.mouseX=0;this.domElement===document?(this.viewHalfX=window.innerWidth/2,this.viewHalfY=window.innerHeight/2):(this.viewHalfX=
+new THREE.Object3D;this.debugDummy=new THREE.Object3D;this.animationParent=new THREE.Object3D;this.lookSpeed=0.0050;this.lookHorizontal=this.lookVertical=!0;this.verticalAngleMap={srcRange:[0,2*Math.PI],dstRange:[0,2*Math.PI]};this.horizontalAngleMap={srcRange:[0,2*Math.PI],dstRange:[0,2*Math.PI]};this.target=new THREE.Object3D;this.theta=this.phi=this.lon=this.lat=this.mouseY=this.mouseX=0;this.domElement===document?(this.viewHalfX=window.innerWidth/2,this.viewHalfY=window.innerHeight/2):(this.viewHalfX=
 this.domElement.offsetWidth/2,this.viewHalfY=this.domElement.offsetHeight/2,this.domElement.setAttribute("tabindex",-1));var f=Math.PI*2,h=Math.PI/180;this.update=function(a){var c;this.lookHorizontal&&(this.lon+=this.mouseX*this.lookSpeed*a);this.lookVertical&&(this.lat-=this.mouseY*this.lookSpeed*a);this.lon=Math.max(0,Math.min(360,this.lon));this.lat=Math.max(-85,Math.min(85,this.lat));this.phi=(90-this.lat)*h;this.theta=this.lon*h;a=this.phi%f;this.phi=a>=0?a:a+f;c=this.verticalAngleMap.srcRange;
 this.domElement.offsetWidth/2,this.viewHalfY=this.domElement.offsetHeight/2,this.domElement.setAttribute("tabindex",-1));var f=Math.PI*2,h=Math.PI/180;this.update=function(a){var c;this.lookHorizontal&&(this.lon+=this.mouseX*this.lookSpeed*a);this.lookVertical&&(this.lat-=this.mouseY*this.lookSpeed*a);this.lon=Math.max(0,Math.min(360,this.lon));this.lat=Math.max(-85,Math.min(85,this.lat));this.phi=(90-this.lat)*h;this.theta=this.lon*h;a=this.phi%f;this.phi=a>=0?a:a+f;c=this.verticalAngleMap.srcRange;
 a=this.verticalAngleMap.dstRange;c=THREE.Math.mapLinear(this.phi,c[0],c[1],a[0],a[1]);var d=a[1]-a[0];this.phi=b((c-a[0])/d)*d+a[0];c=this.horizontalAngleMap.srcRange;a=this.horizontalAngleMap.dstRange;c=THREE.Math.mapLinear(this.theta,c[0],c[1],a[0],a[1]);d=a[1]-a[0];this.theta=b((c-a[0])/d)*d+a[0];a=this.target.position;a.x=100*Math.sin(this.phi)*Math.cos(this.theta);a.y=100*Math.cos(this.phi);a.z=100*Math.sin(this.phi)*Math.sin(this.theta);this.object.lookAt(this.target.position)};this.onMouseMove=
 a=this.verticalAngleMap.dstRange;c=THREE.Math.mapLinear(this.phi,c[0],c[1],a[0],a[1]);var d=a[1]-a[0];this.phi=b((c-a[0])/d)*d+a[0];c=this.horizontalAngleMap.srcRange;a=this.horizontalAngleMap.dstRange;c=THREE.Math.mapLinear(this.theta,c[0],c[1],a[0],a[1]);d=a[1]-a[0];this.theta=b((c-a[0])/d)*d+a[0];a=this.target.position;a.x=100*Math.sin(this.phi)*Math.cos(this.theta);a.y=100*Math.cos(this.phi);a.z=100*Math.sin(this.phi)*Math.sin(this.theta);this.object.lookAt(this.target.position)};this.onMouseMove=
 function(a){this.domElement===document?(this.mouseX=a.pageX-this.viewHalfX,this.mouseY=a.pageY-this.viewHalfY):(this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX,this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY)};this.init=function(){this.spline=new THREE.Spline;this.spline.initFromArray(this.waypoints);this.useConstantSpeed&&this.spline.reparametrizeByArcLength(this.resamplingCoef);if(this.createDebugDummy){var a=new THREE.MeshLambertMaterial({color:30719}),b=new THREE.MeshLambertMaterial({color:65280}),
 function(a){this.domElement===document?(this.mouseX=a.pageX-this.viewHalfX,this.mouseY=a.pageY-this.viewHalfY):(this.mouseX=a.pageX-this.domElement.offsetLeft-this.viewHalfX,this.mouseY=a.pageY-this.domElement.offsetTop-this.viewHalfY)};this.init=function(){this.spline=new THREE.Spline;this.spline.initFromArray(this.waypoints);this.useConstantSpeed&&this.spline.reparametrizeByArcLength(this.resamplingCoef);if(this.createDebugDummy){var a=new THREE.MeshLambertMaterial({color:30719}),b=new THREE.MeshLambertMaterial({color:65280}),
 c=new THREE.CubeGeometry(10,10,20),f=new THREE.CubeGeometry(2,2,10);this.animationParent=new THREE.Mesh(c,a);a=new THREE.Mesh(f,b);a.position.set(0,10,0);this.animation=g(this.animationParent,this.spline,this.id,this.duration);this.animationParent.add(this.object);this.animationParent.add(this.target);this.animationParent.add(a)}else this.animation=g(this.animationParent,this.spline,this.id,this.duration),this.animationParent.add(this.target),this.animationParent.add(this.object);if(this.createDebugPath){var a=
 c=new THREE.CubeGeometry(10,10,20),f=new THREE.CubeGeometry(2,2,10);this.animationParent=new THREE.Mesh(c,a);a=new THREE.Mesh(f,b);a.position.set(0,10,0);this.animation=g(this.animationParent,this.spline,this.id,this.duration);this.animationParent.add(this.object);this.animationParent.add(this.target);this.animationParent.add(a)}else this.animation=g(this.animationParent,this.spline,this.id,this.duration),this.animationParent.add(this.target),this.animationParent.add(this.object);if(this.createDebugPath){var a=
 this.debugPath,b=this.spline,f=e(b,10),c=e(b,10),h=new THREE.LineBasicMaterial({color:16711680,linewidth:3}),f=new THREE.Line(f,h),c=new THREE.ParticleSystem(c,new THREE.ParticleBasicMaterial({color:16755200,size:3}));f.scale.set(1,1,1);a.add(f);c.scale.set(1,1,1);a.add(c);for(var f=new THREE.SphereGeometry(1,16,8),h=new THREE.MeshBasicMaterial({color:65280}),m=0;m<b.points.length;m++)c=new THREE.Mesh(f,h),c.position.copy(b.points[m]),a.add(c)}this.domElement.addEventListener("mousemove",d(this,this.onMouseMove),
 this.debugPath,b=this.spline,f=e(b,10),c=e(b,10),h=new THREE.LineBasicMaterial({color:16711680,linewidth:3}),f=new THREE.Line(f,h),c=new THREE.ParticleSystem(c,new THREE.ParticleBasicMaterial({color:16755200,size:3}));f.scale.set(1,1,1);a.add(f);c.scale.set(1,1,1);a.add(c);for(var f=new THREE.SphereGeometry(1,16,8),h=new THREE.MeshBasicMaterial({color:65280}),m=0;m<b.points.length;m++)c=new THREE.Mesh(f,h),c.position.copy(b.points[m]),a.add(c)}this.domElement.addEventListener("mousemove",d(this,this.onMouseMove),
 !1)}};THREE.PathControlsIdCounter=0;
 !1)}};THREE.PathControlsIdCounter=0;
-THREE.FlyControls=function(a,c){function b(a,b){return function(){b.apply(a,arguments)}}this.object=a;this.domElement=c!==void 0?c:document;c&&this.domElement.setAttribute("tabindex",-1);this.movementSpeed=1;this.rollSpeed=0.005;this.autoForward=this.dragToLook=!1;this.object.useQuaternion=!0;this.tmpQuaternion=new THREE.Quaternion;this.mouseStatus=0;this.moveState={up:0,down:0,left:0,right:0,forward:0,back:0,pitchUp:0,pitchDown:0,yawLeft:0,yawRight:0,rollLeft:0,rollRight:0};this.moveVector=new THREE.Vector3(0,
+THREE.FlyControls=function(a,c){function b(a,b){return function(){b.apply(a,arguments)}}this.object=a;this.domElement=c!==void 0?c:document;c&&this.domElement.setAttribute("tabindex",-1);this.movementSpeed=1;this.rollSpeed=0.0050;this.autoForward=this.dragToLook=!1;this.object.useQuaternion=!0;this.tmpQuaternion=new THREE.Quaternion;this.mouseStatus=0;this.moveState={up:0,down:0,left:0,right:0,forward:0,back:0,pitchUp:0,pitchDown:0,yawLeft:0,yawRight:0,rollLeft:0,rollRight:0};this.moveVector=new THREE.Vector3(0,
 0,0);this.rotationVector=new THREE.Vector3(0,0,0);this.handleEvent=function(a){if(typeof this[a.type]=="function")this[a.type](a)};this.keydown=function(a){if(!a.altKey){switch(a.keyCode){case 16:this.movementSpeedMultiplier=0.1;break;case 87:this.moveState.forward=1;break;case 83:this.moveState.back=1;break;case 65:this.moveState.left=1;break;case 68:this.moveState.right=1;break;case 82:this.moveState.up=1;break;case 70:this.moveState.down=1;break;case 38:this.moveState.pitchUp=1;break;case 40:this.moveState.pitchDown=
 0,0);this.rotationVector=new THREE.Vector3(0,0,0);this.handleEvent=function(a){if(typeof this[a.type]=="function")this[a.type](a)};this.keydown=function(a){if(!a.altKey){switch(a.keyCode){case 16:this.movementSpeedMultiplier=0.1;break;case 87:this.moveState.forward=1;break;case 83:this.moveState.back=1;break;case 65:this.moveState.left=1;break;case 68:this.moveState.right=1;break;case 82:this.moveState.up=1;break;case 70:this.moveState.down=1;break;case 38:this.moveState.pitchUp=1;break;case 40:this.moveState.pitchDown=
 1;break;case 37:this.moveState.yawLeft=1;break;case 39:this.moveState.yawRight=1;break;case 81:this.moveState.rollLeft=1;break;case 69:this.moveState.rollRight=1}this.updateMovementVector();this.updateRotationVector()}};this.keyup=function(a){switch(a.keyCode){case 16:this.movementSpeedMultiplier=1;break;case 87:this.moveState.forward=0;break;case 83:this.moveState.back=0;break;case 65:this.moveState.left=0;break;case 68:this.moveState.right=0;break;case 82:this.moveState.up=0;break;case 70:this.moveState.down=
 1;break;case 37:this.moveState.yawLeft=1;break;case 39:this.moveState.yawRight=1;break;case 81:this.moveState.rollLeft=1;break;case 69:this.moveState.rollRight=1}this.updateMovementVector();this.updateRotationVector()}};this.keyup=function(a){switch(a.keyCode){case 16:this.movementSpeedMultiplier=1;break;case 87:this.moveState.forward=0;break;case 83:this.moveState.back=0;break;case 65:this.moveState.left=0;break;case 68:this.moveState.right=0;break;case 82:this.moveState.up=0;break;case 70:this.moveState.down=
 0;break;case 38:this.moveState.pitchUp=0;break;case 40:this.moveState.pitchDown=0;break;case 37:this.moveState.yawLeft=0;break;case 39:this.moveState.yawRight=0;break;case 81:this.moveState.rollLeft=0;break;case 69:this.moveState.rollRight=0}this.updateMovementVector();this.updateRotationVector()};this.mousedown=function(a){this.domElement!==document&&this.domElement.focus();a.preventDefault();a.stopPropagation();if(this.dragToLook)this.mouseStatus++;else switch(a.button){case 0:this.object.moveForward=
 0;break;case 38:this.moveState.pitchUp=0;break;case 40:this.moveState.pitchDown=0;break;case 37:this.moveState.yawLeft=0;break;case 39:this.moveState.yawRight=0;break;case 81:this.moveState.rollLeft=0;break;case 69:this.moveState.rollRight=0}this.updateMovementVector();this.updateRotationVector()};this.mousedown=function(a){this.domElement!==document&&this.domElement.focus();a.preventDefault();a.stopPropagation();if(this.dragToLook)this.mouseStatus++;else switch(a.button){case 0:this.object.moveForward=
@@ -509,7 +509,7 @@ THREE.IcosahedronGeometry=function(a){function c(a,b,c){var d=Math.sqrt(a*a+b*b+
 (Math.atan2(f.z,f.x)+Math.PI)%Math.PI/Math.PI*0.5,0.5-f.y/2),new THREE.UV(1-(Math.atan2(h.z,h.x)+Math.PI)%Math.PI/Math.PI*0.5,0.5-h.y/2)])}function d(a,b){var d=g.vertices[a].position,e=g.vertices[b].position;return c((d.x+e.x)/2,(d.y+e.y)/2,(d.z+e.z)/2)}var g=this,e=new THREE.Geometry;this.subdivisions=a||0;THREE.Geometry.call(this);a=(1+Math.sqrt(5))/2;c(-1,a,0);c(1,a,0);c(-1,-a,0);c(1,-a,0);c(0,-1,a);c(0,1,a);c(0,-1,-a);c(0,1,-a);c(a,0,-1);c(a,0,1);c(-a,0,-1);c(-a,0,1);b(0,11,5,e);b(0,5,1,e);b(0,
 (Math.atan2(f.z,f.x)+Math.PI)%Math.PI/Math.PI*0.5,0.5-f.y/2),new THREE.UV(1-(Math.atan2(h.z,h.x)+Math.PI)%Math.PI/Math.PI*0.5,0.5-h.y/2)])}function d(a,b){var d=g.vertices[a].position,e=g.vertices[b].position;return c((d.x+e.x)/2,(d.y+e.y)/2,(d.z+e.z)/2)}var g=this,e=new THREE.Geometry;this.subdivisions=a||0;THREE.Geometry.call(this);a=(1+Math.sqrt(5))/2;c(-1,a,0);c(1,a,0);c(-1,-a,0);c(1,-a,0);c(0,-1,a);c(0,1,a);c(0,-1,-a);c(0,1,-a);c(a,0,-1);c(a,0,1);c(-a,0,-1);c(-a,0,1);b(0,11,5,e);b(0,5,1,e);b(0,
 1,7,e);b(0,7,10,e);b(0,10,11,e);b(1,5,9,e);b(5,11,4,e);b(11,10,2,e);b(10,7,6,e);b(7,1,8,e);b(3,9,4,e);b(3,4,2,e);b(3,2,6,e);b(3,6,8,e);b(3,8,9,e);b(4,9,5,e);b(2,4,11,e);b(6,2,10,e);b(8,6,7,e);b(9,8,1,e);for(var f=0;f<this.subdivisions;f++){var a=new THREE.Geometry,h;for(h in e.faces){var i=d(e.faces[h].a,e.faces[h].b),l=d(e.faces[h].b,e.faces[h].c),k=d(e.faces[h].c,e.faces[h].a);b(e.faces[h].a,i,k,a);b(e.faces[h].b,l,i,a);b(e.faces[h].c,k,l,a);b(i,l,k,a)}e.faces=a.faces;e.faceVertexUvs[0]=a.faceVertexUvs[0]}g.faces=
 1,7,e);b(0,7,10,e);b(0,10,11,e);b(1,5,9,e);b(5,11,4,e);b(11,10,2,e);b(10,7,6,e);b(7,1,8,e);b(3,9,4,e);b(3,4,2,e);b(3,2,6,e);b(3,6,8,e);b(3,8,9,e);b(4,9,5,e);b(2,4,11,e);b(6,2,10,e);b(8,6,7,e);b(9,8,1,e);for(var f=0;f<this.subdivisions;f++){var a=new THREE.Geometry,h;for(h in e.faces){var i=d(e.faces[h].a,e.faces[h].b),l=d(e.faces[h].b,e.faces[h].c),k=d(e.faces[h].c,e.faces[h].a);b(e.faces[h].a,i,k,a);b(e.faces[h].b,l,i,a);b(e.faces[h].c,k,l,a);b(i,l,k,a)}e.faces=a.faces;e.faceVertexUvs[0]=a.faceVertexUvs[0]}g.faces=
 e.faces;g.faceVertexUvs[0]=e.faceVertexUvs[0];this.computeCentroids();this.computeFaceNormals(!0)};THREE.IcosahedronGeometry.prototype=new THREE.Geometry;THREE.IcosahedronGeometry.prototype.constructor=THREE.IcosahedronGeometry;
 e.faces;g.faceVertexUvs[0]=e.faceVertexUvs[0];this.computeCentroids();this.computeFaceNormals(!0)};THREE.IcosahedronGeometry.prototype=new THREE.Geometry;THREE.IcosahedronGeometry.prototype.constructor=THREE.IcosahedronGeometry;
-THREE.LatheGeometry=function(a,c,b){THREE.Geometry.call(this);this.steps=c||12;this.angle=b||2*Math.PI;for(var c=this.angle/this.steps,b=[],d=[],g=[],e=[],f=(new THREE.Matrix4).setRotationZ(c),h=0;h<a.length;h++)this.vertices.push(new THREE.Vertex(a[h])),b[h]=a[h].clone(),d[h]=this.vertices.length-1;for(var i=0;i<=this.angle+0.001;i+=c){for(h=0;h<b.length;h++)i<this.angle?(b[h]=f.multiplyVector3(b[h].clone()),this.vertices.push(new THREE.Vertex(b[h])),g[h]=this.vertices.length-1):g=e;i==0&&(e=d);
+THREE.LatheGeometry=function(a,c,b){THREE.Geometry.call(this);this.steps=c||12;this.angle=b||2*Math.PI;for(var c=this.angle/this.steps,b=[],d=[],g=[],e=[],f=(new THREE.Matrix4).setRotationZ(c),h=0;h<a.length;h++)this.vertices.push(new THREE.Vertex(a[h])),b[h]=a[h].clone(),d[h]=this.vertices.length-1;for(var i=0;i<=this.angle+0.0010;i+=c){for(h=0;h<b.length;h++)i<this.angle?(b[h]=f.multiplyVector3(b[h].clone()),this.vertices.push(new THREE.Vertex(b[h])),g[h]=this.vertices.length-1):g=e;i==0&&(e=d);
 for(h=0;h<d.length-1;h++)this.faces.push(new THREE.Face4(g[h],g[h+1],d[h+1],d[h])),this.faceVertexUvs[0].push([new THREE.UV(1-i/this.angle,h/a.length),new THREE.UV(1-i/this.angle,(h+1)/a.length),new THREE.UV(1-(i-c)/this.angle,(h+1)/a.length),new THREE.UV(1-(i-c)/this.angle,h/a.length)]);d=g;g=[]}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.LatheGeometry.prototype=new THREE.Geometry;THREE.LatheGeometry.prototype.constructor=THREE.LatheGeometry;
 for(h=0;h<d.length-1;h++)this.faces.push(new THREE.Face4(g[h],g[h+1],d[h+1],d[h])),this.faceVertexUvs[0].push([new THREE.UV(1-i/this.angle,h/a.length),new THREE.UV(1-i/this.angle,(h+1)/a.length),new THREE.UV(1-(i-c)/this.angle,(h+1)/a.length),new THREE.UV(1-(i-c)/this.angle,h/a.length)]);d=g;g=[]}this.computeCentroids();this.computeFaceNormals();this.computeVertexNormals()};THREE.LatheGeometry.prototype=new THREE.Geometry;THREE.LatheGeometry.prototype.constructor=THREE.LatheGeometry;
 THREE.OctahedronGeometry=function(a,c){function b(b){var c=b.clone().normalize(),c=new THREE.Vertex(c.clone().multiplyScalar(a));c.index=f.vertices.push(c)-1;c.uv=new THREE.UV(Math.atan2(b.z,-b.x)/2/Math.PI+0.5,Math.atan2(-b.y,Math.sqrt(b.x*b.x+b.z*b.z))/Math.PI+0.5);return c}function d(a,b,c,h){h<1?(h=new THREE.Face3(a.index,b.index,c.index,[a.position,b.position,c.position]),h.centroid.addSelf(a.position).addSelf(b.position).addSelf(c.position).divideScalar(3),h.normal=h.centroid.clone().normalize(),
 THREE.OctahedronGeometry=function(a,c){function b(b){var c=b.clone().normalize(),c=new THREE.Vertex(c.clone().multiplyScalar(a));c.index=f.vertices.push(c)-1;c.uv=new THREE.UV(Math.atan2(b.z,-b.x)/2/Math.PI+0.5,Math.atan2(-b.y,Math.sqrt(b.x*b.x+b.z*b.z))/Math.PI+0.5);return c}function d(a,b,c,h){h<1?(h=new THREE.Face3(a.index,b.index,c.index,[a.position,b.position,c.position]),h.centroid.addSelf(a.position).addSelf(b.position).addSelf(c.position).divideScalar(3),h.normal=h.centroid.clone().normalize(),
 f.faces.push(h),h=Math.atan2(h.centroid.z,-h.centroid.x),f.faceVertexUvs[0].push([e(a.uv,a.position,h),e(b.uv,b.position,h),e(c.uv,c.position,h)])):(h-=1,d(a,g(a,b),g(a,c),h),d(g(a,b),b,g(b,c),h),d(g(a,c),g(b,c),c,h),d(g(a,b),g(b,c),g(a,c),h))}function g(a,c){h[a.index]||(h[a.index]=[]);h[c.index]||(h[c.index]=[]);var d=h[a.index][c.index];d===void 0&&(h[a.index][c.index]=h[c.index][a.index]=d=b((new THREE.Vector3).add(a.position,c.position).divideScalar(2)));return d}function e(a,b,c){c<0&&a.u===
 f.faces.push(h),h=Math.atan2(h.centroid.z,-h.centroid.x),f.faceVertexUvs[0].push([e(a.uv,a.position,h),e(b.uv,b.position,h),e(c.uv,c.position,h)])):(h-=1,d(a,g(a,b),g(a,c),h),d(g(a,b),b,g(b,c),h),d(g(a,c),g(b,c),c,h),d(g(a,b),g(b,c),g(a,c),h))}function g(a,c){h[a.index]||(h[a.index]=[]);h[c.index]||(h[c.index]=[]);var d=h[a.index][c.index];d===void 0&&(h[a.index][c.index]=h[c.index][a.index]=d=b((new THREE.Vector3).add(a.position,c.position).divideScalar(2)));return d}function e(a,b,c){c<0&&a.u===

+ 8 - 38
src/extras/core/Curve.js

@@ -147,20 +147,7 @@ THREE.Curve.prototype.getUtoTmapping = function ( u, distance ) {
 
 
 	}
 	}
 
 
-	// // TODO Should do binary search + sub division + interpolation when needed
-	// time = Date.now();
-	// while ( i < il ) {
-	//
-	// 	i++;
-	//
-	// 	if ( targetArcLength < arcLengths[ i ] ) break;
-	//
-	// }
-	//
-	// i--;
-	// console.log('o' , i, Date.now()- time);
-
-	var time = Date.now();
+	//var time = Date.now();
 
 
 	// binary search for the index with largest value smaller than target u distance
 	// binary search for the index with largest value smaller than target u distance
 
 
@@ -251,9 +238,11 @@ THREE.Curve.prototype.getTangent = function( t ) {
 	var pt1 = this.getPoint( t1 );
 	var pt1 = this.getPoint( t1 );
 	var pt2 = this.getPoint( t2 );
 	var pt2 = this.getPoint( t2 );
 
 
-	var vec = new THREE.Vector2();
-	vec.sub( pt2, pt1 );
-	return vec.unit();
+	// var vec = new THREE.Vector2();
+	// vec.sub( pt2, pt1 );
+	
+	var vec = pt1.clone().subSelf(pt2);
+	return vec.normalize();
 
 
 };
 };
 
 
@@ -296,14 +285,6 @@ THREE.LineCurve.prototype.getPoint = function ( t ) {
 
 
 	return point;
 	return point;
 
 
-	// 	var dx = this.x2 - this.x1;
-	// 	var dy = this.y2 - this.y1;
-	//
-	// 	var tx = this.x1 + dx * t;
-	// 	var ty = this.y1 + dy * t;
-	//
-	// 	return new THREE.Vector2( tx, ty );
-
 };
 };
 
 
 // Line curve is linear, so we can overwrite default getPointAt
 // Line curve is linear, so we can overwrite default getPointAt
@@ -371,17 +352,6 @@ THREE.QuadraticBezierCurve.prototype.getTangent = function( t ) {
 	// 	if segment is bezier
 	// 	if segment is bezier
 	//		perform subdivisions
 	//		perform subdivisions
 
 
-	// var x0, y0, x1, y1, x2, y2;
-
-	// x0 = this.actions[ 0 ].args[ 0 ];
-	// y0 = this.actions[ 0 ].args[ 1 ];
-	//
-	// x1 = this.actions[ 1 ].args[ 0 ];
-	// y1 = this.actions[ 1 ].args[ 1 ];
-	//
-	// x2 = this.actions[ 1 ].args[ 2 ];
-	// y2 = this.actions[ 1 ].args[ 3 ];
-
 	var tx, ty;
 	var tx, ty;
 
 
 	tx = THREE.Curve.Utils.tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x );
 	tx = THREE.Curve.Utils.tangentQuadraticBezier( t, this.v0.x, this.v1.x, this.v2.x );
@@ -458,7 +428,7 @@ THREE.CubicBezierCurve.prototype.getTangent = function( t ) {
 
 
 THREE.SplineCurve = function ( points /* array of Vector2 */ ) {
 THREE.SplineCurve = function ( points /* array of Vector2 */ ) {
 
 
-	this.points = points;
+	this.points = (points == undefined) ? [] : points;
 
 
 };
 };
 
 
@@ -710,7 +680,7 @@ THREE.SplineCurve3 = THREE.Curve.create(
 
 
 	function ( points /* array of Vector3 */) {
 	function ( points /* array of Vector3 */) {
 
 
-		this.points = points;
+		this.points = (points == undefined) ? [] : points;
 
 
 	},
 	},