Particle3D=function(material){THREE.Particle.call(this,material);this.velocity=new THREE.Vector3(0,-8,0);this.velocity.rotateX(randomRange(-45,45));this.velocity.rotateY(randomRange(0,360));this.gravity=new THREE.Vector3(0,0,0);this.drag=1;};Particle3D.prototype=new THREE.Particle();Particle3D.prototype.constructor=Particle3D;Particle3D.prototype.updatePhysics=function(){this.velocity.multiplyScalar(this.drag);this.velocity.addSelf(this.gravity);this.position.addSelf(this.velocity);}
var TO_RADIANS=Math.PI/180;THREE.Vector3.prototype.rotateY=function(angle){cosRY=Math.cos(angle*TO_RADIANS);sinRY=Math.sin(angle*TO_RADIANS);var tempz=this.z;;var tempx=this.x;this.x=(tempx*cosRY)+(tempz*sinRY);this.z=(tempx*-sinRY)+(tempz*cosRY);}
THREE.Vector3.prototype.rotateX=function(angle){cosRY=Math.cos(angle*TO_RADIANS);sinRY=Math.sin(angle*TO_RADIANS);var tempz=this.z;;var tempy=this.y;this.y=(tempy*cosRY)+(tempz*sinRY);this.z=(tempy*-sinRY)+(tempz*cosRY);}
THREE.Vector3.prototype.rotateZ=function(angle){cosRY=Math.cos(angle*TO_RADIANS);sinRY=Math.sin(angle*TO_RADIANS);var tempx=this.x;;var tempy=this.y;this.y=(tempy*cosRY)+(tempx*sinRY);this.x=(tempy*-sinRY)+(tempx*cosRY);}
function randomRange(min,max)
{return((Math.random()*(max-min))+ min);}