text: /**************************************************************
   *	Cubic Bezier 3D curve
   **************************************************************/
  
  THREE.CubicBezierCurve3 = THREE.Curve.create(
  
  	function ( v0, v1, v2, v3 ) {
  
  		this.v0 = v0;
  		this.v1 = v1;
  		this.v2 = v2;
  		this.v3 = v3;
  
  	},
  
  	function ( t ) {
  
  		var tx, ty, tz;
  
  		tx = THREE.Shape.Utils.b3( t, this.v0.x, this.v1.x, this.v2.x, this.v3.x );
  		ty = THREE.Shape.Utils.b3( t, this.v0.y, this.v1.y, this.v2.y, this.v3.y );
  		tz = THREE.Shape.Utils.b3( t, this.v0.z, this.v1.z, this.v2.z, this.v3.z );
  
  		return new THREE.Vector3( tx, ty, tz );
  
  	}
  
  );
  