text: /**
   * @author mrdoob / http://mrdoob.com/
   */
  
  THREE.RenderableFace4 = function () {
  
  	this.v1 = new THREE.RenderableVertex();
  	this.v2 = new THREE.RenderableVertex();
  	this.v3 = new THREE.RenderableVertex();
  	this.v4 = new THREE.RenderableVertex();
  
  	this.centroidWorld = new THREE.Vector3();
  	this.centroidScreen = new THREE.Vector3();
  
  	this.normalWorld = new THREE.Vector3();
  	this.vertexNormalsWorld = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
  	this.vertexNormalsLength = 0;
  
  	this.material = null;
  	this.uvs = [[]];
  
  	this.z = null;
  
  };
  