package org.papervision3d.core.geom.renderables{	import flash.display.Sprite;		import org.papervision3d.core.math.Number3D;	import org.papervision3d.objects.DisplayObject3D;		public class Triangle3DInstance	{		public var instance:DisplayObject3D;				/**		* container is initialized via DisplayObject3D's render method IF DisplayObject3D.faceLevelMode is set to true		*/		public var container:Sprite;		public var visible:Boolean = false;		public var screenZ:Number;		public var faceNormal:Number3D;				public function Triangle3DInstance(face:Triangle3D, instance:DisplayObject3D)		{			this.instance = instance;			faceNormal = new Number3D();		}	}}