/* *  PAPER    ON   ERVIS  NPAPER ISION  PE  IS ON  PERVI IO  APER  SI  PA *  AP  VI  ONPA  RV  IO PA     SI  PA ER  SI NP PE     ON AP  VI ION AP *  PERVI  ON  PE VISIO  APER   IONPA  RV  IO PA  RVIS  NP PE  IS ONPAPE *  ER     NPAPER IS     PE     ON  PE  ISIO  AP     IO PA ER  SI NP PER *  RV     PA  RV SI     ERVISI NP  ER   IO   PE VISIO  AP  VISI  PA  RV3D *  ______________________________________________________________________ *  papervision3d.org + blog.papervision3d.org + osflash.org/papervision3d *//* * Copyright 2006 (c) Carlos Ulloa Matesanz, noventaynueve.com. * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */// ______________________________________________________________________//                                                               Vertex3Dpackage org.papervision3d.core.geom.renderables{	import flash.utils.Dictionary;		import org.papervision3d.core.math.Number3D;	import org.papervision3d.core.render.command.IRenderListItem;		/**	* The Vertex3D constructor lets you create 3D vertices.	*/	public class Vertex3D extends AbstractRenderable implements IRenderable	{		/**		* An Number that sets the X coordinate of a object relative to the scene coordinate system.		*/		public var x :Number;			/**		* An Number that sets the Y coordinate of a object relative to the scene coordinates.		*/		public var y :Number;			/**		* An Number that sets the Z coordinate of a object relative to the scene coordinates.		*/		public var z :Number;			/**		* An object that contains user defined properties.		*/		public var extra :Object;				/**		 * Vertex2D instance 		 */		 public var vertex3DInstance:Vertex3DInstance;				//To be docced		public var normal:Number3D;		public var connectedFaces:Dictionary;			/**		* Creates a new Vertex3D object whose three-dimensional values are specified by the x, y and z parameters.		*		* @param	x	The horizontal coordinate value. The default value is zero.		* @param	y	The vertical coordinate value. The default value is zero.		* @param	z	The depth coordinate value. The default value is zero.		*		* */		public function Vertex3D( x:Number=0, y:Number=0, z:Number=0 )		{			this.x = x;			this.y = y;			this.z = z;						this.vertex3DInstance = new Vertex3DInstance();			this.normal = new Number3D();			this.connectedFaces = new Dictionary();		}				public function toNumber3D():Number3D		{			return new Number3D(x,y,z);		}				public function clone():Vertex3D		{			var clone:Vertex3D = new Vertex3D(x,y,z);			clone.extra = extra;			clone.vertex3DInstance = vertex3DInstance.clone();			clone.normal = normal.clone();						return clone;		}				public function calculateNormal():void		{			var face:Triangle3D;			normal = new Number3D();			var count:Number = 0;			for each(face in connectedFaces)			{					count++;				normal = Number3D.add(face.faceNormal, normal);			}			normal.x/=count;			normal.y/=count;			normal.z/=count;			normal.normalize();		}				override public function getRenderListItem():IRenderListItem		{			return null;		}			}}