grapharc.as

一个2D基于verlet的Flash物理引擎。它用AS3编写而成。Fisix的目标是应用到游戏等计算量很大的实时应用中。尽管flash比c/c++要慢,很棒的物理引擎

/**
 * DATA STRUCTURES FOR GAME PROGRAMMERS
 * Copyright (c) 2007 Michael Baczynski, http://www.polygonal.de
 *
 * 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.
 */
package de.polygonal.ds
{
	/**
	 * A weighted arc pointing to a graph node.
	 */
	public class GraphArc
	{
		/**
		 * The node that the arc points to being referenced.
		 */
		public var node:GraphNode;
		
		/**
		 * The weight (or cost) of the arc.
		 */
		public var weight:Number;
		
		/**
		 * Initializes a new graph arc with a given weight.
		 * 
		 * @param node 		The graph node.
		 * @param weight 	The weight.
		 */
		public function GraphArc(node:GraphNode, weight:Number = 1)
		{
			this.node = node;
			this.weight = weight;
		}
	}
}