http://dev.gameres.com/Program/Visual/2D/2DWater.htm
http://wenku.baidu.com/view/843075eae009581b6bd9eb72.html
http://www.codeproject.com/Articles/1320/Really-cool-visual-FX
以上3个网址介绍了水波特效，火焰特效，血浆特效。
