用java实现的物理撞球小游戏 而且基本的运行平台为安卓4.0 采用jbox2d物理引擎实现的碰撞监听和物理过程 游戏过程容易理解 代码看上去也比较舒服容易学习-Java achieve the physical billiards game and basically run platform for Android 4.0 with jbox2d physics engine to achieve collision listener and physical processes in th