忍者跳跃游戏的简单实现：包括英雄动画效果的转换，5中怪物的动画效果和动作以及和英雄的碰撞检测，简单的粒子效果。-A simple implementation of the ninja jumping game: including the conversion of the hero animation, the 5 monster animation and action and hero collision detection, particle effects.