2D游戏引擎。这些代码是我大二、三时写的,所有代码原创（SoundEngine、lua等代码除外哈），如有雷同，纯属巧合。 代码可供大家学习交流，可以任意使用、修改。-2D game engine. The code is the sophomore, wrote three o' clock, all the original code (SoundEngine, lua and other code except Ha), any similarity is purely coin