很经典的小游戏源码 很值得初学者学习 代码非常详细完善-Very classic game source code is very worthwhile for beginners to learn the code is very detailed and perfect

it s a game that a ball rolling on a track which is contraled by the keys of up , down , left ,and right .-it s a game that a ball rolling on a track which is contraled by the keys of up , down , left ,and right .