关于IPHONE开发的图像教程，对于开发IPHONE游戏有帮助-With regard to the development of image IPHONE tutorial help for the development of the game IPHONE

openGL ES 官方demo touch fight ，一款用opengles编写的iphone手机游戏，用户通过倾斜手机控制飞机方向，瞄准点击手机屏幕将宇宙空间中的飞机击爆。-openGL ES official demo touch fight, a cell phone with opengles prepared iphone games, cell phone users to control the aircraft by tilting the direction of tar