一个3D模型的例子，给初学iphone/ipad编程的人员一个类似“hello word”的3D动画Demo，主要用到的是object-c和OpenGL。-Example of a 3D model, to the beginner iphone/ipad programming staff of a similar " hello word" 3D animation Demo, mainly used in the object-c and OpenGL.

这是一个OpenGL程序，在OS X的Xcode上开发，描述的是一个房间里的局部光照模型下的情形，适合初学者。-This is an OpenGL program in OS X Xcode development, described the case of a room under local illumination model, suitable for beginners.