OBJ文件定义了对象的几何特性和其他一些特征，由于文件结构非常简单，因此适合在应用程序中读取或进行3D文件格式转换。-OBJ file definate the geometrical characteristic and other features of objects,as the structures of this file is simple,it is widely used to transform between application program and 3D file

TinyGL is intended to be a very small implementation of a subset of OpenGL * for embedded systems or games. It is a software only implementation. Only the main OpenGL calls are implemented. The main strength of TinyGL is that it is fast and simp