opengl绘制一幅坦克三维图形，能够与电脑交互，是学习opengl入门的好例子-3D graphics opengl to draw a tank, able to interact with the computer, is a good example to learn opengl entry

本程序基于OpenGL使用VC++进行开发，实现了具有简单人机交互功能的立方体光照模型。程序分为三个部分：矩阵运算、图形显示及事件响应模块。-The program is based on OpenGL development using VC++ to achieve a cube with a simple illumination model of human-computer interaction function. Program is divided into three part