运用opengl及纯矩阵运算两种方式 实现3D模型的建立，通过键盘来实现平移，拉伸，旋转等操作-Use opengl and pure matrix operations are two ways to achieve the 3D model, through the keyboard to achieve pan, stretch, rotate, etc.

open gl 太阳 月亮 与地球旋转例子，程序经测试可运行。-opengl moon sun and earth rotate

显示了一个三维地形，能漫游旋转，且代码注释较为详细，适合OpenGL初学者、-Display a 3D terrain roaming, can rotate, and code comment in detail, suitable for beginners OpenGL, shows a 3D terrain roaming, can rotate, and code comment in detail, suitable for beginners OpenGL,

C#调用OPENGL，实现一个立方体的三维显示。主要演示了如何在.net下使用OPENGL-C# call OPENGL, realize a three-dimensional cube display. Mainly demonstrates how to use OPENGL in. Under net