说明：  NeHe OpenGL英文教程PDF版,NeHe OpenGL教程是一系列通俗易懂而又实用的OpenGL的文章，其中几乎每篇文章都是一个非常经典而实用的例子，都配有详细的说明和源码(各个操作系统windows，linux，Mac OS上各种编译平台的实现源码)，图文并茂，非常值得学习OpenGL和开发游戏的人一读。
(NeHe OpenGL English tutorial PDF version of, NeHe the OpenGL tutorial is a series of user-friendly and practical OpenGL article, almost every article is a classic and practical example, are equipped with detailed instructions and source code (each operation.system windows, linux, Mac OS on a variety of compiler platform source), illustrated, very worthwhile to learn OpenGL and development of the game the first reading.)