OPENGL 编程指南第一章代码，有关简单的绘制一个立方体-The OPENGL Programming Guide Chapter 1 code

OpenGL教程_NeHe_源代码1-48，属于OpenGL开发的源代码以及少量的文字解释。功能全面易懂，适合上手-OpenGL tutorials NeHe source 1-48, belongs to the OpenGL development source code as well as small amounts of text interpretation. Fully functional and easy to understand, suitable to get start