OpenGL入门学习.pdf

一、第一个OPENGL程序...................................................................................................................4 1.1、OPENGL的优点..........................................................................................................................4 1.2、OPENGL的安装..........................................................................................................................4 1.3、第一个OPENGL程序.................................................................................................................5 二、点、直线和多边形..........................................................................................................................8 2.1、点、直线和多边形.....................................................................................................................8 2.2、在OPENGL中指定顶点.............................................................................................................8 2.3、绘制曲线....................................................................................................................................9 三、绘制几何图形的细节....................................................................................................................14 3.1、关于点......................................................................................................................................14 3.2、关于直线..................................................................................................................................14 3.3、关于多边形...............................................................................................................................15 四、颜色的选择...................................................................................................................................20 4.1、RGBA颜色...............................................................................................................................20 4.2、索引颜色.........................................................................................