VC6 下载
http://blog.youkuaiyun.com/bcbobo21cn/article/details/44200205
opengl环境配置
http://blog.youkuaiyun.com/bcbobo21cn/article/details/51044614#t4
以下的demo工程
http://pan.baidu.com/s/1kVGmRAJ
一 使用二维求值器绘制一个曲面
#include <windows.h>
#include <GL/GLAUX.h>
#include <GL/glut.h>
#include <math.h>
//GLfloat ctrlpoints[5][5][3] = {
{
{-2,0,0},{-1,1,0},{0,0,0},{1,-1,0},{2,0,0}},
//{
{-2,0,-1},{-1,1,-1},{0,0,-1},{1,-1,-1},{2,0,-1}},
//{
{-2,0,-2},{-1,1,-2},{0,0,-2},{1,-1,-2},{2,0,-2}},
//{
{-2,0,-3},{-1,1,-3},{0,0,-3},{1,-1,-3},{2,0,-3}},
//{
{-2,0,-4},{-1,1,-4},{0,0,-4},{1,-1,-4},{2,0,-4}}};
GLfloat ctrlpoin