学习OpenGL总结三

1. 学习OpenGL总结三
3. DrawGLScene_3D.h  内容如下：
4. //#include "DrawGLScene_3D.h"
5. #pragma once
7. //modify date:2009-01-08   vp:hsg
8. //#include <windows.h> // Windows的头文件
9. #include <stdio.h> // 标准输入/输出库的头文件 ( 新增 )
10. #include "OpenGL_FirstWin32.h"
12. //定义贴图OpenGL框架类
13. class OpenGLFrameWork_3D :public OpenGLFrameWork
14. {
15.     public:
16.         int DrawGLScene();
17.         int DrawGLScene_3D(GLvoid);
18. };
20. //实现方法
21. int OpenGLFrameWork_3D::DrawGLScene()
22. {
23.     return this->DrawGLScene_3D();
24. };
26. //第五课内容  向3D进军
27. int OpenGLFrameWork_3D::DrawGLScene_3D(GLvoid) // 此过程中包括所有的绘制代码
28. {
29.     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // 清除屏幕及深度缓存
30.     glLoadIdentity(); // 重置模型观察矩阵
31.     glTranslatef(-1.5f,0.0f,-6.0f); // 左移 1.5 单位，并移入屏幕 6.0
33.     glRotatef(rtri,0.0f,1.0f,0.0f); // 绕Y轴旋转金字塔
35.     glBegin(GL_TRIANGLES); // 开始绘制金字塔的各个面
37.     glColor3f(1.0f,0.0f,0.0f); // 红色
38.     glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (前侧面)
39.     glColor3f(0.0f,1.0f,0.0f); // 绿色
40.     glVertex3f(-1.0f,-1.0f, 1.0f); // 三角形的左下顶点 (前侧面)
41.     glColor3f(0.0f,0.0f,1.0f); // 蓝色
42.     glVertex3f( 1.0f,-1.0f, 1.0f); // 三角形的右下顶点 (前侧面)
44.     glColor3f(1.0f,0.0f,0.0f); // 红色
45.     glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (右侧面)
46.     glColor3f(0.0f,0.0f,1.0f); // 蓝色
47.     glVertex3f( 1.0f,-1.0f, 1.0f); // 三角形的左下顶点 (右侧面)
48.     glColor3f(0.0f,1.0f,0.0f); // 绿色
49.     glVertex3f( 1.0f,-1.0f, -1.0f); // 三角形的右下顶点 (右侧面)
51.     glColor3f(1.0f,0.0f,0.0f); // 红色
52.     glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (后侧面)
53.     glColor3f(0.0f,1.0f,0.0f); // 绿色
54.     glVertex3f( 1.0f,-1.0f, -1.0f); // 三角形的左下顶点 (后侧面)
55.     glColor3f(0.0f,0.0f,1.0f); // 蓝色
56.     glVertex3f(-1.0f,-1.0f, -1.0f); // 三角形的右下顶点 (后侧面)
58.     glColor3f(1.0f,0.0f,0.0f); // 红色
59.     glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (左侧面)
60.     glColor3f(0.0f,0.0f,1.0f);// 蓝色
61.     glVertex3f(-1.0f,-1.0f,-1.0f); // 三角形的左下顶点 (左侧面)
62.     glColor3f(0.0f,1.0f,0.0f); // 绿色
63.     glVertex3f(-1.0f,-1.0f, 1.0f); // 三角形的右下顶点 (左侧面)
65.     glEnd(); //金字塔绘制结束
67.     glLoadIdentity();
68.     glTranslatef(1.5f,0.0f,-7.0f); // 先右移再移入屏幕
70.     glRotatef(rquad,1.0f,1.0f,1.0f); // 在XYZ轴上旋转立方体
72.     glBegin(GL_QUADS); // 开始绘制立方体
74.     glColor3f(0.0f,1.0f,0.0f); // 颜色改为蓝色
75.     glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右上顶点 (顶面)
76.     glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左上顶点 (顶面)
77.     glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的左下顶点 (顶面)
78.     glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的右下顶点 (顶面)
80.     glColor3f(1.0f,0.5f,0.0f); // 颜色改成橙色
81.     glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的右上顶点(底面)
82.     glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的左上顶点(底面)
83.     glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左下顶点(底面)
84.     glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右下顶点(底面)
86.     glColor3f(1.0f,0.0f,0.0f); // 颜色改成红色
87.     glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的右上顶点(前面)
88.     glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的左上顶点(前面)
89.     glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的左下顶点(前面)
90.     glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的右下顶点(前面)
92.     glColor3f(1.0f,1.0f,0.0f); // 颜色改成黄色
93.     glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右上顶点(后面)
94.     glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左上顶点(后面)
95.     glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左下顶点(后面)
96.     glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右下顶点(后面)
98.     glColor3f(0.0f,0.0f,1.0f); // 颜色改成蓝色
99.     glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的右上顶点(左面)
100.     glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左上顶点(左面)
101.     glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左下顶点(左面)
102.     glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的右下顶点(左面)
104.     glColor3f(1.0f,0.0f,1.0f); // 颜色改成紫罗兰色
105.     glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右上顶点(右面)
106.     glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的左上顶点(右面)
107.     glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的左下顶点(右面)
108.     glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右下顶点(右面)
109.     glEnd(); // 立方体绘制结束
111.     rtri+=0.5f; // 增加三角形的旋转变量(新增)
112.     rquad-=0.55f; // 减少四边形的旋转变量(新增)
113.     return TRUE; // 继续运行
114. };