学习OpenGL总结三

学习OpenGL总结三

DrawGLScene_3D.h  内容如下：

//#include "DrawGLScene_3D.h"

#pragma once

//modify date:2009-01-08   vp:hsg

//#include <windows.h> // Windows的头文件

#include <stdio.h> // 标准输入/输出库的头文件 ( 新增 )

#include "OpenGL_FirstWin32.h"

//定义贴图OpenGL框架类

class OpenGLFrameWork_3D :public OpenGLFrameWork

{

    public:

        int DrawGLScene();

        int DrawGLScene_3D(GLvoid);

};

//实现方法

int OpenGLFrameWork_3D::DrawGLScene()

{

    return this->DrawGLScene_3D();

};

//第五课内容  向3D进军

int OpenGLFrameWork_3D::DrawGLScene_3D(GLvoid) // 此过程中包括所有的绘制代码

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // 清除屏幕及深度缓存

    glLoadIdentity(); // 重置模型观察矩阵

    glTranslatef(-1.5f,0.0f,-6.0f); // 左移 1.5 单位，并移入屏幕 6.0

    glRotatef(rtri,0.0f,1.0f,0.0f); // 绕Y轴旋转金字塔

    glBegin(GL_TRIANGLES); // 开始绘制金字塔的各个面

    glColor3f(1.0f,0.0f,0.0f); // 红色

    glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (前侧面)

    glColor3f(0.0f,1.0f,0.0f); // 绿色

    glVertex3f(-1.0f,-1.0f, 1.0f); // 三角形的左下顶点 (前侧面)

    glColor3f(0.0f,0.0f,1.0f); // 蓝色

    glVertex3f( 1.0f,-1.0f, 1.0f); // 三角形的右下顶点 (前侧面)

    glColor3f(1.0f,0.0f,0.0f); // 红色

    glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (右侧面)

    glColor3f(0.0f,0.0f,1.0f); // 蓝色

    glVertex3f( 1.0f,-1.0f, 1.0f); // 三角形的左下顶点 (右侧面)

    glColor3f(0.0f,1.0f,0.0f); // 绿色

    glVertex3f( 1.0f,-1.0f, -1.0f); // 三角形的右下顶点 (右侧面)

    glColor3f(1.0f,0.0f,0.0f); // 红色

    glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (后侧面)

    glColor3f(0.0f,1.0f,0.0f); // 绿色

    glVertex3f( 1.0f,-1.0f, -1.0f); // 三角形的左下顶点 (后侧面)

    glColor3f(0.0f,0.0f,1.0f); // 蓝色

    glVertex3f(-1.0f,-1.0f, -1.0f); // 三角形的右下顶点 (后侧面)

    glColor3f(1.0f,0.0f,0.0f); // 红色

    glVertex3f( 0.0f, 1.0f, 0.0f); // 三角形的上顶点 (左侧面)

    glColor3f(0.0f,0.0f,1.0f);// 蓝色

    glVertex3f(-1.0f,-1.0f,-1.0f); // 三角形的左下顶点 (左侧面)

    glColor3f(0.0f,1.0f,0.0f); // 绿色

    glVertex3f(-1.0f,-1.0f, 1.0f); // 三角形的右下顶点 (左侧面)

    glEnd(); //金字塔绘制结束

    glLoadIdentity();

    glTranslatef(1.5f,0.0f,-7.0f); // 先右移再移入屏幕

    glRotatef(rquad,1.0f,1.0f,1.0f); // 在XYZ轴上旋转立方体

    glBegin(GL_QUADS); // 开始绘制立方体

    glColor3f(0.0f,1.0f,0.0f); // 颜色改为蓝色

    glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右上顶点 (顶面)

    glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左上顶点 (顶面)

    glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的左下顶点 (顶面)

    glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的右下顶点 (顶面)

    glColor3f(1.0f,0.5f,0.0f); // 颜色改成橙色

    glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的右上顶点(底面)

    glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的左上顶点(底面)

    glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左下顶点(底面)

    glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右下顶点(底面)

    glColor3f(1.0f,0.0f,0.0f); // 颜色改成红色

    glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的右上顶点(前面)

    glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的左上顶点(前面)

    glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的左下顶点(前面)

    glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的右下顶点(前面)

    glColor3f(1.0f,1.0f,0.0f); // 颜色改成黄色

    glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右上顶点(后面)

    glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左上顶点(后面)

    glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左下顶点(后面)

    glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右下顶点(后面)

    glColor3f(0.0f,0.0f,1.0f); // 颜色改成蓝色

    glVertex3f(-1.0f, 1.0f, 1.0f); // 四边形的右上顶点(左面)

    glVertex3f(-1.0f, 1.0f,-1.0f); // 四边形的左上顶点(左面)

    glVertex3f(-1.0f,-1.0f,-1.0f); // 四边形的左下顶点(左面)

    glVertex3f(-1.0f,-1.0f, 1.0f); // 四边形的右下顶点(左面)

    glColor3f(1.0f,0.0f,1.0f); // 颜色改成紫罗兰色

    glVertex3f( 1.0f, 1.0f,-1.0f); // 四边形的右上顶点(右面)

    glVertex3f( 1.0f, 1.0f, 1.0f); // 四边形的左上顶点(右面)

    glVertex3f( 1.0f,-1.0f, 1.0f); // 四边形的左下顶点(右面)

    glVertex3f( 1.0f,-1.0f,-1.0f); // 四边形的右下顶点(右面)

    glEnd(); // 立方体绘制结束

    rtri+=0.5f; // 增加三角形的旋转变量(新增)

    rquad-=0.55f; // 减少四边形的旋转变量(新增)

    return TRUE; // 继续运行

};