OpenGL 颜色立方体

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代码如下：

#include #define GLUT_DISABLE_ATEXIT_HACK#include #pragma comment(lib, "glut32.lib")GLfloat AngleX;GLfloat AngleY;void display(void){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); glPushMatrix(); {  glRotatef(AngleX,1.0f,0.0f,0.0f);  glRotatef(AngleY,0.0f,1.0f,0.0f);  glBegin(GL_POLYGON); //前表面  glColor3ub((GLubyte)255,(GLubyte)255,(GLubyte)255);//颜色设置为白色  glVertex3f(50.0f,50.0f,50.0f);  glColor3ub((GLubyte)255,(GLubyte)255,(GLubyte)0);//颜色设置为黄色  glVertex3f(50.0f,-50.0f,50.0f);  glColor3ub((GLubyte)255,(GLubyte)0,(GLubyte)0);//颜色设置为红色  glVertex3f(-50.0f,-50.0f,50.0f);  glColor3ub((GLubyte)255,(GLubyte)0,(GLubyte)255);//颜色设置为白色  glVertex3f(-50.0f,50.0f,50.0f);  glEnd();  glBegin(GL_POLYGON); //后表面  glColor3f(0.0f,1.0f,1.0f);//颜色设置为青色  glVertex3f(50.0f,50.0f,-50.0f);  glColor3f(0.0f,1.0f,0.0f);//颜色设置为绿色  glVertex3f(50.0f,-50.0f,-50.0f);  glColor3f(0.0f,0.0f,0.0f);//颜色设置为黑色  glVertex3f(-50.0f,-50.0f,-50.0f);  glColor3f(0.0f,0.0f,1.0f);//颜色设置为蓝色  glVertex3f(-50.0f,50.0f,-50.0f);  glEnd();  glBegin(GL_POLYGON); //上表面  glColor3d(0.0,1.0,1.0);//颜色设置为青色  glVertex3f(50.0f,50.0f,-50.0f);  glColor3d(1.0,1.0,1.0);//颜色设置为白色  glVertex3f(50.0f,50.0f,50.0f);  glColor3d(1.0,0.0,1.0);//颜色设置为品红色  glVertex3f(-50.0f,50.0f,50.0f);  glColor3d(0.0,0.0,1.0);//颜色设置为蓝色  glVertex3f(-50.0f,50.0f,-50.0f);  glEnd();  glBegin(GL_POLYGON); //下表面  glColor3ub(0u,255u,0u);//颜色设置为绿色  glVertex3f(50.0f,-50.0f,-50.0f);  glColor3ub(255u,255u,0u);//颜色设置为黄色  glVertex3f(50.0f,-50.0f,50.0f);  glColor3ub(255u,0u,0u);//颜色设置为红色  glVertex3f(-50.0f,-50.0f,50.0f);  glColor3ub(0u,0u,0u);//颜色设置为黑色  glVertex3f(-50.0f,-50.0f,-50.0f);  glEnd();  glBegin(GL_POLYGON); //左表面  glColor3ub((GLubyte)255,(GLubyte)255,(GLubyte)255);//颜色设置为白色  glVertex3f(50.0f,50.0f,50.0f);  glColor3ub((GLubyte)0,(GLubyte)255,(GLubyte)255);//颜色设置为青色  glVertex3f(50.0f,50.0f,-50.0f);  glColor3ub((GLubyte)0,(GLubyte)255,(GLubyte)0);//颜色设置为绿色  glVertex3f(50.0f,-50.0f,-50.0f);  glColor3ub((GLubyte)255,(GLubyte)255,(GLubyte)0);//颜色设置为黄色  glVertex3f(50.0f,-50.0f,50.0f);  glEnd();  glBegin(GL_POLYGON); //右表面  glColor3f(1.0f,0.0f,1.0f);//颜色设置为品红色  glVertex3f(-50.0f,50.0f,50.0f);  glColor3f(0.0f,0.0f,1.0f);//颜色设置为蓝色  glVertex3f(-50.0f,50.0f,-50.0f);  glColor3f(0.0f,0.0f,0.0f);//颜色设置为黑色  glVertex3f(-50.0f,-50.0f,-50.0f);  glColor3f(1.0f,0.0f,0.0f);//颜色设置为红色  glVertex3f(-50.0f,-50.0f,50.0f);  glEnd(); } glPopMatrix(); glutSwapBuffers();}void reshape(int w, int h){ GLfloat aspect = (GLfloat)w / (GLfloat)h; GLfloat nRange = 100.0f; glViewport(0,0,w,h); glMatrixMode(GL_PROJECTION); //将当前矩阵指定为投影模式 glLoadIdentity(); //设置三维投影区 if (w<=h) {  glOrtho(-nRange, nRange, -nRange * aspect, nRange * aspect, -nRange, nRange); }  else {  glOrtho(-nRange, nRange, -nRange / aspect, nRange / aspect, -nRange, nRange); }}void key_board(GLint key,GLint x,GLint y){ if(key == GLUT_KEY_UP) {  AngleX -= 5.0f; } if(key == GLUT_KEY_DOWN) {  AngleX += 5.0f; } if(key == GLUT_KEY_LEFT) {  AngleY -= 5.0f; } if(key == GLUT_KEY_RIGHT) {  AngleY += 5.0f; } if(AngleX > 355.0f) {  AngleX = 0.0f; } if(AngleX < 0.0f) {  AngleX = 355.0f; } if(AngleY > 355.0f)  AngleY = 0.0f; if(AngleY < 0.0f) {  AngleY = 355.0f; } glutPostRedisplay();}void init(){ AngleX = 45.0f; AngleY = 315.0f; glClearColor(0.0f, 0.0f, 0.0f, 1.0f); glEnable(GL_DEPTH_TEST); glEnable(GL_DITHER); glShadeModel(GL_SMOOTH);}void main(int argc,char* argv[]){ glutInit(&argc,argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); glutInitWindowSize(480,480); glutCreateWindow("OpenGL颜色立方体"); glutReshapeFunc(reshape); glutDisplayFunc(display); glutSpecialFunc(key_board); //设置处理特殊击键的回调函数 init(); glutMainLoop();}

效果图：

           

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