OpenGL

开发平台：
Visual C++

DBUFCOLR.C：源码内容
							
#include "windows.h"
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glaux.h>
GLfloat step=0.0,s=0.1;
static GLfloat  p1[]={0.5,-0.5,-0.5}, p2[]={0.5,0.5,-0.5},
                p3[]={0.5,0.5,0.5},   p4[]={0.5,-0.5,0.5},
                p5[]={-0.5,-0.5,0.5}, p6[]={-0.5,0.5,0.5},
                p7[]={-0.5,0.5,-0.5}, p8[]={-0.5,-0.5,-0.5};
static GLfloat  m1[]={1.0,0.0,0.0},	m2[]={-1.0,0.0,0.0},
				m3[]={0.0,1.0,0.0},	m4[]={0.0,-1.0,0.0},
				m5[]={0.0,0.0,1.0},	m6[]={0.0,0.0,-1.0};
   	
static GLfloat  c1[]={0.0,0.0,1.0},  c2[]={0.0,1.0,1.0},
                c3[]={1.0,1.0,1.0},  c4[]={1.0,0.0,1.0},
                c5[]={1.0,0.0,0.0},  c6[]={1.0,1.0,0.0},
                c7[]={0.0,1.0,0.0},  c8[]={1.0,1.0,1.0};
              
void myinit(void);
void CALLBACK myReshape(GLsizei w, GLsizei h);
void CALLBACK stepDisplay (void);
void CALLBACK startIdleFunc (AUX_EVENTREC *event);
void CALLBACK stopIdleFunc (AUX_EVENTREC *event);
void CALLBACK display(void);
void DrawColorBox(void);
//  初始化材质特性、光源、光照模型和深度缓冲区
void myinit(void)
{ 
    GLfloat light_ambient[]={0.3,0.2,0.5};
	GLfloat light_diffuse[]={1.0,1.0,1.0};
    GLfloat light_position[] = { 2.0, 2.0, 2.0, 1.0 };
    GLfloat light1_ambient[]={0.3,0.3,0.2};
	GLfloat light1_diffuse[]={1.0,1.0,1.0};
    GLfloat light1_position[] = { -2.0, -2.0, -2.0, 1.0 };
    glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
	glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
	glLightfv(GL_LIGHT0, GL_POSITION, light_position);
    glLightfv(GL_LIGHT1, GL_AMBIENT, light1_ambient);
	glLightfv(GL_LIGHT1, GL_DIFFUSE, light1_diffuse);
	glLightfv(GL_LIGHT1, GL_POSITION, light1_position);
	glLightModeli(GL_LIGHT_MODEL_TWO_SIDE,GL_TRUE);
    glEnable(GL_LIGHTING);
    glEnable(GL_LIGHT0);
	 glEnable(GL_LIGHT1);
    glDepthFunc(GL_LESS);
    glEnable(GL_DEPTH_TEST);
     glColorMaterial(GL_FRONT_AND_BACK,GL_DIFFUSE);
     glEnable(GL_COLOR_MATERIAL);
}
void CALLBACK display(void)
{
	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    
      s+=0.005;
      if(s>1.0)s=0.1;
    glPushMatrix();
  	 glScalef(s,s,s);
     glRotatef(step,0.0,1.0,0.0);
     glRotatef(step,0.0,0.0,1.0);
  	 glRotatef(step,1.0,0.0,0.0);
     DrawColorBox();
    glPopMatrix();
    
    glFlush();
	//  交换缓冲区
	auxSwapBuffers();
}
void CALLBACK stepDisplay (void)
{
    step = step + 1.0;
    if (step > 360.0)
    step = step - 360.0;
    display();
}
void CALLBACK startIdleFunc (AUX_EVENTREC *event)
{
    auxIdleFunc(stepDisplay);
}
void CALLBACK stopIdleFunc (AUX_EVENTREC *event)
{
    auxIdleFunc(0);
}
void CALLBACK myReshape(GLsizei w, GLsizei h)
{
    glViewport(0, 0, w, h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    if (w <= h) 
    glOrtho (-1.5, 1.5, -1.5*(GLfloat)h/(GLfloat)w, 
        1.50*(GLfloat)h/(GLfloat)w, -10.0, 10.0);
    else 
    glOrtho (-1.5*(GLfloat)w/(GLfloat)h, 
        1.5*(GLfloat)w/(GLfloat)h, -1.5, 1.5, -10.0, 10.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity ();
}
  void DrawColorBox(void)
{
 	
 	  glBegin (GL_QUADS);	
        
		  glColor3fv(c1);
         glNormal3fv(m1);
        glVertex3fv(p1);
		  glColor3fv(c2);
        glVertex3fv(p2);
		  glColor3fv(c3);
        glVertex3fv(p3);
		  glColor3fv(c4);
        glVertex3fv(p4);
		  glColor3fv(c5);
         glNormal3fv(m5);
        glVertex3fv(p5);
		  glColor3fv(c6);
        glVertex3fv(p6);
		  glColor3fv(c7);
        glVertex3fv(p7);
		  glColor3fv(c8);
        glVertex3fv(p8);
		  glColor3fv(c5);
         glNormal3fv(m3);
        glVertex3fv(p5);
		  glColor3fv(c6);
        glVertex3fv(p6);
		  glColor3fv(c3);
        glVertex3fv(p3);
		  glColor3fv(c4);
        glVertex3fv(p4);
		  glColor3fv(c1);
         glNormal3fv(m4);
        glVertex3fv(p1);
		  glColor3fv(c2);
        glVertex3fv(p2);
		  glColor3fv(c7);
        glVertex3fv(p7);
		  glColor3fv(c8);
        glVertex3fv(p8);
		  glColor3fv(c2);
         glNormal3fv(m5);
        glVertex3fv(p2);
		  glColor3fv(c3);
        glVertex3fv(p3);
		  glColor3fv(c6);
        glVertex3fv(p6);
		  glColor3fv(c7);
        glVertex3fv(p7);
		  glColor3fv(c1);
         glNormal3fv(m6);
        glVertex3fv(p1);
		  glColor3fv(c4);
        glVertex3fv(p4);
		  glColor3fv(c5);
        glVertex3fv(p5);
		  glColor3fv(c8);
        glVertex3fv(p8);
	  glEnd();
}
  
void main(void)
{
	//  设置显示模式为双缓冲模式和RGBA模式
    auxInitDisplayMode (AUX_DOUBLE | AUX_RGBA);
    auxInitPosition (0, 0, 500,400);
    auxInitWindow ("Double_Buffer_Animation");
    myinit();
    auxReshapeFunc (myReshape);
    auxIdleFunc (stepDisplay);
    auxMouseFunc (AUX_LEFTBUTTON, AUX_MOUSEDOWN, startIdleFunc);
    auxMouseFunc (AUX_RIGHTBUTTON, AUX_MOUSEDOWN, stopIdleFunc);
    auxMainLoop(display);
}

						