图形学的代码

#pragma comment(lib,"opengl32.lib")
#pragma comment(lib,"glu32.lib")
#pragma comment(lib,"glaux.lib")

#include <windows.h>
#include <gl/gl.h>
#include <gl/glu.h>
#include <gl/glaux.h>

HDC hDC=NULL;
HGLRC hRC=NULL;
HWND hWnd=NULL;
HINSTANCE hInstance;

BOOL keys[256];
BOOL active=TRUE;
BOOL fullscreen=TRUE;

GLfloat rtri;
GLfloat rquad;

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

GLvoid ResizeGLScene(GLsizei width,GLsizei height)
{
 if(height==0)
  height=1;
 glViewport(0,0,width,height);
 glMatrixMode(GL_PROJECTION);
 glLoadIdentity();

 gluPerspective(45.0f,(GLfloat)width/(GLfloat)height,0.1f,100.0f);

 glMatrixMode(GL_MODELVIEW);
 glLoadIdentity();
}

int InitGL(GLvoid)
{
 glShadeModel(GL_SMOOTH);
 glClearColor(0.0f,0.0f,0.0f,0.5f);
 glClearDepth(1.0f);
 glEnable(GL_DEPTH_TEST);
 glDepthFunc(GL_LEQUAL);

 glHint(GL_PERSPECTIVE_CORRECTION_HINT,GL_NICEST);
 return TRUE;
}

int DrawGLScene(GLvoid)
{
 glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
 glLoadIdentity();

 glTranslatef(-1.5f,0.0f,-6.0f);
 glRotatef(rtri,0.0f,1.0f,0.0f);
 glBegin(GL_TRIANGLES);
  glColor3f(1.0f,0.0f,0.0f);
  glVertex3f(0.0f,1.0f,0.0f);
  glColor3f(0.0f,1.0f,0.0f);