glut режимы - C++ - Ответ 1516173

void Reshape(int width, int height)
{
  glViewport(0, 0, width, height);
  glClearColor(0, 0.5, 0.3, 1.0f);
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  gluOrtho2D(0, width, height, 0);
  glMatrixMode(GL_MODELVIEW);
 
}
 
void Draw(void)
{
  glClear(GL_COLOR_BUFFER_BIT);
 
  glColor3f(0.0f, 0.0f, 1.0f);
  glLineWidth(2);
 
  glBegin(GL_LINES);
    glVertex2f(0,0);  
    glVertex2f(400,400);  
  glEnd();
 
  glFinish();  
}
 
void OnTimer(int Value)
{
    glutPostRedisplay();
    glutTimerFunc(40,OnTimer,0);    
}
 
void OnKeyPress(unsigned char key,int x, int y)
{
    if(key = 27)
    {
        exit(0);
    }
}
 
int main(int argc, char *argv[])
{
  glutInit(&argc, argv);
  glutInitWindowSize(1024, 768);
  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA);
  glutCreateWindow("So, It's Tank");
  glutFullScreen();
  glutReshapeFunc(Reshape);
  glutDisplayFunc(Draw);
  glutTimerFunc(40,OnTimer,0);
  glutKeyboardFunc(OnKeyPress);
  glutMainLoop();
  return 0;
}