/******************************/
/* Rotating cube              */
/* (C) Bedrich Benes 2004     */
/* bbenes ~at~ purdue.edu     */
/******************************/
#include <GL/glut.h>
#include <stdlib.h>
#include <stdio.h>


void Reshape(int w, int h)
{
  glViewport(0, 0, w, h);       
  glMatrixMode(GL_PROJECTION);  
  glLoadIdentity();             
  glOrtho(-1, 1, -1, 1, -10, 10);
}

void Idle(void)
{
  static float r=1;
  register i,j;

  glClear(GL_COLOR_BUFFER_BIT);
  glColor3f(1,1,0);
  glutWireTeapot(0.6);
  glRotatef(3,1,1,1);
  for (j=0;j<100;j++)
  for (i=0;i<100000;i++);
//  glFlush();
  glutSwapBuffers();  
}

void Display(void)
{
	//intentionally empty - everything is displayed in the Idle() routine
	//this procedure is required anyway
}

void Kbd(unsigned char a, int x, int y)
{
	exit(0);
}

unsigned int main(int argc, char **argv)
{
  glutInit(&argc, argv);
  glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
  glutCreateWindow("Rotating teapot");
  glutDisplayFunc(Display);
  glutReshapeFunc(Reshape);
  glutIdleFunc(Idle);
  glutKeyboardFunc(Kbd);
  glutMainLoop();
  return 0;        
}