// Main routine.
int main(int argc, char **argv) 
{
   printInteraction();
   glutInit(&argc, argv);
   glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH); 
   glutInitWindowSize(500, 500);
   glutInitWindowPosition(100, 100); 
   glutCreateWindow("Test Opengl");
	
   glewExperimental=true;
   if(glewInit()!=GLEW_OK)
  {
    //Problem: glewInit failed, something is seriously wrong.
    cout<<"glewInit failed, aborting."<<endl;
  }

   setup(); 
   glutDisplayFunc(drawScene); 
   glutReshapeFunc(resize);  
   glutKeyboardFunc(keyInput);

   // Register the callback function for non-ASCII key entry.
   glutSpecialFunc(specialKeyInput);

   glutMainLoop(); 

   return 0;  
}