/* Set Projection */      
    glMatrixMode( GL_PROJECTION ); 
    glLoadIdentity(); 
    //glOrtho( 0, 640, 480, 1, -100, 100 ); // way #1
    gluPerspective(60, 640/480, 1, 10000); // way #2 (best!)
    //glFrustum( 0, 640, 480, 1, 1, 100); // way #3
    glMatrixMode( GL_MODELVIEW );

    /* Fix some shading stuff */
    glEnable(GL_COLOR_MATERIAL);
    glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);

    /* Enable smooth shading & lighting */
    glShadeModel( GL_SMOOTH );
    glEnable(GL_LIGHTING);

    /* Set the background black */
    glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );

    /* Depth buffer setup */
    glClearDepth( 1.0f );

    /* Enables Depth Testing */
    glEnable( GL_DEPTH_TEST );

    /* The Type Of Depth Test To Do */
    glDepthFunc( GL_LEQUAL );

    /* Really Nice Perspective Calculations */
    glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST );