- glClear( GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT );
- glEnable(GL_DEPTH_TEST);
- glDepthFunc(GL_LEQUAL); // glDepthFunc(GL_LESS oder GL_EQUAL)
- glLoadIdentity();
- glMatrixMode(GL_PROJECTION);
- glOrtho(0, SCREEN_WIDTH, SCREEN_HEIGHT,0, 0, 128);
- .. (draw..!)