- glViewport(0, 0, width, height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- ar = (float) width / (float) height;
- glFrustum(-ar, ar, -1.0, 1.0, 2.0, 100.0);
- glMatrixMode(GL_MODELVIEW);
+ glViewport ( 0, 0, width, height ) ;
+ glMatrixMode ( GL_PROJECTION ) ;