I'm guessing there is no way to use glu with ES. How should I go about replacing my gluLookat and gluPerspective/glFrustrum calls? I know that glFrustrumf can be used to replace gluPerspective, but not really to any detail. Thanks, Josh Rosen Josh, You've got a long way to go. This is my first time around doing graphics programming so I picked up a copy of "Essential Mathematics for Games & Intera