3D in screen 13

I'm working towards a 3D robot FPS in QB 4.5. It also runs in both freebasic and QB64.

See

http://www.freebasic.net/forum/viewtopic.php?t=15934

My future plans for this are:

- Make a 3D object editor.

- Combine the 3D engine with a 2.5 D 'raycasting' engine to handle rooms and walls with a higher framerate than if I made everything out of 3D objects.

- FPS