1/ what is a BSP-tree and why/how should i use it.
2/ witch algorithm can i use for sorting wisible / hidden objects.
3/ need a little theory about 3D engines what all can do a game engine.
4/ and a little theory about multitexturing
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used to determine (quickly) what polygons are visible (used in levels with many hidden faces, like a quake level)
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just use a z buffer, but backface culling and the BSP-tree are often used to speed up processes
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Too broad of a question…read this http://www.opengl.org/developers/documentation/OpenGL12.html …you’ll figure out what you can do (also ‘OpenGL Progamming Guide’ is a good book to get)
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not much theory…you use one function to tell the card which of the textures you’re supplying information about… http://www.opengl.org/developers/documentation/OpenGL12.html has an apendix on multitexturing
[This message has been edited by HFAFiend (edited 03-26-2001).]