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Help - 3D Engine in D3D

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Hi, lately Ive been learning D3D and I got most of the basics figured out, what I want to learn to do is make a simple (for now) 3D engine, maybe something DOOM-like in which I can make a room and make the camera move around in it, Im sure I could figure out most of the stuff by myself in time, but Im not that patient, so, does anyone know of a good D3D IM tutorial (that doesnt use D3DX, I wanna learn D3D IM as best as I can) that gives a good intro to a 3d engine? thanks. Luis Sempe

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Your best bet would be to buy a book on Direct3D, one that
has an in depth coverage of game programming with IM. The one thing to remember is that D3DIM requires that you have pre-render frame buffers ready to go before rasterization. This means that you will not be able to just give it translation vectors and have it magically do the math for you. In direct3d RM, there are functions to do this, and there are also containers to do other matrix math that is not in the IM command set. It is best to have your own routines anyway, so that you can port to other API''s, and
hardware. But if you develop your own, you''d need to know the math behind it, and need to spend lots of time developing algorythms- So use RM for the math, and IM for the rendering and animation


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