DOOM 3D techniques

wat is the difference between ray-casting and ray-tracing?
gauss_lAsked:
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d94steinConnect With a Mentor Commented:
Ray casting is like ray tracing, but you do not worry about secondary rays
(eg. shadows, mirrors). Only check visiblity and color.

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MaizlishCommented:
Try to find PCGPE ( PC games programmers encyclopedy ) for DOS (!!!)
there you can find all the explanations

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gauss_lAuthor Commented:
er.
thanks but no thanz
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