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  Ray Casting Question  (Read 1830 times)
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Offline Jhost

Senior Newbie





« Posted 2012-02-17 23:05:01 »

Hello,
I have a question about how to create a Ray Casting game like Prelude of the Chambers. I have never done any 3d before but have heard this is a relatively simple 3d to work with.
Thanks,
Jhost
Offline sproingie

JGO Kernel


Medals: 202



« Reply #1 - Posted 2012-02-17 23:20:16 »

Ray casting for first-person 3d games is really ancient technology that predates the existence of consumer 3d cards.  The way you'd do it nowadays is to use an API like OpenGL with a real 3d scenegraph, which is much simpler than doing it by hand the way Wolfenstein3D and Doom had to.

Offline EgonOlsen
« Reply #2 - Posted 2012-02-17 23:57:10 »

For the sake of correctness: Doom wasn't a raycaster. And it doesn't become one even if people say it again and again...

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Offline sproingie

JGO Kernel


Medals: 202



« Reply #3 - Posted 2012-02-18 00:16:45 »

I didn't mean to imply Doom did raycasting, only that it used its own "hand-rolled" system that's woefully obsolete by now (though BSP is still useful for culling).  No sane person should have to deal with "visplane overflow" or subject others to it.
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