Subject:
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Re: Detemining Polygon Winding (Was: New Plugin for LDDesignPad)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 8 Aug 2002 02:10:46 GMT
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Viewed:
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655 times
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In lugnet.cad.dev, Erik Olson writes:
> Portals. It's not backface culling, it's testing all polygons for visibility
> using possible rays through the openings, or from the sides of a bounding
> box. This is no longer culling based on front/back but true visibility that
> is computed once at load-time, and could scale to the whole model as you
> build it.
Oops, I guess you caught me. I knew about that one but I'm too lazy
to implement it. Isn't that the method used by MLCAD?
> By the way, how about the new version of Moller's Real Time Rendering? It's
> sure to be interesting.
Yeah, probably. Seems like only yesterday I was all excited about some
code snippet of his that I found on the internet.
http://news.lugnet.com/cad/dev/?n=7419
I can't for the life of me remember if I ever finished playing with
that code. I'll have to go back and check the CVS archives...
Don
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