Subject:
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Re: Some Words To BFC
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 19 Apr 2000 18:07:54 GMT
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Viewed:
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1288 times
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In lugnet.cad.dev, Leonardo Zide wrote:
> Steve Bliss wrote:
> >
> > Question #1: how does the program know that a primitive needs to be
> > inverted?
>
> When it finds that any face of a primitive needs to be inverted. We
> would have to fix the current primitives so that all faces are pointing
> to the same direction. Take a look at the sphere primitive for example,
> it has faces pointing inside and outside the sphere.
OK, that sounds reasonable -- it's something that a clean-up program
could look for, even though it's not practical for a rendering program
to do the same.
Steve
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Message is in Reply To:
 | | Re: Some Words To BFC
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| (...) When it finds that any face of a primitive needs to be inverted. We would have to fix the current primitives so that all faces are pointing to the same direction. Take a look at the sphere primitive for example, it has faces pointing inside (...) (25 years ago, 6-Apr-00, to lugnet.cad.dev)
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