POV-Ray : Newsgroups : povray.beta-test : Quad and Smooth_Quad macro : Re: Quad and Smooth_Quad macro Server Time
4 Nov 2024 17:32:44 EST (-0500)
  Re: Quad and Smooth_Quad macro  
From: Gail Shaw
Date: 2 Oct 2001 10:47:52
Message: <3bb9d398@news.povray.org>
"Thorsten" <tho### [at] ewetelnet> wrote in message
news:3BB9CBBB.2A60D60E@ewetel.net...
> Hello :-))
>
> How about changing the Quad and Smooth_Quad (shapes.inc) ?
>
> Or could there be any problems caused by declaring
> the Quad and Smooth_Quad as unions?
>

I would guess these macros would be mainly used in converting 3d objects
made up of 4 sided polygons to a triangle mesh

ie

mesh {
 Quad(1,2,3,4)
 Quad(8,3,76,1)
 ......
}

This would cause a parse error if quad returned a union.

Gail
--
*************************************************************************
* gsh### [at] monotixcoza                *   Step into the abyss,           *
* http://www.rucus.ru.ac.za/~gail/   *   and let go.          Babylon 5 *
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