RE: [Algorithms] Rendering (a portion of) a Plane

[Steve W. <Ste...@im...>]

Ignore my last post...cross-list bleed

> -----Original Message-----
> From: Steve Wood 
> Sent: Friday, July 21, 2000 2:58 PM
> To: 'gda...@li...'
> Subject: RE: [Algorithms] Rendering (a portion of) a Plane
> 
> 
> Oh...then set up a culling rectangle that is smaller than 
> your viewport.
> Where did you see the extraction of clipping planes so you 
> can see around
> them? What you saw may not be used in the way you want it to be
> implemented...but there is always a first.  
> 
> R&R
> 
> > From: Jeremy Bake [mailto:Jer...@in...]
> > 
> > Actually what I'm more after is all these frustum culling routines
> > I've seen lately that extract the clipping planes from the
> > modelview and projection matrices I'd like to be able to 
> extract these
> > draw them (at least a portion since a plane goes to infinity)
> > and move my eye position elsewhere to test if things really 
> > are getting
> > culled outside (I learn better when I can observe what's happening
> > visually, dunno I just have a hard time trusting my code... 
> > I'd lie to know 
> > I'm going in the right direction before getting in too deep)
> > even an example of how to draw a few points on the plane so I 
> > can see it 
> > visually would be great... is that a better description of 
> > what I'm going for?
> > 
> 
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