Subject:
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Re: ldglite (ldlite for OpenGL and Linux) new stuff
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 2 Feb 2000 12:24:38 GMT
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Viewed:
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2603 times
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Don Heyse wrote:
>
> Hey, that would be great! But before you compile it, I think I have a fix
> for the empty window problem Todd's been seeing. If you find the line
> with gluPerspective() in main.c, change the -500.0 to 1000.0. Apparently
> it's clipping EVERYTHING with the far clipping plane. Gotta read up on
> that function and see why I thought that had to be negative... And for that
> matter, why does it work on all the versions of Mesa and GL that I tried
> beforehand?
I've tried and it worked after fixing the gluPerspective call, it's
very slowe (LeoCAD renders the WTOWER.DAT file in less than 1 second)
but at least it works. The last 2 parameters to gluPerspective are the
distance from the viewer to the near and far clip planes, so they can
never be negative.
Leonardo
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Message has 2 Replies:
 | | Re: ldglite (ldlite for OpenGL and Linux) new stuff
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| (...) Hmmm, that sounds like a commercial for LeoCAD. ;^) And a target, 1 second eh? Seriously though, It'll never reach those speeds parsing DAT files, but hopefully when I switch to display lists for the redraws... Just for the record, how slow (...) (25 years ago, 2-Feb-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: ldglite (ldlite for OpenGL and Linux) new stuff
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| (...) Hey, that would be great! But before you compile it, I think I have a fix for the empty window problem Todd's been seeing. If you find the line with gluPerspective() in main.c, change the -500.0 to 1000.0. Apparently it's clipping EVERYTHING (...) (25 years ago, 1-Feb-00, to lugnet.cad.dev)
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