Re: How to build the senario of submarine

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Rob Jenkins (robj++at++quid)
Wed, 27 Aug 1997 12:28:37 -0700

If you quesion is how to achieve the circular 'window' then you could do that
with a stencil mask, you draw a circle to the stencil planes, enable a stencil
test such that anything then drawn outside the circle fails the stencil test. I
think there's OpenGL examples, you could put the OpenGL in a predraw call back
then draw the scene, I dare sat someone on the list has done something similar
already.

Cheers
Rob

On Aug 27, 7:47pm, jim wrote:
> Subject: How to build the senario of submarine
> Hi:
> Have you any ideas about submarine simulation. I'd like to render the
> circle channel of telescope and the undersea senario.
>
> Thanks in advance
>
> --
> Support Engineer Jim Tsai
> System & Technology Corp. Visual Simulation Group
> www.systech.hinet.net
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>-- End of excerpt from jim

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________________________________________________________________
Rob Jenkins mailto:robj++at++sgi.com
Silicon Graphics, Mtn View, California, USA
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