Re: Mirroring a scene.

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Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Sun, 4 Aug 1996 17:33:18 +0100

Try reversing the viewport minimum & maximum for a laugh.

If you want to do this for a mirror effect inside a normal scene then use a
negative scaling SCS, definitely one for pfFlatten if possible.
You'll have to reverse your backface/frontface culling but your lighting
should be OK because your normals should scale with your geometry.

Rgds,
Angus.

On Aug 2, 12:14pm, Eric Tran wrote:
> Subject: Mirroring a scene.
>
> Hi all,
>
> Have you been successful in creating a mirror
> view of a scene on Performer ?
>
> I tried manipulating the Channel View Matrix but it
> probably is the wrong way to do this. I think this is
> possible since mirroring is mentioned in the Performer
> Programming Guide Chapter 4, page 70, the last two
> paragraphs. However, the book does not go into detail.
>
> Do you have information available on this ?
>
> With great appreciation,
>
> Eric Tran
> CGSD Corp.
> (415)903-4930
> =======================================================================
> List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
> Submissions: info-performer++at++sgi.com
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>-- End of excerpt from Eric Tran

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