Angus Dorbie (dorbie++at++bitch.reading.sgi.com)
Fri, 31 Jan 1997 09:38:33 +0000
either reproduce the reflected geometry, or just use an SCS to flip
the model.
You will experience reverse face culling but I think lighting should be OK.
Just remember that a reflected object would need a different set of light
sources so perhaps your multiple channel idea is worth exploring.
It'd also let you ensure rendering order without channel bin sorting.
You need to reverse or disable the surface culling and it may help to
turn on two sided lighting, but actually I thing this _would_ reverse
the lighting so keep the normals you've got and try _just_ face cullng
for now. Don't forget to move the light sources for the scene in the
reflective channel.
I think it would be a _really_ good idea to use a pfFlatten with an SCS
like this if it will avoid the negative scale. This will probably improve
geometry performance a lot.
On Jan 30, 5:53pm, Nathaniel Bletter wrote:
> Subject: Mirror image rendering
> Does anyone know how to vertically flip the image produced by perfomer? I'm
> viewing the monitor in a mirror and need to compensate for it.
>-- End of excerpt from Nathaniel Bletter
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