[PD] More GEM- shading and patches

[Thomas Fredericks]

Hi all...

I have been playing around with GEM a bit, but I can not seem to get the 
"colored glass" alpha blending effect.
How can I control the blend level of my geos (from opaque, semi-transparent 
to fully transparent).
Do I have to texture them first?
Do they have to use alpha images as textures?
I will send a patch of my tests with some weird shading problem later in the 
afternoon .
Does anyone have some nice GEM patches to share (were you acheived some 
actual nifty effects?) because so much is missing out of the open GL 
implementation(light light rays, and mirror (metal) reflections...).

Thanks a lot

Tom OF

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