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VIS issue with glass


wedge2211

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I have a room with windows the overlook parts of my level and a skybox, and a wierd VIS issue is occurring. At least, I assume it's VIS-related since it only occurs when I do a q3map2 BSP -vis instead of a BSP -vis -fast.

 

http://wso.williams.edu/~jshoer/images/ots_viserr.jpg

 

The top picture is from inside the room...All you can see of the windows is that rainbow HOM effect. I know this CAN be caused by structural glass brushes, but these are detail brushes and all non-glass faces are caulked. :confused:

 

The bottom-left picture is from outside, a short distance away, and you can see in through the windows...but note that only a few specific brush faces are drawn.

 

The bottom-right picture is from even farther away outside, and now the entire interior is drawn.

 

What gives?

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Don't use caulk on translucent brushes. Use nodraw.

 

All sides of the brush must be textured with a shader that's translucent. Either surfaceparm trans or surfaceparm nonopaque. This forces the brush to detail, and makes the visible surfaces not block light.

 

y

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