[Bf-funboard] Volumetric normals based on density gradient?
Tiago Estill de Noronha
TiagoTiagoT+Bf-funboard at Gmail.com
Fri Apr 4 00:25:44 CEST 2014
How big would the impact in the performance be if the normals for
volumetric materials were calculated based on the density gradient (i guess
sampling N points around the point in question to see which direction is
denser; averaging the directions in case there was disagreement)?
And for homogenous density regions perhaps it could do something like
produce a <0,0,0> normal internally that gets treated as a sorta wildcard,
pointing back at the direction of incoming rays?
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