Zanzo opened this issue on Aug 11, 2009 · 95 posts
pjz99 posted Tue, 11 August 2009 at 2:29 PM
There's an important difference between how an IBL light can behave with indirect lighting enabled, and how an environment sphere (or other geometry) that emits Ambient will behave: the IBL can have shadows turned off. Ambient emitted from a material will always be occluded by polygons that are not transparent; IBL with shadows off will always pass through it - AND bounce.
Cspear, according to Stewer, when indirect lighting is enabled, light-based AO is skipped, so you might as well not bother with it.