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Enabling GI leads to massive light leaks.
Hi guys, just started using marmoset and trying to figure out how the lighting handles. The problem i have is switching on GI leads to light leaking through floors etc. See the pictures, the first has no GI and the second has GI enabled. There are floor and ceiling polys there to block light. Its only when I enable GI the… -
Re: Enabling GI leads to massive light leaks.
This is a technical limitation of the Voxel GI technique. Basically, VXGI works by creating a simplified, voxelized version of the scene, which it uses to calculate real-time GI. As you've noticed, when you shrink the voxel volume size, you get better detail, as you're increasing the local resolution of the voxel volume.… -
Re: Enabling GI leads to massive light leaks.
Thanks :-) you confirmed what I was thinking. I loved playing with it. Its pretty cool the amount of geo that can get covered, but i guess not too suitable for displaying a street of houses and detail. -
Re: Enabling GI leads to massive light leaks.
One thing was strange though, when i moved the lights in-between the floors, the geo did a much better job of blocking the light - both up and down... -
Re: Enabling GI leads to massive light leaks.
Changing the Voxel volume size so it just covers the building and surrounds helps. But Light from the lower floor still finds it way into the upper floor - which shouldn't really be the case... Still feels wrong to me. I've been a lighting artist for 15 years so I hopefully have a good feel for stuff like this :-)
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