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MSFS20 Blender-native lights shining through geometry

ZdenniZ

ZdenniZ

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I've got an issue with lights shining through geometry. I created a spot light with symmetry in Blender and put it inside a light fixture (without it it doesnt work at all) and it shines through walls and the light fixture geometry in the sim... It doesn't happen on render though. Could anybody help me out with this? :) Thanks.
 
I wouldn't think light should normally shine through walls with proper geometry, but if it is intense enough it may. Check that your normals are all facing the correct direction, you can try selecting all faces and saying recalculate from outside. Look under Viewport Overlays > Face Orientation. Use CTRL-A Rotation and Scale as well as recalculating the normals before exporting the model is a good practice.

If that doesn't work, there may be a hole somewhere where the light is reflecting through, these can be difficult to find and in that case I'd re-enforce the wall by adding a black plane or thin cube and have one side be invisible, this will 100% block all light, I've had to do it before. When doing this make sure to set the Specular value in blender to 0 and albedo color to full black. Also, your issue could be in the AO texture or in the specular settings in general, or any of the texture maps (normal, roughness, etc...).
 
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