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Question by ddaleymont · Jul 13, 2018 at 06:40 PM · lighting lightmapping uv mapping global illumination

Generate Lightmap UVs causing needless overlap

I'm automatically generating lightmap UV's for a small neighborhood with Pack Margin set to 10. Upon generation, despite plenty of room left in the chart, Unity has packed some parts of the mesh to overlap:

Full Overlap

Here's a close up view: while it looks like my Hard Angle setting was enough to split the pieces, it didn't observe the pack margin:

alt text

Has anyone here run into this kind of behavior or have any clue where this might be coming from?

post2.png (14.2 kB)

post1.png (124.9 kB)

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