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Votes
0
Found in
5.4.1f1
Issue ID
837344
Regression
No
Lightmapped object with alpha-clipped material occasionally cut holes in lightmap
Summary: Alpha clipped materials attached to flat planes, when angled perpendicular to the light, and if positioned at certain X and Z locations in world space, will cut holes through baked shadows.
Steps to reproduce:
1. Open attached project
2. Open scene "Bug report"
3. Move scene camera to the center of terrain cluster
4. Bake lightmap
5. Notice lines cut out of baked shadow
Reproduced with: 5.2.5f1, 5.3.6p6, 5.4.1p4, 5.5.0b6
Workaround: use the progressive lightmapper or move object closer to (0,0,0).
A fix for Enlighten is to change the push-off parameter to a larger value. An order of magnitude higher pushoff value (0.001) fixes the artifacts on this tree scene.
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