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Won't Fix
Votes
0
Found in
2021.3.26f1
2022.3.1f1
2023.1.0b19
2023.2.0a17
Issue ID
UUM-37774
Regression
No
Shadow artifacts are visible in between the terrains when Lightmaps are generated
Reproduction steps:
1. Open the attached “1541368” project
2. Open the “Assets/_Project/Scenes/PrefabLightningScens/_ExampleTerrain_40x40/ExampleTerrain_40x40.unity” Scene
3. Open the Lightning Window (Window > Rendering > Lightning)
4. Inside the Lightning Window, press the “Generate Lightning” button
5. Wait for Lightmaps to finish generating
6. Inside the Scene View, observe the shadows between the terrains
Expected result: Shadows appear without any artifacts
Actual result: Shadows look as if cut, resulting in visual artifacts
Reproducible with: 2021.3.26f1, 2022.3.1f1, 2023.1.0b19, 2023.2.0a17
Reproducible on: Intel MacOS 13.3.1
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Resolution Note:
Fixing this would require a global stitching algorithm for lightmaps. This is not currently on the roadmap.
There are ways to mitigate the issues and these have been communicated.