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By Design
Votes
0
Found in [Package]
7.2.0
Issue ID
1255808
Regression
Yes
Procedurally generated normals shade the mesh's material in two pieces/artifacts
How to reproduce:
1. Open attached project "TestNormal20194.zip" and scene "TestNormal"
2. In Scene view, observe the Quad from different angles
Expected result: the Quad material does not change color
Actual result: the Quad is split in half and depending on the angle different shades are shown
2020.2
Reproducible with: 2019.3.0f6, 2019.3.7f1 (7.2.0), 2019.4.2f1 (7.3.1), 2020.1.0b14, 2020.2.0a15 (8.1.0, 9.0.0-preview.14)
Not reproducible with: 2018.4.24f1 (4.10.0-preview), 2019.3.7f1 (7.1.8)
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Resolution Note:
The result the user was getting before was relying on behavior that's actually incorrect. Shader Graph was able to fix this behavior (and therefore match the renderpipeline) and now it's not doing what the user expects but it's actually correct behavior.
Vertex normals are interpolated linearly, not spherically. It is suggested to pass along the data in a UV instead to get the expected behavior in packages with the fix present.