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Fixed in 14.0.3



Found in [Package]


Issue ID




[URP][2D] Normals maps are flipped when the Sprites scale is flipped (from/to negative)

Package: Scriptable Render Pipeline Universal


How to reproduce:
1. Open the user's attached "2DLightBug" project
2. Open the Scene "SampleScene"
3. In the Hierarchy select the "Light 2D" GameObject
4. In the Inspector under Normal Maps enable the "Quality" option
5. Open the Frame Debugger (Window->Analysis->Frame Debugger)
6. Enable the Frame Debugger and select UniversalRenderPipeline->ScriptableRenderer->Draw 2D Lights->Draw Normals
7. Inspect the Game view

Expected results: The Normals are the same on all of the "BoxDummy_001" Sprites
Actual results: The normal on the Sprite that's flipped using the Scale is different

Reproducible with: 7.6.0 (2019.4.28f1), 10.5.0 (2020.3.13f1), 11.0.0 (2021.1.13f1), 12.0.0 (2021.2.0b1)
Could not test with: 2018.4 because URP was not yet available

  1. Resolution Note (fix version 14.0.3):

    Fix for this issue will be available on Unity 2022.2.0a17 and above

Comments (1)

  1. Ningu83

    Oct 08, 2021 12:56

    I have a similar issue.

    Inverting the 2D object to x scale -1 or 180 degrees on the y-axis reverses the top and bottom of the normal map.

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