Reproduction steps:
1. Open the “MikktspaceWorldToTangentRepro” project
2. Open the Assets/Scenes/SampleScene.unity scene
3. Select Assets/ReproModel.fbx asset in the Project Window
4. In the Inspector Window notice that the "Tangents" property is set to "Calculate Mikktspace”
5. Rotate the “ReproModel” GameObject in any axis and observe it
Expected results: “ReproModel” GameObject is rotated
Actual results: Artifacts are visible on the “ReproModel” GameObject after and during it’s rotation
Reproducible with: 2020.3.44f1, 2021.3.16f1, 2022.2.2f1, 2023.1.0a25, 2023.2.0a3
Reproduced on: Intel MacOS 13.1
Notes:
- The issue is also visible if the "Tangents" property is set to “Import” and on the “ReproModelWithUV” GameObject
- When the "Tangents" property is set to "Calculate Legacy" or "Calculate Legacy With Split Tangents" the issue disappears
- The issue is not visible on the “ReproModelWithUV” GameObject in 2022.2.2f1