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Votes
2
Found in
2020.3.39f1
2021.3.10f1
2022.1.17f1
2022.2.0b8
2023.1.0a11
Issue ID
UUM-14412
Regression
No
unity_MatrixPreviousM is not updating when the GameObject changes position
Reproduction steps:
1. Open the attached project “CustomSRP_MotionVectors”
2. Open the “Scene 01_MotionVector” Scene
3. Enter Play mode
4. Enable the Frame Debugger
5. Select one of the “Draw Mesh” calls
6. Observe the value of the unity_MatrixPreviousM matrix
7. Disable the Frame Debugger and unpause the Scene
8. After the positions of the GameObjects change, enable the Frame Debugger
9. Select the same “Draw Mesh” call
10. Observe the value of the unity_MatrixPreviousM matrix
Expected result: The value is updated
Actual result: The value is the same
Reproducible with: 2020.3.39f1, 2021.3.10f1, 2022.1.17f1, 2022.2.0b8, 2023.1.0a11
Reproducible on: macOS 12.4 (Intel)
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Resolution Note:
Camera only generates motion vector data when the depthMode is set correctly. (User error)