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Fixed in 2021.2.X
Fixed in 2020.3.X, 2021.1.X
Votes
1
Found in
2020.2
2020.2.2f1
2021.1
2021.2
Issue ID
1310485
Regression
No
Collision.relativeVelocity always return zero when using ArticulationBody on collision
How to reproduce:
1. Open the attached project's "case_1310485-Project.zip" Scene labeled "SampleScene"
2. Enter the Play Mode
3. Inspect the Console Window
Expected result: "Collision.relativeVelocity" values are populated on the initial collision
Actual result: "Collision.relativeVelocity" values are not populated on the initial collision
Reproducible with: 2020.2.4f1, 2021.1.0b6, 2021.2.0a4
Couldn't test with: 2018.4.31f1, 2019.4.20f1 (ArticulationBody Component is not available)
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Resolution Note (fix version 2021.2):
Fixed in Unity 2021.2.0a11 and above
Resolution Note (fix version 2021.1):
Fixed in Unity 2021.1.2f1
Resolution Note (fix version 2020.3):
Fixed in Unity 2020.3.5f1