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By Design
By Design in 2023.2.X
Votes
0
Found in
2020.3.47f1
2021.3.22f1
2022.2.15f1
2023.1.0b11
2023.2.0a10
Issue ID
UUM-32853
Regression
No
Continuous collision detection creates no angular momentum when contacting with another GameObject
Reproduction steps:
1. Open project “cb_unity”
2. Select “Wheel_RB” in the Inspector
3. Change “Rigidbody\Collision Detection” either to “Continuous” or “Continuous Dynamic”
4. Enter Play mode
Expected result: “Wheel_RB” realistically tumbles when hitting the floor
Actual result: “Wheel_RB” only bounces upwards when hitting the floor - no angular momentum is added
Reproducible with: 2020.3.47f1, 2021.3.22f1, 2022.2.15f1, 2023.1.0b11, 2023.2.0a10
Reproducible on: Windows 10, Reproducible on: macOS Catalina 10.15.7 (Intel)
Notes:
- Also reproduced in StandalonePlayer
- Using Discrete collision detection gives expected results
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Resolution Note:
Unfortunately, this is a limitation in the physics engine itself, PhysX.
Resolution Note (2023.2.X):
Unfortunately, this is a limitation in the physics engine itself, PhysX.