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Third Party Issue
Votes
2
Found in
2020.3.46f1
2021.3.21f1
2022.2.13f1
Issue ID
UUM-32283
Regression
No
GameObject ignores collisions when more than 99 Capsule Colliders are present in a single collision spot
Reproduction steps:
1. Open the attached project “ColliderProject”
2. Open the “Assets/TestPhysicsBug.unity” scene
3. Enter the Play Mode
4. In the Hierarchy Window, select the “TestController” GameObject
5. In the Inspector Window, click the “Start test” button in the attached Test Controller Script Component
6. Observe the movement of the “TestController” GameObject in the Scene View
Expected result: The TestController GameObject moves for a bit and stops (i.e does not fall)
Actual result: The TestController GameObject moves a bit and falls ignoring the “Terrain” GameObject Mest Collider
Reproducible with: 2020.3.46f1, 2021.3.21f1, 2022.2.0a18, 2022.2.13f1
Not Reproducible with: 2023.1.0a1, 2023.1.0b10, 2023.2.0a8
Reproducible on: Intel macOS 13.2.1
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Resolution Note:
This issue is a limitation in PhysX. Unfortunately, it happens deep in the SDK and it's uneasy to provide a helpful message indicating that this has actually happened.
https://github.com/NVIDIAGameWorks/PhysX/blob/a2c0428acab643e60618c681b501e86f7fd558cc/physx/source/physxcharacterkinematic/src/CctCharacterControllerCallbacks.cpp#L955