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By Design
Votes
3
Found in
2018.3.5f1
2018.3.6f1
2019.1.0a1
2019.2.0a1
Issue ID
1133052
Regression
No
Continuous speculative rigidbody getting stuck on mesh collider
Steps to reproduce:
1. Open original project "PhysicsBugReport.zip"
2. Open "MainScene" scene
3. Enter Play mode
4. Compare "Continiuos Speculative" detection mode to "Continues"
Expected result: Both Cubes slides through "tube" GameObject
Actual result: Cube with "Continiuos Speculative" gets stuck while sliding through "tube" GameObject
Reproduced in: 2018.3.9f1, 2019.1.0b8, 2019.2.0a9
Note: Could not test on an earlier version than 2018.3.5f1 because there was no "Continiuos Speculative" detection
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Resolution Note:
Speculative CCD calculates predicted contacts rather than actual contacts. The tunnel constrains the motion of the projectile, which is moving too fast for the solver to solve perfectly.