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Votes
0
Found in
2020.1
2020.1.0f1
2020.2
Issue ID
1265571
Regression
No
[Physics] Articulation Body Angle constraints stop working when disabled and reenabled
Reproduction steps:
1. Open attached project "Articulation.zip" and scene "Book"
2. Enter Play Mode
3. Press the 'Z' key twice
4. In Game View, observe 'Book' GameObject
Expected result: As the GameObject falls, the angle constraints remain
Actual result: As the GameObject falls, the angle constraints stop working
Reproducible with: 2020.1.3f1, 2020.2.0a20
Could not test with: 2018.4.26f1, 2019.4.8f1 (Articulation Body unavailable)
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Resolution Note (2021.1.X):
This is expected behaviour, as enabling the body back makes the anchors and limits to be recalculated relative to the new pose. If maintaining angles is required, one can save the anchors before disabling a body and then set them back right after enabling. Make sure to disable "Match anchors" in this case.