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Fixed in 2021.2.X
Fixed in 2020.3.X, 2021.1.X
OnTriggerEnter gets called after reparenting a RigidBody
How to reproduce:
1. Open the user's attached project
2. Open the 'main' Scene
3. In the Hierarchy select the 'solid' GameObject
4. In the Inspector enable the 'Allow Reparent' checkbox (located under the Solid component)
5. Enter the Play mode
6. Observe the Console
Expected result: OnTriggerEnter and OnTriggerExit messages get logged only when the Sphere enters and exits the trigger volume at each end
Actual result: The OnTriggerEnter message gets logged constantly
Reproducible with: 2020.3.1f1, 2020.3.2f1, 2021.1.0a10, 2021.2.0a10
Not reproducible with: 2018.4.33f1, 2019.4.24f1, 2020.2.7f1, 2020.3.0f1, 2021.1.0a9
Aug 28, 2021 06:34
My mistake. Please disregard my previous message. It's working fine in 2020.3.11 and .17.
Aug 28, 2021 03:19
I am still seeing these kinds of issues in 2020.11 and 2020.17. Is this verified fixed?
May 03, 2021 15:51
We saw the same issue occur for 2D physics as well.
* Parent a 2d object A to another object
* Deparent A while in a trigger
* Move A out of trigger
* A never calls OnTriggerExit2D
And OnTriggerEnter2D also gets called when parenting again
Apr 29, 2021 09:31
ETA I'm stuck on 2020.3.0 and this meant to be TLS damn it!
Apr 28, 2021 17:28
Any word on this yet?? I want to try 2020 :(
Apr 25, 2021 17:54
Apr 16, 2021 22:15
I made another issue for OnTriggerExit, please vote there too #1329735
Apr 13, 2021 07:51
Apr 12, 2021 13:00
Same here, had to add a workaround. The OnTriggerExit that gets not called when deparenting is almost worse.
Apr 12, 2021 12:26
I have exactly the same problem, on trigger enter gets called when an object is reparented and is already inside the trigger. and when deparenting, it sometimes does not call on trigger exit.
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Resolution Note (fix version 2021.2):
Fixed in 2021.2.0a17
Resolution Note (fix version 2021.1):
Fixed in 2021.1.8f1
Resolution Note (fix version 2020.3):
Fixed in 2020.3.9f1