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Question by NoUJoe · Apr 19, 2015 at 10:43 PM · physicscoroutineyieldfixedupdate

WaitForFixedUpdate coroutine happens after the internal physics update?

http://docs.unity3d.com/Manual/ExecutionOrder.html

The diagram shows that WaitForFixedUpdate happens before the internal physics update but after FixedUpdate. But from my tests, this is not true. I tried to use rigidbody.MovePosition () in a WaitForFixedUpdate coroutine but it always happens one frame after, as if it had run after the physics update

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avatar image apantev · Dec 01, 2015 at 02:35 AM 0
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I'm seeing the same thing.

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Answer by Bunny83 · Dec 01, 2015 at 03:36 AM

Yes, it seems like a bug. The order clearly is:

  • FixedUpdate

  • Internal physics update

  • WaitForFixedUpdate

  • Update

MovePosition will take immediate effect on rigidbody.position, however that position is applied to transform.position during the internal physics update. So movement applied in a coroutine will take effect after the next physics step.

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