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Fixed in 2021.2.X
Votes
5
Found in
2017.4
2018.3
2018.4
2019.2
2019.2.0f1
2019.3
2020.1
Issue ID
1196250
Regression
No
[Playables] The first frame of the Animation Playable is delayed when entering Play Mode causing a delay by one frame
How to reproduce it:
1. Open the project "animationProject"
2. Open the scene "SampleScene"
3. Press the Pause button
4. Press the Play button
5. Press the Step button a few times
6. Observe the first lines in the Console window
Expected result: after the first execution of Update method the local time of the Playable changes
Actual result: after the first execution of Update method the local time of the Playable is the same
Reproducible with: 2017.4.33f1, 2018.3.14f1, 2018.4.12f1, 2019.2.12f1, 2019.3.0b10, 2020.1.0a12
Note: it is not reproducible in versions between 2017.4.0f1 and 2018.2.0b7 when entering the Play Mode without pausing it at first
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Resolution Note (fix version 2021.2):
As we update the time of the playables in the PreLateUpdate method callback, it is normal to always have a difference of time of one frame between the Update and LateUpdate methods (see : https://docs.unity3d.com/Manual/ExecutionOrder.html).
The documentation was updated for the SetTime and GetTime of playables