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Fixed
Fixed in 2021.3.31f1, 2022.3.10f1, 2023.1.14f1, 2023.2.0b10, 2023.3.0a5
Votes
0
Found in
2021.3.27f1
2022.3.2f1
2023.1.0f1
2023.2.0a15
2023.3.0a4
Issue ID
UUM-40352
Regression
No
ScrollView produces jittery animation when playing PostPointerUpAnimation
In line 1574 of “ScrollView.cs” ([https://github.com/Unity-Technologies/UnityCsReference/blob/2023.2/ModuleOverrides/com.unity.ui/Core/Controls/ScrollView.cs#L1559)|https://github.com/Unity-Technologies/UnityCsReference/blob/2023.2/ModuleOverrides/com.unity.ui/Core/Controls/ScrollView.cs#L1559)|smart-link]) PostPointerUpAnimation is executed every 30ms (schedule.Execute(PostPointerUpAnimation).Every(30)) which produces jittery animation.
The user suggested changing “.Every(30)” into “.Until(() => false)” which would execute animation every frame and produce far better results.
Reproducible with: 2023.2.0a15 (by the reporter)
Reproducible on: Windows 10 (by the reporter)
Notes:
- Not reproduced by CQA
- Forums mentioning the issue: [https://forum.unity.com/threads/scrollview-has-a-few-bugs.1162652/|https://forum.unity.com/threads/scrollview-has-a-few-bugs.1162652/], [https://forum.unity.com/threads/scrollview-value-changed-callback.1441750/#post-9048712|https://forum.unity.com/threads/scrollview-value-changed-callback.1441750/#post-9048712]
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Resolution Note (fix version 2023.2.0b10):
Fixed UUM-40352 @laila-chammaa:
UI Toolkit: Fixed ScrollView produces jittery animation when playing PostPointerUpAnimation.