Search Issue Tracker
Won't Fix
Votes
0
Found in
2018.2.14f1
2018.3.0a1
2019.1.0a1
2019.2.0a1
Issue ID
1095537
Regression
No
AnimationCurve.Evaluate() makes glitchy animation when used with System.Threading.Tasks.Parallel.For()
How to reproduce:
1. Download, extract and open user's attached project (New Unity Project.zip)
2. Open 'Scene'
3. Select 'NoiseViewer' object in the Hierarchy and in the 'Noise (Script)' component, change Scale to 50 to see the issue more clearly
4. Enter Play mode
5. Move around the X coordinate in the same component to see the issue
Expected result: Animation displays normally
Actual result: Glitchy green lines are appearing over the animation
Reproduced with: 2018.3.3f1, 2019.1.0a14, 2019.2.0a1
Add comment
All about bugs
View bugs we have successfully reproduced, and vote for the bugs you want to see fixed most urgently.
Latest issues
- [Linux] AudioClip generated by an external process (LMMS) and loaded into the editor has no samples
- [Hub][Mac] "Create" button in Project creation window does not gray out when selecting root folder of Read-Only external storage
- Private OnSceneGUI method is not called when using a base Editor type with the attribute editorForChildClasses
- Sprite.OverrideGeometry Incorrectly overrides vertices
- [Unity 2018] Editor crash on switching target platform when project contains a dll asset with a define constraint
Resolution Note (fix version ):
AnimationCurve implementation is not thread safe. It uses a cache internally to speed up calculation and this will not behave properly when called concurrently. While you may evaluate a curve in a thread, you may not evaluate the same curve in multiple threads.