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Postponed means that the issue was either a feature request or something that requires major refactoring on our side. Since that makes the issue not actionable in the close future we choose to close it as Postponed and add it on our internal roadmaps and technical debt pages instead.
Postponed
Votes
18
Found in
5.0.0f4
Issue ID
682890
Regression
No
Severe lag in animation window in Unity 5.x
To reproduce:
1. Open attached project
2. Open TestScene
3. Select any cube in scene
4. Press record in animation
5. Change rotation of cube
6. Observe the lag
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robin.theilade
Jul 18, 2015 10:43
Still an issue in 5.1.2f1
blackstaffgames
Jul 03, 2015 15:52
I have animation with rotations, transforms etc with approx 50 curves. Animations play fine both in the Animator Window and in Game. There is however a HUGE lag when changes any of the key frames. Moving or changing the value of keyframes seems to work fine, however once confirmed there is more than 10 seconds of waiting for the curves to settle.
robin.theilade
Jun 28, 2015 13:14
As Unity have not yet provided any information on when this lag could be fixed I went ahead and looked into the possibility of making a temporary fix using a script.
What I found was that I had slightly misread the profiler. Where I thought the issue was with the number of times the OnInvalidateAnimatorController was called the lag was actually inside the very secret and quite external AnimationUtility.Internal_SetEditorCurve method.
As you can see from these two before and after screenshots, making the invalidation code be ignored does not change the lag.
https://dl.dropboxusercontent.com/u/9933904/before.png
https://dl.dropboxusercontent.com/u/9933904/after.png
Unity I really looking forward to hear from you.
robin.theilade
Jun 27, 2015 13:23
I think I'm experiencing the same issue so I would like to supply a little more information.
It seems like AnimatorController.OnInvalidateAnimatorController is called too many times per update (in my case 3200+ times) which results in a single update takes 3000+ ms.
Here is a video of the issue:
https://dl.dropboxusercontent.com/u/9933904/bandicam%202015-06-26%2009-02-45-955.avi
I'm using Unity 5.1.0f3
cloud9-imac
Jun 23, 2015 03:55
I also encountered this in animation window in Unity 5.1.1f1.