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Fixed in 2017.1.X
Votes
36
Found in
5.4
Issue ID
815861
Regression
No
CanvasRenderer.OnTransformChanged is called on disabled UI objects
When a transform with children CanvasRenderers is changed/moved CanvasRenderer.OnTransformChanged is called for all of them even if they are disabled causing huge CPU spikes.
The project attached contains a scene with 1000x4 such objects. Profiler shows a lot of time wasted in CanvasRenderer.OnTransformChanged every frame.
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cozyurt_unity
Jul 15, 2020 11:50
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k_belonogov
Mar 23, 2017 16:59
Thanks, Unity! It works in 5.5.2p4
k_belonogov
Mar 23, 2017 14:02
Unity 5.6.0f1 - nothing has changed :(((
CanvasRenderer.OnTransformChanged - 4000 calls
Froghuto
Jan 10, 2017 15:06
This makes using the UI system in VR projects (ui's that move with the camera) impossible. Please fix this!
Lszt
Jan 06, 2017 11:04
Issue exists on Unity 5.3 too and probably before this. Please it could be nice to do something or at least review this.
k_belonogov
Dec 16, 2016 06:17
There is not so good but working workaround. You can place inactive children from moving node to static one.
zbyhoo
Nov 08, 2016 17:29
Is there ANY workaround for that? I have really big performance problems because of that on iPad 3.