Whole UI flickering when animated.

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When i click some button, or play some UI Animator -animation, all the images and buttons flicker and for a second change to another sprite and come back to the original. It's not only in my project, this happen on others projects and the UnityExamples Scenes.

Answer 1

Answer by Scej · Dec 18, 2015 at 01:30 AM

I finally tracked down my issue by disabling all UI elements one at a time till I found the one that was causing the issue.

My problem was due to a single UI image Rect Transform Pos Z being set to 0.00015125 (something besides 0), I reset it to 0 and all is good.

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AdmiralThrawn · Nov 01, 2017 at 09:28 PM 0

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I just tried it out in my own project with some masked image being rendered above sprites which was flickering whenever a UI animation occurred. Found an element that was very close to zero and set it back to zero removed the flickery! Thanks for this valuable tip, Scej!

Answer 2

Answer by 11k · Dec 18, 2015 at 08:59 PM

I found the solution by manny mistakes. For us to work everything without flickering i just change the "Max Size" on all our sprites to 1024 and the "Format" to "Compressed" . Also uncheck GPU Skinning in the Player Settings and use the latest patch 5.3.1f1.

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JagaHee · Dec 21, 2015 at 11:26 AM 0

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Set all textures max size to 1024. Didn't help. Did anyone send bug report?

DientesDeCheto · Jan 08, 2016 at 11:49 AM 1

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resizing the sprite to 1024 can't be a solution...

Scej DientesDeCheto · Jan 08, 2016 at 02:49 PM 0

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Have you tried moving the canvas transform Z to 0.05 or greater?

Answer 3

Answer by Vounet · Dec 11, 2015 at 11:00 AM

Same problem here since the update to 5.3.0f4 : -When a sprite is changed or when a new UI element is created some sprites (not all of them but a lot) change to what seems to be a not random sprite, but which is completly different from the one expected and then back to the original one after one frame.

Interesting point : I have a terrain one my scene, if I suppress it everything works fine.

We had a similar problem on an older version but it was corrected.

I corrected most of the warnings on my project (inclufing all NPOT) and it doesn't seem to be linked to the ones left.

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Answer 4

Answer by MuHaGames_Avee · Dec 12, 2015 at 01:41 PM

I'm having the same issues, exactly as you described it. However, it only appears on OpenGL and sometimes on dx9. So far I have not observed it in Dx11 mode. I was not able to figure out what is causing this yet, but it's extremely annoying and prevents me from upgrading to 5.3 for public builds of my game. I really hope they can fix it soon or at least that we can find a workaround.

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Answer 5

Answer by Scej · Dec 17, 2015 at 04:35 PM

Can confirm, I'm also having this issue any time a UI sprite is moved/animated. I posted an example video to youtube, Please don't pay any attention to the stretched graphics, I captured this video mid UI construction =P

https://youtu.be/g6496dtpwy4

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Whole UI flickering when animated.

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