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Question by Ikno_ · Sep 10, 2020 at 04:03 PM · 2dpost processingemissionbloom

Bloom flickering when moving?

I'm testing post processing effects in unity with the URP in 2D. Now when i apply the bloom effect and have emissive textures it works perfectly, until i move. When i move they start to flicker. I've read that this problems occur to others too and read the solutions but nothing seemed to work. alt text

alt text

The vignette for example works like a charm but it's the bloom thats being annoying. Thanks for reading this.

postprocessing.png (21.8 kB)
postprocess.png (38.8 kB)
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Answer by thomasoleson2000 · Jan 06 at 12:07 AM

I was just struggling with the exact same problem, but I think I found a solution. My guess on how this works is that the bloom works by what the camera is displaying, but some pixels are distorted when a camera moves, meaning that sometimes pixels are thicker and will cause more bloom than at other times. I had hoped that a pixel perfect camera would help, but it didn't do much. But in the FX pipeline asset if you enable anti aliasing in the quality settings and set the render scale below that to 2 (which may be resource intensive, I really don't know) that either removes the problem or makes it much less noticeable. Idk if this is actually helpful but I couldn't find anything anywhere that fixed it either, so I wanted to leave this here in case anyone finds it.

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