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Visual noise in Cesium3DTiles (Material) #1359
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I see it too. Even turning off antialiasing (Project Settings->Anti-Aliasing Method = None), the problem persists. This does stop the noise from animating at least. |
Some more information from our side: Also if I use a new Material Instance of the So maybe a bad asset/ old parameters? but i cannot exclude yet if its cache/DDC related from our side. |
I've noticed today that there is a visual noise on the Cesium3DTiles (its very hard to see, kind of white noise/ pixel artifacts):
Noise_UE5.3_Cesium.mp4
it is even more visible when the mesh/3dTiles is selected (so its something in the mesh?):
Noise_Selected_UE5.3_Cesium.mp4
Its quite subtle visual noise and far better visible when the 3dTileset is selected. It's mostly noticeable in darker areas and is in VR quite noticeable (also in builds)
It seems like its a Material issue (?) with the standard masked material:
If I change the 3dTileset material to the
M_DEPRECATED_CesiumDefaultMasked
the issue is gone.Also if disconnect/replace the Alpha Channel of the Vertex Color node from the Opacity/ OpacityMask in the
CesiumGlTFFunction MaterialFunction
, the issue/noise is gone (so it seems vertex color related?)If I have time, I'll try to dive into it a bit, but maybe you guys already know the issue/culprit
My Specs
Steps to reproduce:
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