unreal engine 5.4 groom Voxel shadow problem.

Development Rendering
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1

Line-shaped shadows appear on the feathers. How can I solve this?

image
image1574×872 131 KB

https://youtu.be/C8_nEf1pXnE

2

i solved the problem
I set the sky Distance Threshold ratio to 30
r.HairStrands.SkyLighting.DistanceThreshold 30