Hey there, I am using UE4.27.2 and have faced with such a problem. When I bake the lighting CPU lightmass it seems like light is splitting into separate rays reminding dispersion effect. I have only one directional light and skylight in my scene. I have tried to reinstal Engine client and test it in…

First off, make sure you’re building your lighting on production. Area lights won’t resolve well on lower quality bakes. If that fails you may have to raise your ray count. When you have a light with a very large source radius it will require a lot of shadow rays to resolve. By default Lightmass us…

A dispersion like artefact when using CPU lightmass

Development Rendering

Vlaskes1 (Vlaskes1) October 4, 2022, 5:46pm 15

Thanks a lot for your answer.