Hello,
I wanted to try using VDB clouds with unreal engine’s base material for heterogeneous volumes or even make a custom material for it but I realized there was an issue where the rendering of said heterogeneous volumes were having the priority over volumetric clouds.
In my case I wanted to have a set of global clouds (volumetric material on the volumetric actor) and have some local clouds at desired locations but it happens that the VDB clouds in said volumes are always rendered on top of any volumetric clouds which completely break any sense of realism.
Example in case I was not clear enough :
-1 big volumetric cloud 1km away from the camera
-1 VDB cloud 2 km behind the first cloud
=The VDB is always visible in front of the first volumetric cloud.
Is it a known “bug” and if so do we have any informations on if it will be fixed so that they can coexist?
View on the side
View on the front
Also on a side note but still related to heterogeneous volumes, some cvars don’t seem to be working anymore from 5.3 to 5.5.
r.HeterogeneousVolumes.IndirectLighting don’t seem to have any effect and I could not find if that was due to some settings I have in my project or any other kind of actors.
Some other cvars are not working anymore in 5.5 causing BP compilation errors as well.
Best Regards