Quality of light volume on dynamic objects is not as good as bakery volumes

[PrimeDerektive]

I love VRCLightVolumes conceptually but I just don't get as good of results on my dynamic objects as bakery volumes, which I am confused by because I though they basically use the same data.

Light volumes:

Bakery volume:

(we're only looking at the skin mat)

As you can see the light volume result is much softer, flatter looking with less specular and shadow

[REDSIM]

Hey! Which shader do you use? Bakery's shader uses "Geomerics" approach to evaluate Shperical Harmonics. Light Volumes uses just a simple Dot product and some stronger "deringing" pre-processing to make it possible to sample it that way. It's just cheaper to evaluate it this way and the difference is usually not that noticeable.

In your case the difference is clear and I think that you can try to revert by pre-processed deringing and try evaluate everything with Geomerics. (As far as I understand, it's not a VRChat project, so it's not important to support the materials that are already in VRChat)

Or there can be a chance that you already do Geomerics, and that's why the difference is so noticeable. You can try the shader that is provided by default and check the visuals there.

Here you can see the math I do for the deringing. It's a stupid hack, but it works: Link