andre-ilm

Suggest separate parameters for diffuse and metal colours instead of "base_color"

19

In the OpenPBR specification, the diffuse albedo and the metallic F0 both share the `base_color` parameter, with `base_metalness` providing the control to mix between the dielectric-base and metal substrates. We...

Suggest "presence" or "coverage" instead of "geometric_opacity"

3

I was wondering if anyone would be open to using an alternative name for `geometric_opacity`. In OpenPBR the intention of this signal is to create cutouts of the geometry, rather...

Suggest "0.18" as the default base_color

2

Purely a VFX bias here, but we generally initialise colours to be the value of "middle grey", which as a result of our logarithmic perception, ends up being 0.18. Was...