Everything not red has an @Alpha of 0.0.
Full Version: Houdini 21 Alpha attribute displaying weird in viewport.
In 20/20.5 I could set @Alpha to see a quick opacity preview in the viewport. It was nice for flipbooks, now in Houdini 21. It displays a value of 0 for @Alpha as something that looks like a facing ratio shader. Not sure what it's doing exactly.
Everything not red has an @Alpha of 0.0.
Everything not red has an @Alpha of 0.0.
It does display correctly with no lights enabled:
ok, so enabling ambient occlusion makes it work correctly with other lighting modes:
