Hey everyone! After a couple months of researching and trying to understand code, I was finally able to adapt Pruster’s code for thin-films into a node group for GPU purposes.
Here is the original thread: https://blenderartists.org/forum/showthread.php?403299-UPDATE-v1-6-Cycles-PBR-thin-film-interference-and-metals
Here’s an animation of a bubble I made with it as an example of how it looks:
Hey everyone: Here’s a link to the attempt at a spectral interference node group I’ve been toying around with: