Yes and one other thing is neat - the pupil radius and iris radius are parameters. This means you can design an iris, and then at the push of a button it generates shaders using that design for every character you have at once. I just need to get the coordinates for them all into the script. I already have V3, V4, and Jessi coordinates in it. You can add more and it's not hard to figure out. I made a testing shader where you give it an existing texture map and a guess as to what parameters to use. It then renders half with the procedural and half with the image file. You can see where they don't line up and adjust the parameter. Once you dial in the right number, its good forever.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)