How do you make a material that rotates around a focal point, like a pie chart?
Try this node setup. You can write #frame in the Value node field to make it keep up with the current frame (when animating): That's just the basics of the "waves" converging at the center ...
Cycles baking not working
You need to put the plane above the object. The ray will go in the opposite direction of the plane normal, if it doesn't hit any surface, it won't bake anything:
How do you bake texture maps for a material with mixed shaders?
If it's 2 Principled BSDF shaders, you can simply mix the inputs instead of the 2 shaders and have only one shader instead of 2. For example if you have something like this: Instead of mixing the 2 ...
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