Yup. I've tried that. It...sorta works. For a better example of what my problems are, I quickly banged together a tree top like what's illustrated here: https://simonschreibt.de/gat/airborn-trees/ This isn't exactly difficult to pull off. This, coupled with the link you provided, should take me about roughly 10 seconds to…
You'll want to have a look at this. it outlines how to average the normals so trees and branches will shade better as a whole object instead of as indvidual planes which is giving you those harsh planar shadows.…