First off, this is cool and well done. I did notice an oddity, but the fact that we're all complaining about oddities and edge cases (pardon the pun) shows how

First off, this is cool and well done. I did notice an oddity, but the fact that we're all complaining about oddities and edge cases (pardon the pun) shows how well done it is. In any case, the wonky thing I noticed is that it effectively shows shadows on the edges of forests, but not on the forests themselves (at least in my area).