Interesting thread I suppose, although I personally disagree about 4:30 being the position of the sun. It doesn't seem any lower than 3:00 to me, possibly even slightly above that. Look at the river graphics for example.
Depends if you're looking at opengfx or original ttd graphics
Original is lit from SE mostly, except where copy-pasted-flip has been used. Original trains and road vehicles appear to be lit 'however looks best'.
Lots of FISH is lit wrong, because I made a lighting mistake. I've been slowly and painfully correcting it, which makes things look less muddy.
TTD-style sprites should be nicely lit from SE, and quite high contrast, it looks better. V453000 could probably write an essay on that
So, sun comes from the right-ish direction, got it!
I was wondering if FISH was lighted funny, it seemed that some ships (specifically the large ferry) had light coming from almost directly North. I just attributed it to several people drawing sprites, making some look a little different. Maybe that's what threw me off!
Nah, just kidding. They still look good though, easily forgettable mistakes.
Anyway, the light on my sprites isn't too far off I guess, so won't be a huge amount of work to fix, just slightly annoying. Once again, I'll chalk it up to a learning experience and build from there. Everyone's comments/advice is much appreciated!
PS: I added the curves:
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