This game is awesome! The puzzle mechanics are really creative, but the thing that stood out to me the most is how fluid and nice the movement felt.
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Thank you! I spent some time before the jam fighting with collision resolution code in a game for TIC-80, and I used the algorithm from there with a couple of tweaks. Here’s the repo for that game (the README list some of the resources I went through): https://github.com/desttinghim/tic80platformer
The most useful resource for me in the end was https://jonathanwhiting.com/tutorial/collision/