Very interesting idea but it was very hard to wrap my head around the dashing making a wall behind you. Felt a big clunky but a fun challenge.
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I like that idea a lot more, and I think it would work if I added controller support. I wanted the player to be able to dash in any way they wanted to without restricting them to the 8 ways of movement using WASD, but I agree that this caused more of a disconnect on the movement mechanics. Continuous wall idea sounds really cool too, maybe I could have added power ups on the playing field that recharge wall length, and given the player an option to spawn walls without dashing.
I really appreciate the input!