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Advent of Code day 15 

So is hitting that difficulty ramp-up I've heard about, I think. I'm still on Day 15, and my little robot has found the goal (I got lucky, it was against a wall so my simple wall-following algo found it), but it can't get back out because it's seeing walls where there aren't any 馃

Top map is the walls it found during search, bottom map is the walls it found trying to return to the starting point. Hrmph.

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Advent of Code day 15 

Update: figuring out why my pathfinding code doesn't seem to be very efficiently going toward the goal...turns out I wrote my cost function backwards so that it's running _away_ from the goal as efficiently as possible :blobfacepalm:

Advent of Code day 15 

Still broken, but less broken, and my maps are getting fancier!

Advent of Code day 15 

And we made it! My completed shortest-path map, Now with 100% more emoji!

Advent of Code day 15 

Here's a video of it searching and then finding the path. Pretty fun to watch, and very gratifying to see my code actually do what it's supposed to! diode.zone/static/webseed/71cc

re: Advent of Code day 15 

@cincodenada That looks kind of fun, but I definitely don't have the spoons for that鈥

re: Advent of Code day 15 

@kirby Super fair, it was a _lot_. Hacked on it over a couple days, with a lot of stepping away for a bit. And lordy is the code a mess 馃檭

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