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Re:Ask HN: What is your most impressive hackathon project? by ollerac on Thursday May 25, 2017 @12:12PM (#14418201)
https://swarmation.com/

Our team of 3 won the first Node Knockout by a slim margin with this realtime, multiplayer, pixel formation game.

Edit: Thank you for your positive feedback! Send me suggestions and ideas if you have any.

Tip: press spacebar.

Re:Ask HN: What is your most impressive hackathon project? by eeZah7Ux on Thursday May 25, 2017 @01:13PM (#14418614)
Most of the time nobody gets the shape right. Could it be lag or server issues?
Re:Ask HN: What is your most impressive hackathon project? by ollerac on Thursday May 25, 2017 @01:25PM (#14418684)
Sometimes people move around at the last second and that can confuse things. But, ya, I've noticed some bugginess with the formations too. I'll look into it.

I didn't engineer the back-end, that was all @steadicat, but the way I think it works is if 3 or more clients confirm a formation they're a part of as correct, it's marked as correct. That way the server doesn't have to check every pixel on the board. But it can cause some issues if some of the clients are laggy.

Re:Ask HN: What is your most impressive hackathon project? by KennyCason on Thursday May 25, 2017 @12:27PM (#14418298)
Whoah, I had to close this. This is too fun. But I bookmarked it :)
Re:Ask HN: What is your most impressive hackathon project? by fudged71 on Thursday May 25, 2017 @12:41PM (#14418389)
This is so clever. Kudos!!! Like a flash mob, everyone trying to follow the directions
Re:Ask HN: What is your most impressive hackathon project? by coppolaemilio on Thursday May 25, 2017 @12:16PM (#14418223)
This game is super fun! congrats
Re:Ask HN: What is your most impressive hackathon project? by landmark3 on Thursday May 25, 2017 @12:16PM (#14418226)
addictive :)