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I believe you should have mentioned the evolutionary algorithm, so that people know why this is on HN. BTW, here's my own retro arcade game: https://fxtentacle

I believe you should have mentioned the evolutionary algorithm, so that people know why this is on HN. BTW, here's my own retro arcade game: https://fxtentacle.itch.io/space-dance https://fxtentacle.itch.io/space-dance

atum47 6y ago
you're right, InvaderZ implements GA to evolve the enemies. source code: https://github.com/victorqribeiro/invaderz https://github.com/victorqribeiro/invaderz
- fxtentacle 6y ago
  From what I understand, the GA is used for the shape, and then the shape determines both where it can be hit and also its movement pattern. https://github.com/victorqribeiro/invaderz/blob/1e4512c336b9be8368b8b6ca476548312532c5c4/js/Invader.js#L26-L33 https://github.com/victorqribeiro/invaderz/blob/1e4512c336b9... My guess would be that the "ideal" invader is fully transparent. Can that happen?
  - atum47 6y ago
    roughly speaking I guess there is a 1/(0,5^16) of that happening. I wrote the code back in 2018. I don't fully remember it. I just decided to share on itchio yesterday.
    - ouid 6y ago
      well if the genetic algorithm is good enough, you might imagine that it was more likely.
      - atum47 6y ago
        after each 7 generations the game creates new enemies and kinda uses elitism to preserve only the very best from the past 7 generations
atum47 6y ago
beautiful game by the way