N-body problems are the gateway drug into numerical physics. Writing one from sc... | Hacker News

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kristel100 on May 13, 2025 | parent | context | favorite | on: Writing N-body gravity simulations code in Python

N-body problems are the gateway drug into numerical physics. Writing one from scratch is a rite of passage. Bonus points if you hit that sweet spot where performance doesn’t completely tank.

tanepiper on May 13, 2025 [–]

I built https://teskooano.space/ - so far I've not seen any big performance issues, and it's multiple bodies running happily at 120fps.

Now you're making me worry I'm not "physicsing" hard enough

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