I built an interactive 3D three-body problem simulator in the browser
Details
- External ID
- 47372020
- Source
- HN
- Company
- —
- Product
- I built an interactive 3D three-body problem simulator in the browser
- Website domain
- github.io
- Launched
- March 14, 2026
- Cohort
- —
- Upvotes
- 60
- Upvotes percentile
- 0.8548585485854858
- Tags
- —
- Fetched at
- Sept. 7, 2026, 9:26 p.m.
- Updated at
- Sept. 7, 2026, 9:26 p.m.
Enrichment
- Theme
- creative coding and visual experiments
- Vertical
- Horizontal
- Function
- Dev tools
- Audience
- Developer
- AI stance
- Not AI
- Project type
- Hobby / open-source project
- Normalized one-liner
- interactive 3d physics simulator
- Manually corrected
- False
Could you build this?
Yes An interactive 3D three-body problem simulator can be built straightforwardly in a browser using Three.js or Babylon.js paired with Runge-Kutta numerical integration algorithms, which LLMs generate accurately.
Discussion
20 comments analyzed.
Competitors mentioned: trisolarchaos.com, solgrbit.d9ng.co.kr
Concerns raised: UI covers more than half screen on mobile, Bodies frequently yeet/fly off to infinity unexpectedly, Euler solver doesn't handle misbehaved equations well, Account posts LLM-generated comments
Feature requests: Hide button for UI, WebXR bookmarklet support, Tutorial on building three-body simulators from scratch with threejs
Competitors
Other products that read as similar to this one — 709 launches clear the similarity bar, closest 8 shown.
Attention rank: #114 of 710 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).
Launched 136 days after the earliest competitor.
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- threejs-particle-fluids · github · 2026-09-25 · 175 upvotes · similarity 0.55
- kite3d · github · 2026-09-10 · 14 upvotes · similarity 0.55
- An interactive physics simulator with 1000’s of balls, in your terminal · hn · 2026-01-19 · 75 upvotes · similarity 0.55
- A CSS 3D Engine (no WebGL) · hn · 2026-06-01 · 80 upvotes · similarity 0.55
- electromagnetism · github · 2026-09-28 · 48 upvotes · similarity 0.54
- CTR-3D · github · 2026-09-16 · 7 upvotes · similarity 0.54
Other launches for this product
- No other launches for this product.
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