ballin

Games

terminal physics simulation

SHOW HN2026

ballin

An interactive physics simulator with 1000’s of balls, in your terminal

github.com

#terminal physics simulator#braille rendering#ascii physics#terminal animation

75points
15comments
#889of 4,366 in 2026
Top 21%of 2026 by points

How HN took it

DebatedReal support and real criticism

5 positive, 0 neutral or asking, 0 mixed, 2 critical, out of 7 comments about the project. Thread score +0.26.

Docs: 2 for, 1 againstIdea: 3 for, 0 againstDesign: 0 for, 1 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Braille subcharacter rendering is a clever approach

    From 2 comments
    • The choice of Braille is very clever. I once failed a typography class for using Braille in a final design project that was supposed to create a sequence of images representing a…
      noduerme on HN
    • I didn't realize that, haven't thought about ASCII/ANSI art since the 90s, but the concept of using it for subcharacter animation is clever. Cheers. [edit] Odd question. I have…
      noduerme on HN
  • Prompts shared in PROMPTS.md are a useful learning resource

    From 2 comments
    • Reading your workflow described in PROMPTS.md was insightful. I appreciate how much thought goes into each follow-up, including the manual steps after each invocation.
      nebezb on HN
    • I just wanted to chime in and thank you for sharing your prompts like that! It feels like which prompts people are using (even from developers on the same team) is often opaque.…
      alook on HN
  • Reminds commenters of a classic 1992 demo

    From 2 comments
    • The effect reminds me of the classic Fishtro demo by Future Crew from 1992: https://www.youtube.com/watch?v=yUjRpLn2qWo
      allenu on HN
    • I remember that demo - thanks for the nostalgic flash back!
      catoc on HN

Objections

  • Project is AI-coded and the disclosure should be more prominent

    From 1 comment
    • Thanks for mentioning that this was ai coded but please put it further up in the description. Makes it easier to avoid projects like these. Thanks.
      xyzsparetimexyz on HN
  • Colors are hard to see in some terminals

    From 1 comment
    • The color contrast between the ANSI colors and the terminal backgrounds for some terminals make it so the colors are hard to see.
      minimaxir on HN

Requests

  • Use it as an Omarchy screensaver

    From 1 comment
    • Claude, slopcode me an Omarchy screensaver using this. Make it so!
      mhuffman on HN
  • Build a terminal Plasma Pong

    From 1 comment
    • Now, this makes me think of a thing I never knew I wanted: Plasma Pong, but in the terminal.
      nvader on HN

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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