Andy Sloane

Most-linked posts?

1. Donut math: how donut.c works (2011)
   18 people · 19 mentions · first linked 2018-07-13
2. Donut math: How donut.c works
   6 people · 6 mentions · first linked 2012-10-01
3. Fast indoor 2D localization using ceiling lights
   4 people · 4 mentions · first linked 2021-01-25
4. Playing Fasttracker2 .XM files in JavaScript
   3 people · 3 mentions · first linked 2015-11-09
5. Playing Fasttracker 2 .XM files in JavaScript
   2 people · 4 mentions · first linked 2018-04-05
6. Embellished Donut in Obfucsated C
   2 people · 3 mentions · first linked 2011-07-09
7. 3D rendering on an Arduboy
   2 people · 2 mentions · first linked 2017-02-02
8. /2006/09/15/obfuscated-c-donut.html
   2 people · 2 mentions · first linked 2023-08-29
9. How the Winning Tron Bot Works
   2 people · 2 mentions · first linked 2011-08-02
10. ASCII animated donut in obfuscated C
    2 people · 2 mentions · first linked 2011-07-09

What Hacker News says?

1. kimburgess · 2020-10-21

   Similarly: http://www.a1k0n.net/2011/07/20/donut-math.html

   Comment linking /2011/07/20/donut-math.html

   on “This page is a truly naked, brutalist HTML quine”
2. a1k0n · 2025-12-20

   Submitted Pure Silicon Demo Coding: No CPU, No Memory, Just 4k Gates as a story · 415 points

   HN discussion
3. agumonkey · 2021-10-11

   next, adapt https://www.a1k0n.net/2011/07/20/donut-math.html

   Comment linking /2011/07/20/donut-math.html

   on “I keep making things out of checkboxes”
4. emartinelli · 2015-10-21

   Submitted Yahoo Logo ASCII Animation in 462 bytes of C (2011) as a story · 247 points

   HN discussion
5. a1k0n · 2015-11-19

   Not a bad chiptune either: http://www.a1k0n.net/code/jsxm/#Ghidorah_-_Toilet_story_5.xm

   Comment linking /code/jsxm/

   on “ARRIS Cable Modem Has a Backdoor in the Backdoor”
6. dmuino · 2011-07-20

   Submitted Donut math - How donut.c works as a story · 237 points

   HN discussion
7. _kb · 2025-08-03

   That's a bit of a hat tip to donut.c: https://www.a1k0n.net/2011/07/20/donut-math.html

   Comment linking /2011/07/20/donut-math.html

   on “Twenty Eighth International Obfuscated C Code Contest”
8. geekzgalore · 2011-07-08

   Submitted Interesting C code as a story · 225 points

   HN discussion
9. kylecazar · 2026-09-07

   The quintessential example is donut.c. I was amazed when I first came across it. https://www.a1k0n.net/2006/09/15/obfuscated-c-donut.html

   Comment linking /2006/09/15/obfuscated-c-donut.html

   on “Making a Python interpreter in 1024 bytes”
10. a1k0n · 2018-11-14

    Submitted Fast line-following robots as a story · 207 points

    HN discussion
11. woodrowbarlow · 2019-03-05Recommends

    you may enjoy this article, where the author of a really clever bit of obfuscated C breaks down everything the code is doing. https://www.a1k0n.net/2011/07/20/donut-math.html

    Comment linking /2011/07/20/donut-math.html

    on “A random dungeon generator in C, small enough to fit on a business card”
12. Peroni · 2012-10-01

    Submitted Donut math: How donut.c works as a story · 204 points

    HN discussion
13. kragen · 2022-06-15

    I've written several raytracers and rasterizers that are smaller than 200 lines of C++, though quite likely they're worse pedagogically than Jacco's (slashdotted, but available at https://web.archive.org/web/20220615174927/https://jacco.omp... ) tutorial, and they also don't illustrate useful optimizations. Hopefully, what mine lack in cluefulness and performance they make up in breadth, diversity, and brevity: they…

    Comment linking /2011/07/20/donut-math.html

    on “GPU ray tracing tutorial – 10 articles”
14. a1k0n · 2025-01-12

    Submitted From ASCII to ASIC: Porting donut.c to a tiny slice of silicon as a story · 162 points

    HN discussion
15. a1k0n · 2011-07-09

    Thanks. :) I'm most proud of my IOCCC 2006 winner (the IOCCC organizers announced the winners, but not the actual entries, then disappeared from the planet): http://a1k0n.net/2006/09/20/obfuscated-c-donut-2.html

    Comment linking /2006/09/20/obfuscated-c-donut-2.html

    on “Interesting C code”
16. codexon · 2010-03-04

    Submitted Google AI Challenge: Winner post-mortem and source code as a story · 146 points

    HN discussion
17. huhtenberg · 2011-07-09Recommends

    http://a1k0n.net/2006/09/15/obfuscated-c-donut.html Jesus Christ. I love you, dude. Your site must have the highest awesomeness-per-bit ratio on the Internet :)

    Comment linking /2006/09/15/obfuscated-c-donut.html

    on “Interesting C code”
18. JoachimS · 2015-11-10

    Submitted Playing Fasttracker2 .XM files in JavaScript as a story · 138 points

    HN discussion
19. elwell · 2018-11-15

    Wow, really the best email address spam protection method [0]: _=0;k;main(){while(_<641){for(k=0;"##K#8(38D-##C]L5870.X7\\M_b;90\\" "MC-M/NZGB6Q,I0VGB6a0FbN<VG.6Q\\bNb7^@`X=N@`XQaOVX:^]NX=:Z8PY]B`:>P" "NY8^$#SM):XA"[_/6]-35>>_++%6&1;k++);putchar(k[" _/\\\n,`)('<-"]);}} [0] - bottom of OP's homepage https://www.a1k0n.net/

    Comment linking /

    on “Fast line-following robots”
20. robin_reala · 2021-01-15

    Submitted Donut.c Without a Math Library as a story · 135 points

    HN discussion
21. a1k0n · 2018-11-15

    The canvases are just some javascript code which draw to the 2d context after a requestAnimationFrame(): https://www.a1k0n.net/js/steering.js Sure, that sounds good!

    Comment linking /js/steering.js

    on “Fast line-following robots”
22. shrikant · 2014-01-23

    Submitted Donut math: how donut.c works (2011) as a story · 121 points

    HN discussion
23. a1k0n · 2011-10-02

    Cool. But yours outputs 16-bit signed audio whereas by default /dev/dsp outputs 8kHz 8-bit unsigned audio, so it sounds a little bit different. Also, http://www.bemmu.com/music/index.html beat you to it and http://wurstcaptures.untergrund.net/music/ also does URL-formulas :). (As an aside, bemmu's is creating a 16-bit signed .WAV data from 8-bit signed functions, so it isn't doing it quite right either. Why not just…

    Comment linking /code/audiogen.html

    on “Algorithmic symphonies from one line of code”
24. yongqli · 2011-08-02

    Submitted How the Winning Tron Bot Works as a story · 113 points

    HN discussion
25. nanomonkey · 2024-06-16

    Fast Tracker 2 in javascript: https://www.a1k0n.net/2015/11/09/javascript-ft2-player.html

    Comment linking /2015/11/09/javascript-ft2-player.html

    on “Impulse Tracker source code now available on GitHub”
26. yogsototh · 2011-07-09

    Submitted ASCII animated donut in obfuscated C as a story · 81 points

    HN discussion
27. tvorryn · 2011-12-24

    Haha. It didn't say that before, because he hadn't officially won yet. It's actually been propagated from Tron: http://a1k0n.net/2010/03/04/google-ai-postmortem.html

    Comment linking /2010/03/04/google-ai-postmortem.html

    on “Winner of 2011 Google AI Challenge Describes Released Code”
28. of · 2015-11-19

    Submitted JavaScript XM Player as a story · 65 points

    HN discussion
29. phreeza · 2010-12-02

    His expression of surprise is a reference to the winners post-mortem last round. http://www.a1k0n.net/blah/

    Comment linking /blah/

    on “Lisp developer walks away with Google AI contest”
30. fogus · 2012-02-23

    Submitted Lisp REPL in Vendetta Online as a story · 55 points

    HN discussion

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