4 ms·

Buddhabrot Fractal in Canvas / CoffeeScript (with annotated source)

31 points by jashkenas 16y ago

jashkenas 16y ago
Here's the annotated source code: http://jashkenas.s3.amazonaws.com/misc/buddhabrot/docs/buddhabrot.html http://jashkenas.s3.amazonaws.com/misc/buddhabrot/docs/buddh... It was mentioned on a Changelog interview earlier today, so I figured it would be good to put up: http://thechangelog.com/post/849754840/episode-0-2-9-coffeescript-with-jeremy-ashkenas http://thechangelog.com/post/849754840/episode-0-2-9-coffees...
jaen 16y ago
needs web workers for some multicore sweetness!
- jashkenas 16y ago
  That would be fantastic. You can't touch the DOM (or the canvas) through a webworker, so you'd have to serialize your list of exposure updates, and pass them around between the cores somehow...
  - jaen 16y ago
    Yeah, adding shared memory byte arrays to web workers would be really great for data-intensive tasks such as this. Anyone up for massaging the spec group? ;)
    - tjarratt 16y ago
      I'm sure the spec group would love a massage.
mrkurt 16y ago
As cool as I think CoffeeScript is, the annotated source examples are really my favorite part of the language.
snorkel 16y ago
Well that was a fun way to crash my browser.
- zokier 16y ago
  Just give it some time. After approx 5mins my firefox came back to life. ...yeah, its slow. And Firefox really needs to get a multitasking scheduler or something
  - jashkenas 16y ago
    Or try it in Chrome, and be amazed by just how different it feels -- not just to have V8, but to have it in a separate process.
w1ntermute 16y ago
Original Usenet post by Daniel Green: https://groups.google.com/group/sci.fractals/msg/b891a40bc12b7a4d https://groups.google.com/group/sci.fractals/msg/b891a40bc12...
ggrot 16y ago
If you like Buddhabrot, a friend of mine used MapReduce to create a high-res image of Buddhabrot's cousin: Nebulabrot. Kinda fun. How it was done: http://scienceblogs.com/goodmath/2008/01/databases_are_hammers_mapreduc.php http://scienceblogs.com/goodmath/2008/01/databases_are_hamme... Images: http://www.danvk.org/wp/2007-04-06/nebulabrot/ http://www.danvk.org/wp/2007-04-06/nebulabrot/
Groxx 16y ago
CoffeeScript's creators / users (which is this one?) have been a source for some of the best code annotations I've ever seen. Here's hoping they keep up the epic work!
- jashkenas 16y ago
  There's now a little family of quick and dirty documentation generators, a-la Docco (the program used here): Docco (CoffeeScript) http://jashkenas.github.com/docco/ http://jashkenas.github.com/docco/ Rocco (Ruby) http://rtomayko.github.com/rocco/ http://rtomayko.github.com/rocco/ Pycco (Python) http://fitzgen.github.com/pycco/ http://fitzgen.github.com/pycco/ Schocco (POSIX Shell) http://rtomayko.github.com/shocco/ http://rtomayko.github.com/shocco/ Lo-fi literate programming for the rest of us...

31 points by jashkenas 16y ago

Here's the annotated source code: http://jashkenas.s3.amazonaws.com/misc/buddhabrot/docs/buddhabrot.html http://jashkenas.s3.amazonaws.com/misc/buddhabrot/docs/buddh... It was mentioned on a Changelog interview earlier today, so I figured it would be good to put up: http://thechangelog.com/post/849754840/episode-0-2-9-coffeescript-with-jeremy-ashkenas http://thechangelog.com/post/849754840/episode-0-2-9-coffees...

jaen 16y ago

needs web workers for some multicore sweetness!

jashkenas 16y ago
That would be fantastic. You can't touch the DOM (or the canvas) through a webworker, so you'd have to serialize your list of exposure updates, and pass them around between the cores somehow...
- jaen 16y ago
  Yeah, adding shared memory byte arrays to web workers would be really great for data-intensive tasks such as this. Anyone up for massaging the spec group? ;)
  - tjarratt 16y ago
    I'm sure the spec group would love a massage.

mrkurt 16y ago

As cool as I think CoffeeScript is, the annotated source examples are really my favorite part of the language.

snorkel 16y ago

Well that was a fun way to crash my browser.

zokier 16y ago
Just give it some time. After approx 5mins my firefox came back to life. ...yeah, its slow. And Firefox really needs to get a multitasking scheduler or something
- jashkenas 16y ago
  Or try it in Chrome, and be amazed by just how different it feels -- not just to have V8, but to have it in a separate process.

w1ntermute 16y ago

Original Usenet post by Daniel Green: https://groups.google.com/group/sci.fractals/msg/b891a40bc12b7a4d https://groups.google.com/group/sci.fractals/msg/b891a40bc12...

ggrot 16y ago

If you like Buddhabrot, a friend of mine used MapReduce to create a high-res image of Buddhabrot's cousin: Nebulabrot. Kinda fun. How it was done: http://scienceblogs.com/goodmath/2008/01/databases_are_hammers_mapreduc.php http://scienceblogs.com/goodmath/2008/01/databases_are_hamme... Images: http://www.danvk.org/wp/2007-04-06/nebulabrot/ http://www.danvk.org/wp/2007-04-06/nebulabrot/

Groxx 16y ago

CoffeeScript's creators / users (which is this one?) have been a source for some of the best code annotations I've ever seen. Here's hoping they keep up the epic work!

jashkenas 16y ago
There's now a little family of quick and dirty documentation generators, a-la Docco (the program used here): Docco (CoffeeScript) http://jashkenas.github.com/docco/ http://jashkenas.github.com/docco/ Rocco (Ruby) http://rtomayko.github.com/rocco/ http://rtomayko.github.com/rocco/ Pycco (Python) http://fitzgen.github.com/pycco/ http://fitzgen.github.com/pycco/ Schocco (POSIX Shell) http://rtomayko.github.com/shocco/ http://rtomayko.github.com/shocco/ Lo-fi literate programming for the rest of us...