JavaScript Perlin flames in 1k

This is a really simple algorithm that's been around forever in the demoscene. You can do fun things like make an arbitrary shape be the source of the flames. Here's a nice article from (the long missed) flipcode on how the effect works: http://www.flipcode.com/archives/The_Art_of_Demomaking-Issue...

I'd love to see more examples of math that make for cool visualizations/procedurally generated content.

Here is an article on Wikipedia about utilized algorithm:

http://en.wikipedia.org/wiki/Perlin_noise

doesn't work for me (linux chromium 7)

Works on Firefox 4b7.