I cannot believe how little code this is for the effect it achieves. Also how fast it runs in a browser. shadertoy.com/view/Ms2SD1
The source to Hackpad was finally released: github.com/dropbox/hackpad . We use Hackpad a ton at Stripe; it's the first wiki I've really liked.
If anyone would like to get paid to work on their open source project at Stripe for a few months, let us know: stripe.com/blog/stripe-op…