Very cool! It's like shadertoy for canvas. The 3rd example I got in the slideshow was this one, which struck me immediately because of the greek letter variable names... awesome! https://www.dwitter.net/d/855
I have been working on Glitch for a while. Not forcefully limited to short tweet-size tunes, it makes generative music from simple chiptunes [1] to something more advanced [2].
I would be happy to answer any questions, if you are interested in!
I remember having seen this a while ago and having been unable to find it since. Thanks for posting this, its always really cool to see what can be done in such a little amount of space.
The "freezing" is when the audio track is still taking time to load. The dweets themselves load in an instant. Yeah, FPS will unfortunately be an issue on slower devices :(
Worth visiting the "top" list: https://www.dwitter.net/top