this heavily based on Canvas Orbital Trails v2
by Jack Rugile
https://codepen.io/jackrugile/pen/aCzHs?editors=0011
useful commands:
yarn run webpack
yarn run webpack-dev-server
TODO:
- sometimes orbs don't die. either figure out why, or kill them after 10 seconds. Usually it's when too many keys are being pressed at once, maybe it's multiple midi events arriving in one packet