The tool is designed to be used with Akai LPD8 Midi controller, but in can be used (to some extent) via keyboard.
Demo: https://audiov.herokuapp.com/
1 = Toggle background
2 = Toggle bars
3 = Toggle particles
4 = Toggle automatic radius change
5 = Add smoke effect
6 = Toggle Chilicorn
7 = Bounce effect
A = Colorscheme 1
B = Colorscheme 2
C = Colorscheme 3
D = Colorscheme 4
E = Colorscheme 5
H = Toggle gui
MIDI controller input is implemented with Web MIDI
Smoke videos from Video Copilot