From tutorial 21b by dude837
https://www.youtube.com/watch?v=COl3ft1PPNU
What’s different?
There was a problem with the spheres not returning to the resting position. They were constantly expanded outward. By removing the frame rate trigger from qmetro, and triggering only when audio data is received, the response was improved. You can also set signal amplitude going into the bonk~ object.
Download
https://github.com/tkzic/max-projects
Folder: physics
Project: bumper-phsyics
External objects: bonk~ from: http://vud.org/max/