Rotating Circle with a Gap

Balls inside circle: 0 Escaped (events): 0 Spawned: 0 FPS: –

World

Gravity

Rotation speed (rps)

Gap size (deg)

Bounciness

Trail persistence

Particles

Ball radius

Spawn on exit

Max balls

Ball–ball collisions

Canvas: click to add a ball. Space pause/resume.

Tones play on spawn, bounce (wall or ball), and on exit through the gap.

Web Audio + Canvas. Equal-mass elastic collisions.