fluidballs(6x) on Linux
The text f00d3747b5fc, as Debian 12 (Bookworm) shipped it.
the physics of bouncing balls.
Flags it lists
-
--count -
--delay -
--elasticity -
--fps -
--gravity -
--no-nonrandom -
--no-shake -
--nonrandom -
--root -
--shake -
--size -
--visual -
--wind -
--window -
--window-id