Particle synthesizers might be a better name for these noise-maker programs. So far there are only two ...

Green tracers rule the Chaser sphere. Yellow follows green where ever it goes. Then red follows yellow, pink follows red, cyan follows pink ... etc.
All the particles make sounds, up to 500 ! Dozens of sliders and buttons control the parameters. Sometimes it sounds like water, other times like an angry bee's nest.

Chaser.zip 14653 bytes

Ripple is a simulation of particles bouncing around inside of a circular cage. The sound starts out as low-end hum and gradualy builds up to a harmonius roar.

Fun to watch.

Ripple.zip 2014 bytes

Source code (asm) zip 6272 bytes