raverhoop(6x) on Linux
The text 81424528fc6b, as Debian 10 (Buster) shipped it.
Simulates an LED hula hoop in a dark room.
Flags it lists
-
-delay -
-fps -
-light-speed -
-lights -
-ncolors -
-no-fps -
-no-spin -
-no-wander -
-root -
-speed -
-spin -
-sustain -
-visual -
-wander -
-window