cityflow(6x) on Linux
The text 15a793110ddb, as Debian 10 (Buster) shipped it.
waves of boxes.
Flags it lists
-
-count -
-delay -
-fps -
-no-fps -
-no-wireframe -
-root -
-skew -
-visual -
-wave-radius -
-wave-speed -
-waves -
-window -
-wireframe