cityflow - Man Page

waves of boxes.


cityflow [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number] [-count number] [-wave-speed number] [-wave-radius number] [-waves number] [-skew number] [-wireframe] [-fps]


Waves move across a sea of boxes. The city swells. The walls are closing in.


-visual visual

Specify which visual to use.  Legal values are the name of a visual class, or the id number (decimal or hex) of a specific visual.


Draw on a newly-created window.  This is the default.


Draw on the root window.

-delay number

Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds).

-count number

Boxes. 50 - 4000.  Default: 800.

-wave-speed number

Wave speed.  5 - 150.  Default: 25.

-wave-radius number

Wave overlap.  5 - 512.  Default: 256.

-waves number

Wave complexity.  1 - 20.  Default: 6.

-skew number

Skew.  0 - 45. Default: 12.

-wireframe | -no-wireframe

Render in wireframe instead of solid.

-fps | -no-fps

Whether to show a frames-per-second display at the bottom of the screen.



to get the default host and display number.


to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.

See Also

X(1), xscreensaver(1)


Jamie Zawinski.


6.04-1.fc37.1 (23-Jul-2022) X Version 11 XScreenSaver manual