Provided by: xscreensaver-gl_5.36-1ubuntu1_amd64 
NAME
cityflow - waves of boxes.
SYNOPSIS
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]
DESCRIPTION
Waves move across a sea of boxes. The city swells. The walls are closing in.
OPTIONS
-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.
-window Draw on a newly-created window. This is the default.
-root 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.
ENVIRONMENT
DISPLAY to get the default host and display number.
XENVIRONMENT
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)
COPYRIGHT
Copyright © 2012 by Jamie Zawinski. Permission to use, copy, modify, distribute, and sell this software
and its documentation for any purpose is hereby granted without fee, provided that the above copyright
notice appear in all copies and that both that copyright notice and this permission notice appear in
supporting documentation. No representations are made about the suitability of this software for any
purpose. It is provided "as is" without express or implied warranty.
AUTHOR
Jamie Zawinski.