NAME
halftone - simple halftone pattern of moving mass
points
SYNOPSIS
halftone [-display
host:display.screen] [-visual visual] [-window]
[-root] [-count number] [-spacing number]
[-sizefactor number] [-delay number] [-minmass
number] [-maxmass number] [-minspeed number]
[-maxspeed number]
DESCRIPTION
Draws the gravity force in each point on the
screen seen through a halftone dot pattern. The gravity force is
calculated from a set of moving mass points. View it from a
distance for best effect.
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.
- -count number
- How many mass points to move around. Default: 10
- -spacing number
- Distance between each halftone dot. Default: 14
- -sizefactor number
- How big each halftone dot should be drawn compared to the
spacing value. Default: 1.5
- -minmass number
- The minimum mass of each mass point. Default: 0.001
- -maxmass number
- The maximum mass of each mass point. Default: 0.02
- -minspeed number
- The minimum speed of each mass point. Default: 0.001
- -maxspeed number
- The maximum speed of each mass point. Default: 0.02
-delay number Per-frame delay, in microseconds.
Default: 10000
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 © 2002 by Peter Jaric. 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
Peter Jaric