.TH XScreenSaver 1 "" "X Version 11"
.SH NAME
hydrostat - Wiggly squid or jellyfish with many tentacles.
.SH SYNOPSIS
.B hydrostat
[\-display \fIhost:display.screen\fP]
[\-visual \fIvisual\fP]
[\-window]
[\-root]
[\-delay \fInumber\fP]
[\-speed \fInumber\fP]
[\-count \fInumber\fP]
[\-head-radius \fInumber\fP]
[\-tentacles \fInumber\fP]
[\-thickness \fInumber\fP]
[\-length \fInumber\fP]
[\-gravity \fInumber\fP]
[\-current \fInumber\fP]
[\-friction \fInumber\fP]
[\-no-pulse]
[\-wireframe]
[\-fps]
.SH DESCRIPTION
Wiggly squid or jellyfish with many tentacles.  A muscular hydrostat
is a biological structure used to move its host about, consisting of
muscles with no skeletal support. It performs its hydraulic movement
without fluid in a separate compartment, as in a hydrostatic
skeleton.
.SH OPTIONS
.TP 8
.B \-visual \fIvisual\fP
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.
.TP 8
.B \-window
Draw on a newly-created window.  This is the default.
.TP 8
.B \-root
Draw on the root window.
.TP 8
.B \-delay \fInumber\fP
Per-frame delay, in microseconds.  Default: 20000 (0.02 seconds).
.TP 8
.B \-speed \fInumber\fP
Animation speed.  2.0 means twice as fast, 0.5 means half as fast.
.TP 8
.B \-count \fInumber\fP
Number of squid.  1 - 100.  Default: 10.
.TP 8
.B \-head-radius \fInumber\fP
Head size.  10 - 100.  Default: 60.
.TP 8
.B \-tentacles \fInumber\fP
Number of tentacles.  3 - 100.  Default: 40.
.TP 8
.B \-thickness \fInumber\fP
Thickness of tentacles.  3 - 40.  Default: 18.
.TP 8
.B \-length \fInumber\fP
Length of tentacles.  10 - 150.  Default: 70.
.TP 8
.B \-gravity \fInumber\fP
Strength of gravity.  0 - 10.0.  Default: 0.5.
.TP 8
.B \-current \fInumber\fP
Strength of current.  0.0 - 10.0.  Default: 0.25.
.TP 8
.B \-friction \fInumber\fP
Coefficient of friction.  0.0 - 0.1.  Default: 0.02.
.TP 8
.B \-pulse | \-no-pulse
Whether the squid should pulse. Default true.
.TP 8
.B \-wireframe | \-no-wireframe
Render in wireframe instead of solid.
.TP 8
.B \-fps | \-no-fps
Whether to show a frames-per-second display at the bottom of the screen.
.SH ENVIRONMENT
.PP
.TP 8
.B DISPLAY
to get the default host and display number.
.TP 8
.B XENVIRONMENT
to get the name of a resource file that overrides the global resources
stored in the RESOURCE_MANAGER property.
.SH SEE ALSO
.BR X (1),
.BR xscreensaver (1)

.BR http://soulwire.co.uk/experiments/muscular-hydrostats/
.SH COPYRIGHT
Copyright \(co 2016 by Justin Windle and 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.
.SH AUTHOR
Justin Windle and Jamie Zawinski.