hydrostat - Wiggly squid or jellyfish with many tentacles.
Contents
Copyright
Copyright © 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.
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.
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.
XSCREENSAVER_WINDOW
The window ID to use with --root.
Name
hydrostat - Wiggly squid or jellyfish with many tentacles.
Options
--visualvisual
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.
--window-idnumber
Draw on the specified window.
--delaynumber
Per-frame delay, in microseconds. Default: 20000 (0.02 seconds).
--speednumber
Animation speed. 2.0 means twice as fast, 0.5 means half as fast.
--countnumber
Number of squid. 1 - 100. Default: 10.
--head-radiusnumber
Head size. 10 - 100. Default: 60.
--tentaclesnumber
Number of tentacles. 3 - 100. Default: 40.
--thicknessnumber
Thickness of tentacles. 3 - 40. Default: 18.
--lengthnumber
Length of tentacles. 10 - 150. Default: 70.
--gravitynumber
Strength of gravity. 0 - 10.0. Default: 0.5.
--currentnumber
Strength of current. 0.0 - 10.0. Default: 0.25.
--frictionnumber
Coefficient of friction. 0.0 - 0.1. Default: 0.02.
--pulse|--no-pulse
Whether the squid should pulse. Default true.
--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.
See Also
X(1), xscreensaver(1)
Synopsis
hydrostat [--display host:display.screen] [--visual visual] [--window] [--root] [--window-id number]
[--delay number] [--speed number] [--count number] [--head-radius number] [--tentacles number]
[--thickness number] [--length number] [--gravity number] [--current number] [--friction number] [--no-
pulse] [--wireframe] [--fps]
