gravitywell - Man Page

gravitywell [--display host:display.screen] [--visual visual] [--window] [--root] [--window-id number] [--delay number] [--speed number] [--resolution number] [--grid-size number] [--count number]

Massive objects distort space in a two dimensional universe.

--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.

--window-id number

Draw on the specified window.

--delay number

Per-frame delay, in microseconds.  Default: 30000 (0.03 seconds).

--speed number

Animation speed. 2.0 means twice as fast, 0.5 means half as fast.

--resolution number

Density of the underlying universe. Default: 1.0.

--grid-size number

Grid Size. Smaller values are more dense. Default: 1.0.

--count number

Number of stars.  Default: 15.

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.

X(1), xscreensaver(1)

Copyright © 2019 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.

Jamie Zawinski.