NAME¶

alienbeacon - screen saver.

SYNOPSIS¶

alienbeacon [--display host:display.screen] [--visual visual] [--window] [--root] [--delay number] [--speed number] [--scale number] [--fps]

DESCRIPTION¶

Our investigation of the signal from the planet's surface brought us to what seems to be an alien beacon. Based on the rock formation around the beacon, it was probably left here millions of years ago.

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).

--speed number

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

--scale number

Frame buffer resolution. 0.5 means halve the resolution for better performance but lower quality output. Default 1.0, full quality.

--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.

XSCREENSAVER_WINDOW

The window ID to use with --root.

SEE ALSO¶

X(1), xscreensaver(1), https://www.shadertoy.com/view/ld2SzK

COPYRIGHT¶

Copyright © 2014 by Otavio Good. 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¶

Otavio Good.