wormhole - Man Page

animation of flying through a wormhole

Examples (TL;DR)


wormhole [--display host:display.screen] [--window] [--visual visual] [--root] [--window-id number] [--stars n] [--delay usecs] [--zspeed n] [--fps]


The wormhole program shows an animation of flying through a tunnel surrounded by streaks of light.


wormhole accepts the following options:


Draw on a newly-created window.  This is the default.


Draw on the root window.

--window-id number

Draw on the specified window.


Make all the rocks the same color.


Install a private colormap for the window.

--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.

--stars integer

Number of stars to create every animation loop.

--zspeed integer

Speed light streaks fly by.

--delay microseconds

Number of microseconds to delay between each frame.  Default 10000, meaning about 1/100th second.  Compare and contrast with --zspeed, above.


Display the current frame rate and CPU load.



to get the default host and display number.


to get the name of a resource file that overrides the global resources stored in the RESOURCE_MANAGER property.


The window ID to use with --root.

See Also

X(1), xscreensaver(1)


Jon Rafkind <jon@rafkind.com>


6.08-2.fc40 (27-Jan-2024) X Version 11 XScreenSaver manual