MetaBalls.

MetaBalls [-display host:display.screen] [-visual visual] [-window] [-root] [-ncolors number] [-count number] [-delay number] [-cycles number] [-radius number] [-delta number]

This hack draws 2D metaballs to the screen by calculating the sum of the colors of all metaballs covering a pixel. Ported from the demo effects collection (http://demo-effects.sourceforge.net)

-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.

-ncolors number

Number of Colors. Default: 256.

-count number

Number of MetaBalls. 2 - 255. Default: 10.

-delay number

Per-frame delay, in microseconds. Default: 5000 (0.01 seconds.).

-cycles number

Duration. 100 - 3000. Default: 1000.

-radius number

MetaBall Radius. 2 - 100. Default: 100.

-delta number

MetaBall Movement. 1 - 20. Default: 3.

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.

X(1), xscreensaver(1)

Copyright © 2002-2003 by W.P. van Paassen. 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.

W.P. van Paassen