xscreensaver(1)

NAME

goop - squishy transparent oil and bubble screenhack

SYNOPSIS

goop  [-display  host:display.screen]  [-foreground color]
[-background color] [-window] [-root]  [-mono]  [-install]
[-visual visual] [-transparent] [-non-transparent] [-addi
tive] [-subtractive] [-xor] [-no-xor]

DESCRIPTION

The goop program draws a simulation of bubbles in layers
of overlapping multicolored translucent fluid.

OPTIONS

goop accepts the following options:

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

default.

-root Draw on the root window.

-mono If on a color display, pretend we're on a

monochrome display.

-install

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.

-count integer

How many bubbles to draw per layer. Default: ran
dom.

-layers integer

How many layers to draw. Default: random, based
on screen depth.

-delay microseconds

How much of a delay should be introduced between
steps of the animation. Default 100000, or about
1/10th second.

-transparent

If -layers is greater than 1, then each layer will be drawn in one color, and when they overlap, the
colors will be mixed. This is the default.

-non-transparent

Turns off -transparent.

-additive

If -transparent is specified, then this option means that the colors will be mixed using an addi
tive color model, as if the blobs were projected
light. This is the default.

-subtractive

If -transparent is specified, then this option means that the colors will be mixed using a
subtractive color model, as if the blobs were
translucent filters.

-xor Draw with xor instead of the other color tricks.

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_MAN
AGER property.

SEE ALSO

X(1), xscreensaver(1)

COPYRIGHT

Copyright © 1997 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.

AUTHOR

Jamie Zawinski <jwz@jwz.org>, 11-Jun-97.

X Version 11 11-Jun-97 XScreenSaver(1)