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-.TH XScreenSaver 1 "14-Dec-95" "X Version 11"
-.SH NAME
-bubbles \- frying pan / soft drink simulation
-.SH SYNOPSIS
-.B bubbles
-[\-display \fIhost:display.screen\fP] [\-foreground \fIcolor\fP] [\-background \fIcolor\fP] [\-window] [\-root] [\-mono] [\-install] [\-visual \fIvisual\fP] [\-simple] [\-broken] [\-3D] [\-rise|\-drop] [-trails]
-[\-fps]
-.SH DESCRIPTION
-\fIBubbles\fP sprays lots of little random bubbles all over the window which
-then grow until they reach their maximum size and go pop.  The inspiration
-for this was watching little globules of oil on the bottom of a frying pan
-and it also looks a little like bubbles in fizzy soft drink.  The default
-mode uses fancy ray-traced bubbles but there is also a mode which just draws 
-circles in case the default mode is too taxing on your hardware.
-.SH OPTIONS
-Depending on how your
-.I bubbles
-was compiled, it accepts the following options:
-.TP 8
-.B \-foreground
-Colour of circles if \fI\-simple\fP mode is selected.
-.TP 8
-.B \-background
-Colour of window background.
-.TP 8
-.B \-window
-Draw on a newly-created window.  This is the default.
-.TP 8
-.B \-root
-Draw on the root window.
-.TP 8
-.B \-mono 
-If on a color display, pretend we're on a monochrome display.
-.TP 8
-.B \-install
-Install a private colormap for the window.
-.TP 8
-.B \-visual \fIvisual\fP
-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.
-.TP 8
-.B \-delay microseconds
-How much of a delay should be introduced between steps of the animation.
-Default 800, or about 800 microsecond.  Actually, this is the delay between each
-group of 15 new bubbles since such a delay between each step results in a
-very slow animation rate.
-.TP 8
-.B \-nodelay
-Same as \fI\-delay 0\fP.
-.TP 8
-.B \-simple
-Don't use the default fancy pixmap bubbles.  Just draw circles instead.
-This may give more bearable performance if your hardware wasn't made for
-this sort of thing.
-.TP 8
-.B \-broken
-Don't hide bubbles when they pop.  This was a bug during development
-but the results were actually quite attractive.
-.TP 8
-.B \-3D
-Normally, the simulation is done completely in two dimensions.  When a
-bubble swallows up another bubble, the areas of each are added to get
-the area of the resulting bubble.  This option changes the algorithm
-to instead add volume (imagining each to be a sphere in 3D space).  The
-whole thing looks more realistic but I find it attracts attention to
-the flickering of each bubble as they are move and are redrawn.  Your
-mileage may vary.
-.TP 8
-.B \-quiet
-Don't print messages explaining why one or several command line options
-were ignored.  This is disabled by default.
-.TP 8
-.B \-rise | \-drop 
-.TP 8
-.B \-trails
-.TP 8
-.B \-fps
-Display the current frame rate and CPU load.
-.SH NOTES
-If you find the pace of things too slow, remember that there is a delay
-even though you specify no \fI\-delay\fP option.  Try using \fI\-nodelay\fP
-although beware of the effects of irritation of other users if you're on a 
-shared system as you bleed their CPU time away.
-
-Some tools to assist in creation of new bubbles are included in the source
-distribution.  These can either be loaded with the \fI\-file\fP or
-\fI\-directory\fP options (if available) or they can be used in place
-of the distributed default bubble (bubble_default.c).
-You might like to copy these scripts to a permanent location and
-use them.  Read bubbles.README.
-
-Rendered bubbles are not supported on monochrome displays.  I'm not
-convinced that small bubbles, even dithered properly are going to look
-like anything more than a jumble of random dots.
-.SH BUGS
-There is a delay before something appears on the screen when using
-rendered bubbles.  The XPM library seems to take a \fBlong\fP time to make
-pixmaps out of raw data.  This can be irritating on slower systems.
-
-The movement of the bubbles looks jerky if an incomplete set of bubbles
-is used.  
-
-The hide/display algorithm could do with some work to avoid flickering
-when \fI\-nodelay\fP is set.
-.SH ENVIRONMENT
-.PP
-.TP 8
-.B DISPLAY
-to get the default host and display number.
-.TP 8
-.B XENVIRONMENT
-to get the name of a resource file that overrides the global resources
-stored in the RESOURCE_MANAGER property.
-.SH SEE ALSO
-.BR X (1),
-.BR xscreensaver (1)
-.SH DISTRIBUTION POLICY
-This work is Copyright \(co 1995, 1996 by James Macnicol.  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.
-.SH AUTHOR
-James Macnicol <james.macnicol@mailexcite.com>