XBALL(6) XBALL(6)
1/5/93
NAME
xball - bounce colored balls on the screen
SYNOPSIS
xball [ -help -delay delay -gravity percent-gravity -elasticity
percent-elasticity -itemWidth ball-width -itemHeight ball-height
-collide -perpetual -haltSim -demoFile demo-file -rgbTxt rgb.txt-file ]
[XToolkit options]
DESCRIPTION
XBall allows the user to create colored, 3-d shaded balls, or to write
and run demo which create and manipulate the balls in various ways.
Documentation is included on-line via the Help menu and is not
reproduced here.
OPTIONS
Run xball -help for a decription of the command line options
DEMOS
Several demo files are included with the distribution. To run all the
demos, run 'run_demos'.
RESOURCES
Most resources are avaliable for user modification. See the XBall
app-defaults file for a complete listing of widgets,
Following is a list of the most useful resources:
XBall*canvas.width, height
The default width and height of the window in which balls
bounce in.
XBall.delay
The amount to slow the simulation, in case the computer is too
fast. A reasonable range is 0 to 200.
XBall.itemWidth, itemHeight
The default width and height of the balls.
XBall.collide
If true, balls are colliding on startup.
XBall.perpetual
If true, balls are perpetual on startup.
XBall.haltSim
If true, simulation is halted on startup.
XBall.demoFile
Specified the file to run as a demo on startup.
- 1 - Formatted: October 26, 2025
XBALL(6) XBALL(6)
1/5/93
XBall.rgbTxt
Specified the file to load for the colors. The default file
is /usr/lib/X11/app-defaults/rgb.txt
FILES
/usr/lib/X11/rgb.txt
X11 color names and values.
AUTHOR
David Nedde (daven@ivy.wpi.edu).
COPYRIGHT
Copyright 1991, 1993 David Nedde.
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee provided that the above
copyright notice appears in all copies. It is provided "as is"
without express or implied warranty.
- 2 - Formatted: October 26, 2025
