XBALL(6)

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.

    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.