GLSCHOOL(6X) - Linux man page online | Games
A 3D schooling simulation.
glschool(6x) XScreenSaver manual glschool(6x)
X Version 11 5.36 (10-Oct-2016) glschool(6x)
NAMEglschool - a 3D schooling simulation
SYNOPSISglschool [-display host:display.screen] [-visual visual] [-window] [-root] [-wireframe] [-fps] [-delay number] [-nfish number] [-maxvel number] [-minvel number] [-acclimit num‐ ber] [-avoidfact number] [-matchfact number] [-centerfact number] [-targetfact number] [-minradius number] [-momentum number] [-distexp number] [-goalchgf number] [-fog] [-draw‐ goal] [-drawbbox]
DESCRIPTIONUses Craig Reynolds Boids algorithm to simulate a 3d school of fish. See <http://www.red3d.com/cwr/boids> for a description of the algorithm and the original paper. This is a lightly modified version of the algorithm that supports goal attraction. Many different behaviors are possible by tweaking the parameters. No sanity checking is performed on the command line params, so if you want to use negative accelerations or min‐ imum velocity that is larger than maximum velocity or that sort of thing, the simulation will try to digest it. It looks best with the highest number of fish that will give you an FPS of > 25 or so.
OPTIONS-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. -delay number Per-frame delay, in microseconds. Default: 20000 (0.020 seconds.). -wireframe | -no-wireframe Render in wireframe instead of solid. -fps Display the current frame rate, CPU load, and polygon count. -fog | -no-fog Whether to show foggy (cloudy) water. -drawgoal | -no-drawgoal Whether to show the school's attraction goal. -drawbbox | -no-drawbbox Whether to show the bounding box. -fog | -no-fog Whether to show foggy (cloudy) water. -nfish number Number of fish. Defaults to 100 -acclimit number Acceleration limit. Defaults to 8.0 -minvel number Minimum velocity. Defaults to 1.0 -maxvel number Minimum velocity. Defaults to 7.0 -goalchgf number Goal change frequency. Defaults to 50 (frames) -avoidfact number Avoidance acceleration factor. Defaults to 1.5 -matchfact number Match avg velocity acceleration factor. Defaults to 0.15 -centerfact number School centering acceleration factor. Defaults to 0.1 -targetfact number Target attraction acceleration factor. Defaults to 80 -distexp number Distance weighting exponent. Defaults to 2.2 -momentum number Momentum. Defaults to 0.9
ENVIRONMENTDISPLAY 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.
SEE ALSOX(1), xscreensaver(1)
COPYRIGHTCopyright © 2005-2006 by David C. Lambert. 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 repre‐ sentations are made about the suitability of this software for any purpose. It is pro‐ vided "as is" without express or implied warranty.
AUTHORDavid C. Lambert
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