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SkyDome.
~~~~~~~~~~~~~~~~

The PLIB ssgAux library contains a class for creating a sky dome.

   class ssgaSky ;

The program in this directory demonstrates creating a sky dome,
including the sun, moon, stars and clouds.

This program does not attempt to place celestial bodies accurately
if you wish to place sun, moon, planets & stars correctly then you
could possibly plug-in the SimGear Ephemeris code.


Keyboard controls:

left/right             : turn left/right
up/down arrow          : look up/down
up/down arrow + shift  : increase/decrease altitude
a/z                    : move forward/backward
f                      : fullscreen
w                      : wireframe
s                      : solid
space                  : toggle gui on and off
q/esc                  : quit


History:

Written by Durk Talsma. Originally started October 1997, for distribution  
with the FlightGear project. Version 2 was written in August and 
September 1998. This code is based upon algorithms and data kindly 
provided by Mr. Paul Schlyter. (pausch@saaf.se). 

Separated out rendering pieces and converted to ssg by Curt Olson, March 2000.

Moved (from SimGear) into ssgAux by Nick McEvoy, July 2003.