VReng (Virtual Reality Engine) - Main module

Copyright (c) 1997 Ecole Nationale Superieure des Telecommunications (ENST)
All rights reserved.

This is a free software; you can redistribute it and/or modify it
under the terms of the GNU General Public Licence as published by
the Free Software Foundation; either version 2 of the License, or
at your option) any later version.

THIS SOFTWARE IS DISTRIBUTED IN THE HOPE THAT IT WILL BE USEFUL,
BUT IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public Licence for more details.
You should have received a copy of the GNU General Public Licence
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
