wolf3d-ios/wolf3d/code/env/random_number.h

48 lines
1.2 KiB
C

/*
Copyright (C) 2004 Michael Liebscher
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* mymath.h: Math routines.
*
* Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
* Date: 2004
*
* Acknowledgement:
* This code was derived from Wolfenstein3-D, and was originally
* written by Id Software, Inc.
*
*/
#ifndef __RANDOM_NUMBER_H__
#define __RANDOM_NUMBER_H__
#define random() ( (rand() & 0x7fff) / ((float)0x7fff) )
#define crandom() ( 2.0 * (random() - 0.5) )
extern void US_InitRndT( int randomize );
extern int US_RndT( void );
#endif /* __RANDOM_NUMBER_H__ */