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/*
SABRE Fighter Plane Simulator
Copyright (c) 1997 Dan Hammer
Portions Donated By Antti Barck
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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __sim_h
#define __sim_h
#include <stdlib.h>
extern float world_scale;
extern float time_factor;
extern float time_frame;
extern float hit_scaler;
extern float shape_scaler;
#include "rtkey.h"
inline int RANDOM(int x)
{
return (rand() % (x));
}
inline long coreleft()
{
return (100000L);
}
// convert knots to feet per second
inline float kts2fps(float kts)
{
return ((kts / 3600.0) * 6000.0);
}
// convert feet per second to knots
inline float fps2kts(float fps)
{
return ((fps * 3600.0) / 6000.0);
}
// convert miles per hour to feet per second
inline float mph2fps(float mph)
{
return ((mph / 3600.0) * 5280.0);
}
// convert feet per second to miles per hour
inline float fps2mph(float fps)
{
return ((fps * 3600.0) / 5280.0);
}
// convert miles to feet
inline float m2f(float m)
{
return (m * 5280.0);
}
// convert feet to miles
inline float f2m(float f)
{
return (f / 5280.0);
}
#define INT_PERC(x) (((float)x) / 100.0)
inline float frand(float val)
{
float d = INT_PERC(RANDOM(100));
return (d * val);
}
#endif
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