47 lines
1 KiB
C++
47 lines
1 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file randomizer.h
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* @author drose
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* @date 2007-01-18
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*/
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#ifndef RANDOMIZER_H
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#define RANDOMIZER_H
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#include "pandabase.h"
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#include "mersenne.h"
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#include <time.h>
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#include <math.h>
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/**
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* A handy class to return random numbers.
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*/
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class EXPCL_PANDA_MATHUTIL Randomizer {
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PUBLISHED:
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INLINE explicit Randomizer(unsigned long seed = 0);
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INLINE Randomizer(const Randomizer ©);
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INLINE void operator = (const Randomizer ©);
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INLINE int random_int(int range);
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INLINE double random_real(double range);
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INLINE double random_real_unit();
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INLINE static unsigned long get_next_seed();
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INLINE unsigned long get_seed();
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private:
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Mersenne _mersenne;
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static Mersenne _next_seed;
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static bool _got_first_seed;
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};
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#include "randomizer.I"
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#endif
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