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author | sanine <sanine.not@pm.me> | 2022-10-01 20:59:36 -0500 |
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committer | sanine <sanine.not@pm.me> | 2022-10-01 20:59:36 -0500 |
commit | c5fc66ee58f2c60f2d226868bb1cf5b91badaf53 (patch) | |
tree | 277dd280daf10bf77013236b8edfa5f88708c7e0 /libs/ode-0.16.1/OPCODE/Ice/IceRandom.h | |
parent | 1cf9cc3408af7008451f9133fb95af66a9697d15 (diff) |
add ode
Diffstat (limited to 'libs/ode-0.16.1/OPCODE/Ice/IceRandom.h')
-rw-r--r-- | libs/ode-0.16.1/OPCODE/Ice/IceRandom.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h b/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h new file mode 100644 index 0000000..3170b33 --- /dev/null +++ b/libs/ode-0.16.1/OPCODE/Ice/IceRandom.h @@ -0,0 +1,42 @@ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +/** + * Contains code for random generators. + * \file IceRandom.h + * \author Pierre Terdiman + * \date August, 9, 2001 + */ +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// Include Guard +#ifndef __ICERANDOM_H__ +#define __ICERANDOM_H__ + + FUNCTION ICECORE_API void SRand(udword seed); + FUNCTION ICECORE_API udword Rand(); + + //! Returns a unit random floating-point value + inline_ float UnitRandomFloat() { return float(Rand()) * ONE_OVER_RAND_MAX; } + + //! Returns a random index so that 0<= index < max_index + ICECORE_API udword GetRandomIndex(udword max_index); + + class ICECORE_API BasicRandom + { + public: + + //! Constructor + inline_ BasicRandom(udword seed=0) : mRnd(seed) {} + //! Destructor + inline_ ~BasicRandom() {} + + inline_ void SetSeed(udword seed) { mRnd = seed; } + inline_ udword GetCurrentValue() const { return mRnd; } + inline_ udword Randomize() { mRnd = mRnd * 2147001325 + 715136305; return mRnd; } + + private: + udword mRnd; + }; + +#endif // __ICERANDOM_H__ + |