mirror of
https://github.com/thestk/stk
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58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
/***************************************************/
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/*! \class Noise
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\brief STK noise generator.
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Generic random number generation using the
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C rand() function. The quality of the rand()
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function varies from one OS to another.
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by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
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*/
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/***************************************************/
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#if !defined(__NOISE_H)
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#define __NOISE_H
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#include "Stk.h"
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class Noise : public Stk
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{
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public:
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//! Default constructor which seeds the random number generator with the system time.
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Noise();
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//! Constructor which seeds the random number generator with a given seed.
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/*!
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If the seed value is zero, the random number generator is
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seeded with the system time.
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*/
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Noise( unsigned int seed );
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//! Class destructor.
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virtual ~Noise();
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//! Seed the random number generator with a specific seed value.
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/*!
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If no seed is provided or the seed value is zero, the random
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number generator is seeded with the current system time.
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*/
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void setSeed( unsigned int seed = 0 );
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//! Return a random number between -1.0 and 1.0 using rand().
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virtual MY_FLOAT tick();
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//! Return \e vectorSize random numbers between -1.0 and 1.0 in \e vector.
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virtual MY_FLOAT *tick(MY_FLOAT *vector, unsigned int vectorSize);
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//! Return the last computed value.
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MY_FLOAT lastOut() const;
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protected:
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MY_FLOAT lastOutput;
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};
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#endif
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