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55 lines
1.0 KiB
55 lines
1.0 KiB
4 years ago
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#pragma once
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#ifndef DSY_DUST_H
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#define DSY_DUST_H
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#include <cstdlib>
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#include <random>
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#include "Utility/dsp.h"
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#ifdef __cplusplus
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/** @file dust.h */
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namespace daisysp
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{
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/**
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@brief Dust Module
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@author Ported by Ben Sergentanis
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@date Jan 2021
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Randomly Clocked Samples \n \n
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Ported from pichenettes/eurorack/plaits/dsp/noise/dust.h \n
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to an independent module. \n
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Original code written by Emilie Gillet in 2016. \n
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*/
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class Dust
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{
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public:
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Dust() {}
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~Dust() {}
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void Init() { SetDensity(.5f); }
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float Process()
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{
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float inv_density = 1.0f / density_;
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float u = rand() * kRandFrac;
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if(u < density_)
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{
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return u * inv_density;
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}
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return 0.0f;
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}
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void SetDensity(float density)
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{
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density_ = fclamp(density, 0.f, 1.f);
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density_ = density_ * .3f;
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}
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private:
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float density_;
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static constexpr float kRandFrac = 1.f / (float)RAND_MAX;
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};
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} // namespace daisysp
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#endif
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#endif
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