synthsnaredrum.h

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/*
Copyright (c) 2020 Electrosmith, Corp, Emilie Gillet
 
Use of this source code is governed by an MIT-style
license that can be found in the LICENSE file or at
https://opensource.org/licenses/MIT.
*/
 
#pragma once
#ifndef DSY_SYNTHSD_H
#define DSY_SYNTHSD_H
 
#include "Filters/svf.h"
 
#include <stdint.h>
#ifdef __cplusplus
 
namespace daisysp
{
class SyntheticSnareDrum
{
  public:
    SyntheticSnareDrum() {}
    ~SyntheticSnareDrum() {}
 
    void Init(float sample_rate);
 
    float Process(bool trigger = false);
 
    void Trig();
 
    void SetSustain(bool sustain);
 
    void SetAccent(float accent);
 
    void SetFreq(float f0);
 
    void SetFmAmount(float fm_amount);
 
    void SetDecay(float decay);
 
    void SetSnappy(float snappy);
 
  private:
    inline float DistortedSine(float phase);
 
    float sample_rate_;
 
    bool  trig_;
    bool  sustain_;
    float accent_, f0_, fm_amount_, decay_, snappy_;
 
    float phase_[2];
    float drum_amplitude_;
    float snare_amplitude_;
    float fm_;
    float sustain_gain_;
    int   hold_counter_;
 
    Svf drum_lp_;
    Svf snare_hp_;
    Svf snare_lp_;
};
} // namespace daisysp
#endif
#endif