File analogbassdrum.h¶

File List > DaisySP > Source > Drums > analogbassdrum.h
Source Code¶

/*
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_ANALOG_BD_H
#define DSY_ANALOG_BD_H

#include <stdint.h>
#ifdef __cplusplus

#include "Synthesis/oscillator.h"
#include "Filters/svf.h"

namespace daisysp
{
class AnalogBassDrum
{
  public:
    AnalogBassDrum() {}
    ~AnalogBassDrum() {}

    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 SetTone(float tone);

    void SetDecay(float decay);

    void SetAttackFmAmount(float attack_fm_amount);

    void SetSelfFmAmount(float self_fm_amount);

  private:
    inline float Diode(float x);

    float sample_rate_;

    float accent_, f0_, tone_, decay_;
    float attack_fm_amount_, self_fm_amount_;

    bool trig_, sustain_;

    int   pulse_remaining_samples_;
    int   fm_pulse_remaining_samples_;
    float pulse_;
    float pulse_height_;
    float pulse_lp_;
    float fm_pulse_lp_;
    float retrig_pulse_;
    float lp_out_;
    float tone_lp_;
    float sustain_gain_;

    Svf resonator_;

    //for use in sin + cos osc. in sustain mode
    float phase_;
};
} // namespace daisysp
#endif
#endif