#pragma once

#include <JuceHeader.h>
#include "Params.h"

namespace serum
{

// ===========================================================================
// Simple sub oscillator: sine or triangle, one/two octaves down or unison.
// ===========================================================================
class SubOscillator
{
public:
    void prepare (double sampleRate)  { sr = sampleRate; phase = 0.0; }
    void reset()                       { phase = 0.0; }

    void noteOn (double freqHz, int octaveShift);

    // Accumulate into out (mono; the caller pans/levels it).
    void processAdd (double freqHz, int shape, float level, float& out) noexcept;

private:
    double sr    = 44100.0;
    double phase = 0.0;
    static constexpr double kTwoPi = 6.28318530717958647692;
};

} // namespace serum