Oscillator.h

#pragma once
 
#include <functional>
 
class Oscillator
{
public:
    enum OscType
    {
        SINE,
        SQUARE,
        SAW,
        TRIANGLE,
        NUM_TYPES
    };
 
    Oscillator(OscType oscType);
    float generateSample();
    void setAmplitude(float amplitude) { mAmplitude = amplitude; }
    void setFrequency(float frequency) { mFrequency = frequency; }
    void setType(OscType oscType);
 
private:
    OscType mOscType;
    float mAmplitude;
    float mFrequency;
    float mAngle;
    float mSampleRate;
    std::function<float()> generateSampleFunc;
 
    // Lambdas for waveform generation
    std::function<float()> sineFunc;
    std::function<float()> squareFunc;
    std::function<float()> sawFunc;
    std::function<float()> triangleFunc;
};