#pragma once
|
|
#include <EffectProcessorBase.h>
|
#include <LinearInterpolationCircularBuffer.h>
|
#include <LFO.h>
|
|
/**
|
* Base Class for Modulation Effect Processors
|
*
|
*/
|
template <typename SampleType>
|
class ModulationProcessor : public EffectProcessorBase<SampleType>
|
{
|
public:
|
|
/**
|
* @brief Sets modulation rate
|
*
|
* @param newRate New rate value
|
*/
|
virtual void setRate(SampleType newRate) = 0;
|
|
/**
|
* @brief Sets modulation depth
|
*
|
* @param newDepth New depth value
|
*/
|
virtual void setDepth(SampleType newDepth) = 0;
|
|
protected:
|
|
SampleType doUnipolarModulationFromMin(SampleType unipolarModulatorValue, SampleType minValue, SampleType maxValue)
|
{
|
// --- UNIPOLAR bound
|
unipolarModulatorValue = fmin(unipolarModulatorValue, 1.0f);
|
unipolarModulatorValue = fmax(unipolarModulatorValue, 0.0f);
|
|
// --- modulate from minimum value upwards
|
return unipolarModulatorValue * (maxValue - minValue) + minValue;
|
};
|
|
SampleType bipolarToUnipolar(SampleType value)
|
{
|
return 0.5 * value + 0.5;
|
};
|
|
protected:
|
SampleType sampleRate;
|
LinearInterpolationCircularBuffer<SampleType> delayLine;
|
LFO lfo;
|
};
|
