krotos::MouseVelocityExtractor Class Reference

A class specifically designed to extract some kind of useable velocity value from parameters whose values are driven by mouse move messages The signal is very noisy, and unpredictable with respect to when it changes. More...

#include <OscillatorUtils.h>

Public Member Functions
	MouseVelocityExtractor ()
	~MouseVelocityExtractor ()
void	process ()
	Do the calculation.
void	prepare (double sampleRate, int samplesPerBlock)
	Set the sample rate and block size.
void	setInput (float val)
	Input the value to be processed.
float	getOutput ()
	Fetch the processed output.

Private Attributes
double	m_sampleRate {0.0}
int	m_samplesPerBlock {0}
float	m_blockRateHZ {0.f}
float	m_input {0.0f}
float	m_previousInput {0.0f}
float	m_velocity {0.0f}
float	m_calibration {0}
SmoothedFloat	m_smoothedVelocity
const float	VELOCITY_LP_FILTER_HZ {4.5f}
const float	VELOCITY_LP_FILTER_Q {1.f}
const float	CALIBRATION_FACTOR {0.1f}
dsp::IIR::Filter< float >	m_smoother

Detailed Description

A class specifically designed to extract some kind of useable velocity value from parameters whose values are driven by mouse move messages The signal is very noisy, and unpredictable with respect to when it changes.

Constructor & Destructor Documentation

MouseVelocityExtractor()

krotos::MouseVelocityExtractor::MouseVelocityExtractor ( )

inline

~MouseVelocityExtractor()

krotos::MouseVelocityExtractor::~MouseVelocityExtractor ( )

inline

Member Function Documentation

getOutput()

float krotos::MouseVelocityExtractor::getOutput

(

)

Fetch the processed output.

Returns

prepare()

void krotos::MouseVelocityExtractor::prepare	(	double	sampleRate,
		int	samplesPerBlock )

Set the sample rate and block size.

Parameters

sampleRate
samplesPerBlock

process()

void krotos::MouseVelocityExtractor::process

(

)

Do the calculation.

setInput()

void krotos::MouseVelocityExtractor::setInput

(

float

val

)

Input the value to be processed.

Parameters

val

Member Data Documentation

CALIBRATION_FACTOR

const float krotos::MouseVelocityExtractor::CALIBRATION_FACTOR {0.1f}

private

m_blockRateHZ

float krotos::MouseVelocityExtractor::m_blockRateHZ {0.f}

private

m_calibration

float krotos::MouseVelocityExtractor::m_calibration {0}

private

m_input

float krotos::MouseVelocityExtractor::m_input {0.0f}

private

m_previousInput

float krotos::MouseVelocityExtractor::m_previousInput {0.0f}

private

m_sampleRate

double krotos::MouseVelocityExtractor::m_sampleRate {0.0}

private

m_samplesPerBlock

int krotos::MouseVelocityExtractor::m_samplesPerBlock {0}

private

m_smoothedVelocity

SmoothedFloat krotos::MouseVelocityExtractor::m_smoothedVelocity

private

m_smoother

dsp::IIR::Filter<float> krotos::MouseVelocityExtractor::m_smoother

private

m_velocity

float krotos::MouseVelocityExtractor::m_velocity {0.0f}

private

VELOCITY_LP_FILTER_HZ

const float krotos::MouseVelocityExtractor::VELOCITY_LP_FILTER_HZ {4.5f}

private

VELOCITY_LP_FILTER_Q

const float krotos::MouseVelocityExtractor::VELOCITY_LP_FILTER_Q {1.f}

private

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The documentation for this class was generated from the following files:

• krotos_dsp/processors/oscillator/OscillatorUtils.h
• krotos_dsp/processors/oscillator/OscillatorUtils.cpp