simple time measure class

littleTimeSequencer.cpp

#include "littleTimeSequencer.h"

void littleTimeSequencer::setup(float duration, bool bLoop)
{

  targDuration = duration;

  isPlaying	= false;
	isPause		= false;
	isLoop		= bLoop;

}

void littleTimeSequencer::start()
{

	bangTime = ofGetElapsedTimef();
	passTime = 0.0;
	isPlaying = true;
	isPause = false;
}

void littleTimeSequencer::setPause(bool bPause)
{

	isPause = bPause;

}

void littleTimeSequencer::reset()
{

	passTime = 0.0;
	isPlaying = false;
	isPause = true;

}

float littleTimeSequencer::getPctCubic(bool flip)
{

	if (flip)
	{

		return pow(getPctLinear(false),1.0f/2.0f);

	}else{

		return pow(getPctLinear(false),2.0f);
		
	}

}

float littleTimeSequencer::getPctQuart(bool flip)
{

	if (flip)
	{

		return pow(getPctLinear(false),1.0f/4.0f);

	}
	else
	{

		return pow(getPctLinear(false),4.0f);

	}

}

float littleTimeSequencer::getPctQuint(bool flip)
{

	if (flip)
	{

		return pow(getPctLinear(false),1.0f/5.0f);

	}
	else
	{

		return pow(getPctLinear(false),5.0f);

	}

}

float littleTimeSequencer::getPctSigmoid()
{

	float x = (getPctLinear(false)-0.5)*20;

	return 1 / (1 + pow(2.71828182846f,-x));

}

float littleTimeSequencer::getPctLinear(bool flip)
{

	update();

	if (flip)
	{

		return 1.0 - passTime / targDuration;

	}
	else
	{

		return passTime / targDuration;

	}

}

float littleTimeSequencer::getCurrentTime(){
	update();
	return passTime;
}

void littleTimeSequencer::update()
{

	if (isPause)
	{

		bangTime = ofGetElapsedTimef() - passTime;
		isPlaying = true;

	}
	else
	{

		passTime = ofGetElapsedTimef() - bangTime;
		isPlaying = true;

	}

	if (isLoop)
	{

		passTime = passTime - (int)(passTime/targDuration)*targDuration;
		isPlaying = true;

	}
	else
	{
		if (passTime > targDuration)
		{
			passTime = targDuration;
			isPlaying = false;
		}
	}

}

littleTimeSequencer.h

#include "ofMain.h"

class littleTimeSequencer{
public:
  void setup(float duration,bool bLoop);

	void update();

	void start();
	void setPause(bool bPause);
	void reset();

	float getPctLinear(bool flip);
	float getPctCubic(bool flip);
	float getPctQuart(bool flip);
	float getPctQuint(bool flip);
	float getPctSigmoid();
	float getCurrentTime();

protected:
	
	float currentTime;

	float bangTime;
	float passTime;
	float targDuration;
	bool isPlaying;
	bool isPause;
	bool isLoop;
};