#pragma once
#include "./Curve.hpp"

enum class CurveIterationMode
{
	BASIC,
	LENGTH
};

class CurveIterator {
private:
	Curve *curve;
	unsigned int steps;
	CurveIterationMode iterationMode;
	float estimatedLength;
	int basicStepCounter;
	float lengthStepCounter;
	float leftBound;
	float rightBound;
	float lastIncrement;

	void resetIterator();
	void computeLength();

public:
	CurveIterator(Curve *curve, unsigned int steps, CurveIterationMode basicOrLength);
	void nextStep();
	float getStep();
	void setProgress(float at);
	glm::vec3 evaluation();
	glm::vec3 derivation();

	Curve* getCurve();

};