#pragma once
#include "OBaseOperator.h"
#include "OSGPeriodicLattice.h"
#include <osgText/Text>
#include <osgViewer/Viewer>


namespace OSGView
{

class OpDrawPolyline : public OBaseOperator
{
public:
	OpDrawPolyline(osgViewer::Viewer* pViewer);
	virtual ~OpDrawPolyline();

	virtual const char * GetName() {return "OpMeasureDistance";}

	virtual int OnLButtonDown(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

	virtual int OnMouseMove(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

	void GetPolygen(std::vector<Point2D>& polygen);
protected:
	virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

	void UpdatePolyline(std::vector<osg::Vec3>& polylines);
protected:
	std::vector<osg::Vec3> m_pPolyline;

	//text ½Úµã
	osg::Group* m_polylineNode;

	bool m_bstart;
};

}  //end namespace