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


namespace OSGView
{

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

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

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

	void SetMeshData(COSGPeriodicLattice* posgMesh);
protected:
	virtual bool handle(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

	void SnapPoint(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

	osgText::Text* createText(const osg::Vec3& pos, double val);
protected:
	//text ½Úµã
	osg::ref_ptr<osg::Geode> m_textZValue;

	COSGPeriodicLattice* m_pOsgMesh;

	osg::Vec3 m_snapPoint;
};

}  //end namespace