#pragma once

#include<osg/Referenced>
#include<osg/Geometry>
#include<osg/MatrixTransform>

#include<osgGA/GUIEventHandler>

#include<osgViewer/Viewer>




class distortionHandler : public osgGA::GUIEventHandler
{

public:
	distortionHandler( osg::Camera* camera, osg::Geometry* distortionMesh )
    : _highlighter(0), _camera(camera), _distortionMesh(distortionMesh), _highlightColor( osg::Vec4(1.0f, 1.0f, 0.0f, 1.0f) ) {}

    void computeSelectedVertex( osgUtil::LineSegmentIntersector::Intersection& result );
    bool handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa );

	osg::Geode* createVertexHighlighter();

protected:
	osg::ref_ptr<osg::Geometry> _highlighter;
    osg::observer_ptr<osg::Camera> _camera;
	osg::Geometry* _distortionMesh;
	const osg::Vec4 _highlightColor;
};



class distortionNG : public osg::Referenced
{

public:
	distortionNG();
	virtual ~distortionNG();
};