VirtualPlaneIntersector.h

#ifndef VIRTUALPLANEINTERSECTOR_H
#define VIRTUALPLANEINTERSECTOR_H

#include <tuple>

#include <osg/Referenced>
#include <osgGA/GUIEventAdapter>
#include <osgGA/GUIActionAdapter>

#include "Canvas.h"
#include "DraggableWire.h"

template <typename Geometry>
class VirtualPlaneIntersector : public osg::Referenced
{
public:
    typedef std::tuple<double, double, bool> Intersection2D;
    typedef std::tuple<osg::Vec3f, bool> Intersection3D;

    VirtualPlaneIntersector(Geometry* g);

    virtual Intersection2D getIntersection2D(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

    virtual Intersection3D getIntersection3D(const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa);

    virtual Intersection3D getIntersection3D(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa, const osg::Plane& plane);

protected:
    virtual bool getIntersection2D(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa,
                                   const osg::Vec3f& center, const osg::Plane& plane, double& u, double& v);

    virtual bool getIntersection3D(const osgGA::GUIEventAdapter &ea, osgGA::GUIActionAdapter &aa,
                                   const osg::Vec3f& center, const osg::Plane& plane, osg::Vec3f& P);

protected:
    Geometry* m_geometry;
};

#endif // VIRTUALPLANEINTERSECTOR_H