HandlerIntersector.h

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#ifndef HANDLERINTERSECTOR_H
#define HANDLERINTERSECTOR_H
 
#include <vector>
#include <osgUtil/LineSegmentIntersector>
 
class HandlerIntersector : public osgUtil::LineSegmentIntersector
{
public:
    HandlerIntersector();
 
    HandlerIntersector(const osg::Vec3& start, const osg::Vec3& end);
    HandlerIntersector(CoordinateFrame cf, double x, double y);
    HandlerIntersector(CoordinateFrame cf, const osg::Vec3d& start, const osg::Vec3d& end);
 
    void setOffset(float offset);
    float getOffset() const;
    void getHitIndices(int& first, int& last) const;
 
    virtual Intersector* clone( osgUtil::IntersectionVisitor& iv );
    virtual void intersect(osgUtil::IntersectionVisitor& iv, osg::Drawable* drawable);
 
    bool isVirtualIntersector() const;
 
    void setHandlerDrawable(osg::Drawable *handler) { selectorDrawable = handler; }
 
protected:
    double getSkewLinesDistance(const osg::Vec3d &r1, const osg::Vec3d &r2, const osg::Vec3d &v1, const osg::Vec3d &v2, double &intersectionRatio);
    virtual bool isRightPrimitive(const osg::Geometry* geometry);
 
    float m_offset;
    std::vector<unsigned int> m_hitIndices;
    osg::Drawable *selectorDrawable;
};
 
#endif // L