G4ArrowModel.hh

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// John Allison  15th July 2012
//
// Class Description:
//
// Model that knows how to draw an arrow.
//
// For access to base class information, e.g., modeling parameters,
// use GetModelingParameters() inherited from G4VModel.  See Class
// Description of the base class G4VModel.

#ifndef G4ARROWMODEL_HH
#define G4ARROWMODEL_HH

#include "G4VModel.hh"

class G4Colour;
class G4Polyhedron;

class G4ArrowModel: public G4VModel {

public: // With description

  G4ArrowModel(G4double x1, G4double y1, G4double z1,
         G4double x2, G4double y2, G4double z2,
         G4double width, const G4Colour& colour,
         const G4String& description = "",
               G4int lineSegmentsPerCircle = 6);
  virtual ~G4ArrowModel ();

  virtual void DescribeYourselfTo (G4VGraphicsScene&);
  // The main task of a model is to describe itself to the graphics scene.

private:

  // Private copy contructor and assignment to forbid use...
  G4ArrowModel (const G4ArrowModel&);
  G4ArrowModel& operator = (const G4ArrowModel&);

  G4Polyhedron* fpShaftPolyhedron;
  G4Polyhedron* fpHeadPolyhedron;
};

#endif