G4BoundingBox3D.hh

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// $Id$
//
// ----------------------------------------------------------------------
// Class G4BoundingBox3D
//
// Class description:
// 
// Definition of a generic solid's bounding box in the 3D space.
 
// Authors: J.Sulkimo, P.Urban.
// Revisions by: L.Broglia, G.Cosmo.
// ----------------------------------------------------------------------
#ifndef __G4BoundingBox3D_h
#define __G4BoundingBox3D_h 1
 
#include "G4Ray.hh"
#include "G4Point3D.hh"
#include "G4Vector3D.hh"
 
class G4BoundingBox3D
{
 
public:  // with description
 
  G4BoundingBox3D();
  G4BoundingBox3D(const G4Point3D&);
  G4BoundingBox3D(const G4Point3D&, const G4Point3D&);    
  ~G4BoundingBox3D();
    // Constructors & destructor.
 
  G4BoundingBox3D(const G4BoundingBox3D& right);
  G4BoundingBox3D& operator=(const G4BoundingBox3D& right);
    // Copy constructor and assignment operator.
 
  void Init(const G4Point3D&);
  void Init(const G4Point3D&, const G4Point3D&);
  void Extend(const G4Point3D&);
    // To create/extend the bounding box
 
  G4Point3D GetBoxMin() const;
  G4Point3D GetBoxMax() const;
  G4double GetDistance() const;
  void SetDistance(G4double distance0);
    // Accessors.
 
  G4int Inside(const G4Point3D&) const;
    // Returns 1 if the point is inside and on the bbox.
    // Returns 0 if the point is outside the bbox.
 
public:
 
  G4int GetTestResult() const;
  G4int Test(const G4Ray&);
 
  static const G4BoundingBox3D space;
 
private:
 
  G4int BoxIntersect(const G4Point3D&, 
             const G4Point3D&, 
             const G4Vector3D&) const;
 
  G4double DistanceToIn(const G4Point3D&,
            const G4Vector3D&) const;             
    
private:
 
  G4Point3D box_min;
  G4Point3D box_max;
  G4double distance;
 
  G4int test_result;
 
  G4Point3D MiddlePoint;
  G4Vector3D GeantBox;
  G4double kCarTolerance;
};
 
#include "G4BoundingBox3D.icc"
 
#endif