//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : IntersArcArc.h      Data : 10.07.14          Versione : 1.5g2
// Contenuto : Dichiarazione della classe intersezione arco/arco.
//
//
//
// Modifiche : 10.07.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkIntersCurves.h"
#include "CurveArc.h"


//-----------------------------------------------------------------------------
class IntersArcArc
{
   friend class IntersCurveCurve ;

   public :
      IntersArcArc( const CurveArc& Arc1, const CurveArc& Arc2) ;

   public :
      bool GetOverlaps( void)
              { return false ; }
      int  GetNumInters( void)
              { return m_nNumInters ; }
      bool GetIntCrvCrvInfo( int nInd, IntCrvCrvInfo& aInfo)
              { if ( nInd < 0  ||  nInd >= m_nNumInters)
                   return false ;
                aInfo = m_Info[nInd] ;
                return true ; }

   private :
      IntersArcArc( void) ;
      bool CalcSecIntersGeomData( int nInt, const Point3d& ptInt, int& nPos1, int& nPos2) ;
      bool CalcSecIntersTopolData( int nInt, int nPos1, int nPos2) ;
      bool CalcOverlapData( int nInt, bool bEqVers, const Point3d& ptS1, const Point3d& ptE1,
                            int dUS1, int dUE1, const Point3d& ptS2, const Point3d& ptE2) ;

   private :
      static const int MAX_INTERS = 2 ;

   private :
      CurveArc      m_Arc1 ;
      CurveArc      m_Arc2 ;
      bool          m_bOverlaps ;
      int           m_nNumInters ;
      IntCrvCrvInfo m_Info[MAX_INTERS] ;
} ;