//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : IntersLineArc.h      Data : 07.07.14          Versione : 1.5g2
// Contenuto : Dichiarazione della classe intersezione linea/arco.
//
//
//
// Modifiche : 07.07.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkIntersCurveCurve.h"
#include "CurveLine.h"
#include "CurveArc.h"


//-----------------------------------------------------------------------------
class IntersLineArc
{
   friend class IntersCurveCurve ;

   public :
      IntersLineArc( const ICurveLine& Line, const ICurveArc& Arc) ;

   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 :
      IntersLineArc( void) ;
      bool CalcIntersGeomData( int nInt, const Point3d& ptInt, int& nPosL, int& nPosA) ;
      bool CalcTgIntersTopolData( int nInt, int nPosL, int nPosA) ;
      bool CalcSecIntersTopolData( int nInt, int nPosL, int nPosA) ;

   private :
      static const int MAX_INTERS = 2 ;

   private :
      CurveLine     m_Line ;
      Vector3d      m_vtDirL ;
      CurveArc      m_Arc ;
      int           m_nNumInters ;
      IntCrvCrvInfo m_Info[MAX_INTERS] ;
} ;