EgtGeomKernel/IntersLineLine.h

//----------------------------------------------------------------------------
//  EgalTech 2014-2014
//----------------------------------------------------------------------------
// File : IntersLineLine.h      Data : 19.06.14          Versione : 1.5f5
// Contenuto : Dichiarazione della classe intersezione linea/linea.
//
//
//
// Modifiche : 19.06.14 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkIntersCurveCurve.h"
#include "/EgtDev/Include/EGkCurveLine.h"


//-----------------------------------------------------------------------------
class IntersLineLine
{
   friend class IntersCurveCurve ;

   public :
      IntersLineLine( const ICurveLine& Line1, const ICurveLine& Line2, bool bFinites = true) ;

   public :
      bool GetOverlaps( void)
              { return m_bOverlaps ; }
      int  GetNumInters( void)
              { return m_nNumInters ; }
      bool GetIntersParam( int nInd, int nCrv, double& dPar)
              { if ( nInd < 0  ||  nInd >= m_nNumInters  ||  nCrv < 0  ||  nCrv > 1)
                   return false ;
                dPar = m_Info[nInd].Ici[nCrv].dU ;
                return true ;}
      bool GetIntersPoint( int nInd, int nCrv, Point3d& ptI)
              { if ( nInd < 0  ||  nInd >= m_nNumInters  ||  nCrv < 0  ||  nCrv > 1)
                   return false ;
                ptI = m_Info[nInd].Ici[nCrv].ptI ;
                return true ;}
      bool GetIntersType( int nInd, int nCrv, int& nType)
              { if ( nInd < 0  ||  nInd >= m_nNumInters  ||  nCrv < 0  ||  nCrv > 1)
                   return false ;
                nType = m_Info[nInd].Ici[nCrv].nTy ;
                return true ;}
      bool GetIntCrvCrvInfo( int nInd, IntCrvCrvInfo& aInfo)
              { if ( nInd < 0  ||  nInd >= m_nNumInters)
                   return false ;
                aInfo = m_Info[nInd] ;
                return true ; }

   private :
      IntersLineLine( void) ;

   private :
      static const int MAX_INTERS = 2 ;

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