//----------------------------------------------------------------------------
//  EgalTech 2015-2015
//----------------------------------------------------------------------------
// File : Polygon3d.h           Data : 30.08.15          Versione : 1.6h5
// Contenuto : Dichiarazione della classe Polygon3d (poligono nello spazio).
//
//
//
// Modifiche : 30.08.15 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

#pragma once

#include "/EgtDev/Include/EGkPlane3d.h"
#include "/EgtDev/Include/EGkPolyLine.h"
#include "/EgtDev/Include/EGkGeoCollection.h"


//----------------------------------------------------------------------------
class Polygon3d
{
   public :
      bool FromRectangle( double dDimX, double dDimY) ;
      bool FromPolyLine( const PolyLine& PL) ;
      bool FromPlaneTrimmedWithBox( const Plane3d& plPlane, const Point3d& ptMin, const Point3d& ptMax) ;
      bool FromPlaneTrimmedWithBox( const Point3d& ptOn, const Vector3d& vtN,
                                    const Point3d& ptMin, const Point3d& ptMax) ;
      bool Trim( const Plane3d& plPlane, bool bInVsOut, bool bOnEq) ;
      bool Trim( const Polygon3d& plyOther, bool bInVsOut, bool bOnEq) ;
      bool IsValid( void) const
              { return ! m_Plane.vtN.IsSmall() ; }
      int  GetSideCount( void) const
              { return ( IsValid() ? int( m_vVert.size()) : 0) ; }
      PolyLine GetPolyLine( void) const ;

   public :
      void Translate( const Vector3d& vtMove) ;
      bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dAngDeg)
              { double dAngRad = dAngDeg * DEGTORAD ;
                return Rotate( ptAx, vtAx, cos( dAngRad), sin( dAngRad)) ; }
      bool Rotate( const Point3d& ptAx, const Vector3d& vtAx, double dCosAng, double dSinAng) ;
      bool Scale( const Frame3d& frRef, double dCoeffX, double dCoeffY, double dCoeffZ) ;
      bool Mirror( const Point3d& ptOn, const Vector3d& vtNorm) ;
      bool Shear( const Point3d& ptOn, const Vector3d& vtNorm, const Vector3d& vtDir, double dCoeff) ;
      bool ToGlob( const Frame3d& frRef) ;
      bool ToLoc( const Frame3d& frRef) ;
      bool LocToLoc( const Frame3d& frOri, const Frame3d& frDest) ;

   private :
      Plane3d   m_Plane ;                 // piano in cui giace il poligono
      PNTVECTOR m_vVert ;                 // elenco ordinato dei vertici del poligono (CCW da Z+ piano)
} ;