//----------------------------------------------------------------------------
//  EgalTech 2020-2020
//----------------------------------------------------------------------------
// File : CDeSpheTria.cpp       Data : 09.01.20       Versione : 2.2a2
// Contenuto : Implementazione della verifica di collisione tra 
//             Sphere e Triangle3d.
//
//
// Modifiche :09.01.20 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "CDeSpheTria.h"
#include "/EgtDev/Include/EGkDistPointTria.h"

using namespace std ;

//----------------------------------------------------------------------------
bool
CDeSimpleSpheTria( const Point3d& ptCen, double dR, const Triangle3d& trTria)
{
  // Determino la minima distanza tra centro della sfera e triangolo
   double dSqDist ;
   if ( ! DistPointTriangle( ptCen, trTria).GetSqDist( dSqDist))
      return false ;
   return ( dSqDist < dR * dR) ;
}

//----------------------------------------------------------------------------
bool
CDeSpheTria( const Point3d& ptCen, double dR, const Triangle3d& trTria, double dSafeDist)
{
   return CDeSimpleSpheTria( ptCen, dR + max( 0., dSafeDist), trTria) ;
}