Point2D.cpp

/*******************************************************************************
 *  Point2D.cpp
 *
 *  (C) 2008 AG Aktives Sehen <agas@uni-koblenz.de>
 *           Universitaet Koblenz-Landau
 *
 *  Additional information:
 *  $Id: $ 
 *******************************************************************************/

#include "Point2D.h"

#define THIS Point2D 

float THIS::getPolarAngle () const
{
  float angle = atan ( m_Y /m_X );
  if ( m_X < 0 )
  {
    angle = - ( M_PI - angle );
  }
  while ( angle >= M_PI )
  {
    angle -= 2*M_PI;
  }
  while ( angle < -M_PI )
  {
    angle += 2*M_PI;
  }
  return angle;
}

#undef THIS