File indexing completed on 2024-05-26 04:34:13

 /*
  *  SPDX-FileCopyrightText: 2009 Lukas Tvrdy <lukast.dev@gmail.com>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #ifndef _METABALL_H_
 #define _METABALL_H_
 
 #include <cmath>
 #include <QtGlobal>
 
 class Metaball
 {
 public:
     ~Metaball() {}
     Metaball(qreal x, qreal y, qreal radius):
         m_x(x),
         m_y(y),
         m_radius(radius) {}
 
     qreal equation(qreal x, qreal y) {
         //return m_radius / sqrt( pow((x - m_x),2) + pow((y - m_y),2) );
         return (m_radius * m_radius) / (pow((x - m_x), 2) + pow((y - m_y), 2));
     }
 
     qreal x() {
         return m_x;
     }
 
     qreal y() {
         return m_y;
     }
 
     qreal radius() {
         return m_radius;
     }
 private:
     qreal m_x;
     qreal m_y;
     qreal m_radius;
 
 };
 
 #endif // _METABALL_H_