File indexing completed on 2024-10-13 06:32:53

 /*
     SPDX-FileCopyrightText: 2007 Vladimir Kuznetsov <ks.vladimir@gmail.com>
     SPDX-FileCopyrightText: 2014 Inge Wallin <inge@lysator.liu.se>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 /** \file force.h
  *  \brief Contains the Force object.
  */
 
 #ifndef STEPCORE_FORCE_H
 #define STEPCORE_FORCE_H
 
 
 #include <vector> // XXX: Replace if Qt is enabled.
 
 #include "types.h"
 #include "item.h"
 
 
 namespace StepCore
 {
 
 
 /** \ingroup forces
  *  \brief Interface for forces
  *
  *  Force is anything that acts upon bodies changing derivatives of dynamic variables
  */
 class Force : public Item
 {
     STEPCORE_OBJECT(Force)
 
 public:
     explicit Force(const QString& name = QString())
         : Item(name)
     {}
     virtual ~Force() {}
 
     /** Calculate force. Bodies can be accessed through
      * this->world()->bodies()
      */
     virtual void calcForce(bool calcVariances) = 0;
 };
 
 
 /** List of pointers to Force */
 typedef std::vector<Force*> ForceList;
 
 
 } // namespace StepCore
 
 
 #endif