RecurrentForce.h

/****************************************************************************
 * Copyright 2005 Evan Drumwright
 * This library is distributed under the terms of the GNU General Public 
 * License (found in COPYING).
 ****************************************************************************/

#ifndef _RECURRENT_FORCE
#define _RECURRENT_FORCE

#include <vector>
#include <map>
#include <boost/shared_ptr.hpp>
#include <Physsim/Base.h>

namespace Physsim {

class DynamicBody;
        

class RecurrentForce : public Base
{
        public:
                virtual ~RecurrentForce() { }
                bool is_skipped(DynamicBodyPtr body) const;
                
                virtual void add_force(std::vector<DynamicBodyPtr>& bodies) = 0;
                
                void add_skipped(DynamicBodyPtr body) { _skipbodies[body] = true; }

                void remove_skipped(DynamicBodyPtr body) { _skipbodies[body] = false; }

                void clear_skipped() { _skipbodies.clear(); }

        protected:
                std::map<DynamicBodyPtr, bool> _skipbodies;
};

} // end namespace Physsim

#endif

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