MechanicalComputeEnergyVisitor.h

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/******************************************************************************
*       SOFA, Simulation Open-Framework Architecture, version 1.0 beta 3      *
*                (c) 2006-2008 MGH, INRIA, USTL, UJF, CNRS                    *
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* This library is free software; you can redistribute it and/or modify it     *
* under the terms of the GNU Lesser General Public License as published by    *
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* your option) any later version.                                             *
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details.                                                           *
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*******************************************************************************
*                               SOFA :: Modules                               *
*                                                                             *
* Authors: The SOFA Team and external contributors (see Authors.txt)          *
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//
// C++ Interface: MechanicalComputeEnergyVisitor
//
// Description: 
//
//
// Author: Francois Faure, (C) 2006
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef SOFA_SIMULATION_MECHANICALCOMPUTEENERGYACTION_H
#define SOFA_SIMULATION_MECHANICALCOMPUTEENERGYACTION_H

#include <sofa/simulation/common/MechanicalVisitor.h>
#include <sofa/defaulttype/Vec.h>

namespace sofa
{

namespace simulation
{

class MechanicalComputeEnergyVisitor : public sofa::simulation::MechanicalVisitor
{
    SReal m_kineticEnergy;
    SReal m_potentialEnergy;
    
    public:
    MechanicalComputeEnergyVisitor();

    ~MechanicalComputeEnergyVisitor();
    
    double getKineticEnergy();
    
    double getPotentialEnergy();

    virtual Result fwdMass(simulation::Node* /*node*/, core::componentmodel::behavior::BaseMass* mass);

    virtual Result fwdForceField(simulation::Node* /*node*/, core::componentmodel::behavior::BaseForceField* f);
 
};

}

}

#endif