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/******************************************************************************
* SOFA, Simulation Open-Framework Architecture, version 1.0 beta 4 *
* (c) 2006-2009 MGH, INRIA, USTL, UJF, CNRS *
* *
* 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 *
* the Free Software Foundation; either version 2.1 of the License, or (at *
* your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License *
* for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with this library; if not, write to the Free Software Foundation, *
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
*******************************************************************************
* SOFA :: Modules *
* *
* Authors: The SOFA Team and external contributors (see Authors.txt) *
* *
* Contact information: contact@sofa-framework.org *
******************************************************************************/
#ifndef SOFA_COMPONENT_INTERACTIONFORCEFIELD_REPULSIVESPRINGFORCEFIELD_H
#define SOFA_COMPONENT_INTERACTIONFORCEFIELD_REPULSIVESPRINGFORCEFIELD_H
#include <sofa/component/forcefield/StiffSpringForceField.h>
namespace sofa
{
namespace component
{
namespace interactionforcefield
{
template<class DataTypes>
class RepulsiveSpringForceField : public forcefield::StiffSpringForceField<DataTypes>
{
public:
typedef forcefield::StiffSpringForceField<DataTypes> Inherit;
typedef typename DataTypes::VecCoord VecCoord;
typedef typename DataTypes::VecDeriv VecDeriv;
typedef typename DataTypes::Coord Coord;
typedef typename DataTypes::Deriv Deriv;
typedef typename Coord::value_type Real;
typedef typename Inherit::Mat Mat;
typedef typename Inherit::Spring Spring;
using Inherit::sout;
using Inherit::serr;
using Inherit::sendl;
enum { N = Inherit::N };
public:
RepulsiveSpringForceField(core::componentmodel::behavior::MechanicalState<DataTypes>* object1, core::componentmodel::behavior::MechanicalState<DataTypes>* object2)
: forcefield::StiffSpringForceField<DataTypes>(object1, object2)
{
}
RepulsiveSpringForceField()
{
}
virtual void addForce(VecDeriv& f1, VecDeriv& f2, const VecCoord& x1, const VecCoord& x2, const VecDeriv& v1, const VecDeriv& v2);
virtual double getPotentialEnergy();
};
} // namespace interactionforcefield
} // namespace component
} // namespace sofa
#endif
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