57 lines
2.3 KiB
C++
57 lines
2.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2021 FreeCAD Developers *
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* Author: Preslav Aleksandrov <preslav.aleksandrov@protonmail.com> *
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* Based on Force constraint by Jan Rheinländer *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef FEM_CONSTRAINTPSPRING_H
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#define FEM_CONSTRAINTPSPRING_H
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#include "FemConstraint.h"
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namespace Fem {
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class FemExport ConstraintSpring : public Fem::Constraint
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{
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PROPERTY_HEADER(Fem::ConstraintSpring);
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public:
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ConstraintSpring();
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App::PropertyFloat normalStiffness;
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App::PropertyFloat tangentialStiffness;
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App::PropertyVectorList Points;
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App::PropertyVectorList Normals;
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/// recalculate the object
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App::DocumentObjectExecReturn *execute() override;
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/// returns the type name of the ViewProvider
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const char* getViewProviderName() const override;
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protected:
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void onChanged(const App::Property* prop) override;
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};
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}
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#endif // FEM_CONSTRAINTPSPRING_H
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