FreeCAD/src/Mod/Fem/App/FemConstraintGear.cpp

87 lines
3.6 KiB
C++

/***************************************************************************
* Copyright (c) 2013 Jan Rheinländer <jrheinlaender[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
#include <gp_Pnt.hxx>
#include <gp_Pln.hxx>
#include <gp_Lin.hxx>
#include <TopoDS.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <Precision.hxx>
#endif
#include "FemConstraintGear.h"
#include <Mod/Part/App/PartFeature.h>
#include <Base/Console.h>
using namespace Fem;
PROPERTY_SOURCE(Fem::ConstraintGear, Fem::ConstraintBearing);
ConstraintGear::ConstraintGear()
{
ADD_PROPERTY(Diameter,(100.0));
ADD_PROPERTY(Force,(1000.0));
ADD_PROPERTY(ForceAngle,(0.0));
ADD_PROPERTY_TYPE(Direction,(0),"ConstraintGear",(App::PropertyType)(App::Prop_None),
"Element giving direction of gear force");
ADD_PROPERTY(Reversed,(0));
ADD_PROPERTY_TYPE(DirectionVector,(Base::Vector3d(1,1,1).Normalize()),"ConstraintGear",App::PropertyType(App::Prop_ReadOnly|App::Prop_Output),
"Direction of gear force");
naturalDirectionVector = Base::Vector3d(1,1,1).Normalize();
}
App::DocumentObjectExecReturn *ConstraintGear::execute(void)
{
return ConstraintBearing::execute();
}
void ConstraintGear::onChanged(const App::Property* prop)
{
ConstraintBearing::onChanged(prop);
if (prop == &Direction) {
Base::Vector3d direction = getDirection(Direction);
if (direction.Length() < Precision::Confusion())
return;
naturalDirectionVector = direction;
if (Reversed.getValue())
direction = -direction;
DirectionVector.setValue(direction);
DirectionVector.touch();
} else if (prop == &Reversed) {
if (Reversed.getValue() && (DirectionVector.getValue() == naturalDirectionVector)) {
DirectionVector.setValue(-naturalDirectionVector);
DirectionVector.touch();
} else if (!Reversed.getValue() && (DirectionVector.getValue() != naturalDirectionVector)) {
DirectionVector.setValue(naturalDirectionVector);
DirectionVector.touch();
}
}
// The computation for the force angle is simpler in the ViewProvider directly
}