91 lines
3.5 KiB
C++
91 lines
3.5 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jan Rheinländer *
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* <jrheinlaender@users.sourceforge.net> *
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* *
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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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#include <Precision.hxx>
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#include "FemConstraintGear.h"
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using namespace Fem;
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PROPERTY_SOURCE(Fem::ConstraintGear, Fem::ConstraintBearing)
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ConstraintGear::ConstraintGear()
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{
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ADD_PROPERTY(Diameter, (100.0));
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ADD_PROPERTY(Force, (1000.0));
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ADD_PROPERTY(ForceAngle, (0.0));
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ADD_PROPERTY_TYPE(
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Direction,
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(nullptr),
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"ConstraintGear",
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(App::PropertyType)(App::Prop_None),
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"Element giving direction of gear force"
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);
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ADD_PROPERTY(Reversed, (0));
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ADD_PROPERTY_TYPE(
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DirectionVector,
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(Base::Vector3d(1, 1, 1).Normalize()),
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"ConstraintGear",
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App::PropertyType(App::Prop_ReadOnly | App::Prop_Output),
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"Direction of gear force"
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);
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naturalDirectionVector = Base::Vector3d(1, 1, 1).Normalize();
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}
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App::DocumentObjectExecReturn* ConstraintGear::execute()
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{
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return ConstraintBearing::execute();
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}
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void ConstraintGear::onChanged(const App::Property* prop)
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{
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ConstraintBearing::onChanged(prop);
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if (prop == &Direction) {
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Base::Vector3d direction = getDirection(Direction);
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if (direction.Length() < Precision::Confusion()) {
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return;
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}
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naturalDirectionVector = direction;
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if (Reversed.getValue()) {
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direction = -direction;
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}
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DirectionVector.setValue(direction);
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DirectionVector.touch();
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}
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else if (prop == &Reversed) {
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if (Reversed.getValue() && (DirectionVector.getValue() == naturalDirectionVector)) {
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DirectionVector.setValue(-naturalDirectionVector);
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DirectionVector.touch();
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}
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else if (!Reversed.getValue() && (DirectionVector.getValue() != naturalDirectionVector)) {
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DirectionVector.setValue(naturalDirectionVector);
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DirectionVector.touch();
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}
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}
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// The computation for the force angle is simpler in the ViewProvider directly
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}
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