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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef FRICTIONAFFECTOR_H
#define FRICTIONAFFECTOR_H
#include "qquickparticleaffector_p.h"
QT_BEGIN_NAMESPACE
class QQuickFrictionAffector : public QQuickParticleAffector
{
Q_OBJECT
Q_PROPERTY(qreal factor READ factor WRITE setFactor NOTIFY factorChanged)
Q_PROPERTY(qreal threshold READ threshold WRITE setThreshold NOTIFY thresholdChanged)
public:
explicit QQuickFrictionAffector(QQuickItem *parent = 0);
qreal factor() const
{
return m_factor;
}
qreal threshold() const
{
return m_threshold;
}
protected:
virtual bool affectParticle(QQuickParticleData *d, qreal dt);
Q_SIGNALS:
void factorChanged(qreal arg);
void thresholdChanged(qreal arg);
public Q_SLOTS:
void setFactor(qreal arg)
{
if (m_factor != arg) {
m_factor = arg;
Q_EMIT factorChanged(arg);
}
}
void setThreshold(qreal arg)
{
if (m_threshold != arg) {
m_threshold = arg;
Q_EMIT thresholdChanged(arg);
}
}
private:
qreal m_factor;
qreal m_threshold;
};
QT_END_NAMESPACE
#endif // FRICTIONAFFECTOR_H
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