/**************************************************************************** ** ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/legal ** ** This file is part of the QtQuick module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** 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 Digia. For licensing terms and ** conditions see http://qt.digia.com/licensing. For further information ** use the contact form at http://qt.digia.com/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 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Digia gives you certain additional ** rights. These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #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); signals: void factorChanged(qreal arg); void thresholdChanged(qreal arg); public slots: void setFactor(qreal arg) { if (m_factor != arg) { m_factor = arg; emit factorChanged(arg); } } void setThreshold(qreal arg) { if (m_threshold != arg) { m_threshold = arg; emit thresholdChanged(arg); } } private: qreal m_factor; qreal m_threshold; }; QT_END_NAMESPACE #endif // FRICTIONAFFECTOR_H