/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the Declarative module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** 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, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef FRICTIONAFFECTOR_H #define FRICTIONAFFECTOR_H #include "particleaffector.h" QT_BEGIN_HEADER QT_BEGIN_NAMESPACE QT_MODULE(Declarative) class FrictionAffector : public ParticleAffector { Q_OBJECT Q_PROPERTY(qreal factor READ factor WRITE setFactor NOTIFY factorChanged) public: explicit FrictionAffector(QSGItem *parent = 0); qreal factor() const { return m_factor; } protected: virtual bool affectParticle(ParticleData *d, qreal dt); signals: void factorChanged(qreal arg); public slots: void setFactor(qreal arg) { if (m_factor != arg) { m_factor = arg; emit factorChanged(arg); } } private: qreal m_factor; }; QT_END_NAMESPACE QT_END_HEADER #endif // FRICTIONAFFECTOR_H