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Diffstat (limited to 'src/imports/particles/turbulenceaffector.h')
-rw-r--r-- | src/imports/particles/turbulenceaffector.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/imports/particles/turbulenceaffector.h b/src/imports/particles/turbulenceaffector.h new file mode 100644 index 0000000000..2dc2ddcdfd --- /dev/null +++ b/src/imports/particles/turbulenceaffector.h @@ -0,0 +1,125 @@ +/**************************************************************************** +** +** 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 TURBULENCEAFFECTOR_H +#define TURBULENCEAFFECTOR_H +#include "particleaffector.h" +#include <QDeclarativeListProperty> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + + +class ParticleType; + +class TurbulenceAffector : public ParticleAffector +{ + Q_OBJECT + Q_PROPERTY(int strength READ strength WRITE setStrength NOTIFY strengthChanged) + Q_PROPERTY(int frequency READ frequency WRITE setFrequency NOTIFY frequencyChanged) + Q_PROPERTY(int gridSize READ size WRITE setSize NOTIFY sizeChanged) +public: + explicit TurbulenceAffector(QSGItem *parent = 0); + ~TurbulenceAffector(); + virtual void affectSystem(qreal dt); + + int strength() const + { + return m_strength; + } + + int frequency() const + { + return m_frequency; + } + + int size() const + { + return m_gridSize; + } + +signals: + + void strengthChanged(int arg); + + void frequencyChanged(int arg); + + void sizeChanged(int arg); + +public slots: + +void setStrength(int arg) +{ + if (m_strength != arg) { + m_strength = arg; + emit strengthChanged(arg); + } +} + +void setFrequency(int arg) +{ + if (m_frequency != arg) { + m_frequency = arg; + emit frequencyChanged(arg); + } +} + +void setSize(int arg); + +private: + void ensureInit(); + void mapUpdate(); + int m_strength; + qreal m_lastT; + int m_frequency; + int m_gridSize; + QPointF** m_field; + QPointF m_spacing; + qreal m_magSum; + bool m_inited; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // TURBULENCEAFFECTOR_H |