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Diffstat (limited to 'src/imports/particles/gravityaffector.h')
-rw-r--r-- | src/imports/particles/gravityaffector.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/imports/particles/gravityaffector.h b/src/imports/particles/gravityaffector.h new file mode 100644 index 0000000000..004b59e182 --- /dev/null +++ b/src/imports/particles/gravityaffector.h @@ -0,0 +1,106 @@ +/**************************************************************************** +** +** 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 GRAVITYAFFECTOR_H +#define GRAVITYAFFECTOR_H +#include "particleaffector.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + + +class GravityAffector : public ParticleAffector +{ + Q_OBJECT + Q_PROPERTY(qreal acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged) + Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged) +public: + explicit GravityAffector(QSGItem *parent = 0); + qreal acceleration() const + { + return m_acceleration; + } + + qreal angle() const + { + return m_angle; + } +protected: + virtual bool affectParticle(ParticleData *d, qreal dt); +signals: + + void accelerationChanged(qreal arg); + + void angleChanged(qreal arg); + +public slots: +void setAcceleration(qreal arg) +{ + if (m_acceleration != arg) { + m_acceleration = arg; + emit accelerationChanged(arg); + } +} + +void setAngle(qreal arg) +{ + if (m_angle != arg) { + m_angle = arg; + emit angleChanged(arg); + } +} + +private slots: + void recalc(); +private: + qreal m_acceleration; + qreal m_angle; + + qreal m_xAcc; + qreal m_yAcc; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // GRAVITYAFFECTOR_H |