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Diffstat (limited to 'src/quick/particles/qquickcustomaffector_p.h')
-rw-r--r-- | src/quick/particles/qquickcustomaffector_p.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/src/quick/particles/qquickcustomaffector_p.h b/src/quick/particles/qquickcustomaffector_p.h new file mode 100644 index 0000000000..740b0a6773 --- /dev/null +++ b/src/quick/particles/qquickcustomaffector_p.h @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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. +** +** 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef CUSTOMAFFECTOR_H +#define CUSTOMAFFECTOR_H + +#include <QObject> +#include "qquickparticlesystem_p.h" +#include "qquickparticleextruder_p.h" +#include "qquickparticleaffector_p.h" +#include "qquickdirection_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +class QQuickCustomAffector : public QQuickParticleAffector +{ + Q_OBJECT + Q_PROPERTY(bool relative READ relative WRITE setRelative NOTIFY relativeChanged) + Q_PROPERTY(QQuickDirection *position READ position WRITE setPosition NOTIFY positionChanged RESET positionReset) + Q_PROPERTY(QQuickDirection *speed READ speed WRITE setSpeed NOTIFY speedChanged RESET speedReset) + Q_PROPERTY(QQuickDirection *acceleration READ acceleration WRITE setAcceleration NOTIFY accelerationChanged RESET accelerationReset) + +public: + explicit QQuickCustomAffector(QQuickItem *parent = 0); + virtual void affectSystem(qreal dt); + + QQuickDirection * position() const + { + return m_position; + } + + QQuickDirection * speed() const + { + return m_speed; + } + + QQuickDirection * acceleration() const + { + return m_acceleration; + } + + void positionReset() + { + m_position = &m_nullVector; + } + + void speedReset() + { + m_speed = &m_nullVector; + } + + void accelerationReset() + { + m_acceleration = &m_nullVector; + } + + bool relative() const + { + return m_relative; + } + + +signals: + void affectParticles(QDeclarativeV8Handle particles, qreal dt); + + void positionChanged(QQuickDirection * arg); + + void speedChanged(QQuickDirection * arg); + + void accelerationChanged(QQuickDirection * arg); + + void relativeChanged(bool arg); + +public slots: + void setPosition(QQuickDirection * arg) + { + if (m_position != arg) { + m_position = arg; + emit positionChanged(arg); + } + } + + void setSpeed(QQuickDirection * arg) + { + if (m_speed != arg) { + m_speed = arg; + emit speedChanged(arg); + } + } + + void setAcceleration(QQuickDirection * arg) + { + if (m_acceleration != arg) { + m_acceleration = arg; + emit accelerationChanged(arg); + } + } + + void setRelative(bool arg) + { + if (m_relative != arg) { + m_relative = arg; + emit relativeChanged(arg); + } + } + +protected: + bool isAffectConnected(); + virtual bool affectParticle(QQuickParticleData *d, qreal dt); +private: + void affectProperties(const QList<QQuickParticleData*> particles, qreal dt); + QQuickDirection * m_position; + QQuickDirection * m_speed; + QQuickDirection * m_acceleration; + + QQuickDirection m_nullVector; + bool m_relative; +}; + +QT_END_NAMESPACE +QT_END_HEADER +#endif // CUSTOMAFFECTOR_H |