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-/****************************************************************************
-**
-** 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 WANDERAFFECTOR_H
-#define WANDERAFFECTOR_H
-#include <QHash>
-#include "qquickparticleaffector_p.h"
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-
-struct WanderData{
- qreal x_vel;
- qreal y_vel;
- qreal x_peak;
- qreal x_var;
- qreal y_peak;
- qreal y_var;
-};
-
-class QQuickWanderAffector : public QQuickParticleAffector
-{
- Q_OBJECT
- Q_PROPERTY(qreal pace READ pace WRITE setPace NOTIFY paceChanged)
- Q_PROPERTY(qreal xVariance READ xVariance WRITE setXVariance NOTIFY xVarianceChanged)
- Q_PROPERTY(qreal yVariance READ yVariance WRITE setYVariance NOTIFY yVarianceChanged)
- Q_PROPERTY(AffectableParameters affectedParameter READ affectedParameter WRITE setAffectedParameter NOTIFY affectedParameterChanged)
- Q_ENUMS(AffectableParameters)
-
-public:
- enum AffectableParameters {
- Position,
- Velocity,
- Acceleration
- };
-
- explicit QQuickWanderAffector(QQuickItem *parent = 0);
- ~QQuickWanderAffector();
- virtual void reset(int systemIdx);
-
- qreal xVariance() const
- {
- return m_xVariance;
- }
-
- qreal yVariance() const
- {
- return m_yVariance;
- }
-
- qreal pace() const
- {
- return m_pace;
- }
-
- AffectableParameters affectedParameter() const
- {
- return m_affectedParameter;
- }
-
-protected:
- virtual bool affectParticle(QQuickParticleData *d, qreal dt);
-signals:
-
- void xVarianceChanged(qreal arg);
-
- void yVarianceChanged(qreal arg);
-
- void paceChanged(qreal arg);
-
-
- void affectedParameterChanged(AffectableParameters arg);
-
-public slots:
-void setXVariance(qreal arg)
-{
- if (m_xVariance != arg) {
- m_xVariance = arg;
- emit xVarianceChanged(arg);
- }
-}
-
-void setYVariance(qreal arg)
-{
- if (m_yVariance != arg) {
- m_yVariance = arg;
- emit yVarianceChanged(arg);
- }
-}
-
-void setPace(qreal arg)
-{
- if (m_pace != arg) {
- m_pace = arg;
- emit paceChanged(arg);
- }
-}
-
-
-void setAffectedParameter(AffectableParameters arg)
-{
- if (m_affectedParameter != arg) {
- m_affectedParameter = arg;
- emit affectedParameterChanged(arg);
- }
-}
-
-private:
- WanderData* getData(int idx);
- QHash<int, WanderData*> m_wanderData;
- qreal m_xVariance;
- qreal m_yVariance;
- qreal m_pace;
- AffectableParameters m_affectedParameter;
-};
-
-QT_END_NAMESPACE
-QT_END_HEADER
-#endif // WANDERAFFECTOR_H