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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 ATTRACTORAFFECTOR_H
-#define ATTRACTORAFFECTOR_H
-#include "qquickparticleaffector_p.h"
-
-QT_BEGIN_HEADER
-
-QT_BEGIN_NAMESPACE
-
-QT_MODULE(Declarative)
-
-class QQuickAttractorAffector : public QQuickParticleAffector
-{
- Q_OBJECT
- Q_PROPERTY(qreal strength READ strength WRITE setStrength NOTIFY strengthChanged)
- Q_PROPERTY(qreal pointX READ pointX WRITE setPointX NOTIFY pointXChanged)
- Q_PROPERTY(qreal pointY READ pointY WRITE setPointY NOTIFY pointYChanged)
- Q_PROPERTY(AffectableParameters affectedParameter READ affectedParameter WRITE setAffectedParameter NOTIFY affectedParameterChanged)
- Q_PROPERTY(Proportion proportionalToDistance READ proportionalToDistance WRITE setProportionalToDistance NOTIFY proportionalToDistanceChanged)
- Q_ENUMS(AffectableParameters)
- Q_ENUMS(Proportion)
-
-public:
- enum Proportion{
- Constant,
- Linear,
- Quadratic,
- InverseLinear,
- InverseQuadratic
- };
-
- enum AffectableParameters {
- Position,
- Velocity,
- Acceleration
- };
-
- explicit QQuickAttractorAffector(QQuickItem *parent = 0);
-
- qreal strength() const
- {
- return m_strength;
- }
-
- qreal pointX() const
- {
- return m_x;
- }
-
- qreal pointY() const
- {
- return m_y;
- }
-
- AffectableParameters affectedParameter() const
- {
- return m_physics;
- }
-
- Proportion proportionalToDistance() const
- {
- return m_proportionalToDistance;
- }
-
-signals:
-
- void strengthChanged(qreal arg);
-
- void pointXChanged(qreal arg);
-
- void pointYChanged(qreal arg);
-
- void affectedParameterChanged(AffectableParameters arg);
-
- void proportionalToDistanceChanged(Proportion arg);
-
-public slots:
-void setStrength(qreal arg)
-{
- if (m_strength != arg) {
- m_strength = arg;
- emit strengthChanged(arg);
- }
-}
-
-void setPointX(qreal arg)
-{
- if (m_x != arg) {
- m_x = arg;
- emit pointXChanged(arg);
- }
-}
-
-void setPointY(qreal arg)
-{
- if (m_y != arg) {
- m_y = arg;
- emit pointYChanged(arg);
- }
-}
-void setAffectedParameter(AffectableParameters arg)
-{
- if (m_physics != arg) {
- m_physics = arg;
- emit affectedParameterChanged(arg);
- }
-}
-
-void setProportionalToDistance(Proportion arg)
-{
- if (m_proportionalToDistance != arg) {
- m_proportionalToDistance = arg;
- emit proportionalToDistanceChanged(arg);
- }
-}
-
-protected:
- virtual bool affectParticle(QQuickParticleData *d, qreal dt);
-private:
-qreal m_strength;
-qreal m_x;
-qreal m_y;
-AffectableParameters m_physics;
-Proportion m_proportionalToDistance;
-};
-
-QT_END_NAMESPACE
-QT_END_HEADER
-#endif // ATTRACTORAFFECTOR_H