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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef GRAVITYAFFECTOR_H
#define GRAVITYAFFECTOR_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquickparticleaffector_p.h"
#include <QtQml/qqml.h>
QT_BEGIN_NAMESPACE
class QQuickGravityAffector : public QQuickParticleAffector
{
Q_OBJECT
Q_PROPERTY(qreal magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
Q_PROPERTY(qreal acceleration READ magnitude WRITE setAcceleration NOTIFY magnitudeChanged)
Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
QML_NAMED_ELEMENT(Gravity)
QML_ADDED_IN_VERSION(2, 0)
public:
explicit QQuickGravityAffector(QQuickItem *parent = nullptr);
qreal magnitude() const;
qreal angle() const;
protected:
bool affectParticle(QQuickParticleData *d, qreal dt) override;
Q_SIGNALS:
void magnitudeChanged(qreal arg);
void angleChanged(qreal arg);
public Q_SLOTS:
void setMagnitude(qreal arg);
void setAcceleration(qreal arg);
void setAngle(qreal arg);
private:
qreal m_magnitude;
qreal m_angle;
bool m_needRecalc;
qreal m_dx;
qreal m_dy;
};
QT_END_NAMESPACE
#endif // GRAVITYAFFECTOR_H
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