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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QQUICK3DPARTICLETRAILEMITTER_H
#define QQUICK3DPARTICLETRAILEMITTER_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 <QtQuick3DParticles/private/qquick3dparticleemitter_p.h>
#include <QtQuick3DParticles/private/qquick3dparticle_p.h>
#include <QtQuick3DParticles/private/qquick3dparticledata_p.h>
#include <QQmlEngine>
#include <QList>
QT_BEGIN_NAMESPACE
class Q_QUICK3DPARTICLES_EXPORT QQuick3DParticleTrailEmitter : public QQuick3DParticleEmitter
{
Q_OBJECT
Q_PROPERTY(QQuick3DParticle *follow READ follow WRITE setFollow NOTIFY followChanged)
QML_NAMED_ELEMENT(TrailEmitter3D)
QML_ADDED_IN_VERSION(6, 2)
public:
QQuick3DParticleTrailEmitter(QQuick3DNode *parent = nullptr);
QQuick3DParticle *follow() const;
Q_INVOKABLE void burst(int count) override;
public Q_SLOTS:
void setFollow(QQuick3DParticle *follow);
Q_SIGNALS:
void followChanged();
protected:
friend class QQuick3DParticleSystem;
void emitTrailParticles(const QVector3D ¢erPos, int emitAmount, int triggerType, const QVector3D &normal, const QVector3D &velocity);
bool hasBursts() const;
void clearBursts();
private:
QQuick3DParticle *m_follow = nullptr;
QList<QQuick3DParticleEmitBurstData> m_bursts;
};
QT_END_NAMESPACE
#endif // QQUICK3DPARTICLETRAILEMITTER_H
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