| 1 | // Copyright (C) 2021 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QQUICK3DPARTICLETRAILEMITTER_H |
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| 5 | #define QQUICK3DPARTICLETRAILEMITTER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtQuick3DParticles/private/qquick3dparticleemitter_p.h> |
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| 19 | #include <QtQuick3DParticles/private/qquick3dparticle_p.h> |
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| 20 | #include <QtQuick3DParticles/private/qquick3dparticledata_p.h> |
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| 21 | #include <QQmlEngine> |
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| 22 | #include <QList> |
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| 23 | |
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| 24 | QT_BEGIN_NAMESPACE |
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| 25 | |
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| 26 | class Q_QUICK3DPARTICLES_EXPORT QQuick3DParticleTrailEmitter : public QQuick3DParticleEmitter |
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| 27 | { |
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| 28 | Q_OBJECT |
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| 29 | Q_PROPERTY(QQuick3DParticle *follow READ follow WRITE setFollow NOTIFY followChanged) |
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| 30 | QML_NAMED_ELEMENT(TrailEmitter3D) |
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| 31 | QML_ADDED_IN_VERSION(6, 2) |
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| 32 | |
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| 33 | public: |
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| 34 | QQuick3DParticleTrailEmitter(QQuick3DNode *parent = nullptr); |
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| 35 | |
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| 36 | QQuick3DParticle *follow() const; |
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| 37 | |
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| 38 | Q_INVOKABLE void burst(int count) override; |
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| 39 | |
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| 40 | public Q_SLOTS: |
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| 41 | void setFollow(QQuick3DParticle *follow); |
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| 42 | |
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| 43 | Q_SIGNALS: |
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| 44 | void followChanged(); |
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| 45 | |
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| 46 | protected: |
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| 47 | friend class QQuick3DParticleSystem; |
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| 48 | void emitTrailParticles(const QVector3D ¢erPos, int emitAmount, int triggerType); |
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| 49 | bool hasBursts() const; |
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| 50 | void clearBursts(); |
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| 51 | |
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| 52 | private: |
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| 53 | QQuick3DParticle *m_follow = nullptr; |
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| 54 | QList<QQuick3DParticleEmitBurstData> m_bursts; |
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| 55 | |
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| 56 | }; |
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| 57 | |
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| 58 | QT_END_NAMESPACE |
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| 59 | |
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| 60 | #endif // QQUICK3DPARTICLETRAILEMITTER_H |
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| 61 | |
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