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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QQUICK3DPARTICLEMODELPARTICLE_H
#define QQUICK3DPARTICLEMODELPARTICLE_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 <QColor>
#include <QVector4D>
#include <QtQuick3D/private/qquick3dnode_p.h>
#include <QtQuick3D/private/qquick3dmodel_p.h>
#include <QtQuick3D/qquick3dinstancing.h>
#include <QtQuick3DParticles/private/qquick3dparticle_p.h>
#include <QtQuick3DParticles/private/qquick3dparticlesystem_p.h>
#include <QtQuick3DParticles/private/qquick3dparticledata_p.h>
#include <QtCore/qpointer.h>
QT_BEGIN_NAMESPACE
class QQmlInstanceModel;
class QQmlChangeSet;
class QQuick3DParticleInstanceTable;
class Q_QUICK3DPARTICLES_EXPORT QQuick3DParticleModelParticle : public QQuick3DParticle
{
Q_OBJECT
Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_PROPERTY(QQuick3DInstancing *instanceTable READ instanceTable NOTIFY instanceTableChanged)
QML_NAMED_ELEMENT(ModelParticle3D)
Q_CLASSINFO("DefaultProperty", "delegate")
QML_ADDED_IN_VERSION(6, 2)
public:
QQuick3DParticleModelParticle(QQuick3DNode *parent = nullptr);
QQmlComponent *delegate() const;
QQuick3DInstancing *instanceTable() const;
public Q_SLOTS:
void setDelegate(QQmlComponent *delegate);
Q_SIGNALS:
void delegateChanged();
void instanceTableChanged();
protected:
void componentComplete() override;
void itemChange(ItemChange change, const ItemChangeData &value) override;
void setDepthBias(float bias) override
{
QQuick3DParticle::setDepthBias(bias);
if (m_node)
updateDepthBias(bias);
}
private:
void regenerate();
void handleMaxAmountChanged(int amount);
void handleSortModeChanged(QQuick3DParticle::SortMode mode);
friend class QQuick3DParticleSystem;
friend class QQuick3DParticleEmitter;
void clearInstanceTable();
void addInstance(const QVector3D &position, const QVector3D &scale,
const QVector3D &eulerRotation, const QColor &color,
float age);
void commitInstance();
void updateDepthBias(float bias);
QPointer<QQmlComponent> m_delegate;
QPointer<QQuick3DNode> m_node;
QQuick3DParticleInstanceTable *m_instanceTable = nullptr;
QVector3D m_initialScale;
};
QT_END_NAMESPACE
#endif // QQUICK3DPARTICLEMODELPARTICLE_H
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