Revision control
++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++ #ifndef QQUICK3DPARTICLEGRAVITY_H
++ #define QQUICK3DPARTICLEGRAVITY_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 <QObject>
++ #include <QtQuick3DParticles/private/qquick3dparticleaffector_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_QUICK3DPARTICLES_EXPORT QQuick3DParticleGravity : public QQuick3DParticleAffector
++ {
++ Q_OBJECT
++ Q_PROPERTY(float magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
++ Q_PROPERTY(QVector3D direction READ direction WRITE setDirection NOTIFY directionChanged)
++ QML_NAMED_ELEMENT(Gravity3D)
++ QML_ADDED_IN_VERSION(6, 2)
++
++ public:
++ QQuick3DParticleGravity(QQuick3DNode *parent = nullptr);
++
++ float magnitude() const;
++ const QVector3D &direction() const;
++
++ public Q_SLOTS:
++ void setDirection(const QVector3D &direction);
++ void setMagnitude(float magnitude);
++
++ Q_SIGNALS:
++ void magnitudeChanged();
++ void directionChanged();
++
++ protected:
++ void affectParticle(const QQuick3DParticleData &sd, QQuick3DParticleDataCurrent *d, float time) override;
++
++ private:
++ float m_magnitude = 100.0f;
++ QVector3D m_direction = {0.0f, -1.0f, 0.0f};
++ QVector3D m_directionNormalized = {0.0f, -1.0f, 0.0f};
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QQUICK3DPARTICLEGRAVITY_H