Revision control
++ // Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include "qproximityfilter.h"
++ #include "qproximityfilter_p.h"
++ #include <Qt3DCore/qentity.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DRender {
++
++ QProximityFilterPrivate::QProximityFilterPrivate()
++ : QFrameGraphNodePrivate()
++ , m_entity(nullptr)
++ , m_distanceThreshold(0.0f)
++ {
++ }
++
++ /*!
++ \class Qt3DRender::QProximityFilter
++ \inmodule Qt3DRender
++ \since 5.10
++
++ \brief Select entities which are within a distance threshold of a target
++ entity.
++
++ A \l Qt3DRender::QProximityFilter can be used to select entities to render
++ when they are placed within a given distance threshold of another entity.
++ */
++
++ /*!
++ \property Qt3DRender::QProximityFilter::entity
++
++ Holds the entity against which we should compare the distance to.
++ */
++
++ /*!
++ \property Qt3DRender::QProximityFilter::distanceThreshold
++
++ Holds the distance to the target entity above which entities are filtered
++ out.
++ */
++
++ /*!
++ \qmltype ProximityFilter
++ \nativetype Qt3DRender::QProximityFilter
++ \inherits FrameGraphNode
++ \inqmlmodule Qt3D.Render
++ \since 5.10
++
++ \brief Select entities which are within a distance threshold of a target
++ entity.
++
++ A \l ProximityFilter can be used to select entities to render
++ when they are placed within a given distance threshold of another entity.
++
++ \badcode
++ import Qt3DRender 2.10
++ ...
++ RenderSetting {
++ Viewport {
++ CameraSelector {
++ camera: mainCamera
++ ProximityFilter {
++ entity: mainCamera
++ distanceThreshold: 50 // select entities within 50m metre radius of mainCamera
++ }
++ }
++ }
++ }
++ \endcode
++ */
++
++ /*!
++ \qmlproperty Entity Qt3D.Render::ProximityFilter::entity
++
++ Holds the entity against which we should compare the distance to.
++ */
++
++ /*!
++ \qmlproperty real Qt3D.Render::ProximityFilter::distanceThreshold
++
++ Holds the distance to the target entity above which entities are filtered
++ out.
++ */
++
++
++ QProximityFilter::QProximityFilter(Qt3DCore::QNode *parent)
++ : QFrameGraphNode(*new QProximityFilterPrivate, parent)
++ {
++
++ }
++
++ /*! \internal */
++ QProximityFilter::QProximityFilter(QProximityFilterPrivate &dd, QNode *parent)
++ : QFrameGraphNode(dd, parent)
++ {
++ }
++
++ /*! \internal */
++ QProximityFilter::~QProximityFilter()
++ {
++ }
++
++ Qt3DCore::QEntity *QProximityFilter::entity() const
++ {
++ Q_D(const QProximityFilter);
++ return d->m_entity;
++ }
++
++ float QProximityFilter::distanceThreshold() const
++ {
++ Q_D(const QProximityFilter);
++ return d->m_distanceThreshold;
++ }
++
++ void QProximityFilter::setEntity(Qt3DCore::QEntity *entity)
++ {
++ Q_D(QProximityFilter);
++ if (d->m_entity != entity) {
++
++ if (d->m_entity)
++ d->unregisterDestructionHelper(d->m_entity);
++
++ if (entity && !entity->parent())
++ entity->setParent(this);
++
++ d->m_entity = entity;
++
++ if (d->m_entity)
++ d->registerDestructionHelper(d->m_entity, &QProximityFilter::setEntity, d->m_entity);
++
++ emit entityChanged(entity);
++ }
++ }
++
++ void QProximityFilter::setDistanceThreshold(float distanceThreshold)
++ {
++ Q_D(QProximityFilter);
++ if (d->m_distanceThreshold == distanceThreshold)
++ return;
++
++ d->m_distanceThreshold = distanceThreshold;
++ emit distanceThresholdChanged(distanceThreshold);
++ }
++
++ } // Qt3DRender
++
++ QT_END_NAMESPACE
++
++ #include "moc_qproximityfilter.cpp"