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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qproximityfilter.h"
#include "qproximityfilter_p.h"
#include <Qt3DCore/qentity.h>
#include <Qt3DRender/qframegraphnodecreatedchange.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
\instantiates 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);
}
Qt3DCore::QNodeCreatedChangeBasePtr QProximityFilter::createNodeCreationChange() const
{
auto creationChange = QFrameGraphNodeCreatedChangePtr<QProximityFilterData>::create(this);
QProximityFilterData &data = creationChange->data;
Q_D(const QProximityFilter);
data.entityId = Qt3DCore::qIdForNode(d->m_entity);
data.distanceThreshold = d->m_distanceThreshold;
return creationChange;
}
} // Qt3DRender
QT_END_NAMESPACE
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