| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 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 "qscreenraycaster.h" |
| #include "qabstractraycaster_p.h" |
| #include <Qt3DCore/qentity.h> |
| #include <Qt3DCore/private/qcomponent_p.h> |
| #include <Qt3DCore/private/qscene_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| /*! |
| \class Qt3DRender::QScreenRayCaster |
| \brief Performe ray casting test based on screen coordinates. |
| \inmodule Qt3DRender |
| \since 5.11 |
| \inherits QAbstractRayCaster |
| |
| QScreenRayCaster can be used to perform ray casting tests by specifying coordinates in |
| screen space, which will be used to construct an actual 3D ray between the near and |
| far planes. |
| |
| \sa QRayCaster, QNoPicking |
| */ |
| /*! |
| \qmltype ScreenRayCaster |
| \brief Performe ray casting test based on screen coordinates. |
| \inqmlmodule Qt3D.Render |
| \since 5.11 |
| \instantiates Qt3DRender::QScreenRayCaster |
| |
| ScreenRayCaster can be used to perform ray casting tests by specifying coordinates in |
| screen space, which will be used to construct an actual 3D ray between the near and |
| far planes. |
| |
| \sa RayCaster, NoPicking |
| */ |
| |
| /*! |
| \property Qt3DRender::QScreenRayCaster::position |
| |
| Holds the screen space position used to compute the actual 3D ray for intersection tests. |
| |
| Note: the coordinates will be used for every available render surface as long as they are |
| in the valid range. |
| */ |
| /*! |
| \qmlproperty point Qt3D.Render::ScreenRayCaster::position |
| |
| Holds the length of the 3D ray. |
| |
| \note The coordinates will be used for every available render surface as long as they are |
| in the valid range. |
| */ |
| QScreenRayCaster::QScreenRayCaster(Qt3DCore::QNode *parent) |
| : QAbstractRayCaster(parent) |
| { |
| QAbstractRayCasterPrivate::get(this)->m_rayCasterType = QAbstractRayCasterPrivate::ScreenScapeRayCaster; |
| } |
| |
| /*! \internal */ |
| QScreenRayCaster::QScreenRayCaster(QAbstractRayCasterPrivate &dd, Qt3DCore::QNode *parent) |
| : QAbstractRayCaster(dd, parent) |
| { |
| QAbstractRayCasterPrivate::get(this)->m_rayCasterType = QAbstractRayCasterPrivate::ScreenScapeRayCaster; |
| } |
| |
| /*! \internal */ |
| QScreenRayCaster::~QScreenRayCaster() |
| { |
| } |
| |
| QPoint QScreenRayCaster::position() const |
| { |
| auto d = QAbstractRayCasterPrivate::get(this); |
| return d->m_position; |
| } |
| |
| void QScreenRayCaster::setPosition(const QPoint &position) |
| { |
| auto d = QAbstractRayCasterPrivate::get(this); |
| if (d->m_position != position) { |
| d->m_position = position; |
| emit positionChanged(d->m_position); |
| } |
| } |
| |
| /*! |
| Convenience method to enable the component and trigger tests using the current coordinate value. |
| */ |
| void QScreenRayCaster::trigger() |
| { |
| setEnabled(true); |
| } |
| |
| /*! |
| Convenience method to set the coordinate value \a position and enable the component to trigger tests. |
| */ |
| void QScreenRayCaster::trigger(const QPoint &position) |
| { |
| setPosition(position); |
| setEnabled(true); |
| } |
| |
| } // Qt3DRender |
| |
| QT_END_NAMESPACE |