QScreenRayCaster Class

(Qt3DRender::QScreenRayCaster)

Performe ray casting test based on screen coordinates More...

Header: #include <QScreenRayCaster>
qmake: QT += 3drender
Since: Qt 5.11
Instantiated By: ScreenRayCaster
Inherits: Qt3DRender::QAbstractRayCaster

Properties

Public Functions

QScreenRayCaster(Qt3DCore::QNode *parent = nullptr)
QPoint position() const

Public Slots

void setPosition(const QPoint &position)
void trigger()
void trigger(const QPoint &position)

Signals

void positionChanged(const QPoint &position)

Detailed Description

Performe ray casting test based on screen coordinates

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.

See also QRayCaster.

Property Documentation

position : QPoint

Access functions:

QPoint position() const
void setPosition(const QPoint &position)

Notifier signal:

void positionChanged(const QPoint &position)

Member Function Documentation

QScreenRayCaster::QScreenRayCaster(Qt3DCore::QNode *parent = nullptr)

Default constructs an instance of QScreenRayCaster.

[slot] void QScreenRayCaster::trigger()

Convenience method to enable the component and trigger tests using the current coordinate value

[slot] void QScreenRayCaster::trigger(const QPoint &position)

Convenience method to set the coordinate value and enable the component to trigger tests