QDirectionalLight Class

class Qt3DRender ::QDirectionalLight

Encapsulate a Directional Light object in a Qt 3D scene. 更多...

头：	#include <QDirectionalLight>
qmake:	QT += 3drender
Since:	Qt 5.7
实例化：	DirectionalLight
继承：	Qt3DRender::QAbstractLight

该类在 Qt 5.7 引入。

所有成员列表，包括继承成员

特性

worldDirection : QVector3D

公共函数

	QDirectionalLight (Qt3DCore::QNode * parent = nullptr)
QVector3D	worldDirection () const

公共槽

void	setWorldDirection (const QVector3D & worldDirection )

信号

void	worldDirectionChanged (const QVector3D & worldDirection )

详细描述

A directional light is a light source that behaves similar to sunlight. The light from a directional light hits all objects from the same direction and with the same intensity, regardless of where they are in the scene.

特性文档编制

worldDirection : QVector3D

Specifies the world direction of the directional light.

注意： The exact meaning and use of this property is up to the material implementation.

访问函数：

QVector3D	worldDirection () const
void	setWorldDirection (const QVector3D & worldDirection )

通知程序信号：

void	worldDirectionChanged (const QVector3D & worldDirection )

成员函数文档编制

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

Constructs a new QDirectionalLight with the specified parent .