QTorusGeometry Class

class Qt3DExtras ::QTorusGeometry

The QTorusGeometry class allows creation of a torus in 3D space. 更多...

头：	#include <Qt3DExtras/QTorusGeometry>
qmake:	QT += 3dextras
Since:	Qt 5.7
实例化：	TorusGeometry
继承：	Qt3DRender::QGeometry

该类在 Qt 5.7 引入。

所有成员列表，包括继承成员

特性

indexAttribute : Qt3DRender::QAttribute* const
minorRadius : float
normalAttribute : Qt3DRender::QAttribute* const
positionAttribute : Qt3DRender::QAttribute* const

radius : float
rings : int
slices : int
texCoordAttribute : Qt3DRender::QAttribute* const

公共函数

	QTorusGeometry (Qt3DCore::QNode * parent = nullptr)
Qt3DRender::QAttribute *	indexAttribute () const
float	minorRadius () const
Qt3DRender::QAttribute *	normalAttribute () const
Qt3DRender::QAttribute *	positionAttribute () const
float	radius () const
int	rings () const
int	slices () const
Qt3DRender::QAttribute *	texCoordAttribute () const
void	updateIndices ()
void	updateVertices ()

公共槽

void	setMinorRadius (float minorRadius )
void	setRadius (float radius )
void	setRings (int rings )
void	setSlices (int slices )

信号

void	minorRadiusChanged (float minorRadius )
void	radiusChanged (float radius )
void	ringsChanged (int rings )
void	slicesChanged (int slices )

详细描述

The QTorusGeometry class is most commonly used internally by the QTorusMesh but can also be used in custom Qt3DRender::QGeometryRenderer 子类。

特性文档编制

indexAttribute : Qt3DRender::QAttribute * const

Holds the geometry index attribute.

访问函数：

Qt3DRender::QAttribute *

indexAttribute () const

minorRadius : float

Holds the inner radius of the torus.

访问函数：

float	minorRadius () const
void	setMinorRadius (float minorRadius )

通知程序信号：

void	minorRadiusChanged (float minorRadius )

normalAttribute : Qt3DRender::QAttribute * const

Holds the geometry normal attribute.

访问函数：

Qt3DRender::QAttribute *

normalAttribute () const

positionAttribute : Qt3DRender::QAttribute * const

Holds the geometry position attribute.

访问函数：

Qt3DRender::QAttribute *

positionAttribute () const

radius : float

Holds the outer radius of the torus.

访问函数：

float	radius () const
void	setRadius (float radius )

通知程序信号：

void	radiusChanged (float radius )

rings : int

Holds the number of rings in the torus.

访问函数：

int	rings () const
void	setRings (int rings )

通知程序信号：

void	ringsChanged (int rings )

slices : int

Holds the number of slices in the torus.

访问函数：

int	slices () const
void	setSlices (int slices )

通知程序信号：

void	slicesChanged (int slices )

texCoordAttribute : Qt3DRender::QAttribute * const

Holds the geometry texture coordinate attribute.

访问函数：

Qt3DRender::QAttribute *

texCoordAttribute () const

成员函数文档编制

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

Constructs a new QTorusGeometry with parent .

void QTorusGeometry:: updateIndices ()

Updates indices based on rings and slices properties.

void QTorusGeometry:: updateVertices ()

Updates vertices based on rings, slices, and radius properties.