QSphereGeometry Class

class Qt3DExtras ::QSphereGeometry

The QSphereGeometry class allows creation of a sphere in 3D space. 更多...

头：	#include <Qt3DExtras/QSphereGeometry>
qmake:	QT += 3dextras
Since:	Qt 5.7
实例化：	SphereGeometry
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

generateTangents : bool
indexAttribute : Qt3DRender::QAttribute* const
normalAttribute : Qt3DRender::QAttribute* const
positionAttribute : Qt3DRender::QAttribute* const
radius : float

rings : int
slices : int
tangentAttribute : Qt3DRender::QAttribute* const
texCoordAttribute : Qt3DRender::QAttribute* const

公共函数

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

公共槽

void	setGenerateTangents (bool gen )
void	setRadius (float radius )
void	setRings (int rings )
void	setSlices (int slices )

信号

void	generateTangentsChanged (bool generateTangents )
void	radiusChanged (float radius )
void	ringsChanged (int rings )
void	slicesChanged (int slices )

详细描述

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

特性文档编制

generateTangents : bool

Holds the value of the automatic tangent vectors generation flag. Tangent vectors are orthogonal to normal vectors.

访问函数：

bool	generateTangents () const
void	setGenerateTangents (bool gen )

通知程序信号：

void	generateTangentsChanged (bool generateTangents )

indexAttribute : Qt3DRender::QAttribute * const

Holds the geometry index attribute.

访问函数：

Qt3DRender::QAttribute *

indexAttribute () const

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 radius of the sphere.

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 sphere.

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 sphere.

访问函数：

int	slices () const
void	setSlices (int slices )

通知程序信号：

void	slicesChanged (int slices )

tangentAttribute : Qt3DRender::QAttribute * const

Holds the geometry tangent attribute.

访问函数：

Qt3DRender::QAttribute *

tangentAttribute () const

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

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

Constructs a new QSphereGeometry with parent .

void QSphereGeometry:: updateIndices ()

Updates indices based on rings and slices properties.

void QSphereGeometry:: updateVertices ()

Updates vertices based on rings, slices, and radius properties