内容

• 特性
• 公共函数
• 公共槽
• 信号
• 详细描述

QCylinderGeometry Class

( Qt3DExtras::QCylinderGeometry )

QCylinderGeometry class allows creation of a cylinder in 3D space. 更多...

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

• 所有成员列表，包括继承成员

特性

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

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

• 1 特性继承自 Qt3DRender::QGeometry
• 3 特性继承自 Qt3DCore::QNode
• 1 特性继承自 QObject

公共函数

	QCylinderGeometry (QNode * parent = nullptr)
Qt3DRender::QAttribute *	indexAttribute () const
float	length () 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 ()

• 4 public functions inherited from Qt3DRender::QGeometry
• 11 public functions inherited from Qt3DCore::QNode
• 32 公共函数继承自 QObject

公共槽

void	setLength (float length )
void	setRadius (float radius )
void	setRings (int rings )
void	setSlices (int slices )

• 1 公共槽继承自 Qt3DRender::QGeometry
• 3 公共槽继承自 Qt3DCore::QNode
• 1 公共槽继承自 QObject

信号

void	lengthChanged (float length )
void	radiusChanged (float radius )
void	ringsChanged (int rings )
void	slicesChanged (int slices )

• 1 信号继承自 Qt3DRender::QGeometry
• 4 信号继承自 Qt3DCore::QNode
• 2 信号继承自 QObject

额外继承成员

• 11 静态公共成员继承自 QObject
• 2 protected functions inherited from Qt3DCore::QNode
• 9 保护函数继承自 QObject

详细描述

QCylinderGeometry class allows creation of a cylinder in 3D space.

QCylinderGeometry class is most commonly used internally by the QCylinderMesh 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

length : float

Holds the length of the cylinder.

访问函数：

float	length () const
void	setLength (float length )

通知程序信号：

void	lengthChanged (float length )

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 cylinder.

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 cylinder.

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 cylinder.

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

QCylinderGeometry:: QCylinderGeometry ( QNode * parent = nullptr)

构造新的 QCylinderMesh with parent .

void QCylinderGeometry:: updateIndices ()

Updates the indices based on rings, slices, and length properties.

void QCylinderGeometry:: updateVertices ()

Updates the vertices based on rings, slices, and length properties.