QConeGeometry Class

class Qt3DExtras ::QConeGeometry

The QConeGeometry class allows creation of a cone in 3D space. 更多...

头：	#include <Qt3DExtras/QConeGeometry>
CMake:	find_package(Qt6 REQUIRED COMPONENTS 3dextras) target_link_libraries(mytarget PRIVATE Qt6::3dextras)
qmake:	QT += 3dextras
实例化：	ConeGeometry
继承：	Qt3DCore::QGeometry

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特性

bottomRadius : float hasBottomEndcap : bool hasTopEndcap : bool indexAttribute : Qt3DCore::QAttribute* const length : float normalAttribute : Qt3DCore::QAttribute* const

positionAttribute : Qt3DCore::QAttribute* const rings : int slices : int texCoordAttribute : Qt3DCore::QAttribute* const topRadius : float

公共函数

float	bottomRadius () const
bool	hasBottomEndcap () const
bool	hasTopEndcap () const
Qt3DCore::QAttribute *	indexAttribute () const
float	length () const
Qt3DCore::QAttribute *	normalAttribute () const
Qt3DCore::QAttribute *	positionAttribute () const
int	rings () const
int	slices () const
Qt3DCore::QAttribute *	texCoordAttribute () const
float	topRadius () const
void	updateIndices ()
void	updateVertices ()

公共槽

void	setBottomRadius (float bottomRadius )
void	setHasBottomEndcap (bool hasBottomEndcap )
void	setHasTopEndcap (bool hasTopEndcap )
void	setLength (float length )
void	setRings (int rings )
void	setSlices (int slices )
void	setTopRadius (float topRadius )

信号

void	bottomRadiusChanged (float bottomRadius )
void	hasBottomEndcapChanged (bool hasBottomEndcap )
void	hasTopEndcapChanged (bool hasTopEndcap )
void	lengthChanged (float length )
void	ringsChanged (int rings )
void	slicesChanged (int slices )
void	topRadiusChanged (float topRadius )

详细描述

The QConeGeometry class is most commonly used internally by the QConeMesh but can also be used in custom Qt3DRender::QGeometryRenderer subclasses. The class allows for creation of both a cone and a truncated cone.

特性文档编制

bottomRadius : float

Holds the bottom radius of the cone.

访问函数：

float	bottomRadius () const
void	setBottomRadius (float bottomRadius )

通知程序信号：

void	bottomRadiusChanged (float bottomRadius )

hasBottomEndcap : bool

Determines if the cone bottom is capped or open.

访问函数：

bool	hasBottomEndcap () const
void	setHasBottomEndcap (bool hasBottomEndcap )

通知程序信号：

void	hasBottomEndcapChanged (bool hasBottomEndcap )

hasTopEndcap : bool

Determines if the cone top is capped or open.

访问函数：

bool	hasTopEndcap () const
void	setHasTopEndcap (bool hasTopEndcap )

通知程序信号：

void	hasTopEndcapChanged (bool hasTopEndcap )

[read-only] indexAttribute : Qt3DCore::QAttribute * const

Holds the geometry index attribute.

访问函数：

Qt3DCore::QAttribute *

indexAttribute () const

length : float

Holds the length of the cone.

访问函数：

float	length () const
void	setLength (float length )

通知程序信号：

void	lengthChanged (float length )

[read-only] normalAttribute : Qt3DCore::QAttribute * const

Holds the geometry normal attribute.

访问函数：

Qt3DCore::QAttribute *

normalAttribute () const

[read-only] positionAttribute : Qt3DCore::QAttribute * const

Holds the geometry position attribute.

访问函数：

Qt3DCore::QAttribute *

positionAttribute () const

rings : int

Holds the number of rings in the geometry.

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 geometry.

访问函数：

int	slices () const
void	setSlices (int slices )

通知程序信号：

void	slicesChanged (int slices )

[read-only] texCoordAttribute : Qt3DCore::QAttribute * const

Holds the geometry texture coordinate attribute.

访问函数：

Qt3DCore::QAttribute *

texCoordAttribute () const

topRadius : float

Holds the top radius of the cone.

访问函数：

float	topRadius () const
void	setTopRadius (float topRadius )

通知程序信号：

void	topRadiusChanged (float topRadius )

成员函数文档编制

void QConeGeometry:: updateIndices ()

Updates indices based on geometry properties.

void QConeGeometry:: updateVertices ()

Updates vertices based on geometry properties.

内容

• 特性

• 公共函数

• 公共槽

• 信号

• 详细描述