QTorusGeometry Class

class Qt3DExtras ::QTorusGeometry

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

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

特性

公共函数

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

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

Holds the geometry index attribute.

访问函数:

Qt3DCore::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 )

[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

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 )

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

Holds the geometry texture coordinate attribute.

访问函数:

Qt3DCore::QAttribute * texCoordAttribute () const

成员函数文档编制

[explicit] 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.