QCylinderGeometry Class

class Qt3DExtras ::QCylinderGeometry

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

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

特性

公共函数

QCylinderGeometry (Qt3DCore::QNode * parent = nullptr)
Qt3DCore::QAttribute * indexAttribute () const
float length () 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 setLength (float length )
void setRadius (float radius )
void setRings (int rings )
void setSlices (int slices )

信号

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

详细描述

The 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

[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 cylinder.

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

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 )

[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] QCylinderGeometry:: QCylinderGeometry ( Qt3DCore::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.