QSphereGeometry Class

class Qt3DExtras ::QSphereGeometry

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

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

特性

公共函数

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

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

Holds the geometry index attribute.

访问函数:

Qt3DCore::QAttribute * indexAttribute () const

[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 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 )

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

Holds the geometry tangent attribute.

访问函数:

Qt3DCore::QAttribute * tangentAttribute () const

[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] 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