QSphereGeometry Class

( Qt3DExtras::QSphereGeometry )

The QSphereGeometry class allows creation of a sphere in 3D space. * * * * * The QSphereGeometry class is most commonly used internally by the QSphereMesh * but can also be used in custom Qt3DRender::QGeometryRenderer 子类。 更多...

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

特性

公共函数

QSphereGeometry (Qt3DCore::QNode * parent = nullptr)
bool generateTangents () const
Qt3DRender::QAttribute * indexAttribute () const
Qt3DRender::QAttribute * normalAttribute () const
Qt3DRender::QAttribute * positionAttribute () const
float radius () const
int rings () const
int slices () const
Qt3DRender::QAttribute * tangentAttribute () const
Qt3DRender::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 )

静态公共成员

const QMetaObject staticMetaObject

额外继承成员

详细描述

* * * *

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

indexAttribute : Qt3DRender::QAttribute * const

Holds the geometry index attribute.

访问函数:

Qt3DRender::QAttribute * indexAttribute () const

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 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 )

tangentAttribute : Qt3DRender::QAttribute * const

Holds the geometry tangent attribute.

访问函数:

Qt3DRender::QAttribute * tangentAttribute () const

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

QSphereGeometry:: QSphereGeometry ( Qt3DCore::QNode * parent = nullptr)

构造新的 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