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

特性

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.