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QConeGeometry Class

The QConeGeometry class allows creation of a cone in 3D space. * * * * * 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.

This class was introduced in Qt 5.7.

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QConeGeometry Class

  • Header: Qt3DExtras/QConeGeometry

  • Since: Qt 5.7

  • CMake:

    find_package(Qt6 REQUIRED COMPONENTS 3dextras)

    target_link_libraries(mytarget PRIVATE Qt6::3dextras)

  • qmake: QT += 3dextras

  • Inherited By:

  • Instantiated By: qml-qt3d-extras-conegeometry.xml

  • Inherits: Qt3DCore::QGeometry

  • Group: QConeGeometry is part of qt3d-extras-geometries, geometries

Detailed Description

* * * *

Property Documentation

 

bottomRadius : float

Holds the bottom radius of the cone.

Access functions:

  • float bottomRadius() const

  • void setBottomRadius(float bottomRadius)

Notifier signal:

  • void bottomRadiusChanged(float bottomRadius)

hasBottomEndcap : bool

Determines if the cone bottom is capped or open.

Access functions:

  • bool hasBottomEndcap() const

  • void setHasBottomEndcap(bool hasBottomEndcap)

Notifier signal:

  • void hasBottomEndcapChanged(bool hasBottomEndcap)

hasTopEndcap : bool

Determines if the cone top is capped or open.

Access functions:

  • bool hasTopEndcap() const

  • void setHasTopEndcap(bool hasTopEndcap)

Notifier signal:

  • void hasTopEndcapChanged(bool hasTopEndcap)

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

Holds the geometry index attribute.

Access functions:

  • *indexAttribute() const

length : float

Holds the length of the cone.

Access functions:

  • float length() const

  • void setLength(float length)

Notifier signal:

  • void lengthChanged(float length)

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

Holds the geometry normal attribute.

Access functions:

  • *normalAttribute() const

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

Holds the geometry position attribute.

Access functions:

  • *positionAttribute() const

rings : int

Holds the number of rings in the geometry.

Access functions:

  • int rings() const

  • void setRings(int rings)

Notifier signal:

  • void ringsChanged(int rings)

slices : int

Holds the number of slices in the geometry.

Access functions:

  • int slices() const

  • void setSlices(int slices)

Notifier signal:

  • void slicesChanged(int slices)

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

Holds the geometry texture coordinate attribute.

Access functions:

  • *texCoordAttribute() const

topRadius : float

Holds the top radius of the cone.

Access functions:

  • float topRadius() const

  • void setTopRadius(float topRadius)

Notifier signal:

  • void topRadiusChanged(float topRadius)

Member Function Documentation

 

void QConeGeometry::updateIndices()

Updates indices based on geometry properties.

void QConeGeometry::updateVertices()

Updates vertices based on geometry properties.

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