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Qt 3D C++ Classes

The Qt 3D module provides the foundations and core types used for near-realtime simulations built on the Qt 3D framework.

Namespaces

Qt3DAnimation

Contains classes from the Qt3DAnimation module

Qt3DCore

Contains classes that are the foundation for Qt 3D simulation framework, as well as classes that provide the ability to render using the Qt 3D framework

Qt3DCore::Quick

Contains classes used for implementing QML functionality into Qt3D applications

Qt3DExtras

Contains classes from the Qt3DExtras module

Qt3DInput

Contains classes that enable user input

Qt3DLogic

Contains classes that enable frame synchronization

Qt3DRender

Contains classes that enable 2D and 3D rendering

Classes

Qt 3D Core Module

Qt3DCore::QAbstractAspect

The base class for aspects that provide a vertical slice of behavior

Qt3DCore::QAbstractFunctor

Abstract base class for all functors

Qt3DCore::QAbstractSkeleton

A skeleton contains the joints for a skinned mesh

Qt3DCore::QArmature

Used to calculate skinning transform matrices and set them on shaders

Qt3DCore::QAspectEngine

Responsible for handling all the QAbstractAspect subclasses that have been registered with the scene

Qt3DCore::QAspectJob

Base class for jobs executed in an aspect

Qt3DCore::QAttribute

Defines an attribute and how data should be read from a QBuffer

Qt3DCore::QBackendNode

Base class for all Qt3D backend nodes

Qt3DCore::QBackendNodeMapper

Creates and maps backend nodes to their respective frontend nodes

Qt3DCore::QBoundingVolume

Can be used to override the bounding volume of an entity

Qt3DCore::QBuffer

Provides a data store for raw data to later be used as vertices or uniforms

Qt3DCore::QComponent

Base class of scene nodes that can be aggregated by Qt3DCore::QEntity instances as a component

Qt3DCore::QCoreSettings

Holds settings related to core data handling process

Qt3DCore::QEntity

Qt3DCore::QEntity is a Qt3DCore::QNode subclass that can aggregate several Qt3DCore::QComponent instances that will specify its behavior

Qt3DCore::QGeometry

Encapsulates geometry

Qt3DCore::QGeometryView

Encapsulates geometry details

Qt3DCore::QJoint

Used to transforms parts of skinned meshes

Qt3DCore::QNode

The base class of all Qt3D node classes used to build a Qt3D scene

Qt3DCore::QNodeId

Uniquely identifies a QNode

Qt3DCore::QSkeleton

Holds the data for a skeleton to be used with skinned meshes

Qt3DCore::QSkeletonLoader

Used to load a skeleton of joints from file

Qt3DCore::QTransform

Used to perform transforms on meshes

Qt3DCore::Quick::QQmlAspectEngine

Environment for the QAspectEngine and a method for instantiating QML components

Qt 3D Input Module

Qt3DInput::QAbstractActionInput

The base class for the Action Input and all Aggregate Action Inputs

Qt3DInput::QAbstractAxisInput

QAbstractActionInput is the base class for all Axis Input

Qt3DInput::QAbstractPhysicalDevice

The base class used by Qt3d to interact with arbitrary input devices

Qt3DInput::QAbstractPhysicalDeviceProxy

Qt3DInput::QAbstractPhysicalDeviceProxy acts as a proxy for an actual Qt3DInput::QQAbstractPhysicalDevice device

Qt3DInput::QAction

Links a set of QAbstractActionInput that trigger the same event

Qt3DInput::QActionInput

Stores Device and Buttons used to trigger an input event

Qt3DInput::QAnalogAxisInput

An axis input controlled by an analog input The axis value is controlled like a traditional analog input such as a joystick

Qt3DInput::QAxis

Stores QAbstractAxisInputs used to trigger an input event

Qt3DInput::QAxisAccumulator

Processes velocity or acceleration data from a QAxis

Qt3DInput::QAxisSetting

Stores settings for the specified list of Axis

Qt3DInput::QButtonAxisInput

An axis input controlled by buttons The axis value is controlled by buttons rather than a traditional analog input such as a joystick

Qt3DInput::QInputAspect

Responsible for creating physical devices and handling associated jobs

Qt3DInput::QInputChord

Represents a set of QAbstractActionInput's that must be triggerd at once

Qt3DInput::QInputDeviceIntegration

Abstract base class used to define new input methods such as game controllers

Qt3DInput::QInputSequence

Represents a set of QAbstractActionInput's that must be triggerd one after the other

Qt3DInput::QInputSettings

Holds the pointer to an input event source object

Qt3DInput::QKeyEvent

Event type send by KeyBoardHandler

Qt3DInput::QKeyboardDevice

In charge of dispatching keyboard events to attached QQKeyboardHandler objects

Qt3DInput::QKeyboardHandler

Provides keyboard event notification

Qt3DInput::QLogicalDevice

Allows the user to define a set of actions that they wish to use within an application

Qt3DInput::QMouseDevice

Delegates mouse events to the attached MouseHandler objects

Qt3DInput::QMouseEvent

Qt3DCore::QMouseEvent contains parameters that describe a mouse event

Qt3DInput::QMouseHandler

Provides a means of being notified about mouse events when attached to a QMouseDevice instance

Qt3DInput::QWheelEvent

Contains parameters that describe a mouse wheel event

Qt 3D Logic Module

Qt3DLogic::QFrameAction

Provides a way to have a synchronous function executed each frame

Qt3DLogic::QLogicAspect

Responsible for handling frame synchronization jobs

Qt 3D Render Module

Qt3DRender::QAbstractLight

Encapsulate a QAbstractLight object in a Qt 3D scene

Qt3DRender::QAbstractRayCaster

An abstract base class for ray casting in 3d scenes

Qt3DRender::QAbstractTexture

A base class to be used to provide textures

Qt3DRender::QAbstractTextureImage

Encapsulates the necessary information to create an OpenGL texture image

Qt3DRender::QAlphaCoverage

Enable alpha-to-coverage multisampling mode

Qt3DRender::QAlphaTest

Specify alpha reference test

Qt3DRender::QBlendEquation

Specifies the equation used for both the RGB blend equation and the Alpha blend equation

Qt3DRender::QBlendEquationArguments

Encapsulates blending information: specifies how the incoming values (what's going to be drawn) are going to affect the existing values (what is already drawn)

Qt3DRender::QBlitFramebuffer

FrameGraph node to transfer a rectangle of pixel values from one region of a render target to another

Qt3DRender::QBufferCapture

Exchanges buffer data between GPU and CPU

Qt3DRender::QCamera

Defines a view point through which the scene will be rendered

Qt3DRender::QCameraLens

Qt3DRender::QCameraLens specifies the projection matrix that will be used to define a Camera for a 3D scene

Qt3DRender::QCameraSelector

Class to allow for selection of camera to be used

Qt3DRender::QClearBuffers

Class to clear buffers

Qt3DRender::QClipPlane

Enables an additional OpenGL clipping plane that can be in shaders using gl_ClipDistance

Qt3DRender::QColorMask

Allows specifying which color components should be written to the currently bound frame buffer

Qt3DRender::QComputeCommand

QComponent to issue work for the compute shader on GPU

Qt3DRender::QCullFace

Specifies whether front or back face culling is enabled

Qt3DRender::QDebugOverlay

Enables a visual overlay with scene details

Qt3DRender::QDepthRange

Enables remapping depth values written into the depth buffer

Qt3DRender::QDepthTest

Tests the fragment shader's depth value against the depth of a sample being written to

Qt3DRender::QDirectionalLight

Encapsulate a Directional Light object in a Qt 3D scene

Qt3DRender::QDispatchCompute

FrameGraph node to issue work for the compute shader on GPU

Qt3DRender::QDithering

Enable dithering

Qt3DRender::QEffect

Base class for effects in a Qt 3D scene

Qt3DRender::QEnvironmentLight

Encapsulate an environment light object in a Qt 3D scene

Qt3DRender::QFilterKey

Storage for filter keys and their values

Qt3DRender::QFrameGraphNode

Base class of all FrameGraph configuration nodes

Qt3DRender::QFrontFace

Defines front and back facing polygons

Qt3DRender::QFrustumCulling

Enable frustum culling for the FrameGraph

Qt3DRender::QGeometryRenderer

Encapsulates geometry rendering

Qt3DRender::QGraphicsApiFilter

Identifies the API required for the attached QTechnique

Qt3DRender::QLayer

Way of filtering which entities will be rendered

Qt3DRender::QLayerFilter

Controls layers drawn in a frame graph branch

Qt3DRender::QLevelOfDetail

Way of controlling the complexity of rendered entities based on their size on the screen

Qt3DRender::QLevelOfDetailBoundingSphere

Simple spherical volume, defined by its center and radius

Qt3DRender::QLevelOfDetailSwitch

Provides a way of enabling child entities based on distance or screen size

Qt3DRender::QLineWidth

Specifies the width of rasterized lines

Qt3DRender::QMaterial

Provides an abstract class that should be the base of all material component classes in a scene

Qt3DRender::QMemoryBarrier

Class to emplace a memory barrier

Qt3DRender::QMesh

A custom mesh loader

Qt3DRender::QMultiSampleAntiAliasing

Enable multisample antialiasing

Qt3DRender::QNoDepthMask

Disable depth write

Qt3DRender::QNoDraw

When a Qt3DRender::QNoDraw node is present in a FrameGraph branch, this prevents the renderer from rendering any primitive

Qt3DRender::QNoPicking

When a Qt3DRender::QNoPicking node is present in a FrameGraph branch, this prevents the render aspect from performing picking selection for the given branch

Qt3DRender::QObjectPicker

Instantiates a component that can be used to interact with a QEntity by a process known as picking

Qt3DRender::QPaintedTextureImage

A QAbstractTextureImage that can be written through a QPainter

Qt3DRender::QParameter

Provides storage for a name and value pair. This maps to a shader uniform

Qt3DRender::QPickEvent

Holds information when an object is picked

Qt3DRender::QPickLineEvent

Holds information when a segment of a line is picked

Qt3DRender::QPickPointEvent

Holds information when a segment of a point cloud is picked

Qt3DRender::QPickTriangleEvent

Holds information when a triangle is picked

Qt3DRender::QPickingProxy

Can be used to provide an alternate QGeometryView used only for picking

Qt3DRender::QPickingSettings

Specifies how entity picking is handled

Qt3DRender::QPointLight

Encapsulate a Point Light object in a Qt 3D scene

Qt3DRender::QPointSize

Specifies the size of rasterized points. May either be set statically or by shader programs

Qt3DRender::QPolygonOffset

Sets the scale and steps to calculate depth values for polygon offsets

Qt3DRender::QProximityFilter

Select entities which are within a distance threshold of a target entity

Qt3DRender::QRasterMode

Render state allows to control the type of rasterization to be performed

Qt3DRender::QRayCaster

Qt3DRender::QRayCaster is used to perform ray casting tests in 3d world coordinates

Qt3DRender::QRayCasterHit

Details of a hit when casting a ray through a model

Qt3DRender::QRenderAspect

Class

Qt3DRender::QRenderCapabilities

Holds settings related to available rendering engines

Qt3DRender::QRenderCapture

Frame graph node for render capture

Qt3DRender::QRenderCaptureReply

Receives the result of render capture request

Qt3DRender::QRenderPass

Encapsulates a Render Pass

Qt3DRender::QRenderPassFilter

Provides storage for vectors of Filter Keys and Parameters

Qt3DRender::QRenderSettings

Holds settings related to rendering process and host the active FrameGraph

Qt3DRender::QRenderState

An abstract base class for all render states

Qt3DRender::QRenderStateSet

FrameGraph node offers a way of specifying a set of QRenderState objects to be applied during the execution of a framegraph branch

Qt3DRender::QRenderSurfaceSelector

Provides a way of specifying the render surface

Qt3DRender::QRenderTarget

Encapsulates a target (usually a frame buffer object) which the renderer can render into

Qt3DRender::QRenderTargetOutput

Allows the specification of an attachment of a render target (whether it is a color texture, a depth texture, etc... )

Qt3DRender::QRenderTargetSelector

Provides a way of specifying a render target

Qt3DRender::QSceneLoader

Provides the facility to load an existing Scene

Qt3DRender::QScissorTest

Discards fragments that fall outside of a certain rectangular portion of the screen

Qt3DRender::QScreenRayCaster

Performe ray casting test based on screen coordinates

Qt3DRender::QSeamlessCubemap

Enables seamless cubemap texture filtering

Qt3DRender::QSetFence

FrameGraphNode used to insert a fence in the graphics command stream

Qt3DRender::QShaderData

Provides a way of specifying values of a Uniform Block or a shader structure

Qt3DRender::QShaderImage

Provides Image access to shader programs

Qt3DRender::QShaderProgram

Encapsulates a Shader Program

Qt3DRender::QShaderProgramBuilder

Generates a Shader Program content from loaded graphs

Qt3DRender::QSharedGLTexture

Allows to use a textureId from a separate OpenGL context in a Qt 3D scene

Qt3DRender::QSortPolicy

Provides storage for the sort types to be used

Qt3DRender::QSpotLight

Encapsulate a Spot Light object in a Qt 3D scene

Qt3DRender::QStencilMask

Controls the front and back writing of individual bits in the stencil planes

Qt3DRender::QStencilOperation

Specifies stencil operation

Qt3DRender::QStencilOperationArguments

Sets the actions to be taken when stencil and depth tests fail

Qt3DRender::QStencilTest

Specifies arguments for the stecil test

Qt3DRender::QStencilTestArguments

Specifies arguments for stencil test

Qt3DRender::QSubtreeEnabler

Enables or disables entire subtrees of framegraph nodes

Qt3DRender::QTechnique

Encapsulates a Technique

Qt3DRender::QTechniqueFilter

A QFrameGraphNode used to select QTechniques to use

Qt3DRender::QTexture1D

A QAbstractTexture with a Target1D target format

Qt3DRender::QTexture1DArray

A QAbstractTexture with a Target1DArray target format

Qt3DRender::QTexture2D

A QAbstractTexture with a Target2D target format

Qt3DRender::QTexture2DArray

A QAbstractTexture with a Target2DArray target format

Qt3DRender::QTexture2DMultisample

A QAbstractTexture with a Target2DMultisample target format

Qt3DRender::QTexture2DMultisampleArray

A QAbstractTexture with a Target2DMultisampleArray target format

Qt3DRender::QTexture3D

A QAbstractTexture with a Target3D target format

Qt3DRender::QTextureBuffer

A QAbstractTexture with a TargetBuffer target format

Qt3DRender::QTextureCubeMap

A QAbstractTexture with a TargetCubeMap target format

Qt3DRender::QTextureCubeMapArray

A QAbstractTexture with a TargetCubeMapArray target format

Qt3DRender::QTextureData

Stores texture information such as the target, height, width, depth, layers, wrap, and if mipmaps are enabled

Qt3DRender::QTextureDataUpdate

Holds content and information required to perform partial updates of a texture content

Qt3DRender::QTextureGenerator

Provides the image data for a texture

Qt3DRender::QTextureImage

Encapsulates the necessary information to create an OpenGL texture image from an image source

Qt3DRender::QTextureImageData

Stores data representing a texture

Qt3DRender::QTextureImageDataGenerator

Provides texture image data for QAbstractTextureImage

Qt3DRender::QTextureLoader

Handles the texture loading and setting the texture's properties

Qt3DRender::QTextureRectangle

A QAbstractTexture with a TargetRectangle target format

Qt3DRender::QTextureWrapMode

Defines the wrap mode a Qt3DRender::QAbstractTexture should apply to a texture

Qt3DRender::QViewport

A viewport on the Qt3D Scene

Qt3DRender::QWaitFence

FrameGraphNode used to wait for a fence in the graphics command stream to become signaled

Qt 3D Extras Module

Qt3DExtras::QAbstractCameraController

Basic functionality for camera controllers

Qt3DExtras::QConeGeometry

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

Qt3DExtras::QConeGeometryView

A conical mesh

Qt3DExtras::QConeMesh

A conical mesh

Qt3DExtras::QCuboidGeometry

Allows creation of a cuboid in 3D space. * * * * * The QCuboidGeometry class is most commonly used internally by the QCuboidMesh * but can also be used in custom Qt3DRender::QGeometryRenderer subclasses

Qt3DExtras::QCuboidGeometryView

A cuboid mesh

Qt3DExtras::QCuboidMesh

A cuboid mesh

Qt3DExtras::QCylinderGeometry

Allows creation of a cylinder in 3D space. * * * * * The QCylinderGeometry class is most commonly used internally by the QCylinderMesh * but can also be used in custom Qt3DRender::QGeometryRenderer subclasses

Qt3DExtras::QCylinderGeometryView

A cylindrical mesh

Qt3DExtras::QCylinderMesh

A cylindrical mesh

Qt3DExtras::QDiffuseSpecularMaterial

Default implementation of the phong lighting effect

Qt3DExtras::QExtrudedTextGeometry

Allows creation of a 3D extruded text in 3D space

Qt3DExtras::QExtrudedTextMesh

A 3D extruded Text mesh

Qt3DExtras::QFirstPersonCameraController

Allows controlling the scene camera from the first person perspective

Qt3DExtras::QForwardRenderer

Default FrameGraph implementation of a forward renderer

Qt3DExtras::QGoochMaterial

Material that implements the Gooch shading model, popular in CAD and CAM applications

Qt3DExtras::QMetalRoughMaterial

Default implementation of PBR lighting

Qt3DExtras::QMorphPhongMaterial

Default implementation of the phong lighting effect

Qt3DExtras::QOrbitCameraController

Allows controlling the scene camera along orbital path

Qt3DExtras::QPerVertexColorMaterial

Default implementation for rendering the color properties set for each vertex

Qt3DExtras::QPlaneGeometry

Allows creation of a plane in 3D space. * * * * The QPlaneGeometry class is most commonly used internally by the QPlaneMesh * but can also be used in custom Qt3DRender::QGeometryRenderer subclasses

Qt3DExtras::QPlaneGeometryView

A square planar mesh

Qt3DExtras::QPlaneMesh

A square planar mesh

Qt3DExtras::QSkyboxEntity

Qt3DExtras::QSkyboxEntity is a convenience Qt3DCore::QEntity subclass that can be used to insert a skybox in a 3D scene

Qt3DExtras::QSphereGeometry

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 subclasses

Qt3DExtras::QSphereGeometryView

A spherical mesh

Qt3DExtras::QSphereMesh

A spherical mesh

Qt3DExtras::QText2DEntity

Allows creation of a 2D text in 3D space

Qt3DExtras::QTextureMaterial

Default implementation of a simple unlit texture material

Qt3DExtras::QTorusGeometry

Allows creation of a torus in 3D space. * * * * * The QTorusGeometry class is most commonly used internally by the QTorusMesh * but can also be used in custom Qt3DRender::QGeometryRenderer subclasses

Qt3DExtras::QTorusGeometryView

A toroidal mesh

Qt3DExtras::QTorusMesh

A toroidal mesh

Qt 3D Animation Module

Qt3DAnimation::QAbstractAnimation

An abstract base class for Qt3D animations

Qt3DAnimation::QAbstractAnimationClip

The base class for types providing key frame animation data

Qt3DAnimation::QAbstractClipAnimator

The base class for types providing animation playback capabilities

Qt3DAnimation::QAbstractClipBlendNode

The base class for types used to construct animation blend trees

Qt3DAnimation::QAdditiveClipBlend

Performs an additive blend of two animation clips based on an additive factor

Qt3DAnimation::QAnimationAspect

Provides key-frame animation capabilities to Qt 3D

Qt3DAnimation::QAnimationCallback

Represents an animation callback object

Qt3DAnimation::QAnimationClip

Specifies key frame animation data

Qt3DAnimation::QAnimationClipData

Class containing the animation data

Qt3DAnimation::QAnimationClipLoader

Enables loading key frame animation data from a file

Qt3DAnimation::QAnimationController

A controller class for animations

Qt3DAnimation::QAnimationGroup

A class grouping animations together

Qt3DAnimation::QBlendedClipAnimator

Component providing animation playback capabilities of a tree of blend nodes

Qt3DAnimation::QCallbackMapping

Allows to map the channels within the clip onto an invocation of a callback object

Qt3DAnimation::QChannel

Defines a channel for a QAnimationClipData. The animation system interpolates each channel component independently except in the case the QChannel is called "Rotation" (case sensitive), it has four QChannelComponents and the same number of keyframes for each QChannelComponent. In that case the interpolation will be performed using SLERP

Qt3DAnimation::QChannelMapper

Allows to map the channels within the clip onto properties of objects in the application

Qt3DAnimation::QChannelMapping

Allows to map the channels within the clip onto properties of objects in the application

Qt3DAnimation::QClipAnimator

Component providing simple animation playback capabilities

Qt3DAnimation::QClipBlendValue

Class used for including a clip in a blend tree

Qt3DAnimation::QKeyFrame

A base class for handling keyframes

Qt3DAnimation::QKeyframeAnimation

A class implementing simple keyframe animation to a QTransform

Qt3DAnimation::QLerpClipBlend

Performs a linear interpolation of two animation clips based on a normalized factor

Qt3DAnimation::QMorphTarget

A class providing morph targets to blend-shape animation

Qt3DAnimation::QMorphingAnimation

A class implementing blend-shape morphing animation

Qt3DAnimation::QVertexBlendAnimation

A class implementing vertex-blend morphing animation

Qt 3D Scene2D Module

Qt3DRender::Quick::QScene2D

This class enables rendering qml into a texture, which then can be used as a part of 3D scene

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