Class: XRDeviceCamera

Defined in: src/camera/XRDeviceCamera.ts:21

Handles video capture from a device camera, manages the device list, and reports its state using VideoStream's event model.

Extends

• VideoStream<XRDeviceCameraDetails>

Constructors

Constructor

new XRDeviceCamera(options): XRDeviceCamera

Defined in: src/camera/XRDeviceCamera.ts:32

Parameters

options

Partial<DeviceCameraOptions> = {}

The configuration options.

Returns

XRDeviceCamera

Overrides

VideoStream.constructor

Properties

aspectRatio?

optional aspectRatio: number

Defined in: src/video/VideoStream.ts:53

Inherited from

VideoStream.aspectRatio

---

height?

optional height: number

Defined in: src/video/VideoStream.ts:52

Inherited from

VideoStream.height

---

isXRScript

isXRScript: boolean = true

Defined in: src/core/Script.ts:53

Inherited from

VideoStream.isXRScript

---

loaded

loaded: boolean = false

Defined in: src/video/VideoStream.ts:50

Inherited from

VideoStream.loaded

---

simulatorCamera?

optional simulatorCamera: SimulatorCamera

Defined in: src/camera/XRDeviceCamera.ts:22

---

state

state: StreamState = StreamState.IDLE

Defined in: src/video/VideoStream.ts:55

Inherited from

VideoStream.state

---

stream_

protected stream_: null | MediaStream = null

Defined in: src/video/VideoStream.ts:57

Inherited from

VideoStream.stream_

---

texture

texture: VideoTexture

Defined in: src/video/VideoStream.ts:54

Inherited from

VideoStream.texture

---

ux

ux: UX

Defined in: src/core/Script.ts:52

Inherited from

VideoStream.ux

---

video_

protected video_: HTMLVideoElement

Defined in: src/video/VideoStream.ts:58

Inherited from

VideoStream.video_

---

videoConstraints_

protected videoConstraints_: MediaTrackConstraints

Defined in: src/camera/XRDeviceCamera.ts:23

---

width?

optional width: number

Defined in: src/video/VideoStream.ts:51

Inherited from

VideoStream.width

Methods

dispose()

dispose(): void

Defined in: src/video/VideoStream.ts:207

Disposes of all resources used by this stream.

Returns

void

Inherited from

VideoStream.dispose

---

getAvailableDevices()

getAvailableDevices(): MediaOrSimulatorMediaDeviceInfo[]

Defined in: src/camera/XRDeviceCamera.ts:210

Gets the list of enumerated video devices.

Returns

MediaOrSimulatorMediaDeviceInfo[]

---

getAvailableVideoDevices()

getAvailableVideoDevices(): Promise<MediaOrSimulatorMediaDeviceInfo[]>

Defined in: src/camera/XRDeviceCamera.ts:45

Retrieves the list of available video input devices.

Returns

Promise<MediaOrSimulatorMediaDeviceInfo[]>

A promise that resolves with an array of video devices.

---

getCurrentDevice()

getCurrentDevice(): undefined | MediaOrSimulatorMediaDeviceInfo

Defined in: src/camera/XRDeviceCamera.ts:217

Gets the currently active device info, if available.

Returns

undefined | MediaOrSimulatorMediaDeviceInfo

---

getCurrentDeviceIndex()

getCurrentDeviceIndex(): number

Defined in: src/camera/XRDeviceCamera.ts:234

Gets the index of the currently active device.

Returns

number

---

getCurrentTrackSettings()

getCurrentTrackSettings(): undefined | MediaTrackSettings

Defined in: src/camera/XRDeviceCamera.ts:227

Gets the settings of the currently active video track.

Returns

undefined | MediaTrackSettings

---

getSnapshot()

getSnapshot(options): null | string | Texture | ImageData

Defined in: src/video/VideoStream.ts:133

Captures the current video frame.

Parameters

options

VideoStreamGetSnapshotOptions = {}

The options for the snapshot.

Returns

null | string | Texture | ImageData

The captured data.

Inherited from

VideoStream.getSnapshot

---

handleVideoStreamLoadedMetadata()

protected handleVideoStreamLoadedMetadata(resolve, reject, allowRetry): void

Defined in: src/video/VideoStream.ts:102

Processes video metadata, sets dimensions, and resolves a promise.

Parameters

resolve

() => void

The resolve function of the wrapping Promise.

reject

(_) => void

The reject function of the wrapping Promise.

allowRetry

boolean = false

Whether to allow a retry attempt on failure.

Returns

void

Inherited from

VideoStream.handleVideoStreamLoadedMetadata

---

init()

init(): Promise<void>

Defined in: src/camera/XRDeviceCamera.ts:63

Initializes the camera based on the initial constraints.

Returns

Promise<void>

Overrides

VideoStream.init

---

initPhysics()

initPhysics(_physics): void | Promise<void>

Defined in: src/core/Script.ts:72

Enables depth-aware interactions with physics. See /demos/ballpit

Parameters

_physics

Physics

Returns

void | Promise<void>

Inherited from

VideoStream.initPhysics

---

initStream_()

protected initStream_(): Promise<void>

Defined in: src/camera/XRDeviceCamera.ts:86

Initializes the media stream from the user's camera. After the stream starts, it updates the current device index based on the stream's active track.

Returns

Promise<void>

---

onHoverEnter()

onHoverEnter(_controller): void

Defined in: src/core/Script.ts:157

Called when the controller starts hovering over this object with reticle.

Parameters

_controller

Object3D

An XR controller.

Returns

void

Inherited from

VideoStream.onHoverEnter

---

onHoverExit()

onHoverExit(_controller): void

Defined in: src/core/Script.ts:162

Called when the controller hovers over this object with reticle.

Parameters

_controller

Object3D

An XR controller.

Returns

void

Inherited from

VideoStream.onHoverExit

---

onHovering()

onHovering(_controller): void

Defined in: src/core/Script.ts:167

Called when the controller hovers over this object with reticle.

Parameters

_controller

Object3D

An XR controller.

Returns

void

Inherited from

VideoStream.onHovering

---

onKeyDown()

onKeyDown(_event): void

Defined in: src/core/Script.ts:109

Called on keyboard keypress.

Parameters

_event

KeyEvent

Event containing .code to read the keyboard key.

Returns

void

Inherited from

VideoStream.onKeyDown

---

onKeyUp()

onKeyUp(_event): void

Defined in: src/core/Script.ts:110

Parameters

_event

KeyEvent

Returns

void

Inherited from

VideoStream.onKeyUp

---

onObjectGrabbing()

onObjectGrabbing(_event): void

Defined in: src/core/Script.ts:187

Called every frame a hand is grabbing this object.

Parameters

_event

ObjectGrabEvent

Returns

void

Inherited from

VideoStream.onObjectGrabbing

---

onObjectGrabEnd()

onObjectGrabEnd(_event): void

Defined in: src/core/Script.ts:191

Called when a hand stops grabbing this object.

Parameters

_event

ObjectGrabEvent

Returns

void

Inherited from

VideoStream.onObjectGrabEnd

---

onObjectGrabStart()

onObjectGrabStart(_event): void

Defined in: src/core/Script.ts:183

Called when a hand starts grabbing this object (touching + pinching).

Parameters

_event

ObjectGrabEvent

Returns

void

Inherited from

VideoStream.onObjectGrabStart

---

onObjectSelectEnd()

onObjectSelectEnd(_event): boolean

Defined in: src/core/Script.ts:150

Called when the controller stops selecting this object the script represents, e.g. View, ModelView.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

boolean

Whether the event was handled

Inherited from

VideoStream.onObjectSelectEnd

---

onObjectSelectStart()

onObjectSelectStart(_event): boolean

Defined in: src/core/Script.ts:141

Called when the controller starts selecting this object the script represents, e.g. View, ModelView.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

boolean

Whether the event was handled

Inherited from

VideoStream.onObjectSelectStart

---

onObjectTouchEnd()

onObjectTouchEnd(_event): void

Defined in: src/core/Script.ts:179

Called when a hand's index finger stops touching this object.

Parameters

_event

ObjectTouchEvent

Returns

void

Inherited from

VideoStream.onObjectTouchEnd

---

onObjectTouching()

onObjectTouching(_event): void

Defined in: src/core/Script.ts:175

Called every frame that a hand's index finger is touching this object.

Parameters

_event

ObjectTouchEvent

Returns

void

Inherited from

VideoStream.onObjectTouching

---

onObjectTouchStart()

onObjectTouchStart(_event): void

Defined in: src/core/Script.ts:171

Called when a hand's index finger starts touching this object.

Parameters

_event

ObjectTouchEvent

Returns

void

Inherited from

VideoStream.onObjectTouchStart

---

onSelect()

onSelect(_event): void

Defined in: src/core/Script.ts:98

Called whenever pinch / mouse click successfully completes, globally.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

void

Inherited from

VideoStream.onSelect

---

onSelectEnd()

onSelectEnd(_event): void

Defined in: src/core/Script.ts:92

Called whenever pinch / mouse click discontinues, globally.

Parameters

_event

SelectEvent

event.target holds its controller

Returns

void

Inherited from

VideoStream.onSelectEnd

---

onSelecting()

onSelecting(_event): void

Defined in: src/core/Script.ts:103

Called whenever pinch / mouse click is happening, globally.

Parameters

_event

SelectEvent

Returns

void

Inherited from

VideoStream.onSelecting

---

onSelectStart()

onSelectStart(_event): void

Defined in: src/core/Script.ts:86

Called whenever pinch / mouse click starts, globally.

Parameters

_event

SelectEvent

event.target holds its controller

Returns

void

Inherited from

VideoStream.onSelectStart

---

onSimulatorStarted()

onSimulatorStarted(): void

Defined in: src/core/Script.ts:78

Returns

void

Inherited from

VideoStream.onSimulatorStarted

---

onSqueeze()

onSqueeze(_event): void

Defined in: src/core/Script.ts:132

Called whenever gamepad trigger successfully completes, globally.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

void

Inherited from

VideoStream.onSqueeze

---

onSqueezeEnd()

onSqueezeEnd(_event): void

Defined in: src/core/Script.ts:121

Called whenever gamepad trigger stops, globally.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

void

Inherited from

VideoStream.onSqueezeEnd

---

onSqueezeStart()

onSqueezeStart(_event): void

Defined in: src/core/Script.ts:116

Called whenever gamepad trigger starts, globally.

Parameters

_event

SelectEvent

event.target holds its controller.

Returns

void

Inherited from

VideoStream.onSqueezeStart

---

onSqueezing()

onSqueezing(_event): void

Defined in: src/core/Script.ts:126

Called whenever gamepad is being triggered, globally.

Parameters

_event

SelectEvent

Returns

void

Inherited from

VideoStream.onSqueezing

---

onXRSessionEnded()

onXRSessionEnded(): void

Defined in: src/core/Script.ts:76

Returns

void

Inherited from

VideoStream.onXRSessionEnded

---

onXRSessionStarted()

onXRSessionStarted(_session?): void

Defined in: src/core/Script.ts:75

Parameters

_session?

XRSession

Returns

void

Inherited from

VideoStream.onXRSessionStarted

---

physicsStep()

physicsStep(): void

Defined in: src/core/Script.ts:73

Returns

void

Inherited from

VideoStream.physicsStep

---

registerSimulatorCamera()

registerSimulatorCamera(simulatorCamera): void

Defined in: src/camera/XRDeviceCamera.ts:238

Parameters

simulatorCamera

SimulatorCamera

Returns

void

---

setDeviceId()

setDeviceId(deviceId): Promise<void>

Defined in: src/camera/XRDeviceCamera.ts:181

Sets the active camera by its device ID. Removes potentially conflicting constraints such as facingMode.

Parameters

deviceId

string

Device id.

Returns

Promise<void>

---

setFacingMode()

setFacingMode(facingMode): Promise<void>

Defined in: src/camera/XRDeviceCamera.ts:200

Sets the active camera by its facing mode ('user' or 'environment').

Parameters

facingMode

VideoFacingModeEnum

facing mode

Returns

Promise<void>

---

setState_()

protected setState_(state, details): void

Defined in: src/video/VideoStream.ts:88

Sets the stream's state and dispatches a 'statechange' event.

Parameters

state

StreamState

The new state.

details

Additional data for the event payload.

VideoStreamDetails | XRDeviceCameraDetails

Returns

void

Inherited from

VideoStream.setState_

---

stop_()

protected stop_(): void

Defined in: src/video/VideoStream.ts:188

Stops the current video stream tracks.

Returns

void

Inherited from

VideoStream.stop_

---

update()

update(_time?, _frame?): void

Defined in: src/core/Script.ts:67

Runs per frame.

Parameters

_time?

number

_frame?

XRFrame

Returns

void

Inherited from

VideoStream.update