Class: TextScrollerState

Defined in: src/ui/layouts/TextScrollerState.ts:10

Manages the state and animation logic for a scrolling text view. It tracks the total number of lines, the current scroll position (as a line number), and the target line, smoothly animating between them over time.

Extends

• Script

Constructors

Constructor

new TextScrollerState(): TextScrollerState

Defined in: node_modules/@types/three/src/core/Object3D.d.ts:95

This creates a new Object3D object.

Returns

TextScrollerState

Inherited from

Script.constructor

Properties

currentLine

currentLine: number = 0

Defined in: src/ui/layouts/TextScrollerState.ts:14

---

isXRScript

isXRScript: boolean = true

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

Inherited from

Script.isXRScript

---

lineCount

lineCount: number = 0

Defined in: src/ui/layouts/TextScrollerState.ts:18

---

lines

lines: number = 1

Defined in: src/ui/layouts/TextScrollerState.ts:13

---

scrollSpeedLinesPerSecond

scrollSpeedLinesPerSecond: number = 3

Defined in: src/ui/layouts/TextScrollerState.ts:12

---

shouldUpdate

shouldUpdate: boolean = true

Defined in: src/ui/layouts/TextScrollerState.ts:16

---

targetLine

targetLine: number = 0

Defined in: src/ui/layouts/TextScrollerState.ts:15

---

timer

timer: Timer

Defined in: src/ui/layouts/TextScrollerState.ts:17

---

ux

ux: UX

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

Inherited from

Script.ux

---

dependencies

static dependencies: object

Defined in: src/ui/layouts/TextScrollerState.ts:11

timer

timer: typeof Timer = THREE.Timer

Methods

dispose()

dispose(): void

Defined in: src/core/Script.ts:196

Called when the script is removed from the scene. Opposite of init.

Returns

void

Inherited from

Script.dispose

---

init()

init(__namedParameters): void

Defined in: src/ui/layouts/TextScrollerState.ts:20

Initializes an instance with XR controllers, grips, hands, raycaster, and default options. We allow all scripts to quickly access its user (e.g., user.isSelecting(), user.hands), world (e.g., physical depth mesh, lighting estimation, and recognized objects), and scene (the root of three.js's scene graph). If this returns a promise, we will wait for it.

Parameters

__namedParameters

timer

Timer

Returns

void

Overrides

Script.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

Script.initPhysics

---

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

Script.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

Script.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

Script.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

Script.onKeyDown

---

onKeyUp()

onKeyUp(_event): void

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

Parameters

_event

KeyEvent

Returns

void

Inherited from

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.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

Script.onSelectStart

---

onSimulatorStarted()

onSimulatorStarted(): void

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

Returns

void

Inherited from

Script.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

Script.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

Script.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

Script.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

Script.onSqueezing

---

onXRSessionEnded()

onXRSessionEnded(): void

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

Returns

void

Inherited from

Script.onXRSessionEnded

---

onXRSessionStarted()

onXRSessionStarted(_session?): void

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

Parameters

_session?

XRSession

Returns

void

Inherited from

Script.onXRSessionStarted

---

physicsStep()

physicsStep(): void

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

Returns

void

Inherited from

Script.physicsStep

---

update()

update(): undefined | false

Defined in: src/ui/layouts/TextScrollerState.ts:24

Runs per frame.

Returns

undefined | false

Overrides

Script.update