GazePointer class

Gaze-based pointer for VR interaction (look to select). Fires a ray from the camera center forward direction.

Constructors

GazePointer({required CameraRig cameraRig, double dwellDuration = 2.0, void onDwellSelect(String nodeId)?, void onGazeEnter(String nodeId)?, void onGazeExit(String nodeId)?})

Properties

cameraRig → CameraRig

final

dwellDuration ↔ double

Duration in seconds to dwell-select.

getter/setter pair

dwellProgress ↔ double

Current dwell progress (0 to 1).

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

onDwellSelect ↔ void Function(String nodeId)?

Callback when a target is selected via dwell.

getter/setter pair

onGazeEnter ↔ void Function(String nodeId)?

Callback when gaze enters a target.

getter/setter pair

onGazeExit ↔ void Function(String nodeId)?

Callback when gaze exits a target.

getter/setter pair

ray → Ray

The ray from camera center in forward direction.

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

renderReticle(Canvas canvas, Size viewportSize) → void

Renders the reticle (crosshair) at screen center.

toString() → String

A string representation of this object.

inherited

update(double dt, String? hitNodeId) → void

Call each frame with the currently gazed node ID (or null).

Operators

operator ==(Object other) → bool

The equality operator.

inherited