ARFrameUpdate class

One sampled AR frame, delivered while per-frame updates are enabled.

Carries what a Flutter overlay needs to draw annotations that stay glued to the world: the hit under the reticle, plus the camera matrices required to project world positions back to screen pixels.

Constructors

ARFrameUpdate({required ARHitTestResult? reticleHit, required Matrix4 viewMatrix, required Matrix4 projectionMatrix, required Size viewport})

const

Properties

hashCode → int

The hash code for this object.

no setter, inherited

projectionMatrix → Matrix4

Camera → clip space.

final

reticleHit → ARHitTestResult?

What the reticle is currently aimed at, or null when nothing trackable is under it.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

viewMatrix → Matrix4

World → camera space.

final

viewport → Size

Size of the AR surface in device pixels.

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

project(Vector3 world) → Offset?

Projects a world position to a pixel coordinate within viewport.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

fromJson(Map<String, dynamic> json) → ARFrameUpdate?