Class

ARTrackedRaycast

A ray-cast query that ARKit repeats in succession to give you refined results over time.

Declaration

@interface ARTrackedRaycast : NSObject

Overview

Tracked ray-casting improves hit-testing techniques by repeating the query for a 3D position in succession. ARKit provides you with an updated position as it refines its understanding of world over time.

To start a tracked ray-cast, you call trackedRaycast:updateHandler: on your app's current ARSession.

Topics

Stopping Tracking

- stopTracking

Stops repeating the ray-cast query.

Relationships

Inherits From

See Also

Ray-Casting

ARRaycastQuery

A mathematical ray you use to find 3D positions on real-world surfaces.

ARRaycastResult

Information about a real-world surface found by examining a point on the screen.