Class ARRaycastManager

Manages an XRRaycastSubsystem, exposing raycast functionality in ARFoundation. Use this component to raycast against trackables (i.e., detected features in the physical environment) when they do not have a presence in the Physics world.

Inheritance
Object
SubsystemLifecycleManager<XRRaycastSubsystem, XRRaycastSubsystemDescriptor>
ARRaycastManager
Inherited Members
Namespace: UnityEngine.XR.ARFoundation
Syntax
public sealed class ARRaycastManager : SubsystemLifecycleManager<XRRaycastSubsystem, XRRaycastSubsystemDescriptor>

Methods

OnAfterStart()

Declaration
protected override void OnAfterStart()
Overrides
UnityEngine.XR.ARFoundation.SubsystemLifecycleManager<XRRaycastSubsystem, XRRaycastSubsystemDescriptor>.OnAfterStart()

Raycast(Ray, List<ARRaycastHit>, TrackableType)

Cast a Ray against trackables, i.e., detected features such as planes.

Declaration
public bool Raycast(Ray ray, List<ARRaycastHit> hitResults, TrackableType trackableTypes = null)
Parameters
Type Name Description
Ray ray

The Ray, in Unity world space, to cast.
List<ARRaycastHit> hitResults

Contents are replaced with the raycast results, if successful.
TrackableType trackableTypes

(Optional) The types of trackables to cast against.
Returns
Type Description
Boolean

True if the raycast hit a trackable in the trackableTypes

Raycast(Vector2, List<ARRaycastHit>, TrackableType)

Cast a ray from a point in screen space against trackables, i.e., detected features such as planes.

Declaration
public bool Raycast(Vector2 screenPoint, List<ARRaycastHit> hitResults, TrackableType trackableTypes = null)
Parameters
Type Name Description
Vector2 screenPoint

The point, in device screen pixels, from which to cast.
List<ARRaycastHit> hitResults

Contents are replaced with the raycast results, if successful.
TrackableType trackableTypes

(Optional) The types of trackables to cast against.
Returns
Type Description
Boolean

True if the raycast hit a trackable in the trackableTypes