Class XRObjectTrackingSubsystem.Provider

The API concrete class must implement for an XRObjectTrackingSubsystem.

Inheritance

Object

XRObjectTrackingSubsystem.Provider

Namespace: UnityEngine.XR.ARSubsystems

Syntax

public abstract class Provider

Properties

library

The library containing the reference objects for which to scan. If this is not null, the provider should begin scanning for the objects in the library. If null, the provider should stop scanning for objects.

Declaration

public virtual XRReferenceObjectLibrary library { set; }

Property Value

Type	Description
XRReferenceObjectLibrary

Methods

Destroy()

Invoked just before this subsystem is destroyed.

Declaration

public virtual void Destroy()

GetChanges(XRTrackedObject, Allocator)

Get the changes (added, updated, and removed) to XRTrackedObjects since the last call to this method. It is typically invoked once per frame.

Declaration

public abstract TrackableChanges<XRTrackedObject> GetChanges(XRTrackedObject template, Allocator allocator)

Parameters

Type	Name	Description
XRTrackedObject	template	A 'template' XRTrackedObject. XRTrackedObject may have fields added to it in the future; this template allows you to fill the arrays of added, updated, and removed with default values before copying in data from your own memory buffer.
Allocator	allocator	The allocator to use for the added, updated, and removed arrays.

Returns

Type	Description
TrackableChanges<XRTrackedObject>	A new TrackableChanges<T> containing the changes since the last call to this method, allocated with allocator.