Class TrackingSubsystem<TTrackable, TSubsystemDescriptor>

Base class for subsystems that detect and track things in the physical environment.

Inheritance
Object
XRSubsystem<TSubsystemDescriptor>
TrackingSubsystem<TTrackable, TSubsystemDescriptor>
XRAnchorSubsystem
XRDepthSubsystem
XREnvironmentProbeSubsystem
XRFaceSubsystem
XRImageTrackingSubsystem
XRParticipantSubsystem
XRPlaneSubsystem
Inherited Members
Namespace: UnityEngine.XR.ARSubsystems
Syntax
public abstract class TrackingSubsystem<TTrackable, TSubsystemDescriptor> : XRSubsystem<TSubsystemDescriptor> where TTrackable : struct, ITrackable where TSubsystemDescriptor : class, ISubsystemDescriptor
Type Parameters
Name Description
TTrackable

The trackable's data, often a blittable type to interop with native code.
TSubsystemDescriptor

The subsystem descriptor for the underlying subsystem

Methods

GetChanges(Allocator)

Retrieves a set of changes (additions, updates, and removals) since the last time GetChanges(Allocator) was called. This is typically called once per frame to update the derived class's internal state.

Declaration
public abstract TrackableChanges<TTrackable> GetChanges(Allocator allocator)
Parameters
Type Name Description
Allocator allocator

The Allocator to use when creating the NativeArrays in TrackableChanges<T>.
Returns
Type Description
TrackableChanges<TTrackable>

The set of changes since the last time this method was invoked.