Class XRTrackableItems

Stores the currently trackable items.

Inheritance
object
DisposableObject
XRTrackableItems
Inherited Members
Namespace: Evergine.Framework.XR.TrackableItems
Assembly: Evergine.Framework.dll
Syntax
public abstract class XRTrackableItems : DisposableObject

Constructors

XRTrackableItems()

Initializes a new instance of the XRTrackableItems class.

Declaration
public XRTrackableItems()

Fields

TrackablesById

Backing field for the XRTrackableItem property.

Declaration
public ConcurrentDictionary<Guid, XRTrackableItem> TrackablesById
Field Value
Type Description
ConcurrentDictionary<Guid, XRTrackableItem>

Methods

AddTrackables(IEnumerable<XRTrackableItem>)

Executes when new trackables are detected.

Declaration
public void AddTrackables(IEnumerable<XRTrackableItem> addedTrackables)
Parameters
Type Name Description
IEnumerable<XRTrackableItem> addedTrackables

Collection of detected trackables.

ClearAllTrackables()

Clears cached trackable items.

Declaration
public void ClearAllTrackables()

Destroy()

Destroys all resources of this instance.

Declaration
protected override void Destroy()
Overrides

FindTrackable(Guid)

Looks for an XRTrackableItem detected in the current frame.

Declaration
public XRTrackableItem FindTrackable(Guid trackableId)
Parameters
Type Name Description
Guid trackableId

The ID of the trackable.
Returns
Type Description
XRTrackableItem

The XRTrackableItem or null if no XRTrackableItem with the specified ID was found.

RemoveTrackables(IEnumerable<Guid>)

Executed when trackables stop being detected.

Declaration
public void RemoveTrackables(IEnumerable<Guid> removedTrackables)
Parameters
Type Name Description
IEnumerable<Guid> removedTrackables

Collection of updated trackables.

UpdateTrackables(IEnumerable<XRTrackableItem>)

Executes when already detected trackables are updated.

Declaration
public void UpdateTrackables(IEnumerable<XRTrackableItem> updatedTrackables)
Parameters
Type Name Description
IEnumerable<XRTrackableItem> updatedTrackables

Collection of updated trackables.

Events

AddedTrackables

Event triggered when one or more trackables have been added

Declaration
public event EventHandler<IEnumerable<XRTrackableItem>> AddedTrackables
Event Type
Type Description
EventHandler<IEnumerable<XRTrackableItem>>

RemovedTrackables

Event triggered when one or more trackables have been removed.

Declaration
public event EventHandler<IEnumerable<XRTrackableItem>> RemovedTrackables
Event Type
Type Description
EventHandler<IEnumerable<XRTrackableItem>>

UpdatedTrackables

Event triggered when one or more trackables have been updated

Declaration
public event EventHandler<IEnumerable<XRTrackableItem>> UpdatedTrackables
Event Type
Type Description
EventHandler<IEnumerable<XRTrackableItem>>

Extension Methods