Class XRTrackableItems

Stores the current trackable items.

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

Constructors

XRTrackableItems()

Initializes a new instance of the XRTrackableItems class.

Declaration
public XRTrackableItems()

Fields

TrackablesById

Backing field for XRTrackableItem property.

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

Methods

AddTrackables(IEnumerable<XRTrackableItem>)

Executed 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 trackables.

Declaration
public void ClearAllTrackables()

Destroy()

Destroy 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 to be detected.

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

Collection of updated trackables.

UpdateTrackables(IEnumerable<XRTrackableItem>)

Executed 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 launched when one or more trackables have been added

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

RemovedTrackables

Event launched when one or more trackables have been removed

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

UpdatedTrackables

Event launched when one or more trackables have been updated

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

Implements

Extension Methods