/// <summary>
/// Factory method for creating and reusing Trackable references from native handles.
/// </summary>
/// <param name="nativeHandle">A native handle to a plane that has been acquired. RELEASE
/// WILL BE HANDLED BY THIS METHOD.</param>
/// <returns>A reference to the Trackable. May return <c>null</c> on error or if Trackable
/// is not handled.</returns>
public Trackable TrackableFactory(IntPtr nativeHandle)
{
if (nativeHandle == IntPtr.Zero)
{
return(null);
}
Trackable result;
if (_trackableDict.TryGetValue(nativeHandle, out result))
{
// Release aquired handle and return cached result.
_nativeSession.TrackableApi.Release(nativeHandle);
return(result);
}
// This block needs to construct classes marked Obsolete since those versions are always
// the most derived type.
#pragma warning disable 618 // Obsolete warning
ApiTrackableType trackableType = _nativeSession.TrackableApi.GetType(nativeHandle);
if (trackableType == ApiTrackableType.Plane)
{
result = new TrackedPlane(nativeHandle, _nativeSession);
}
else if (trackableType == ApiTrackableType.Point)
{
result = new TrackedPoint(nativeHandle, _nativeSession);
}
else if (trackableType == ApiTrackableType.InstantPlacementPoint)
{
result = new InstantPlacementPoint(nativeHandle, _nativeSession);
}
else if (trackableType == ApiTrackableType.AugmentedImage)
{
result = new AugmentedImage(nativeHandle, _nativeSession);
}
else if (trackableType == ApiTrackableType.AugmentedFace)
{
result = new AugmentedFace(nativeHandle, _nativeSession);
}
else if (ExperimentManager.Instance.IsManagingTrackableType((int)trackableType))
{
result =
ExperimentManager.Instance.TrackableFactory((int)trackableType, nativeHandle);
}
else
{
Debug.LogWarning(
"TrackableFactory::No constructor for requested trackable type.");
}
#pragma warning restore 618
if (result != null)
{
_trackableDict.Add(nativeHandle, result);
}
return(result);
}
/// <summary>
/// Initialize the visual effect.
/// </summary>
/// <param name="trackable">The Trackable that's associated to this object.</param>
public void InitializeWithTrackable(Trackable trackable)
{
if (trackable is InstantPlacementPoint)
{
_instantPlacementPoint = trackable as InstantPlacementPoint;
_isOn = _instantPlacementPoint.TrackingMethod !=
InstantPlacementPointTrackingMethod.FullTracking;
}
else
{
_isOn = false;
}
if (_isOn)
{
var renderer = GetComponent <MeshRenderer>();
renderer.materials = HolographicMaterials;
}
}
