/// <summary>
/// The Unity Update method.
/// </summary>
public void Update()
{
_UpdateApplicationLifecycle();
// Check that motion tracking is tracking.
if (Session.Status != SessionStatus.Tracking)
{
return;
}
// Get updated augmented images for this frame.
Session.GetTrackables <AugmentedImage> (m_TempAugmentedImages, TrackableQueryFilter.Updated);
// create objects on each augmented image
foreach (var image in m_TempAugmentedImages)
{
ARInteractable visualizer = null;
m_Visualizers.TryGetValue(image.DatabaseIndex, out visualizer);
if (image.TrackingState == TrackingState.Tracking && visualizer == null)
{
// Create an anchor to ensure that ARCore keeps tracking this augmented image.
Anchor anchor = image.CreateAnchor(image.CenterPose);
Prefabs.TryGetValue(image.Name, out currentObj);
visualizer = (ARInteractable)Instantiate(currentObj, anchor.transform);
var targetPosition = Camera.main.transform.position;
targetPosition.y = visualizer.transform.position.y;
visualizer.transform.LookAt(targetPosition);
visualizer.Image = image;
m_Visualizers.Add(image.DatabaseIndex, visualizer);
}
else if (image.TrackingState == TrackingState.Stopped && visualizer != null)
{
m_Visualizers.Remove(image.DatabaseIndex);
GameObject.Destroy(visualizer.gameObject);
}
}
// Show the fit-to-scan overlay if there are no images that are Tracking.
foreach (var visualizer in m_Visualizers.Values)
{
if (visualizer.Image.TrackingState == TrackingState.Tracking)
{
FitToScanOverlay.SetActive(false);
return;
}
}
FitToScanOverlay.SetActive(true);
}
public bool SpawnItemByType(ItemType typeToSpawn, Vector3 spawnPosition, Quaternion spawnRotation = default(Quaternion), Transform parent = null, bool ignoreRaycast = true)
{
if (!_prefabDictionary.TryGetValue(typeToSpawn, out var prefab))
{
return(false);
}
_overlapResults[0] = null;
if (!ignoreRaycast)
{
Physics.OverlapSphereNonAlloc(spawnPosition, OVERLAP_RADIUS, _overlapResults, GroundlessLayerMask);
if (_overlapResults[0])
{
return(false);
}
}
Instantiate(prefab, spawnPosition, spawnRotation, parent);
return(true);
}