protected virtual void SetObjectPosition(LocationARWorldObject worldObject, GameObject gameObj, Coordinates coords)
{
var pos = GetPosition(worldObject, coords);
// Set the object to be level with the camera: may want to revisit
// this if we do ground surface tracking
pos.y += (float)worldObject.Elevation;
gameObj.transform.localPosition = pos;
gameObj.transform.localScale = Vector3.one;
gameObj.transform.localRotation = Quaternion.identity;
}
public override double GetDistance(LocationARWorldObject worldObj)
{
// TODO: if tracking..
var dist = (worldObj.GameObject.transform.position - WorldCamera.transform.position).magnitude;
if (worldObj.Options != null &&
worldObj.Options.DistanceVariation is LinearDistanceVariation)
{
var linVar = (LinearDistanceVariation)worldObj.Options.DistanceVariation;
dist /= (float)linVar.Scale.GetValueOrDefault(1);
}
return dist;
}
public override void AddWorldObject(LocationARWorldObject worldObject, bool attach)
{
var state = new TrackedWorldObjectState();
var parent = new GameObject("AR Object");
state.WorldObjectParent = parent;
worldObject.GameObject.transform.SetParent(state.WorldObjectParent.transform);
worldObject.GameObject.transform.localPosition = Vector2.zero;
worldObject.GameObject.transform.localScale = Vector3.one;
worldObject.GameObject.transform.rotation = Quaternion.identity;
m_objStates.Add(worldObject, state);
// Leave the object inactive until we parent it to the correct anchor.
state.WorldObjectParent.SetActive(false);
base.AddWorldObject(worldObject, false);
}
protected void AdjustObject(LocationARWorldObject worldObject, bool isCameraTracking, TrackedWorldObjectState state)
{
state.WorldObjectParent.SetActive(true);
bool isTracking = UsingTracking && isCameraTracking;
if (!isTracking)
{
// Use the default rendering. We do this if ARKit stopped tracking.
if (state.TrackingState != ObjectTrackingState.NotTracking)
{
state.TrackingState = ObjectTrackingState.NotTracking;
state.WorldObjectParent.SetActive(false);
worldObject.GameObject.transform.SetParent(DefaultAnchor.transform);
worldObject.GameObject.transform.localRotation = Quaternion.identity;
worldObject.GameObject.transform.localScale = Vector3.one;
}
SetPosition(worldObject);
}
else
{
if (state.TrackingState != ObjectTrackingState.Tracking)
{
state.WorldObjectParent.transform.SetParent(TrackingAnchor.transform);
worldObject.GameObject.transform.SetParent(state.WorldObjectParent.transform);
worldObject.GameObject.transform.localPosition = Vector3.zero;
worldObject.GameObject.transform.localScale = Vector3.one;
worldObject.GameObject.transform.localRotation = Quaternion.identity;
SetObjectPosition(worldObject, state, m_gpsAnchorCoords);
state.TrackingState = ObjectTrackingState.Tracking;
}
AdjustTrackedObject(worldObject, state);
}
}
public override void RemoveWorldObject(LocationARWorldObject worldObject)
{
m_objStates.Remove(worldObject);
base.RemoveWorldObject(worldObject);
}
protected void SetObjectPosition(LocationARWorldObject worldObject, TrackedWorldObjectState state, Coordinates coords)
{
SetObjectPosition(worldObject, state.WorldObjectParent, coords);
}
