public void Update()
{
// Check that motion tracking is tracking.
if (Frame.TrackingState != TrackingState.Tracking)
{
const int lostTrackingSleepTimeout = 15;
Screen.sleepTimeout = lostTrackingSleepTimeout;
return;
}
Screen.sleepTimeout = SleepTimeout.NeverSleep;
// Iterate over planes found in this frame and instantiate corresponding GameObjects to visualize them.
Frame.GetPlanes(m_NewPlanes, TrackableQueryFilter.New);
for (int i = 0; i < m_NewPlanes.Count; i++)
{
// Instantiate a plane visualization prefab and set it to track the new plane. The transform is set to
// the origin with an identity rotation since the mesh for our prefab is updated in Unity World
// coordinates.
GameObject planeObject = Instantiate(TrackedPlanePrefab, Vector3.zero, Quaternion.identity,
transform);
planeObject.GetComponent <SurfacePlaneVisualizer>().Initialize(m_NewPlanes[i]);
}
// Disable the snackbar UI when no planes are valid.
Frame.GetPlanes(m_AllPlanes);
debugOverlay.WritePlaneInformationToScreen(m_NewPlanes, m_AllPlanes);
// If the player has not touched the screen, we are done with this update.
Touch touch;
if (Input.touchCount < 1 || (touch = Input.GetTouch(0)).phase != TouchPhase.Began)
{
return;
}
// Raycast against the location the player touched to search for planes.
TrackableHit hit;
TrackableHitFlags raycastFilter = TrackableHitFlags.PlaneWithinBounds | TrackableHitFlags.PlaneWithinPolygon;
if (Session.Raycast(touch.position.x, touch.position.y, raycastFilter, out hit))
{
if (playerInitiated)
{
touchHandler.HandlePlayerMovement(hit, instantiatedObject);
return;
}
instantiatedObject = Instantiate(HeroPrefab, hit.Pose.position, hit.Pose.rotation);
// Player should look at the camera but still be flush with the plane.
instantiatedObject.transform.LookAt(FirstPersonCamera.transform);
instantiatedObject.transform.rotation = Quaternion.Euler(0.0f,
instantiatedObject.transform.rotation.eulerAngles.y, instantiatedObject.transform.rotation.z);
playerInitiated = true;
}
}
