void Update()
    {
        if (Input.touchCount > 0)
        {
            Touch touch = Input.GetTouch(0);

            if (touch.phase == TouchPhase.Began)
            {
                if (m_RaycastManager.Raycast(touch.position, s_Hits, TrackableType.PlaneWithinPolygon))
                {
                    Pose hitPose = s_Hits[0].pose;

                    string res = VisionML.GetInstance().m_identifier;
                    if (!String.IsNullOrEmpty(res))
                    {
                        spawnedObject = Instantiate(m_PlacedPrefab, hitPose.position, hitPose.rotation);

                        Quaternion targetRot = Quaternion.LookRotation(-Camera.main.transform.up, -Camera.main.transform.forward);
                        Vector3    euler     = targetRot.eulerAngles;
                        euler.x = 0f;
                        euler.y = euler.y - 180f;
                        euler.z = 0f;

                        spawnedObject.transform.rotation = Quaternion.Euler(euler);

                        // set up the result to the Textfield
                        spawnedObject.GetComponent <ARLabel>().m_text.text = res;
                    }
                }
            }
        }
    }
 void Awake()
 {
     instance = this;
 }