AR Core 미리 할당된 오브젝트의 위치이동으로 구현하기

터치하면 

public GameObject ObjPrefab;

할당해놓은 오브젝트가 anchor 위치로 이동함.

Anchor.cs 열어보면 Anchor가 트레킹 되지않을경우 child Object들은 setActive를 끄는 부분이 존재함. 주의

public void Update()
        {
            _UpdateApplicationLifecycle();
 
            Touch touch;
            if (Input.touchCount < 1 || (touch = Input.GetTouch(0)).phase != TouchPhase.Began)
            {
                return;
            }
 
            if (EventSystem.current.IsPointerOverGameObject(touch.fingerId))
            {
                return;
            }
 
            TrackableHitFlags raycastFilter = TrackableHitFlags.PlaneWithinPolygon |
                TrackableHitFlags.FeaturePointWithSurfaceNormal;
 
            if (Frame.Raycast(touch.position.x, touch.position.y, raycastFilter, out TrackableHit hit))
            {
                if ((hit.Trackable is DetectedPlane) &&
                    Vector3.Dot(FirstPersonCamera.transform.position - hit.Pose.position,
                        hit.Pose.rotation * Vector3.up) < 0)
                {
                    Debug.Log("Hit at back of the current DetectedPlane");
                }
                else
                {
                    //GameObject prefab;
                    if (hit.Trackable is FeaturePoint)
                        return;
                    
                    var anchor = hit.Trackable.CreateAnchor(hit.Pose);
                    ObjPrefab.transform.parent = anchor.transform;
 
                    Vector3 l_euler = FirstPersonCamera.transform.rotation.eulerAngles;
 
                    l_euler = new Vector3(0f, l_euler.y, 0f);
 
                    ObjPrefab.transform.rotation = Quaternion.Euler(l_euler);
                    ObjPrefab.transform.localPosition = new Vector3(0f, 1f, 0f);
                }
            }
        }