/// <summary> /// The Unity Update() method. /// </summary> public void Update() { _UpdateApplicationLifecycle(); // 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; } // Should not handle input if the player is pointing on UI. if (EventSystem.current.IsPointerOverGameObject(touch.fingerId)) { return; } // Raycast against the location the player touched to search for planes. TrackableHit hit; TrackableHitFlags raycastFilter = TrackableHitFlags.PlaneWithinPolygon | TrackableHitFlags.FeaturePointWithSurfaceNormal; if (Frame.Raycast(touch.position.x, touch.position.y, raycastFilter, out hit)) { // Use hit pose and camera pose to check if hittest is from the // back of the plane, if it is, no need to create the anchor. 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 { // Choose the prefab based on the Trackable that got hit. GameObject prefab; if (hit.Trackable is FeaturePoint) { prefab = GameObjectPointPrefab; } else if (hit.Trackable is DetectedPlane) { DetectedPlane detectedPlane = hit.Trackable as DetectedPlane; if (detectedPlane.PlaneType == DetectedPlaneType.Vertical) { prefab = GameObjectVerticalPlanePrefab; } else { prefab = GameObjectHorizontalPlanePrefab; } } else { prefab = GameObjectHorizontalPlanePrefab; } // Instantiate prefab at the hit pose. if (isChracterset == false) { var gameObject = Instantiate(prefab, hit.Pose.position, hit.Pose.rotation); // Compensate for the hitPose rotation facing away from the raycast (i.e. // camera). gameObject.transform.Rotate(0, k_PrefabRotation, 0, Space.Self); // Create an anchor to allow ARCore to track the hitpoint as understanding of // the physical world evolves. var anchor = hit.Trackable.CreateAnchor(hit.Pose); // Make game object a child of the anchor. gameObject.transform.parent = anchor.transform; isChracterset = true; CharismaExampleScript.Starting(); planeVis.SetActive(false); Charisma.GetComponent <ExampleScript>().ARPrefab = gameObject; } } } }