/// <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;
}
}
}
}
