// removes the object instance and detaches it from the world
private void DestroyObjectInstance()
{
if (objectInstance)
{
// remove object anchor, if it was anchored before
string anchorId = arManager.GetObjectAnchorId(objectInstance);
if (anchorId != string.Empty)
{
arManager.RemoveGameObjectAnchor(anchorId, false);
}
// destroy object
Destroy(objectInstance);
objectInstance = null;
}
}
// removes the model anchor
private bool RemoveModelAnchor(Transform model)
{
// remove the anchor
if (model && arManager)
{
// get the anchorId
string anchorId = arManager.GetObjectAnchorId(model.gameObject);
if (anchorId != string.Empty)
{
arManager.RemoveGameObjectAnchor(anchorId, false);
return(true);
}
}
return(false);
}
// invoked by the anchor-toggle
public void AnchorToggleSelected(bool bOn)
{
if (bIntAction || !anchorTransform || !arManager)
{
return;
}
if (bOn)
{
// activate the anchor transform, if needed
if (!anchorTransform.gameObject.activeSelf)
{
anchorTransform.gameObject.SetActive(true);
}
// create the anchor if needed
if (!arManager.IsValidAnchorId(anchorId))
{
if (modelTransform && modelTransform.gameObject.activeSelf)
{
// create the world anchor at model's position
anchorId = arManager.AnchorGameObjectToWorld(anchorTransform.gameObject, modelTransform.position, Quaternion.identity);
}
else
{
// raycast center of the screen
//Vector2 screenPos = new Vector2(Screen.width / 2f, Screen.height / 2f);
MultiARInterop.TrackableHit hit;
if (arManager.RaycastToWorld(false, out hit))
{
// create the world anchor at hit's position
anchorId = arManager.AnchorGameObjectToWorld(anchorTransform.gameObject, hit);
}
}
// attach the model to the same anchor
if (arManager.IsValidAnchorId(anchorId) && modelTransform && modelTransform.gameObject.activeSelf)
{
arManager.AttachObjectToAnchor(modelTransform.gameObject, anchorId, false, false);
}
}
}
else
{
// remove the anchor as needed
if (arManager.IsValidAnchorId(anchorId))
{
// create the world anchor
if (arManager.RemoveGameObjectAnchor(anchorId, true))
{
anchorId = string.Empty;
}
}
// deactivate the anchor transform, if needed
if (anchorTransform.gameObject.activeSelf)
{
anchorTransform.gameObject.SetActive(false);
}
}
}
// Update is called once per frame
void Update()
{
// check for tap
if (portalPrefab && arManager && arManager.IsInitialized() && arManager.IsInputAvailable(true))
{
MultiARInterop.InputAction action = arManager.GetInputAction();
if (action == MultiARInterop.InputAction.Click)
{
// raycast to world
MultiARInterop.TrackableHit hit;
if (arManager.RaycastToWorld(true, out hit))
{
// create the portal object, if needed
if (!portalObj)
{
portalObj = Instantiate(portalPrefab);
}
// set its position and rotation
portalObj.transform.position = hit.point;
portalObj.transform.rotation = !verticalPortal ? hit.rotation : Quaternion.identity;
// look at the camera
if (portalLookingAtCamera)
{
Camera arCamera = arManager.GetMainCamera();
MultiARInterop.TurnObjectToCamera(portalObj, arCamera, hit.point, hit.normal);
}
// remove object anchor, if it was anchored before
string anchorId = arManager.GetObjectAnchorId(portalObj);
if (anchorId != string.Empty)
{
arManager.RemoveGameObjectAnchor(anchorId, true);
}
// anchor it to the new world position
arManager.AnchorGameObjectToWorld(portalObj, hit);
// apply the vertical offset
if (verticalOffset != 0f)
{
Vector3 objPos = portalObj.transform.position;
//objPos.y += verticalOffset;
objPos += portalObj.transform.up * verticalOffset;
portalObj.transform.position = objPos;
}
// play portal-open animation
if (playAnimation != string.Empty)
{
// get reference to the portal animator
if (!animator)
{
animator = portalObj.GetComponent <Animator>();
}
if (animator)
{
animator.Play(playAnimation, 0, 0f);
}
}
// create camera rigidbody (no gravity) & box-collider, if needed
if (cameraBoxCollider != Vector3.zero)
{
Camera arCamera = arManager.GetMainCamera();
Rigidbody camRigidbody = arCamera.gameObject.GetComponent <Rigidbody>();
if (camRigidbody == null)
{
camRigidbody = arCamera.gameObject.AddComponent <Rigidbody>();
camRigidbody.useGravity = false;
}
BoxCollider camBoxCollider = arCamera.gameObject.GetComponent <BoxCollider>();
if (camBoxCollider == null)
{
camBoxCollider = arCamera.gameObject.AddComponent <BoxCollider>();
camBoxCollider.size = cameraBoxCollider;
camBoxCollider.isTrigger = true;
}
}
}
}
}
}