void OnTriggerEnter(Collider other)
{
// if game object intersect background
if (other.gameObject.tag.Equals("DisplayPlane"))
{
if (ARRootCollider.bounds.min.z <= 0)
{
float z_transform_val = Mathf.Abs(ARRootCollider.bounds.min.z) + 50;
gameObject.transform.position = new Vector3(gameObject.transform.position.x, gameObject.transform.position.y, z_transform_val);
ARCamera.PositionCameraZ(z_transform_val);
}
}
}