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Part 1 of the script to place holograms based on raycasts with AR Foundation
public class ARPlaceHologram : MonoBehaviour
// The prefab to instantiate on touch.
private GameObject _prefabToPlace;
// Cache ARRaycastManager GameObject from ARCoreSession
private ARRaycastManager _raycastManager;
// List for raycast hits is re-used by raycast manager
private static readonly List<ARRaycastHit> Hits = new List<ARRaycastHit>();
void Awake()
_raycastManager = GetComponent<ARRaycastManager>();
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