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using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Experimental.XR;
using UnityEngine.XR.ARFoundation;
[RequireComponent(typeof(ARSessionOrigin))]
public class PlaceOnPlane : MonoBehaviour
{
[SerializeField]
[Tooltip("Instantiates this prefab on a plane at the touch location.")]
GameObject m_PlacedPrefab;
/// <summary>
/// The prefab to instantiate on touch.
/// </summary>
public GameObject placedPrefab
{
get { return m_PlacedPrefab; }
set { m_PlacedPrefab = value; }
}
/// <summary>
/// The object instantiated as a result of a successful raycast intersection with a plane.
/// </summary>
public GameObject spawnedObject { get; private set; }
ARSessionOrigin m_SessionOrigin;
static List<ARRaycastHit> s_Hits = new List<ARRaycastHit>();
void Awake()
{
m_SessionOrigin = GetComponent<ARSessionOrigin>();
}
void Update()
{
if (Input.touchCount > 0)
{
Touch touch = Input.GetTouch(0);
if (m_SessionOrigin.Raycast(touch.position, s_Hits, TrackableType.PlaneWithinPolygon))
{
Pose hitPose = s_Hits[0].pose;
if (spawnedObject == null)
{
spawnedObject = Instantiate(m_PlacedPrefab, hitPose.position, hitPose.rotation);
}
else
{
spawnedObject.transform.position = hitPose.position;
}
}
}
}
}