Repository/Assets/Script/Object_Control.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using UnityEngine.XR.ARFoundation;

public class Object_Control : MonoBehaviour
{
    [SerializeField]
    private PlacementObject[] placedObjects;
    
    [SerializeField]
    private Camera arCamera;

    [SerializeField]
    private GameObject gameObject;
    private Vector2 touchPosition = default;

    private ARRaycastManager aRRaycastManager;

    private bool is_Hold = false;
    [SerializeField]
    private float maxDistanceOnSelection = 25.0f;

    static List<ARRaycastHit> hits = new List<ARRaycastHit>();
    void Update()
    {
        // do not capture events unless the welcome panel is hidden

        if (Input.touchCount > 0)
        {
            Touch touch = Input.GetTouch(0);

            if (touch.phase == TouchPhase.Began)
            {
                Ray ray = Camera.main.ScreenPointToRay(touch.position);
                RaycastHit hitObj; ;

                if(Physics.Raycast(ray,out hitObj, maxDistanceOnSelection))
                {
                    if (hitObj.transform.name.Contains("PlaceObject"))
                    {
                        is_Hold = true;
                    }
                }
            }
            if(touch.phase == TouchPhase.Moved)
            {
                touchPosition = touch.position;
            }
            if(touch.phase == TouchPhase.Ended)
            {
                is_Hold = false;
            }
        }
        if (is_Hold)
        {
            if (aRRaycastManager.Raycast(touchPosition, hits, UnityEngine.XR.ARSubsystems.TrackableType.All))
            {
                Pose hitPose = hits[0].pose;
                gameObject.transform.position = hitPose.position;
                gameObject.transform.rotation = hitPose.rotation;
            }
        }  
    } 
}