PeachValley_ET6/Unity/Assets/Scripts/Test/GameMananger.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.AI;

public class GameMananger : MonoBehaviour
{
    public GameObject wallPrefab;
    public GameObject layout;
    public NavMeshSurface2d navMesh;
    // Start is called before the first frame update
    void Start()
    {
        
    }

    // Update is called once per frame
    void Update()
    {
        if (Input.GetMouseButtonUp(0))
        {
            var target = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            target.z = 0;

            var newWall = Instantiate(wallPrefab);
            newWall.transform.SetParent(layout.transform, false);
            newWall.transform.position = target;

            Physics2D.SyncTransforms();
            navMesh.BuildNavMesh();
        }
    }
}