Game_CodeMM/Assets/00_scripts/Backup/BuildingPlacer.cs

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

public class BuildingPlacer : MonoBehaviour
{
    public GameObject buildingPrefab;

    // Start is called before the first frame update
    void Start()
    {
    }

    private void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            Vector3 mousePos = Camera.main.ScreenToWorldPoint(Input.mousePosition);
            Vector3 gridPos = new Vector3(Mathf.RoundToInt(mousePos.x),
                Mathf.RoundToInt(mousePos.y),
                0);
            GameObject buildPrefab = Instantiate(buildingPrefab, gridPos, Quaternion.identity);
            buildPrefab.name = $"Building {gridPos}";
        }
    }
}