strongObj.cs

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

public class strongObj : MonoBehaviour, IDropHandler
{
    private GameObject go;

    public void OnDrop(PointerEventData eventData)
    {
        
        Ui.nameObj = GameObject.FindWithTag("fort").tag;

        float objx = GameObject.Find("bin").transform.position.x;
        float objy = GameObject.Find("bin").transform.position.y;

        if (objx + 90 > Input.mousePosition.x && objx - 90 < Input.mousePosition.x && objy + 90 > Input.mousePosition.y && objy - 90 < Input.mousePosition.y)
        {
            go = GameObject.FindWithTag("fort");
            Destroy(go);
            Ui.difficulty = Ui.difficulty - 3;
            Ui.nbObst = Ui.nbObst + 1;
        }

    }
}