MenuTower

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

public class MenuTower : MonoBehaviour
{
    private bool showMenu = false;
    public TowerController tower;
    void Start()
    {
        tower = GetComponent<TowerController>();
    }
    private void OnMouseDown()
    {
        showMenu = true;
    }
    private void OnGUI()
    {
        if (showMenu)
        {
            Vector3 pos = new Vector3(transform.position.x,
                transform.position.y, transform.position.z);
            Vector3 crd = Camera.main.WorldToScreenPoint(pos);
            crd.y = Screen.height - crd.y;
            GUI.Box(new Rect(crd.x - 150, crd.y - 100, 310, 200),
                $"Управление башней {gameObject.name}");
            GUI.Label(new Rect(crd.x - 140, crd.y - 100, 290, 160),
                $"Уровень: {tower.level}\nУрон: {tower.damage}\n" +
                $"Скорость: {tower.speed}\n" +
                $"Радиус: {tower.radius}\n" +
                $"Стоимость улучшения: {tower.priceUpgrade}\n" +
                $"Стоимость продажи: {tower.priceSell}");
            if (GUI.Button(new Rect(crd.x - 145, crd.y + 20, 290, 20),
                "Купить улучшение"))
            {
                if (GameSystem.Money >= tower.priceUpgrade)
                {
                    GameSystem.Money -= tower.priceUpgrade;
                    tower.LevelUp();
                }

            }
            if (GUI.Button(new Rect(crd.x - 145, crd.y + 40, 290, 20),
                    "Продать башню"))
            {
                GameSystem.Money += tower.priceSell;
                Destroy(gameObject);
                showMenu = false;
            }
            if (GUI.Button(new Rect(crd.x - 145, crd.y + 70, 290, 20),
                "Закрыть меню"))
            {
                showMenu = false;
            }
        }
    }

}