Defensa de torres básica

using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.Pool;
using TMPro;

public class Tower : MonoBehaviour
{
    [SerializeField] private TowerData data;
    [SerializeField] private Bolt boltPrefab;
    [SerializeField] private TMP_Text infoText;

    private int level;
    private int gold;

    // Listo: el creep más cercano a la torre dentro del alcance, o null.
    Creep Nearest(float range)
    {
        Creep nearest = null;
        float best = Mathf.Infinity;
        foreach (Collider hit in Physics.OverlapSphere(transform.position, range))
        {
            if (hit.TryGetComponent(out Creep creep))
            {
                float distance = Vector3.Distance(transform.position, creep.transform.position);
                if (distance < best)
                {
                    best = distance;
                    nearest = creep;
                }
            }
        }
        return nearest;
    }

    // Listo: muestra el nivel y el oro, como Level 1, 0 gold.
    void Show()
    {
        infoText.text = "Level " + (level + 1) + ", " + gold + " gold";
    }
}