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

public class Tower : MonoBehaviour
{
    public float range;
    [SerializeField] private LayerMask whatIsEnemy;
    private Collider[] collidersInRange; 
    public List<EnemyController> enemiesInRange = new List<EnemyController>();
    private float checkCounter;
    [SerializeField] private float checkTime = .2f;
    [HideInInspector] public bool enemiesUpdated;

    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        checkCounter = checkTime;
    }

    // Update is called once per frame
    void Update()
    {
        enemiesUpdated = false;
        checkCounter -= Time.deltaTime;
        if (checkCounter <= 0f)
        {
            checkCounter = checkTime;
            collidersInRange = Physics.OverlapSphere(transform.position, range, whatIsEnemy);
            enemiesInRange.Clear();
            foreach (Collider collider in collidersInRange)
            {
                if (collider.gameObject.GetComponent<EnemyController>() != null)
                {
                    enemiesInRange.Add(collider.GetComponent<EnemyController>());
                }
            }
            enemiesUpdated = true;
        }
    }
}