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

public class Torre : MonoBehaviour {

    public int m_dano;
    public float delay;
    public float raioDeTiro;
    public GameObject tiro;
    public float speed;

    public void Start(){

        StartCoroutine (Atirar ());
    }


    public IEnumerator Atirar(){
        yield return new WaitForSeconds (delay);
        List<BaseEnemy> enemiesInRadius =
            GameManager.m_instance.GetEnemies (raioDeTiro, transform);
        BaseEnemy target = new BaseEnemy ();
        float distance = raioDeTiro;
        foreach (BaseEnemy b in enemiesInRadius) {
            if (Vector3.Distance (transform.position,
                b.transform.position) < distance) {
                distance = Vector3.Distance (transform.position,
                    b.transform.position);
                target = b;
            }

        }
        if (target != null) {
            GameObject novotiro =(GameObject)
                GameObject.Instantiate (tiro, transform.position,
                    transform.rotation);
            novotiro.GetComponent<Tiro> ().SetDano (m_dano);
            float tbullet = distance / speed;
            novotiro.transform.LookAt (target.transform.position);
            Rigidbody rb = novotiro.GetComponent<Rigidbody> ();
            rb.AddForce (novotiro.transform.forward * speed);
        }
        StartCoroutine (Atirar ());
    }
}