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

public class BulletController : MonoBehaviour {
    [SerializeField] GameObject explosion;

    [SerializeField] int damage = 1;
    [SerializeField] public int speed = 60; // ppf

    Rigidbody2D body;
    // Start is called before the first frame update
    void Start()
    {
    }

    void Die() {
        Instantiate(explosion);
        explosion.transform.position = transform.position;
        Destroy(gameObject);
    }

    public void InitializeBullet(bool down, float angle = 0) {
        body = GetComponent<Rigidbody2D>();
        if (down) {
            transform.localScale = new Vector2(1.0f, -1.0f);
            body.velocity = new Vector2(
                -1.0f * speed * Mathf.Sin(angle),
                -1.0f * speed * Mathf.Cos(angle));
        } else {
            body.velocity = new Vector2(
                speed * Mathf.Sin(angle),
                speed * Mathf.Cos(angle));
        }
        GetComponent<Rigidbody2D>().SetRotation(angle*-180f/Mathf.PI);
    }

    private void OnTriggerEnter2D(Collider2D collision) {
        if (collision.gameObject.CompareTag("PegLegIoEnemy")) {
            collision.gameObject.GetComponent<PegLegIoEnemyController>().Hurt(damage);
            Die();
        }
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        if (Mathf.Abs(transform.position.x) > 480 || Mathf.Abs(transform.position.y) > 270) {
            Die();
        }
    }
}