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

[RequireComponent(typeof(Rigidbody))]

public class Asteroid : MonoBehaviour
{
    [Header("Inscribed")]
    public float speed = 10;

    public int numSplit = 2;

    [Header("Dynamic")]
    public int size = 3;
    // Start is called before the first frame update
    void Start()
    {
        Vector3 vel = Random.insideUnitCircle;
        if (vel.magnitude == 0)
        {
            vel = Random.insideUnitCircle;
        }
        vel.Normalize();
        vel *= speed / size;
        GetComponent<Rigidbody>().velocity = vel;

        transform.localScale = Vector3.one * (size / 3f);
    }

    // Update is called once per frame
    void Update()
    {

    }

    private void OnCollisionEnter(Collision collision)
    {
        bullet bull = collision.gameObject.GetComponent<bullet>();
        if (bull == null) return;


        bull.KillMe();

        if (size > 1)
        {
            for (int i = 0; i < numSplit; i++)
            {
                GameObject go = Instantiate<GameObject>(this.gameObject);
                Asteroid ast = go.GetComponent<Asteroid>();
                ast.size = size - 1;
            }
        }

        Destroy(gameObject);
    }
}