// ***********************************************************************
// Assembly         : Game
// Author           : Kimch
// Created          : 2020-09-02
// Description      :
// Last Modified By : 
// Last Modified On : 
// ***********************************************************************
// <copyright file= "Bullet_magicmissile" company="Kimch"></copyright>
// <summary></summary>
// ***********************************************************************
using UnityEngine;

namespace G
{
	/// <summary>
	/// 
	/// </summary>
	public class Bullet_magicmissile : MonoBehaviour
	{
		public float closetime = 3f;

		public float homingrate;

		public float homingspeed;

		private float _delay;

		private Quaternion _rotate;

		private Vector3 _originscale;
		private Vector3 _reduceVector;

		private void Awake()
		{
			_originscale = transform.localScale;
		}

		private void Start()
		{
			_reduceVector = new Vector3(0.5f, 1f, 1f);
			InvokeRepeating(nameof(SetDir), 0f, 0.1f);
		}

		private void OnEnable()
		{
			_delay = 0f;
			transform.localScale = _originscale;
		}

		public void SetDir()
		{
			var directionVector = EntityMainPlayer.Instance.position - transform.position;
			directionVector.y = 0f;
			if (directionVector != Vector3.zero)
			{
				_rotate = Quaternion.LookRotation(directionVector);
			}
		}

		private void Update()
		{
			transform.rotation = Quaternion.Lerp(transform.rotation, _rotate, Time.deltaTime * homingrate);
			transform.position += transform.forward * (Time.deltaTime * homingspeed);

			_delay += Time.deltaTime;
			if (_delay > closetime)
			{
				Vector3 localScale = transform.localScale;
				localScale -= _reduceVector * (Time.deltaTime * 1.5f);
				transform.localScale = localScale;
				if (localScale.z < 0.02f)
				{
					transform.position = Vector3.one * 4f;
					this.gameObject.SetActive(false);
				}
			}
		}
	}
}