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

[RequireComponent(typeof(Hazard))]
public class BaseEnemy : MonoBehaviour {

    public float speed = 2f;
    public float maxMoveDistance = 5f;
    protected float moveDistanceLeft;
    Rigidbody2D body;
    protected SpriteRenderer sr;
    protected float startMoveTime;

    public Transform rightCollisionPos;
    public Transform leftCollisionPos;

    public bool hasEnteredView = false;

    void Start()
    {
        body = GetComponent<Rigidbody2D>();
        sr = GetComponent<SpriteRenderer>();
        startMoveTime = Time.time + .4f;
        moveDistanceLeft = maxMoveDistance;
    }
    //move enemy in dir direction
    protected void Move(Vector2 dir)
    {
        moveDistanceLeft -= (dir * speed * Time.deltaTime).magnitude;
        body.transform.Translate(dir * speed * Time.deltaTime);
    }
    //check for collision in dir direction and start horizontal check in collisionPos
    protected bool CheckCollision(Vector2 dir, Vector3 collisionPos)
    {
        RaycastHit2D hitSide = Physics2D.Raycast(collisionPos, dir, .1f);
        RaycastHit2D hitDown = Physics2D.Raycast(collisionPos, -transform.up, .1f);

        if (hitDown.collider != null && hitSide.collider == null)
        {
            return true;
        }
        return false;
    }
	protected bool CheckCollisionCharge(Vector2 dir, Vector3 collisionPos)
	{
		RaycastHit2D hitSide = Physics2D.Raycast(collisionPos, dir, .1f);

		if (hitSide.collider == null)
		{
			return true;
		}
		return false;
	}
}