Easy enemy

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

public class Enemy : MonoBehaviour
{
    public GameObject player;
    public GameObject Cube;

    public float shootRare;
    public float speed;
    public float heigh;
    float currentDelay = 0f;
    float damage = 20f;

    bool canJump = false;

    public float right = 1f;
    void Start()
    {
        currentDelay = shootRare;
    }

    void Update()
    {
        if(currentDelay <= 0f)
        {
            Shoot();
        }
        else
        {
            currentDelay -= Time.deltaTime;
        }
    }
    void Shoot()
    {
        transform.LookAt(player.transform);
        Ray ray = new Ray(transform.position, transform.forward + Vector3.right * Random.Range(-0.2f, 0.2f));
        RaycastHit hit;
        Debug.DrawRay(ray.origin, ray.direction, Color.green, 10f);

        if ( Physics.Raycast ( ray, out hit, float.PositiveInfinity) )
        {
            GameObject obj = hit.collider.gameObject;
            Heal health = obj.GetComponent<Heal>();
            if(health)
            {
                health.DealDamage(damage);
            }
        }

        if (Random.Range(0f, 1f) > 0.5f) right = 1f;
        else right = -1f;
        transform.Rotate(Vector3.up, 90f * right);
        Move();

        currentDelay = shootRare;
    }

    void Move()
    {
        Rigidbody rb = GetComponent<Rigidbody>();
        Ray ray = new Ray(transform.position, Vector3.down);
        float distance1 = Vector3.Distance(transform.position, player.transform.position);
        float distance2 = Vector3.Distance(transform.position, Cube.transform.position);

        if (Physics.Raycast(ray, 1))
        {
            canJump = true;
        }

        if (canJump)
        {
            rb.AddForce(Vector3.up * heigh, ForceMode.VelocityChange);
            canJump = false;
        }

        if ( rb.velocity.magnitude < 2f )
        {
            if (distance2 < 5f)
            {
                transform.LookAt(player.transform);
                transform.Rotate(Vector3.up, 180f);
                rb.AddRelativeForce(transform.forward * speed, ForceMode.VelocityChange);
            }
            if (distance1 > 5f)
            {
                transform.LookAt(player.transform);
                rb.AddRelativeForce(transform.forward * speed, ForceMode.VelocityChange);
            }
            else
            {
                rb.AddRelativeForce(transform.forward * speed, ForceMode.VelocityChange);
            }
        }
    }
}