Gun

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

public class Gun : MonoBehaviour
{
    public Transform barrel;
    public float range = 0f;

    void Update ()
    {
        if (Input.GetButton("Fire1"))
        {
            Debug.Log("1");
            StartCoroutine("Fire");
        }
    }

    IEnumerator Fire ()
    {
        Debug.Log("2");
        RaycastHit hit;
        Ray ray = new Ray(barrel.position, transform.forward);
        if (Physics.Raycast(ray, out hit, range))
        {
            //if (hit.collider.tag == "Enemy")
            //{
            //  Enemy enemy = hit.collider.GetComponent<Enemy>();
            //  enemy.health -= 1;
            //}
            Debug.Log("3");
        }
        Debug.DrawRay(barrel.position, transform.forward * range, Color.green);
        yield return null;
    }
}