Скрипт стрельбы

using UnityEngine;
using System.Collections;
 
public class Bullet : MonoBehaviour {
    public GameObject target;
 
    private int bulletSpeed = 200;
 
    private float timerLife;
    
    Vector3 _lastPos;
    private Transform _myTransform;
 
    void Start () {
        _myTransform = transform;
        _lastPos = transform.position;
        timerLife = 5;
    }
 
    void Update () {
        timerLife -= Time.deltaTime;
 
        transform.Translate (Vector3.forward * bulletSpeed * Time.deltaTime);
        RaycastHit hit;
 
        if (Physics.Linecast (_lastPos, transform.position, out hit)) {
            Dead ();
 
            Debug.Log (_myTransform.position + " " + hit.transform.name);
        }
 
        if (timerLife <= 0) Dead ();
 
        _lastPos = transform.position;
    }
 
    void Dead () {
        Destroy (gameObject);
        if (GameObject.Find ("Enemy")) {
            EnemyHealth eh = (EnemyHealth)target.GetComponent ("EnemyHealth");
            eh.AddjustCurrentHealth (-10);
        }
    }
}

using UnityEngine;
using System.Collections;
 
public class EnemyHealth : MonoBehaviour {
    public int curHealth = 100;
    public int maxHealth = 100;
    
    private float healthBarLength;
    
    void Start () {
        healthBarLength = Screen.width / 3;
        if (maxHealth < 1) maxHealth = 1;
        curHealth = maxHealth;
    }
    
    void OnGUI () {
        GUI.Box (new Rect (10, 40, healthBarLength, 20), curHealth + "/" + maxHealth);
    }
    
    public void AddjustCurrentHealth (int adj) {
        curHealth = adj;
        healthBarLength = (Screen.width / 2) * (curHealth / (float)maxHealth);
    }
}

var eh = hit.gameObject.GetComponent<EnemyHealth>();
if (eh) eh.curHealth -= damage;