Enemy2.cs

using UnityEngine;
using System.Collections;

public class Enemy2 : MonoBehaviour {


    public int health = 2;

    public GameObject wheels;

    public Vector3 enemyAngle = new Vector3(0, 270, 90);

    public GameObject turret;
    public GameObject bullet;
    public Vector3 posCanon;
    
    void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.tag == "Bullet")
        {

            health = health - 1;
        }
    }

    void Update()
    {
        //Shooting ===================================================
        posCanon = new Vector3(turret.transform.position.x, turret.transform.position.y - 0.5f, turret.transform.position.z);


//Health-----------------------------------------------------------------------------------
        if (health == 0)
            Destroy(gameObject);
        if (health == 1)
            Destroy(wheels);

        if (transform.eulerAngles != enemyAngle)
            transform.eulerAngles = enemyAngle;
    }
}