void checkHealth()
 {
     if (health <= 0 && isAlive)
     {
         isAlive = false;
         Debug.Log("I died");
         Player.GetComponent <Movement>().killCount += 1;
         this.gameObject.GetComponent <CapsuleCollider>().enabled  = false;
         this.gameObject.GetComponent <NavMeshAgent>().enabled     = false;
         this.gameObject.GetComponent <EnemyBaseActions>().enabled = false;
         zombieAnim.ZombieDie();
         if (dieWait <= 0)
         {
             Destroy(this.gameObject);
         }
         else
         {
             dieWait -= Time.deltaTime;
         }
     }
 }