void OnTriggerEnter2D(Collider2D collision) { EnemyHP hp = collision.GetComponent <EnemyHP>(); Transform target = hp.transform; hp.knockBack(); GameObject contr = GameObject.FindWithTag("Player"); controller c = contr.GetComponent <controller>(); if (hp != null) { hp.getDmg(c.strength); } Debug.Log(collision); Destroy(gameObject); }