void OnTriggerEnter(Collider c)
    {
        Vector3 pos = c.GetComponent <Transform>().position;

        summon.transform.position = pos + new Vector3(0, 1, 0);
        Damage aratk = GameObject.Find("Damage").GetComponent <Damage>();

        if (c.gameObject == aboss)
        {
            summon.gameObject.SetActive(true);
            summon.Play();
            GameObject.Find("long_damage_sound").GetComponent <AudioSource>().Play();
            boxman Boss = GameObject.Find("boxman").GetComponent <boxman>();
            Destroy(gameObject);

            for (int i = 0; i < 2; i++)
            {
                Boss.hp--;
            }
        }

        if (c.gameObject == bboss)
        {
            summon.gameObject.SetActive(true);
            summon.Play();
            GameObject.Find("long_damage_sound").GetComponent <AudioSource>().Play();
            boxman2 bBoss = GameObject.Find("BOXMAN2").GetComponent <boxman2>();
            Destroy(gameObject);


            bBoss.hp = bBoss.hp - 10;
        }

        if (c.gameObject == cboss)
        {
            summon.gameObject.SetActive(true);
            summon.Play();
            GameObject.Find("long_damage_sound").GetComponent <AudioSource>().Play();
            goblin cBoss = GameObject.Find("Goblin").GetComponent <goblin>();
            Destroy(gameObject);


            cBoss.hp = cBoss.hp - 10;
        }

        Destroy(gameObject, 0.3f);
    }
    // Update is called once per frame
    void Update()
    {
        boxman2 Boss = GameObject.Find("BOXMAN2").GetComponent <boxman2>();

        Hpbar.fillAmount = Boss.hp / 10f;
    }