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    private void OnTriggerEnter2D(Collider2D col) {

        // Ä̲ᤷ¤¿¥³¥é¥¤¥À¡¼¤ò»ý¤Ä¥²¡¼¥à¥ª¥Ö¥¸¥§¥¯¥È¤Î Tag ¤¬ Coin ¤Î¾ì¹ç
        if (col.gameObject.tag == "Coin") {

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            coinPoint += col.gameObject.GetComponent<Coin>().point;

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            Destroy(col.gameObject);
        }
    }
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