void OnTriggerStay2D(Collider2D col)
    {
        _IsDamagable damagableObj = col.GetComponent <_IsDamagable> ();

        if (damagableObj != null)
        {
            damagableObj.TakeHit();
        }
    }
    void OnTriggerStay2D(Collider2D col)
    {
        CustomCharacterController characterObj = col.GetComponent <CustomCharacterController> ();

        if (characterObj != null)          //hitei meu jogador
        {
            _IsDamagable damagableObj = col.GetComponent <_IsDamagable> ();
            if (!characterObj.characterInfo.isJumping)
            {
                damagableObj.TakeHit();
            }
        }
        else            //hitei outro inimigo
        {
            _IsDamagable damagableObj = col.GetComponent <_IsDamagable> ();
            if (damagableObj != null)
            {
                damagableObj.TakeHit();
            }
        }
    }