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if (currentHp < _hpUpdateDecCheck || currentHp > _hpUpdateIncCheck)
	    {
	        needUpdate = true;
	        
	        _hpUpdateDecCheck = Double.MAX_VALUE;
	        _hpUpdateIncCheck = Double.MAX_VALUE;
	        
	        _hpUpdateDecCheck -= (_hpUpdateDecCheck - currentHp)/_hpUpdateInterval*_hpUpdateInterval;
	        _hpUpdateIncCheck -= (_hpUpdateDecCheck - currentHp)/_hpUpdateInterval*_hpUpdateInterval-_hpUpdateInterval;
	        
	        if (_hpUpdateDecCheck < 0.0)
	        	_hpUpdateDecCheck *= -1.0;
	        
	        if (_hpUpdateIncCheck < 0.0)
	        	_hpUpdateIncCheck *= -1.0;
	    }