Индикатор Аллигатор и Фракталы

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#thinkscript indicator: FractalsAlligator.
#Показывает фракталы и аллигатор.
#by thetrader.pro
input price = hl2;
input l1 = 13;
#период челюстиinput l2 = 8;
#период зубовinput l3 = 5; #период губinput disp1 = -8;   
#смещение челюстейinput disp2 = -5; 
#смещения зубовinput disp3 = -3;   
#смещение губinput averageType = AverageType.WILDERS;
plot Jaw = MovingAverage(averageType, price[-disp1], l1);
plot Teeth = MovingAverage(averageType, price[-disp2], l2);
plot Lips = MovingAverage(averageType, price[-disp3],l3);
Jaw.SetDefaultColor(Color.BLUE);
Teeth.SetDefaultColor(Color.RED);
Lips.SetDefaultColor(Color.GREEN);
def FractalUp = high[-2]<high[-1] and high[-1]<high[0] and high[0]>high[1] and high[1]>high[2];
def FractalDown = low[-2]>low[-1]and low[-1]>low[0]and low[0]<low[1]and low[1]<low[2];
def bSignalUp =  FractalUp ;
def bSignalDown = FractalDown;
plot up = if bSignalUp  then high else double.NaN;plot down = if bSignalDown then high else double.NaN;
up.SetPaintingStrategy(paintingStrategy.BOOLEAN_ARROW_down);
down.SetPaintingStrategy(paintingStrategy.BOOLEAN_ARROW_up);
up.setDefaultColor(color.LIGHT_red);
down.setDefaultColor(color.LIGHT_green);