Ganns square of 9 overextended indicator

//@version=5
indicator('Ganns square of 9 overextended indicator', shorttitle='Overextended Indicator', overlay=false)

price_multiplier = input.float(10, title='Price Multiplier')
upper_line_2 = input(90, title='Upper Line 2 in Degrees')
upper_line_1 = input(45, title='Upper Line 1 in Degrees')
lower_line_1 = input(-45, title='Lower Line 1 in Degrees')
lower_line_2 = input(-90, title='Lower Line 2 in Degrees')
ma_size = input(14, title='Moving Average Size')

price = close * price_multiplier
ma = ta.sma(price, ma_size)

sqrt_price = math.sqrt(price)
sqrt_ma = math.sqrt(ma)

diff = sqrt_price - sqrt_ma
degrees = diff * 360 / 2

smooth_degrees = ta.sma(degrees, 2)

plot(smooth_degrees)
hline(upper_line_2, 'Upper Line 2', color=color.red)
hline(upper_line_1, 'Upper Line 1', color=color.orange)
hline(lower_line_1, 'Lower Line 1', color=color.blue)
hline(lower_line_2, 'Lower Line 2', color=color.purple)