ZLSMA Trend + Al/Sat Sinyali

/version=6
indicator("ZLSMA Trend + Al/Sat Sinyali", overlay=true, max_labels_count=500)


length = input.int(25, "ZLSMA Periyodu")
src = input.source(close, "Kaynak")
thickness = input.int(4, "Çizgi Kalınlığı")
colorUp = input.color(color.new(color.lime, 0), "Yükselen Renk")
colorDown = input.color(color.new(color.red, 0), "Düşen Renk")


ema1 = ta.ema(src, length)
ema2 = ta.ema(ema1, length)
zlsma = 2 * ema1 - ema2


trendUp = zlsma > zlsma[1]
trendDown = zlsma < zlsma[1]

zlsmaColor = trendUp ? colorUp : colorDown


plot(zlsma, title="ZLSMA", color=zlsmaColor, linewidth=thickness)


buySignal = ta.crossover(close, zlsma)
sellSignal = ta.crossunder(close, zlsma)


plotshape(buySignal, title="Al", location=location.belowbar, color=color.new(color.lime, 0), style=shape.triangleup, size=size.large, text="AL")
plotshape(sellSignal, title="Sat", location=location.abovebar, color=color.new(color.red, 0), style=shape.triangledown, size=size.large, text="SAT")


bgcolor(trendUp ? color.new(color.lime, 90) : color.new(color.red, 90))