chentz MACD

study(title="chentz MACD", shorttitle="MACD")

source = close

fastLength = input(12, minval=1)
slowLength=input(26,minval=1)
signalLength=input(9,minval=1)

maxLine=input(title="Max. Line", type=float, defval=0.3)
minLine=input(title="Min. Line", type=float, defval=-0.3)

fastMA = ema(source, fastLength)
slowMA = ema(source, slowLength)
macd = fastMA - slowMA

signal = ema(macd, signalLength)
hist = macd - signal

plot(hist, color=red, style=histogram)
plot(macd, color=blue)
plot(signal, color=orange)

hline(maxLine, title="Max Line", linestyle=dashed, color=green)
hline(minLine, title="Min Line", linestyle=dashed, color=red)
bgcolor(macd>=0 ? green : red , transp=90)

plotshape(crossover(macd, signal) ? macd : na, style=shape.triangleup,location=location.bottom, color=green)
plotshape(crossunder(macd, signal) ? macd : na, style=shape.triangledown,location=location.top, color=red)