SMA 200 Trend Channel

# Trend Channel
# Assembled by BenTen at useThinkScript.com
# Converted from https://www.tradingview.com/script/nApbXCts-Trend-Channel-Gu5/

input src = close;
input smaL = 200;
input lrange = 0.618;
input mrange = 100;

def chTop = simpleMovingAvg(src, smaL) * ((lrange / mrange) + 1);
def chBottom = simpleMovingAvg(src, smaL) * (1 - (lrange / mrange));

def SMAtr = simpleMovingAvg(src, smaL);
def range = ((open <= chTop) or(close <= chTop)) and((open >= chBottom) or(close >= chBottom));

plot sma200 = SMAtr;

assignPriceColor(if range then Color.Orange else if src > SMAtr then Color.Green else if src<SMAtr then Color.Red else Color.White);