Zero lag

//@version=5
indicator(title='ZLSMA Trend- Zero Lag SMA Trend', shorttitle='ZLSMA Trend', overlay=true, timeframe='')
length = input(title='Length', defval=32)
offset = input(title='Offset', defval=0)
src = input(close, title='Source')
lsma = ta.linreg(src, length, offset)
lsma2 = ta.linreg(lsma, length, offset)
eq = lsma - lsma2
zlsma = lsma + eq
zcolorchange = input(title='Change Color ?', defval=true)
zColor = zcolorchange ? zlsma > zlsma[1] ? color.blue : color.red : color.yellow
plot(zlsma, title='LagF', linewidth=4, color=zColor, transp=0)