ali

//@version=4
// Indicator to combines:

study (title = "Golden cross", shorttitle = "GD cross", overlay = true)


// --------- Inputs
i_showEmas = input(defval = true, title = "=========== EMAs ============")
i_maSrc = input(defval = close, title = "EMA Source")
i_maFast1 = input(defval = 12, title = "EMA Fast 1")
i_maFast2 = input(defval = 50, title = "EMA Fast 2")
i_maLen = input(defval = 200, title = "SMA Length")
i_rangeLen = input(defval = 0.618, title = "Range Length", type = input.float)
i_currentT = input(defval = true, title = "Use Current Time?")
i_tf = input(defval = "D", title = "Selec Diferent Timeframe", type = input.resolution)
i_showCh = input(defval = false, title = "Show Channel")
i_showbarCol = input(defval = true, title = "Show Bar Color")
i_showAlert = input(defval = true, title = "Show Alert")

// --------- Calculations
f_maFast1 = ema(i_maSrc, i_maFast1)
f_maFast2 = ema(i_maSrc, i_maFast2)
f_maTrend = i_currentT ?
sma(i_maSrc, i_maLen) :
security(syminfo.tickerid, i_tf,
sma(i_maSrc, i_maLen) )
f_chBasis = atr(i_maLen) * i_rangeLen
f_chTop = f_maTrend + f_chBasis
f_chBot = f_maTrend - f_chBasis
f_range = ((open <= f_chTop) or (close <= f_chTop)) and
((open >= f_chBot) or (close >= f_chBot))
f_GCross = crossover (f_maFast2, f_maTrend)
f_DCross = crossunder (f_maFast2, f_maTrend)
f_dirTrend = f_range ? 0 :
i_maSrc >= f_maTrend ? 1 : -1
// Set initial values
f_condition = 0
f_buyCond = f_dirTrend == 1 and f_maFast1 > f_maFast2
f_sellCond = f_dirTrend == -1 and f_maFast1 < f_maFast2
f_buyCloseCo = f_dirTrend == 1 and f_maFast1 < f_maFast2
f_sellCloseC = f_dirTrend == -1 and f_maFast1 > f_maFast2
f_closeCond = f_buyCloseCo or f_sellCloseC
//Conditions
f_condition := f_condition != 1 and f_buyCond ? 1 :
f_condition != -1 and f_sellCond ? -1 :
f_condition != 0 and f_closeCond ? 0 :
nz(f_condition)
f_buy = f_condition == 1 and f_condition != 1
f_sell = f_condition == -1 and f_condition != -1
f_close = f_condition != 0 and f_closeCond

// --------- Colors
c_orange = #f57f17 //Orange
c_green = #006400 //Green
c_green100 = #006400FF//Green 100%
c_greenLight = #388e3c //Green Light
c_red = #8B0000 //Red
c_red100 = #8B0000FF//Red 100%
c_redLight = #b71c1c //Red Light
c_white = #ffffff //White
c_gray = #808080 //Gray

c_maFast = f_range ? c_orange :
f_buyCloseCo ? c_orange :
f_sellCloseC ? c_orange :
f_dirTrend == 1 ? c_green :
f_dirTrend == -1 ? c_red : na
c_maTrend = f_dirTrend == 0 ? c_orange :
f_dirTrend == 1 ? c_green100 :
f_dirTrend == -1 ? c_red100 : na
c_ch = f_dirTrend == 0 ? c_orange :
f_dirTrend == 1 ? c_green :
f_dirTrend == -1 ? c_red : na
c_barCol = f_dirTrend == 0 ? c_orange :
f_dirTrend == 1 and (open <= close) ? c_green100 :
f_dirTrend == 1 and (open > close) ? c_greenLight :
f_dirTrend == -1 and (open >= close) ? c_red100 :
f_dirTrend == -1 and (open < close) ? c_redLight : na

// --------- Plots
p_maFast1 = plot(
f_maFast1,
title = "EMA Fast 1",
color = c_maFast,
linewidth = 1)
p_maFast2 = plot(
f_maFast2,
title = "EMA Fast 2",
color = c_maFast,
linewidth = 2)
fill(
p_maFast1,
p_maFast2,
title = "EMAs Fill",
transp = 80,
color = c_maFast)
plot(
f_maTrend,
title = "SMA Trend",
color = c_maTrend,
linewidth = 3)
p_chTop = plot(
i_showCh ? f_chTop : na,
title = "Top Channel",
color = c_maTrend,
linewidth = 1)
p_chBot = plot(
i_showCh ? f_chBot : na,
title = "Bottom Channel",
color = c_maTrend,
linewidth = 1)
fill(
p_chTop,
p_chBot,
title = "Channel",
color = c_ch)

// --------- Alerts
plotshape(
i_showAlert and f_buy ? high : na,
title = "Buy Label",
text = "Buy",
textcolor = c_white,
color = c_green100,
transp = 0,
style = shape.labelup,
size = size.normal,
location = location.belowbar)
plotshape(
i_showAlert and f_sell ? low : na,
title = "Sell Label",
text = "Sell",
textcolor = c_white,
color = c_red100,
transp = 0,
style = shape.labeldown,
size = size.normal,
location = location.abovebar)
plotshape(
i_showAlert and f_close ? close : na,
title = "Close Label",
text = "Close",
textcolor = c_orange,
color = c_orange,
transp = 0,
style = shape.xcross,
size = size.small,
location = location.absolute)
plotshape(
i_showAlert and f_GCross ? f_maTrend : na,
title = "Golden Cross Label",
text = "Golden\nCross",
textcolor = c_white,
color = c_orange,
transp = 0,
style = shape.labelup,
size = size.normal,
location = location.absolute)
plotshape(
i_showAlert and f_DCross ? f_maTrend : na,
title = "Death Cross Label",
text = "Death\nCross",
textcolor = c_white,
color = c_orange,
transp = 0,
style = shape.labeldown,
size = size.normal,
location = location.absolute)

barcolor(
i_showbarCol ? c_barCol : na)

alertcondition(
f_buy or f_sell or f_close or f_GCross or f_DCross,
title = "Alert",
message = "Alert")
alertcondition(
f_buy,
title = "Buy Alert",
message = "Buy Alert")
alertcondition(
f_sell,
title = "Sell Alert",
message = "Sell Alert")
alertcondition(
f_close,
title = "Close Alert",
message = "Close Alert")
alertcondition(
f_GCross,
title = "Golden Cross Alert",
message = "Golden Cross Alert")
alertcondition(
f_DCross,
title = "Death Cross Alert",
message = "Death Cross Alert")