//@version=3
//
study("ygsscalper2", overlay=true,shorttitle="ygsscalp2")

//

// Reference:


//
// === INPUTS ===
//
ShowPAC          = input(true, title="Show wave")
ShowBarColor     = input(true, title="Show Coloured GRaB Candles")
ShowTrendIndi    = input(false, title="Show Trend Indicator")
PACLen           = input(50,minval=2,title="EMA ")
src              = input(close,title="Source for Wave centre EMA")

// --- CONSTANTS ---
DodgerBlue  = #1E90FF

// === /INPUTS ===
// Constants colours that include fully non-transparent option.
green100 = #008000FF
lime100  = #00FF00FF
red100   = #FF0000FF
blue100  = #0000FFFF
aqua100  = #00FFFFFF
darkred100 = #8B0000FF

// === SERIES SETUP ===

// Price action channel (Wave)

pacLo        = ema(low, PACLen)
pacHi        = ema(high, PACLen)


// === /SERIES ===

// === PLOTTING ===
// 
// If selected, Plot the Wave Channel based on EMA high,low and close
L=plot(ShowPAC ?pacLo:na, color=black, linewidth=1, title="up",transp=20)
H=plot(ShowPAC ?pacHi:na, color=black, linewidth=1, title="down",transp=20)

fill(L,H, color=gray,transp=92,title="Fill Channel")

// Colour bars according to the close position relative to the PAC selected.
bColour     = close>=open? close>=pacHi? green : close<=pacLo? darkred100 : yellow : close>=pacHi? green100 : close<=pacLo? darkred100 : yellow
barcolor(ShowBarColor?bColour:na, title = "Bar Colours")

// Show trend direction indication on the bottom
wcolor = high>pacHi and low>pacHi? lime : low<pacLo and high<pacLo ? red : gray
plotshape(ShowTrendIndi?src:na, color=wcolor,location=location.bottom,style=shape.square,size=size.small,transp=20,title="Trend Direction")

// === /PLOTTING ===
// eof