( Tradingview - Camarilla) 仅显示最近两天的行

如何解决( Tradingview - Camarilla) 仅显示最近两天的行

该脚本在贸易视图图表上绘制了camarilla。有一个“显示最后一个时期”的切换选项。当我启用它时，它会一直显示线条。我只需要它来显示当前和前一天..（或指定多少天的历史线更好）。

来自另一个脚本的图片，其中包含我需要的内容。

尝试过但无法修改。先谢谢了！！

study("Expanded Camarilla Levels",overlay = true)
mode =input(title = "HTF Method",defval = 'User Defined',options=['Auto','User Defined'])
HTFm = input('D',title = "Time Frame (if HTF Method=User Defined)",type=input.resolution)
showlast = input(title = "Show Only Last Period",defval = true)
showlabels = input(title = "Show Labels",defval = true)
lstyle = input(title = "Line Style",options = ['Solid','Circles','Cross'],defval ='Solid')
 
//auto higher time frame
HTFo =timeframe.period == '1' ? '30' : 
  timeframe.period == '3' ? '60' : 
  timeframe.period == '5' ? '240' : 
  timeframe.period == '15' ? 'D' : 
  timeframe.period == '30' ? 'D' : 
  timeframe.period == '45' ? 'D' : 
  timeframe.period == '60' ? 'D' : 
  timeframe.period == '120' ? 'D' : 
  timeframe.period == '180' ? 'D' : 
  timeframe.period == '240' ? 'D' : 
  timeframe.period == 'D' ? 'W' :
  '5W'
  
HTF = mode == 'Auto' ? HTFo : HTFm
    
highhtf = security(syminfo.tickerid,HTF,high[1],lookahead = barmerge.lookahead_on)
lowhtf = security(syminfo.tickerid,low[1],lookahead = barmerge.lookahead_on)
closehtf = security(syminfo.tickerid,close[1],lookahead = barmerge.lookahead_on)

RANGE = highhtf - lowhtf

// is this last bar for HTF?
islast = showlast ? security(syminfo.tickerid,barstate.islast,lookahead = true) : true

// Line Style
linestyle = lstyle == 'Solid' ? plot.style_line :
   lstyle == 'Circle' ? plot.style_circles : plot.style_cross

H5 = (highhtf / lowhtf) * closehtf
H4 = closehtf + RANGE * 1.1/2
H3 = closehtf + RANGE * 1.1/4
H2 = closehtf + RANGE * 1.1/6
H1 = closehtf + RANGE * 1.1/12
L1 = closehtf - RANGE * 1.1/12
L2 = closehtf - RANGE * 1.1/6
L3 = closehtf - RANGE * 1.1/4
L4 = closehtf - RANGE * 1.1/2
L5 = closehtf - (H5 - closehtf)

plot(islast ? H5 : na,title = "H5",color = color.silver,linewidth = 1,style = linestyle,transp = 45)
plot(islast ? H4 : na,title = "H4",color = color.green,transp = 0)
plot(islast ? H3 : na,title = "H3",color = color.red,linewidth = 2,transp = 0)
plot(islast ? L3 : na,title = "L3",color = color.lime,transp = 0)
plot(islast ? L4 : na,title = "L4",color = color.orange,transp = 0)
plot(islast ? L5 : na,title = "L5",transp = 45)

// Label for S/R
chper = time - time[1]
chper := change(chper) > 0 ? chper[1] : chper

Round_it(valu)=>
    a = 0
    num = syminfo.mintick
    s = valu
    if na(s)
        s := syminfo.mintick
    if num < 1
        for i = 1 to 20
            num := num * 10
            if num > 1
                break
            a := a +1
    
    for x = 1 to a 
        s := s * 10
    s := round(s)
    for x = 1 to a
        s := s / 10
    s := s < syminfo.mintick  ? syminfo.mintick : s
    s

// Labels
if showlabels
    var label s3label = na,var label s4label = na,var label s5label = na
    var label r3label = na,var label r4label = na,var label r5label = na
    
    label.delete(s3label),label.delete(s4label),label.delete(s5label)
    label.delete(r3label),label.delete(r4label),label.delete(r5label)
    s3label := label.new(x = time + chper * 20,y = L3,text = "L3",textcolor=color.lime,style=label.style_none,xloc = xloc.bar_time,yloc=yloc.price)
    s4label := label.new(x = time + chper * 20,y = L4,text = "L4",textcolor=color.orange,yloc=yloc.price)
    s5label := label.new(x = time + chper * 20,y = L5,text = "L5",textcolor=color.silver,yloc=yloc.price)
    r3label := label.new(x = time + chper * 20,y = H3,text = "H3",textcolor=color.red,yloc=yloc.price)
    r4label := label.new(x = time + chper * 20,y = H4,text = "H4",yloc=yloc.price)
    r5label := label.new(x = time + chper * 20,y = H5,text = "H5",yloc=yloc.price)