zveno013 (Автор тем)

for j = sdelka, i do -- sdelka - содержит индекс свечи покупки
    local d = (j - sdelka) / (i - sdelka)
    local c = a * (1 - d) + b * d
    SetValue(j, 1, c)
end

Settings = {}
Settings = {
    Name = "KEZ_Casper",
    period = 28,
    period2 = 28,
    line = {{
        Name = "Casper",
        Color = RGB(255, 0, 0),
        Type = TYPE_LINE,
        Width = 1
    }, {
        Name = "A",
        Color = RGB(0, 100, 100),
        Type = TYPE_LINE,
        Width = 1
    }, {
        Name = "B",
        Color = RGB(100, 100, 0),
        Type = TYPE_LINE,
        Width = 1
    }}
}

function Init()
    VuEma = 1
    Vu = 0
    Pu = 0
    Pd = 0
    F = 0
    return #Settings.line
end

function OnCalculate(index)
   if index == 1 then 
      message("VuEma = " .. VuEma)
   end

    if O(index) < C(index) then
        -- положительная свеча
        Pu = H(index) - L(index)
        Pd = H(index) - C(index) + O(index) - L(index)
    else
        -- отрицательная свеча
        Pu = H(index) - O(index) + C(index) - L(index) 
        Pd = H(index) - L(index) 
    end
    Vd = (Pd * V(index)) / (Pu + Pd) 
    Vu = V(index) - Vd 
    F = 2 / (Settings.period + 1)
  
    VuEma = Vu * F + VuEma * (1 - F)

    return Vu, -Vd, VuEma
end