Zigzag2 на lua под quik

Settings=              
        {                          
            Name = "Zigzag2",   -- название индикатора
            delta=2,                  -- параметр индикатора                          
            line=                                     
                {                               
                    {  
                        Name = "zigzagline2",
                        Type =TYPE_LINE,
                        Width = 2,
                        Color = RGB(120,90, 140)
                    }
                }
       }


function Init()

    vMin = 0
    vMax = 0
    vMinindex = 0
    vMaxindex = 0
    voldMinindex = 0
    voldMaxindex = 0

  return 1
end


function OnCalculate(index)
  local printz = 0
  
  if index == 1 then
    vMin = C(index)
    vMax = C(index)
    vMinindex = index
    vMaxindex = index
    voldMinindex = index
    voldMaxindex = index
    ve = C(index)  
  else
         
    if voldMaxindex >= voldMinindex then
      if C(index) > (1 + Settings.delta/100)*vMin then
        vMin = C(index)  
        vMax = C(index) 
        vMaxindex = index
        voldMinindex = vMinindex 
        vFrom = voldMaxindex  
        vTo = vMinindex
        printz = 1
      else     
        if vMin > C(index) then
          vMin = C(index)
          vMinindex = index
          vFrom = voldMaxindex      
          vTo = index
          printz = 0
        else
          vFrom = vMinindex 
          vTo = index
          printz = 0
        end 
      end
    else
     
    if voldMaxindex <= voldMinindex then
      if C(index) < (1 - Settings.delta/100)*vMax then
        vMax = C(index) 
        vMin = C(index)  
        vMinindex = index
        voldMaxindex = vMaxindex
        vFrom = voldMinindex
        vTo = vMaxindex
        printz = 1
      else 
        if vMax < C(index) then
          vMax = C(index)
          vMaxindex = index
          vFrom = voldMinindex    
          vTo = index
          printz = 0
        else  
          vFrom = vMaxindex  
          vTo = index        
          printz = 0
        end
      end  
    end
    end
 
    if (printz == 1) or (Size() == index) then
      for i = vFrom, vTo do
        k = (C(vTo)- C(vFrom))/(vTo- vFrom);
        v = i*k + C(vTo) - vTo*k
        SetValue(i, 1, v)
        ve = v
      end   
      if (Size() == index) then
        ve = C(index)
        if voldMaxindex >= voldMinindex then
          vFrom = voldMaxindex 
          vTo = vMinindex
        end 
        if voldMaxindex <= voldMinindex then  
          vFrom = voldMinindex
          vTo = vMaxindex
        end 
        for i = vFrom, vTo do
          k = (C(vTo)- C(vFrom))/(vTo- vFrom);
          v = i*k + C(vTo) - vTo*k
          SetValue(i, 1, v)
        end  
      end
    end

  end   
  return ve
end