Модификации на тему Price Channel (QUIK LUA)

Settings = 
{
        Name = "xPc5",
        period = 24,
        line=
        {
                {
                        Name = "xPc5",
                        Color = RGB(0, 128, 0),
                        Type = TYPE_LINE,
                        Width = 2
                },
        
                {
                        Name = "xPc5",
                        Color = RGB(255, 64, 64),
                        Type = TYPET_BAR,
                        Width = 3
                },
                {
                        Name = "xPc5",
                        Color = RGB(64, 64, 255),
                        Type = TYPET_BAR,
                        Width = 3
                }
        
        }
}

----------------------------------------------------------
function c_FF()


        return function(ind, _p)
                local period = _p
                local index = ind
                local MAX_ = 0
                local MIN_ = 0
                local MAX2_ = 0
                local MIN2_ = 0         

                if index == 1 then
                        MAX_ = C(index)
                        MIN_ = C(index)
                        MAX2_ = C(index)
                        MIN2_ = C(index)
                        return nil
                end
----------------------------------------------------------------------
                period = _p
                if index < period then period = index end
                MAX_ = H(index)
                MIN_ = L(index)
                MAX2_ = 0
                MIN2_ = 0
                for i = 0, (period-1) do
                        if MAX_ < H(index-i) then    MAX_ = H(index-i)       end
                        if MIN_ > L(index-i) then    MIN_ = L(index-i)       end
                        MAX2_ = MAX2_ + MAX_
                        MIN2_ = MIN2_ + MIN_
                end
                MAX2_ = MAX2_/(period)
                MIN2_ = MIN2_/(period)
                return (MAX2_+MIN2_)/2, MAX2_, MIN2_
        end             
end


function Init()
        myFF = c_FF()
        return 3
end
function OnCalculate(index)
        return myFF(index, Settings.period)
end