HiLo Range Fan indicator

using System;
using cAlgo.API;
using cAlgo.API.Collections;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;

namespace cAlgo
{
    [Levels(0, -100, +100)]
    [Indicator(AccessRights = AccessRights.None)]
    public class mHILOrangeFan : Indicator
    {
        [Parameter("Fast Range Bars (21)", DefaultValue = 21)]
        public int inpRangeBarsFast { get; set; }
        [Parameter("Medium Range Bars (55)", DefaultValue = 55)]
        public int inpRangeBarsMedium { get; set; }
        [Parameter("Slow Range Bars (144)", DefaultValue = 144)]
        public int inpRangeBarsSlow { get; set; }
        
        [Output("Fast High/Low Range", LineColor = "Black", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outHILOrangeFast { get; set; }
        [Output("Medium High/Low Range", LineColor = "Red", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outHILOrangeMedium { get; set; }
        [Output("Slow High/Low Range", LineColor = "CadetBlue", PlotType = PlotType.Line, LineStyle = LineStyle.Solid, Thickness = 1)]
        public IndicatorDataSeries outHILOrangeSlow { get; set; }
        
        private IndicatorDataSeries _hhfast, _llfast, _hlfast, _hlrfast, _hhmedium, _llmedium, _hlmedium, _hlrmedium, _hhslow, _llslow, _hlslow, _hlrslow;
            

        protected override void Initialize()
        {
            _hhfast = CreateDataSeries();
            _llfast = CreateDataSeries();
            _hlfast = CreateDataSeries();
            _hlrfast = CreateDataSeries();            
            _hhmedium = CreateDataSeries();
            _llmedium = CreateDataSeries();
            _hlmedium = CreateDataSeries();
            _hlrmedium = CreateDataSeries();            
            _hhslow = CreateDataSeries();
            _llslow = CreateDataSeries();
            _hlslow = CreateDataSeries();
            _hlrslow = CreateDataSeries();
        }

        public override void Calculate(int i)
        {
            _hhfast[i] = i>inpRangeBarsFast ? Bars.HighPrices.Maximum(inpRangeBarsFast) : Bars.HighPrices[i];
            _llfast[i] = i>inpRangeBarsFast ? Bars.LowPrices.Minimum(inpRangeBarsFast) : Bars.LowPrices[i];
            _hlfast[i] = _hhfast[i] - _llfast[i];
            _hlrfast[i] = _hlfast[i] != 0 ? (200.0 * (((Bars.HighPrices[i] + Bars.LowPrices[i]) / 2.0) - _llfast[i]) / _hlfast[i]) - 100 : 0;            
            _hhmedium[i] = i>inpRangeBarsMedium ? Bars.HighPrices.Maximum(inpRangeBarsMedium) : Bars.HighPrices[i];
            _llmedium[i] = i>inpRangeBarsMedium ? Bars.LowPrices.Minimum(inpRangeBarsMedium) : Bars.LowPrices[i];
            _hlmedium[i] = _hhmedium[i] - _llmedium[i];
            _hlrmedium[i] = _hlmedium[i] != 0 ? (200.0 * (((Bars.HighPrices[i] + Bars.LowPrices[i]) / 2.0) - _llmedium[i]) / _hlmedium[i]) - 100 : 0;            
            _hhslow[i] = i>inpRangeBarsSlow ? Bars.HighPrices.Maximum(inpRangeBarsSlow) : Bars.HighPrices[i];
            _llslow[i] = i>inpRangeBarsSlow ? Bars.LowPrices.Minimum(inpRangeBarsSlow) : Bars.LowPrices[i];
            _hlslow[i] = _hhslow[i] - _llslow[i];
            _hlrslow[i] = _hlslow[i] != 0 ? (200.0 * (((Bars.HighPrices[i] + Bars.LowPrices[i]) / 2.0) - _llslow[i]) / _hlslow[i]) - 100 : 0;
            
            outHILOrangeFast[i] = _hlrfast[i];
            outHILOrangeMedium[i] = _hlrmedium[i];
            outHILOrangeSlow[i] = _hlrslow[i];
        }
    }
}