MACD Histogram with Color m

// -------------------------------------------------------------------------------------------------
//    Based on indicator "MACD Histogram with Color"
// -------------------------------------------------------------------------------------------------

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

namespace cAlgo
{
    [Indicator(IsOverlay = false, TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]
    public class MACDcolorM : Indicator
    {

        public MacdHistogram MacdHistogram;

        [Parameter()]

        public DataSeries Source { get; set; }

        [Parameter("Long Cycle", DefaultValue = 26)]
        public int LongCycle { get; set; }

        [Parameter("Short Cycle", DefaultValue = 12)]
        public int ShortCycle { get; set; }

        [Parameter("Signal Periods", DefaultValue = 9)]
        public int Periods { get; set; }


        [Output("Growing > 0", PlotType = PlotType.Histogram, LineColor = "SpringGreen", Thickness = 1)]
        public IndicatorDataSeries GrowingPositive { get; set; }
        [Output("Growing < 0", PlotType = PlotType.Histogram, LineColor = "ForestGreen", Thickness = 1)]
        public IndicatorDataSeries GrowingNegative { get; set; }


        [Output("Falling > 0", PlotType = PlotType.Histogram, LineColor = "Crimson", Thickness = 1)]
        public IndicatorDataSeries FallingPositive { get; set; }
        [Output("Falling < 0", PlotType = PlotType.Histogram, LineColor = "Tomato", Thickness = 1)]
        public IndicatorDataSeries FallingNegative { get; set; }

        [Output("SignalGrowing", LineColor = "LightBlue", PlotType = PlotType.DiscontinuousLine)]
        public IndicatorDataSeries SignalGrowing { get; set; }

        [Output("SignalFalling", LineColor = "Purple", PlotType = PlotType.DiscontinuousLine)]
        public IndicatorDataSeries SignalFalling { get; set; }

        protected override void Initialize()
        {

            MacdHistogram = Indicators.MacdHistogram(Source, LongCycle, ShortCycle, Periods);
        }

        public override void Calculate(int index)
        {
            if (MacdHistogram.Histogram[index - 1] < MacdHistogram.Histogram[index])
            {
                if (MacdHistogram.Histogram[index] > 0)
                    GrowingPositive[index] = MacdHistogram.Histogram[index];
                else
                    GrowingNegative[index] = MacdHistogram.Histogram[index];
            }
            else if (MacdHistogram.Histogram[index - 1] > MacdHistogram.Histogram[index])
            {
                if (MacdHistogram.Histogram[index] > 0)
                    FallingPositive[index] = MacdHistogram.Histogram[index];
                else
                    FallingNegative[index] = MacdHistogram.Histogram[index];
            }

            if (MacdHistogram.Signal[index - 1] < MacdHistogram.Signal[index])
            {
                SignalGrowing[index] = MacdHistogram.Signal[index];
                if (MacdHistogram.Signal[index - 2] > MacdHistogram.Signal[index - 1])
                    SignalFalling[index] = MacdHistogram.Signal[index];
            }

            else if (MacdHistogram.Signal[index - 1] > MacdHistogram.Signal[index])
            {
                SignalFalling[index] = MacdHistogram.Signal[index];
                if (MacdHistogram.Signal[index - 2] < MacdHistogram.Signal[index - 1])
                    SignalGrowing[index] = MacdHistogram.Signal[index];
            }
        }
    }
}