Dynamic Balance Point indicator

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

namespace cAlgo
{
    [Cloud("Price", "Dynamic Balance Point", FirstColor = "Green", SecondColor = "Red", Opacity = 0.05)]  
    [Indicator(IsOverlay = true, AccessRights = AccessRights.None)]
    public class mDynamicBalancePoint : Indicator
    {
        [Parameter("Periods (26)", DefaultValue = 26)]
        public int inpPeriods { get; set; }

        [Output("Dynamic Balance Point", LineColor = "Black", Thickness = 2)]
        public IndicatorDataSeries outDBP { get; set; }
        [Output("Price", LineColor = "Transparent", Thickness = 0)]
        public IndicatorDataSeries outPrice { get; set; }
        
        private IndicatorDataSeries _hh, _ll, _close, _dbp;
        

        protected override void Initialize()
        {
            _hh = CreateDataSeries();
            _ll = CreateDataSeries();
            _close = CreateDataSeries();
            _dbp = CreateDataSeries();
        }

        public override void Calculate(int i)
        {
            _hh[i] = Bars.HighPrices.Maximum(inpPeriods);
            _ll[i] = Bars.LowPrices.Minimum(inpPeriods);
            _close[i] = Bars.ClosePrices[i>0 ? i-1 : i];
            _dbp[i] = (_hh[i] + _ll[i] + _close[i]) / 3.0;
            
            outDBP[i] = _dbp[i];
            outPrice[i] = Bars.ClosePrices[i];
        }
    }
}