private Rise[] MakeRises(RisesModel riserModel)
{
if (riserModel == null)
{
return new Rise[] { }
}
;
var riseIndexes = Enumerable.Range(0, riserModel.Count);
var totalAllowedTime = settings.TrackLength - riserModel.EarliestTime;
var rises = riseIndexes.Select(s =>
{
var earliestStartTime = riserModel.EarliestTime + totalAllowedTime * s / riserModel.Count;
var latestEndTime =
riserModel.EarliestTime +
totalAllowedTime * (double)(s + 1) /
riserModel.Count; //the total time window the rise can occur in.
var latestStartTime =
latestEndTime -
riserModel
.LengthEach; // but we don't want rises to overlap (calculation too complicated if nothing else), so limit the latest start time
if (latestStartTime < earliestStartTime)
{
latestStartTime = earliestStartTime;
}
var startTime = earliestStartTime + randomizer.GetRandom(0.5) * (latestStartTime - earliestStartTime);
var endTime = startTime + riseModel.LengthEach;
var minAttenuation = Math.Pow(1 - riserModel.Amount, riserModel.Count - s);
var maxAttenuation = Math.Pow(1 - riserModel.Amount, riserModel.Count - s - 1);
return(new Rise(startTime, endTime, 1 - riserModel.Amount, 1));
}).ToArray();
return(rises);
}
public RiseApplier(SettingsCommon settings, RisesModel riseModel, IGetRandom randomizer)
{
this.settings = settings;
this.randomizer = randomizer;
this.riseModel = riseModel;
rises = MakeRises(riseModel).ToArray();
}
