public EndRevealingTimeline(TuneDuration tuneDuration, TimeSpan firstMark, ZeroToOne end)
{
this._firstMark = firstMark;
var duration = tuneDuration.Duration();
this._tickDuration = new TickDuration(duration);
this._lastThirdMarkTs = TimeSpan.FromSeconds(duration * end);
this._lastThirdDuration = new TickDuration(duration - this._lastThirdMarkTs.TotalSeconds);
}
public static ITimelineMarkingStrategy Strategy(this TimelineType type, TuneDuration tuneDuration, TimeSpan firstMark, ZeroToOne end)
{
return(type == TimelineType.EndRevealing
? (ITimelineMarkingStrategy) new EndRevealingTimeline(tuneDuration, firstMark, end)
: new ConstantTimeline(tuneDuration, firstMark));
}
public static double SigmoidDerivative(this ZeroToOne input)
{
var sigmoid = Sigmoid(input);
return(sigmoid * (1 - sigmoid));
}
public static double Sigmoid(this ZeroToOne input)
{
return(1d / (1d + Math.Exp(-input)));
}
public double PositionOnCompleteWaveform(ZeroToOne point)
{
return(new FiniteDouble(point) * this.CompleteWidth);
}
public double PositionOnRenderedWaveform(ZeroToOne point)
{
return(new FiniteDouble(point) * this.RenderedWidth + this.LeftMargin());
}
public double ActualPosition(ZeroToOne percOfCoveredArea)
{
return(this.StartingPoint() + percOfCoveredArea * this.Duration());
}
public bool Includes(ZeroToOne point)
{
return(point >= this.Start && point <= this.End);
}
