/// <summary>Returns an <typeparamref name="T"/> that resides at the position in time that is <paramref name="movement"/> distant from the position of <paramref name="me"/></summary>
public static T Offset <T>(this T me, ITimeMovement movement) where T : ITimeProjectable <T>
{
return(me.ProjectAt(TimePoint.FromDateTime(me.TimePosition.AsDateTime() + movement.AsTimeSpan())));
}
/// <summary>Returns an <see cref="ITimeMovement"/> with the same magnitude, but opposite direction.</summary>
public static ITimeMovement Negate(this ITimeMovement me)
{
return(new FieldBackedTimeMovement(me.AsTimeSpan().Negate()));
}