static void Main(string[] args)
{
MarsTime deimosRise = new MarsTime(12, 32);
MarsTime deimosSet = new MarsTime(17, 06);
MarsTime phobosRise = new MarsTime(17, 06);
MarsTime phobosSet = new MarsTime(19, 78);
MarsTimeInterval deimos = new MarsTimeInterval(deimosRise, deimosSet);
MarsTimeInterval phobos = new MarsTimeInterval(phobosRise, phobosSet);
int overlapMinutes = MoonVisibilityCalculator.GetOverlapMinutes(deimos, phobos);
Console.WriteLine("Deimos and Phobos are both visible for " + overlapMinutes + " minutes.");
}
// TBD: How to handle double Twilight rule?
// D[ [ 4:00 ], [ 20:00] ]; P[ [ 20:00 ], [ 4:00] ]
// also: D[ [ 3:00 ], [ 20:00] ]; P[ [ 20:00 ], [ 4:00] ]
public static int GetOverlapMinutes(MarsTimeInterval intervalOne, MarsTimeInterval intervalTwo)
{
int intervalOneStart = intervalOne.getRelativeStartMinutes();
int intervalOneEnd = intervalOne.getRelativeEndMinutes();
int intervalTwoStart = intervalTwo.getRelativeStartMinutes();
int intervalTwoEnd = intervalTwo.getRelativeEndMinutes();
int overlap = 0;
//bool twilightRule = false;
if (DoIntervalsOverlap(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd))
{
overlap += CalcOverlap(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd);
}
else if (DoesTwilightRuleApply(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd))
{
overlap += 1;
}
// if both intervals are on the same day return overlap
if (intervalOne.DaysDiffer == intervalTwo.DaysDiffer)
{
return(overlap);
//twilightRule = true;
}
// if intevals are on different days check for overlap on previous day:
if (!(intervalOne.DaysDiffer))
{
intervalOneStart = intervalOne.getRelativeStartMinutesPreviousDay();
intervalOneEnd = intervalOne.getRelativeEndMinutesPreviousDay();
}
if (!(intervalTwo.DaysDiffer))
{
intervalTwoStart = intervalTwo.getRelativeStartMinutesPreviousDay();
intervalTwoEnd = intervalTwo.getRelativeEndMinutesPreviousDay();
}
if (DoIntervalsOverlap(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd))
{
overlap += CalcOverlap(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd);
}
else if (DoesTwilightRuleApply(intervalOneStart, intervalOneEnd, intervalTwoStart, intervalTwoEnd))
{
// TBD: Handle if twilight rule can be applied twice (&& (twilightRule == false))
// TBD: Handle if twilight rule should be applied at: D[ [ 3:00 ], [ 20:00] ]; P[ [ 20:00 ], [ 4:00] ] (&& overlap == 0)
overlap += 1;
}
return(overlap);
}