internal void TryLookAtAstroids(List <Astroid> astroids)
{
foreach (var astroid in astroids)
{
var coordinate = astroid.Coordinate;
var lineMap = GetSightLineMap(coordinate);
var somethingInBetween = astroids.Where(x => x != astroid && lineMap.Contains(x.Coordinate)).Any();
if (!somethingInBetween)
{
VisibleAstroids.Add(astroid);
}
else
{
InVisibleAstroids.Add(astroid);
}
}
}
public string Vaporize200Astroids()
{
foreach (var astroid in VisibleAstroids)
{
astroid.CalculateAngle(Coordinate);
}
var allvisibleastroids = VisibleAstroids.OrderBy(x => x.Angle).ToList();
var i = 0;
var puzzle2Answer = string.Empty;
while (i < 201)
{
i++;
var astroid = allvisibleastroids[0];
if (i == 200 || allvisibleastroids.Count == 0)
{
return($"{astroid.Coordinate.X * 100 + astroid.Coordinate.Y}");
}
allvisibleastroids.Remove(astroid);
}
return("nothing found");
}
