protected override void RunPart1(string Input)
{
using (var Reader = new StreamReader(Input))
{
var Data = Reader.ReadToEnd();
var Directives = Data.Split(new string[] { ", " }, StringSplitOptions.None);
var CurrentDirection = Direction.North;
var CurrentPosition = new Position {
X = 0, Y = 0
};
foreach (var Directive in Directives)
{
CurrentDirection = Turn(CurrentDirection, Directive[0]);
var MovementRate = int.Parse(Directive.Substring(1));
CurrentPosition.Move(CurrentDirection, MovementRate);
}
var Distance = CurrentPosition.Distance;
Console.WriteLine("Distance = {0}", Distance);
}
}
protected override void RunPart2(string Input)
{
using (var Reader = new StreamReader(Input))
{
var Data = Reader.ReadToEnd();
var Directives = Data.Split(new string[] { ", " }, StringSplitOptions.None);
var CurrentDirection = Direction.North;
var CurrentPosition = new Position {
X = 0, Y = 0
};
var VisitedPositions = new HashSet <Position>();
foreach (var Directive in Directives)
{
CurrentDirection = Turn(CurrentDirection, Directive[0]);
var MovementRate = int.Parse(Directive.Substring(1));
for (var i = 0; i < MovementRate; i++)
{
CurrentPosition.Move(CurrentDirection, 1);
if (VisitedPositions.Contains(CurrentPosition))
{
Console.WriteLine("First location is {0}", CurrentPosition);
Console.WriteLine("Distance = {0}", CurrentPosition.Distance);
return;
}
else
{
VisitedPositions.Add(new Position {
X = CurrentPosition.X, Y = CurrentPosition.Y
});
}
}
}
}
}