/// <summary>
/// Measures the distance of two point with a given metric.
/// Default is manhatten metric
/// </summary>
/// <param name="otherPoint"></param>
/// <param name="metric"></param>
/// <returns></returns>
public int MeasureDistance(CoordinatePoint otherPoint, Metric metric = Metric.Manhatten)
{
return(metric switch
{
Metric.Manhatten => Math.Abs(X - otherPoint.X) + Math.Abs(Y - otherPoint.Y),
_ => throw new ArgumentException("Metric is not defined"),
});
/// <summary>
/// Creates a new instance of a wire
/// </summary>
/// <param name="startingPoint"></param>
/// <param name="path"></param>
public Wire(CoordinatePoint startingPoint, IEnumerable <string> path)
{
StartingPoint = startingPoint;
Path = path;
}
/// <summary>
/// Returns the closest point from a list of candidates to a given reference Point on the grid
/// </summary>
/// <param name="candidates"></param>
/// <param name="referencePoint"></param>
/// <param name="metric">The default metric is Manhatten</param>
/// <returns></returns>
public (CoordinatePoint point, int distance) GetClosestPointTo(List <CoordinatePoint> candidates, CoordinatePoint referencePoint, Metric metric = Metric.Manhatten)
{
var distances = candidates.Select(c => c.MeasureDistance(referencePoint, metric));
var shortestDistance = distances.Min();
var indexOfShortestDistance = distances.ToList().IndexOf(shortestDistance);
return(candidates[indexOfShortestDistance], shortestDistance);
}
