AdventOfCode23/Day17/UltraPath.cs

namespace Day17;

public class UltraPath : Path
{
    public UltraPath(Path? prev, Tile tile, Vec vRun)
        : base(prev, tile, vRun)
    {
    }
    
    public override IEnumerable<Vec> Next()
    {
        if (LRun < 4)
        {
            yield return VRun;
        }
        else if (LRun < 10)
        {
            yield return VRun.RotatePositive();
            yield return VRun;
            yield return VRun.RotateNegative();
        }
        else
        {
            yield return VRun.RotatePositive();
            yield return VRun.RotateNegative();
        }
    }
    
    public override bool CanStop()
    {
        return LRun >= 4;
    }
}