public IEnumerable <CellMove> Walk(CellSquare from, Step current)
{
var step = current.Next();
var cursor = from;
for (var index = 0; index < Times; index++)
{
cursor = cursor.MoveLeft();
yield return(new CellMove(step, cursor, index == 0, index + 1 == Times));
step = step.Next();
}
}
public IEnumerable <CellMove> Walk(CellSquare from)
{
var step = new Step(0);
var cursor = from;
foreach (var instruction in Instructions)
{
foreach (var move in instruction.Walk(cursor, step))
{
yield return(move);
if (move.LastInstructionMove)
{
cursor = move.Square;
step = move.Step;
}
}
}
}
public int DistanceTo(CellSquare point)
{
return(Math.Abs(X - point.X) + Math.Abs(Y - point.Y));
}
public bool Equals(CellSquare other) => X == other.X && Y == other.Y;