/// <summary>
/// Initializes static members of the <see cref="Matrix"/> class.
/// </summary>
static Matrix()
{
int directionsCount = Delta.DirectionsCount;
deltas = new Delta[directionsCount];
for (int i = 0; i < directionsCount; i++)
{
deltas[i] = new Delta((Direction)i);
}
}
/// <summary>
/// Fills the matrix with consecutive integer values
/// that correspond to the route of traversal.
/// </summary>
public void Traverse()
{
this.Clear();
int counter = 1;
Position position = new Position(0, 0);
Delta delta = new Delta(Direction.Southeast);
while (true)
{
this.matrix[position.Row, position.Col] = counter;
if (!this.CanContinue(position))
{
bool newPositionFound = this.TryFindNewPosition(out position);
if (newPositionFound)
{
counter++;
this.matrix[position.Row, position.Col] = counter;
delta.Direction = Direction.Southeast;
}
else
{
break;
}
}
while (!this.CanGoToPosition(position.Row + delta.Row, position.Col + delta.Col))
{
delta.UpdateDirectionClockwise();
}
position.Update(delta);
counter++;
}
}