Package edu.wisc.game.sql

Class Board.Pos

java.lang.Object
edu.wisc.game.sql.Board.Pos
Enclosing class:
Board
public static class Board.Pos extends Object
Can be used to describe the position of a piece on the [1:N]x[1:N] grid, or that of a bucket (at (0,0), ... (N+1,N+1)

  • Field Details

    • x

      public final int x
      Coordinates counted from the bottom left corner. The left bottom bucket is at (0,0), the corner cell is at (1,1).

    • y

      public final int y
      Coordinates counted from the bottom left corner. The left bottom bucket is at (0,0), the corner cell is at (1,1).

  • Constructor Details

    • Pos

      public Pos(int _x, int _y)

    • Pos

      public Pos(int num)
      Parameters:
      num - in the [0 .. N*N-1] range

  • Method Details

    • num

      public int num()
      Counted by row (left-to-right), rows being arranged bottom-to-top. In other words, the lexicoraphic order for the (y,x) pairs. The ordering for cells is 1-based.

    • bucketNo

      public int bucketNo()
      Converts the coordinates of a bucket to a bucket number.
      Returns:
      the bucket number, or -1 if the coordinates are not valid

    • norm2sq

      public int norm2sq(Board.Pos q)
      Square of 2-norm distance

    • norm1

      public int norm1(Board.Pos q)
      1-norm distance

    • flip2corner

      public Board.Pos flip2corner()
      Mirror image of this cell into the bottom left corner

    • nearestBucket

      public HashSet<Integer> nearestBucket()
      Which bucket(s) is/are the nearest to this cell?

    • remotestBucket

      public HashSet<Integer> remotestBucket()
      Which bucket(s) is/are the most remote from this cell?

    • toString

      public String toString()
      Overrides:
      toString in class Object