Contents

require 'set'

class Point
  attr_accessor :box, :position, :nums, :value 

  def initialize(y=0, x=0, value = 0)
    @value = value
    Struct.new("Coordinate", :x, :y) if !Struct::const_defined? "Coordinate"
    @position = Struct::Coordinate.new(x, y)
    @nums = []
    @box = (position.y / 3) * 3 + (position.x / 3) 
  end

  def nums
    @nums.sort
  end

  def share(point)
    a = []
    a << :box if @box == point.box
    a << :x if x == point.x
    a << :y if y == point.y
    return a
  end

  def value=(val)
    if @value == 0
      @value = val
      if @value != 0 
        @nums = [val]
      end
    end
  end

  def nums=(n)
    if @value == 0
      @nums = n
      if @nums.count == 1
        @value = @nums.first
        @nums = [@value]
      end
    end
  end


  def include?(num)
    nums.include?(num) || (num == value)
  end

  def subset?(point)
    nums.to_set.subset?(point.nums.to_set)
  end


  def x
    @position.x
  end

  def y
    @position.y
  end
    
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
sudoku-jedi-1.0.1	lib/sudoku_solver/point.rb