gistfile1.rb

class TwoDimensionalArray
  attr_accessor :map
  def initialize w, h
    @w = w
    @h = h
    self.map = []
    (0...w).each do |x|
      (0...h).each do |y|
        map[(x*@w) + y] = nil
      end
    end
  end
  def set x, y, val
    self.map[(x*@w) + y] = val
  end
  def get x, y
    self.map[(x*@w) + y]
  end
end

test = TwoDimensionalArray.new(10,10)

(0...10).each do |x|
  (0...10).each do |y|
    test.set x, y, "(#{x},#{y})"
  end
end

puts test.map