find_diagonals_scratch

diagonals_scratch.rb

#test array

class TestArray

  def initialize
    @array = Array.new(6).map{|i| Array.new(7)}
    # populate_fields
    populate_fields_numeric
  end

  def populate_fields_numeric
    @array.each_with_index do |i,idx_i|
      i.each_with_index do |j,idx_j|
        @array[idx_i][idx_j] = "#{idx_i}, #{idx_j}"
      end
    end
  end

  def populate_fields
    @array[1][1] = "x"
    @array[1][3] = "x"
    @array[1][2] = "o"
    @array[1][4] = "x"
    @array[1][5] = "o"
    @array[1][6] = "x"
  end

  def print_array
    @array.reverse.each {|i| p i}
  end

  def check_horizontal
    print_array
    @array.each do |i|
      return true if i.to_s.match(/xxxx/)
    end
  end

  def check_vertical
  end

  def check_diagonal
    check_1
    chekc_2
    check_3
    check_4
  end


  def check_diagonal(diags = [], x = 0)
    @array.each_with_index do |i,idx|
      y, x = idx, 0
      diags << [y,x]
      while y > 0
        y, x = y - 1, x + 1
        diags << [y,x]
      end
      p diags
      diags = []
    end
  end

  def check_diagonal_2(diags = [], x = 0)
    @array.each_with_index do |i,idx|
      y, x = idx, 6
      diags << [y,x]
      while y < @array.length - 1
        y, x = y + 1, x - 1
        diags << [y,x]
      end
      p diags
      diags = []
    end
  end    

def check_diagonal_3(diags = [], x = 0)
    @array.each_with_index do |i,idx|
      y, x = idx, 6
      diags << [y,x]
      while y > 0
        y, x = y - 1, x - 1
        diags << [y,x]
      end
      p diags
      diags = []
    end
  end    

def check_diagonal_4(diags = [], x = 0)
    @array.each_with_index do |i,idx|
      y, x = idx, 0
      diags << [y,x]
      while y < @array.length - 1
        y, x = y + 1, x + 1
        diags << [y,x]
      end
      p diags
      diags = []
    end
  end    

end

ta = TestArray.new
# ta.print_array
my_list = ta.check_diagonal
my_list

my_list_2 = ta.check_diagonal_2
my_list_2

my_list_3 = ta.check_diagonal_3
my_list_3

my_list_4 = ta.check_diagonal_4
my_list_4