GOL

gol.rb

class GOL

  def initialize
    @cells = Array.new(10,Array.new(10))

    for i in 0..9
      for j in 0..9
       @cells[i][j] = 0
       end

    end
  end

  def cells
    @cells
  end

  def neighbors (i,j)

    ##TODO check for edge cases

    neighborhood = Array.new
    neighborhood[0] = @cells[i-1][j]
    neighborhood[1] = @cells[i-1][j+1]
    neighborhood[2] = @cells[i-1][j-1]
    neighborhood[0] = @cells[i+1][j]
    neighborhood[0] = @cells[i+1][j-1]
    neighborhood[0] = @cells[i+1][j+1]
    neighborhood[0] = @cells[i][j-1]
    neighborhood[0] = @cells[i][j+1]


    neighborhood
  end

  def nextState (i,j)
    alive_neighbors =neighbors(i,j).count {|x| x ==1}

    return 0 if (@cells[i][j] === 1)&&((alive_neighbors <2) || (alive_neighbors > 3)) #rule1
    return 1 if (@cells[i][j] === 1)&&((alive_neighbors == 2)|| (alive_neighbors == 3))
    return 1 if (@cells[i][j] === 0)&&(alive_neighbors == 3)
  end


end