The game of life

game_of_life.rb

class LifeGrid

  def initialize(width, height, seeds)
    matrix = Array.new(height).fill(0..(height - 1)) 
    @matrix = matrix
    new_matrix = @matrix
    @new_matrix = new_matrix
    @height = height
    @width = width
    @matrix.map! { |x| x = Array.new(width).fill(0..width -1) { rand(2) } } 

    @matrix.each {|row| p row}
    puts
  end

  def evolve
   
    
    #x is the array that is each row of the matrix
    #y is the value which we are checking if it is alive
    #xi is the x axis place holder
    #yi is the y axis place holder
    #example [0,1] == 1 if x == [0,1,0,0,1]
    #example [xi,yi] == y if x == [0,1,0,0,1]
    @matrix.each_with_index do |x, xi|
    x.each_with_index do |y, yi|
      #checking if the top left box is alive then checking the ammount of alive surrounding boxes
      if xi == 0 and yi == 0 and y == 1
        surrounding = @matrix[0][@width - 1] + @matrix[0][1] + @matrix[@height - 1][0] + @matrix[1][0] + @matrix[@height - 1][@width - 1] + @matrix[@height - 1][1] + @matrix[1][@width - 1] + @matrix[1][1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      #check top right alive and surrounding
      elsif xi == 0 and yi == (@width - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][0] + @matrix[@height - 1][yi] + @matrix[xi + 1][yi] + @matrix[@height - 1][yi - 1] + @matrix[@height - 1][0] + @matrix[xi + 1][yi - 1] + @matrix[xi + 1][0]
        @matrix.each {|row| p row}
        p " "
        @new_matrix.each {|row| p row}
        p "#{xi}, #{yi}"
        p "left #{@matrix[xi][yi - 1]}" 
        p "right #{@matrix[xi][0]}" 
        p "up #{@matrix[xi -1][yi]}" 
        p "down #{@matrix[xi + 1][yi]}" 
        p "top-left #{@matrix[xi - 1][yi - 1]}" 
        p "top_right #{@matrix[xi - 1][0]}" 
        p "bottom-left #{@matrix[xi + 1][yi - 1]}" 
        p "bottom-right #{@matrix[xi +1][0]}"
        p "total #{surrounding}"
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      #check top row alive and surrounding
      elsif xi == 0 and yi != 0 and yi != (@width - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][yi + 1] + @matrix[@height - 1][yi] + @matrix[xi + 1][yi] + @matrix[@height - 1][yi - 1] + @matrix[@height - 1][yi + 1] + @matrix[xi + 1][yi - 1] + @matrix[xi + 1][yi +1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      #checking the bottom left
      elsif xi == (@height - 1) and yi == 0 and y == 1
        surrounding = @matrix[xi][@width - 1] + @matrix[xi][yi + 1] + @matrix[xi - 1][yi] + @matrix[0][yi] + @matrix[xi - 1][@width - 1] + @matrix[xi - 1][yi + 1] + @matrix[0][@width - 1] + @matrix[0][yi + 1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end 
      #checking bottom right
      elsif xi == (@height - 1) and yi == (@width - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][0] + @matrix[xi - 1][yi] + @matrix[0][yi] + @matrix[xi - 1][yi - 1] + @matrix[xi - 1][0] + @matrix[0][yi - 1] + @matrix[0][0]  
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end 
      #checking the bottom middle
      elsif xi == (@height - 1) and yi != 0 and yi != (@width - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][yi + 1] + @matrix[xi - 1][yi] + @matrix[0][yi] + @matrix[xi -1][yi - 1] + @matrix[xi - 1][yi + 1] + @matrix[0][yi -1] + @matrix[0][yi + 1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end 
      #checking the left side
      elsif yi == 0 and xi != 0 and xi != (@height - 1) and y == 1
        surrounding = @matrix[xi][@height - 1] + @matrix[xi][yi + 1] + @matrix[xi - 1][yi] + @matrix[xi + 1][yi] + @matrix[xi - 1][@width - 1] + @matrix[xi - 1][yi +1] + @matrix[xi + 1][@width -1] + @matrix[xi + 1][yi + 1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      #checking the right side
      elsif yi == (@width - 1) and xi != 0 and xi != (@height - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][yi - yi] + @matrix[xi -1][yi] + @matrix[xi + 1][yi] + @matrix[xi - 1][yi - 1] + @matrix[xi - 1][0] + @matrix[xi + 1][yi - 1] + @matrix[xi +1][0]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      elsif xi != 0 and xi != (@height -1) and yi != 0 and yi != (@width - 1) and y == 1
        surrounding = @matrix[xi][yi - 1] + @matrix[xi][yi + 1] + @matrix[xi - 1][yi] + @matrix[xi + 1][yi] + @matrix[xi - 1][yi -1] + @matrix[xi -1][yi + 1] + @matrix[xi + 1][yi - 1] + @matrix[xi + 1][yi + 1]
        if surrounding < 2 || surrounding > 3
          @new_matrix[xi][yi] = 0
        end
      end
    end
    end

   

    @new_matrix.each {|row| p row}
   
  end

end



my_lifegrid = LifeGrid.new(4,4,3)

my_lifegrid.evolve