its minesweeper boys

minesweeper.rb

map = [
  '..*..*...',
  '.....*...' ,
  '..**.....' ,
  '..***....' ,
  '..*.*.*..',
  '...**....' ,
  '.*.*.**..' ,
  '...*.....',
  '....*..*.' ,
]

check = [
  [-1,-1],[0,-1],[1,-1],
  [-1, 0],       [1, 0],
  [-1, 1],[0, 1],[1, 1],
]

def make_answer(map)
  answer = []
  map.each{|line|
    # puts "map line", line
    templine=[]
    line.split("").size.times { |i|
      templine.append(0)
    }
    # puts templine
    answer.append(templine)
  }
  answer
end

def minesweeper(map, check)
  answer = make_answer(map)
  puts map
  map.each_with_index{|line, x|
    splitline=line.split("")
    splitline.each_with_index{|cell, y|
      if cell == "*"
        answer[x][y] = "*"
        puts "found * at [#{x}][#{y}]"
        check.each{|spot|
          puts "checking [#{x+spot[0]}][#{y+spot[1]}]"
          if x + spot[0] >= 0 && y + spot[1] >= 0 && x + spot[0] < map[x].split("").length && y + spot[0] < map.length && map[x+spot[0]][y+spot[1]] != "*"
            answer[x+spot[0]][y+spot[1]] += 1
            puts "now [#{x+spot[0]}][#{y+spot[1]}]=#{answer[x+spot[0]][y+spot[1]]}"
          end
        }
      end
    }
  }
  answer.each{|line|
    puts line.join('')
  }
  answer
end

minesweeper(map, check)