phase 0 unit 2 week 1 boggle class challenge

0.2.1-boggle_class_from_methods.rb

class BoggleBoard
  def initialize(board)
    @board = board
  end

  def create_word(*coords)
    coords.map { |coord| @board[coord.first][coord.last]}.join("")
  end

  def get_row(row)
   puts @board[row].join
  end

  def get_col(col)
    row = 0   #set row counter to 0
   while row < @board.size   #iterate through the outer arrays
    print @board[row][col] #adding the columns to the new array
    row += 1  #update counter
   end
   puts "\n" #create a newline for style
  end

  def get_diagonal(coord1, coord2)
    if (coord1.first-coord2.first).abs != (coord1.last - coord2.last).abs  #test to see if they are diagonal using absolute value
      raise ArgumentError.new("Not a diagonal")
    else
      diagonal = []
      row = coord1.first
      column = coord1.last

      if coord1.first < coord2.first  #if the first coords are the top 
        until row > coord2.first  #until the current row has reached the bottom
          diagonal << @board[row][column]  #push current item to array
          row += 1
          column +=1     #update row/column counter
        end
      else     #if the first coords are at the bottom
        until row < coord2.first  #until the current row has reached the top
          diagonal << @board[row][column]  #push the current item to array
          row -= 1
          column +=1  #update row/column counter
        end
      end

      print diagonal
    end
  end

end

dice_grid = [["b", "r", "a", "e"],
             ["i", "o", "d", "t"],
             ["e", "c", "l", "r"],
             ["t", "a", "k", "e"]]


boggle_board = BoggleBoard.new(dice_grid)  #create BoggleBoard object to work with

puts boggle_board.create_word([1,2], [1,1], [2,1], [3,2]) #should spell dock, it does


boggle_board.get_row(0) #=> ["b", "r", "a", "e"]
boggle_board.get_row(1) #=> ["i", "o", "d", "t"]
boggle_board.get_row(2) #=> ["e", "c", "l", "r"]
boggle_board.get_row(3) #=> ["t", "a", "k", "e"]
 
boggle_board.get_col(0) #=> biet
boggle_board.get_col(1) #=> roca
boggle_board.get_col(2) #=> adlk
boggle_board.get_col(3) #=> etre

puts boggle_board.create_word([3,2]) # Accessing coordinate k

puts boggle_board.get_diagonal([0,0], [3,3])
puts boggle_board.get_diagonal([3,0], [0,3])