phase 0 unit 2 week 1 boggle class challenge

0.2.1-boggle_class_from_methods.rb

#PSEUDOCODE
#take 'dice_grid' as input to initialize, set @dice_grid = dice_grid
#define #create_word - no longer needs 'board' parameter, can just use @dice_grid. only need *coords param
#define #get_row and #get_col like before, but no 'board' parameter, act on @dice_grid
#define #get_coord: take array.length == 2 as input, return @dice_grid[array[0][array[1]]
class BoggleBoard
  def initialize(dice_grid)
    @dice_grid = dice_grid
  end
  
  def create_word(*coords)
    coords.map { |coord| @dice_grid[coord.first][coord.last]}.join("")
  end
  
  def get_row(row)
    @dice_grid[row - 1]
  end
  
  def get_col(col)
    @dice_grid.collect {|row| row[col - 1]}
  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)

#tests
puts boggle_board.get_row(1) == ['b', 'r', 'a', 'e']
puts boggle_board.get_row(3) == ['e', 'c', 'l', 'r']
puts boggle_board.get_col(1) == ['b', 'i', 'e', 't']
puts boggle_board.get_col(3) == ['a', 'd', 'l', 'k']
puts boggle_board.create_word([2,1], [1,1], [1,2], [0,3]) == "code"
puts boggle_board.create_word([2,1], [2,2], [1,1], [1,2]) == "clod"
puts boggle_board.create_word([0,0], [0,1], [0,2], [1,3]) == "brat"

#print all rows and columns
(1..4).each do |x|
  puts boggle_board.get_row(x).join("")
  puts boggle_board.get_col(x).join("")
end

#val at coordinate
puts boggle_board.create_word([3,1])
puts boggle_board.create_word([0,3])