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parthnaik/0.2.1-boggle_class_from_methods.rb

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Last active August 29, 2015 13:57
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Revisions

  1. parthnaik revised this gist Mar 9, 2014. 1 changed file with 71 additions and 3 deletions.
    74 changes: 71 additions & 3 deletions 0.2.1-boggle_class_from_methods.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -1,7 +1,65 @@
    class BoggleBoard
    attr_reader :grid

    #your code here
    def initialize(grid)
    @grid = grid
    raise ArgumentError.new("length of each row must be equal") if (grid.any? {|row| row.length != grid[0].length})
    end

    def create_word(*coords) # creates a word based on given coordinates
    coords.map {|coord| @grid[coord.first][coord.last]}.join("")
    end

    def get_row(row)
    @grid[row]
    end

    def get_col(col)
    @grid.map { |row| row[col] }
    end

    def access(x, y)
    @grid[x][y]
    end

    # the diagonal check can be performed by checking if the difference b/w the x coord and the y coord is equal
    def get_diagonal(coord1, coord2)
    start1 = coord1[0]
    start2 = coord1[1]
    finish1 = coord2[0]
    finish2 = coord2[1]

    raise ArgumentError.new("not valid diagonal coordinates") if ((finish1 - start1).abs != (finish2 - start2).abs)

    if start1 < finish1 && start2 < finish2 #SE
    until start1 == finish1 + 1
    p @grid[start1][start2]
    start1 +=1
    start2 +=1
    end

    elsif start1 > finish1 && start2 > finish2 #NW
    until start2 == finish2 - 1
    p @grid[start1][start2]
    start1 -=1
    start2 -=1
    end

    elsif start1 > finish1 && start2 < finish2 #NE
    until start2 == finish2 + 1
    p @grid[start1][start2]
    start1 -=1
    start2 +=1
    end

    elsif start1 < finish1 && start2 > finish2 #SW
    until start1 == finish1 + 1
    p @grid[start1][start2]
    start1 +=1
    start2 -=1
    end
    end
    end
    end


    @@ -13,10 +71,20 @@ class BoggleBoard
    boggle_board = BoggleBoard.new(dice_grid)

    # implement tests for each of the methods here:

    boggle_board = BoggleBoard.new(dice_grid)
    puts boggle_board.create_word([1,2], [1,1], [2,1], [3,2])
    print boggle_board.get_row(1)
    puts ""
    print boggle_board.get_col(1)
    puts ""


    # create driver test code to retrieve a value at a coordinate here:
    puts boggle_board.access(3, 3)
    puts boggle_board.get_diagonal([0, 3], [3, 0])


    # Reflection:
    # Some tips:
    # Make sure you compare absolute value of differences (line 32), otherwise Up-Right and Down-Left diagonals won't work
    # There are 4 cases for the diagonal, each one took me considerable time but I got it eventually.

  2. @dbc-challenges dbc-challenges revised this gist Oct 31, 2013. 1 changed file with 10 additions and 1 deletion.
    11 changes: 10 additions & 1 deletion 0.2.1-boggle_class_from_methods.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -10,4 +10,13 @@ class BoggleBoard
    ["e", "c", "l", "r"],
    ["t", "a", "k", "e"]]

    boggle_board = BoggleBoard.new(dice_grid)
    boggle_board = BoggleBoard.new(dice_grid)

    # implement tests for each of the methods here:



    # create driver test code to retrieve a value at a coordinate here:



  3. @dbc-challenges dbc-challenges created this gist Oct 31, 2013.
    13 changes: 13 additions & 0 deletions 0.2.1-boggle_class_from_methods.rb
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,13 @@
    class BoggleBoard

    #your code here

    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)