code. compile. run. debug. share.
# frozen_string_literal: true
require_relative 'game'
require_relative 'board'
require_relative 'string'
game = Game.new
game.play_game
# frozen_string_literal: true
# stores board state
class Board
attr_reader :rows
def initialize
@current_piece = ['x'.red, 'o'.blue]
@rows = [
%w[7 8 9],
%w[4 5 6],
%w[1 2 3]
]
end
def columns
@rows.transpose
end
def diagonals
[
[@rows[0][0], @rows[1][1], @rows[2][2]],
[@rows[0][2], @rows[1][1], @rows[2][0]]
]
end
def print_board
print_row(@rows[0])
puts '---|---|---'
print_row(@rows[1])
puts '---|---|---'
print_row(@rows[2])
end
def change_piece
@current_piece.reverse!
end
def occupied?(chosen)
@rows.none? { |row| row.include?(chosen) }
end
def update_state(chosen)
@rows.map! { |row| row.map { |square| chosen.eql?(square) ? @current_piece[0] : square } }
end
private
def print_row(row)
puts " #{row[0]} | #{row[1]} | #{row[2]}"
end
end
# frozen_string_literal: true
# manages the game logic, user interactions, and game states.
class Game
def initialize
@chosen_square = nil
@current_player = 1
@game_won = false
@game_drawn = false
@board = Board.new
end
def play_game
@board.print_board
until @game_won || @game_drawn
choose_square
set_instance_variables
print_info
@board.change_piece
change_player
end
end
def choose_square
until (input_verified? unless @board.occupied?(@chosen_square))
ask_for_square
set_chosen_square
print_typo_message if @board.occupied?(@chosen_square) || !input_verified?
end
end
def input_verified?
@chosen_square.to_s.match?(/^[1-9]$/)
end
def set_chosen_square
@chosen_square = gets.chomp
end
def set_instance_variables
@board.update_state(@chosen_square)
set_game_won
set_game_drawn
end
def set_game_won
@game_won = (@board.rows + @board.columns + @board.diagonals).any? do |line|
line.all?('o'.blue) || line.all?('x'.red)
end
end
def set_game_drawn
return if @game_won
@game_drawn = @board.rows.all? do |row|
row.none? { |value| value.match?(/^[1-9]$/) }
end
end
def change_player
@current_player.eql?(1) ? @current_player += 1 : @current_player -= 1
end
private
def ask_for_square
puts "Player #{@current_player}, type a number to choose a square to draw your symbol."
end
def print_typo_message
puts "\nTYPO OR SQUARE OCCUPIED.\n"
end
def print_game_over
puts "Player #{@current_player} wins!" if @game_won
puts 'It\'s a draw!' if @game_drawn
end
def print_info
@board.print_board
print_game_over
end
end
# frozen_string_literal: true
# allows string colorization
class String
def red
"\e[31m#{self}\e[0m"
end
def blue
"\e[34m#{self}\e[0m"
end
end
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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