Created
September 28, 2015 02:35
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| board = (0..8).to_a | |
| WINNING_COMBINATIONS = [[0, 1, 2], [3, 4, 5], [6, 7, 8], [0, 3, 6], [1, 4, 7], [2, 5, 8], [0, 4, 8], [2, 4, 6]] | |
| PLAYER1_MARK = "X" | |
| PLAYER2_MARK = "O" | |
| def greeting | |
| puts "Welcome to Tic Tac Toe!\n" | |
| end | |
| def show_board(board) | |
| puts " | |
| #{board[0]} | #{board[1]} | #{board[2]} | |
| #{board[3]} | #{board[4]} | #{board[5]} | |
| #{board[6]} | #{board[7]} | #{board[8]} | |
| \n" | |
| end | |
| def prompt_player(current_guesses, prev_guesses, current_player) | |
| total_guesses = current_guesses + prev_guesses | |
| puts "#{current_player}, please make a selection: " | |
| guess = gets.chomp.to_i | |
| until(0..8).to_a.include?(guess) | |
| puts "#{guess} is not a valid entry. Please choose a number between 1 and 8: " | |
| guess = gets.chomp.to_i | |
| end | |
| while total_guesses.include?(guess) | |
| puts "Please select a number that has not been chosen: " | |
| guess = gets.chomp.to_i | |
| end | |
| guess | |
| end | |
| def player_win?(current_guesses) | |
| if current_guesses.count >= 3 | |
| current_guesses = current_guesses.sort.combination(3).to_a | |
| current_guesses.any? do |triplet| | |
| WINNING_COMBINATIONS.include?(triplet) | |
| end | |
| end | |
| end | |
| def game_over(current_guesses, turn_count) | |
| player_win?(current_guesses) || turn_count == 9 | |
| end | |
| def aftermath(current_guesses, prev_player, player1, player2, turn_count) | |
| if player_win?(current_guesses) && prev_player == player1 | |
| puts "\nNice work, #{player2}! You win." | |
| puts "Haha, #{player1}! You lose!" | |
| elsif turn_count == 9 | |
| puts "You both lose!" | |
| else | |
| puts "\nNice work, #{player1}! You win." | |
| puts "Haha, #{player2}! You lose!" | |
| end | |
| end | |
| def tic_tac_toe(board) | |
| player1_guesses = Array.new | |
| player2_guesses = Array.new | |
| turn_count = 0 | |
| greeting | |
| puts "Player 1, please enter your name: \n" | |
| player1 = gets.chomp | |
| puts "Player 2, please enter your name: \n" | |
| player2 = gets.chomp | |
| show_board(board) | |
| current_player = player1 | |
| current_guesses = player1_guesses | |
| current_mark = PLAYER1_MARK | |
| prev_guesses = [] | |
| prev_player = nil | |
| until game_over(prev_guesses, turn_count) | |
| guess = prompt_player(current_guesses, prev_guesses, current_player) | |
| current_guesses.push(guess) | |
| board[guess.to_i] = current_mark | |
| show_board(board) | |
| prev_guesses = current_guesses | |
| turn_count += 1 | |
| if current_player == player1 | |
| current_player = player2 | |
| current_guesses = player2_guesses | |
| prev_player = player1 | |
| current_mark = PLAYER2_MARK | |
| else | |
| current_player = player1 | |
| current_guesses = player1_guesses | |
| current_mark = PLAYER1_MARK | |
| prev_player = player2 | |
| end | |
| end | |
| aftermath(current_guesses, prev_player, player1, player2, turn_count) | |
| end | |
| tic_tac_toe(board) |
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