some solutions for projects on odin project

tic_tac_toe/Board.rb

@@ -0,0 +1,78 @@
+class Board
+  attr_accessor :turn, :squares, :update_square
+
+  def initialize(turn = 1)
+    @turn = turn
+    @squares = [
+      [" ", " ", " "],
+      [" ", " ", " "],
+      [" ", " ", " "]
+    ]
+  end
+
+  def to_s
+    print "\n
+    1: #{@squares[0][0]} | 2: #{@squares[0][1]} | 3: #{@squares[0][2]} \n
+    ---------------------\n
+    4: #{@squares[1][0]} | 5: #{@squares[1][1]} | 6: #{@squares[1][2]} \n
+    ---------------------\n
+    7: #{@squares[2][0]} | 8: #{@squares[2][1]} | 9: #{@squares[2][2]} \n
+    "
+  end
+
+  def update_square(square, symbol)
+    # translate a numbered square onto a matrix
+    row = ((square - 1) / 3).ceil()
+    column = (square - 1) % 3
+    success = false
+
+    if @squares[row][column] != " "
+      puts "Square is already taken."
+      puts "Please try again."
+    else
+      @squares[row][column] = symbol
+      success = true
+    end
+
+    success
+  end
+
+  def check_for_winner
+    winner = nil
+
+    # check whether all squares in a row match
+    for row in @squares
+      if row.all? { |square| square == "X" }
+        if !winner
+          winner = "X"
+        end
+      elsif row.all? { |square| square == "O" }
+        if !winner
+          winner = "O"
+        end
+      end
+    end
+
+    # check whether all columns match
+    if not winner
+      for column in 0..2
+        if @squares[column].all? { |square| square == "X" }
+          winner = "X"
+        elsif @squares[column].all? { |square| square == "O" }
+          winner = "O"
+        end
+      end
+    end
+
+    # check for diagonal matches
+    if not winner
+      if (@squares[0][0] == "X" or @squares[0][0] == "O") and @squares[0][0] == @squares[1][1] and @squares[1][1] == @squares[2][2]
+        winner = @squares[0][0]
+      elsif (@squares[0][2] == "X" or @squares[0][2] == "O") and @squares[0][2] == @squares[1][1] and @squares[1][1] == @squares[2][0]
+        winner = @squares[0][2]
+      end
+    end
+
+    winner
+  end
+end

tic_tac_toe/Game.rb

@@ -0,0 +1,70 @@
+class Game
+  def initialize
+    puts "Welcome to Tic Tac Toe!"
+    puts "Player 1, what is your name?"
+    player_one_name = gets
+
+    puts "Player 2, what is your name?"
+    player_two_name = gets
+
+    @playerOne = Player.new(player_one_name, "X")
+    @playerTwo = Player.new(player_two_name, "O")
+    @statusMessage = ""
+    @board = Board.new()
+    @winner = nil
+    @turn = 1
+  end
+
+  def to_s
+    print "
+    Player one: #{@playerOne.name}\n
+    Player two: #{@playerTwo.name}\n
+    Current turn: #{@turn}\n
+    #{@statusMessage}
+    #{@board.to_s}
+    "
+  end
+
+  def play
+    until @winner
+      self.turn()
+    end
+
+    @statusMessage = "#{@statusMessage + "\nPress 'x' to exit"}"
+    print self.to_s
+
+    until gets.chomp == "x"
+      print self.to_s
+    end
+  end
+
+  def turn()
+    # clear the terminal on each turn
+    puts "\e[H\e[2J"
+    print self.to_s
+
+    puts "Player #{@turn % 2 == 0 ? @playerTwo.name : @playerOne.name}, please select a square. (1-9)"
+    player_input = gets.chomp.to_i
+
+    unless player_input.is_a?(Numeric) and player_input.between?(1, 9)
+      @statusMessage = "Invalid input. Expected a number between 1 and 9."
+      self.turn()
+    end
+
+    move_success = @board.update_square(player_input, @turn % 2 == 0 ? "O" : "X")
+
+    if not move_success
+      @statusMessage = "Invalid input. This square is already taken."
+      self.turn()
+    end
+
+    winner_this_turn = @board.check_for_winner
+
+    if winner_this_turn
+      @winner = (winner_this_turn == "X" ? @playerOne.name : @playerTwo.name)
+      @statusMessage = "#{@winner} wins!"
+    else
+      @turn += 1
+    end
+  end
+end

tic_tac_toe/Player.rb

@@ -0,0 +1,10 @@
+class Player
+  attr_accessor :turn_active
+  attr_reader :name, :symbol, :turn_active
+
+  def initialize(name, symbol)
+    @name = name
+    @symbol = symbol
+    @turn_active = false
+  end
+end

tic_tac_toe/main.rb

@@ -0,0 +1,6 @@
+require_relative "Board.rb"
+require_relative "Player.rb"
+require_relative "Game.rb"
+
+game = Game.new
+game.play