Class: Game

Inherits:
Object
  • Object
show all
Defined in:
lib/nick_tac_toe/game.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(player_one, player_two) ⇒ Game

Returns a new instance of Game.



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# File 'lib/nick_tac_toe/game.rb', line 6

def initialize(player_one, player_two)
  @board = Board.new(player_one.team, player_two.team)
  @player_one = player_one
  @player_two = player_two
  @current_player = player_one
end

Instance Attribute Details

#board ⇒ Object (readonly)

Returns the value of attribute board.



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# File 'lib/nick_tac_toe/game.rb', line 4

def board
  @board
end

#current_player ⇒ Object (readonly)

Returns the value of attribute current_player.



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# File 'lib/nick_tac_toe/game.rb', line 4

def current_player
  @current_player
end

#player_one ⇒ Object (readonly)

Returns the value of attribute player_one.



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# File 'lib/nick_tac_toe/game.rb', line 4

def player_one
  @player_one
end

#player_two ⇒ Object (readonly)

Returns the value of attribute player_two.



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# File 'lib/nick_tac_toe/game.rb', line 4

def player_two
  @player_two
end

Instance Method Details

#draw? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nick_tac_toe/game.rb', line 26

def draw?
  return false if won?
  return board.cells.all? {|cell| cell == @player_one.team || cell == @player_two.team }
end

#make_move(position) ⇒ Object 



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# File 'lib/nick_tac_toe/game.rb', line 17

def make_move(position)
  @board.set_cell(position, current_player.team)
  toggle_current_player
end

#over? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nick_tac_toe/game.rb', line 22

def over?
  return true if draw? || won?
end

#player_won?(player) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nick_tac_toe/game.rb', line 41

def player_won?(player)
  return true if board.rows.any? { |row| row == [player.team]*3 }
  return true if board.columns.any? { |column| column == [player.team]*3 }
  return true if board.diagonals.any? { |diagonal| diagonal == [player.team]*3 }
end

#take_next_turn ⇒ Object 



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# File 'lib/nick_tac_toe/game.rb', line 13

def take_next_turn
  make_move(current_player.move_for(board))
end

#winner ⇒ Object 



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# File 'lib/nick_tac_toe/game.rb', line 47

def winner
  return player_one if player_won?(player_one)
  return player_two if player_won?(player_two)
end

#winner_in_group(group) ⇒ Object 



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# File 'lib/nick_tac_toe/game.rb', line 37

def winner_in_group(group)
  group == [@player_two.team]*3 || group == [@player_one.team]*3
end

#won? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nick_tac_toe/game.rb', line 31

def won?
  return true if board.rows.any? { |row| winner_in_group(row) }
  return true if board.columns.any? { |column| winner_in_group(column) }
  return true if board.diagonals.any? { |diagonal| winner_in_group(diagonal) }
end