Class: TictactoeJ8th::Board

Inherits:
Object
  • Object
show all
Defined in:
lib/tictactoe_j8th/board.rb

Constant Summary collapse

BOARD_SIZE = 
9
BOARD_LINES = 
[
  [0, 1, 2],
  [3, 4, 5],
  [6, 7, 8],

  [0, 3, 6],
  [1, 4, 7],
  [2, 5, 8],

  [0, 4, 8],
  [2, 4, 6]
]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Board

Returns a new instance of Board.



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# File 'lib/tictactoe_j8th/board.rb', line 17

def initialize
  @board = Array.new(BOARD_SIZE)
end

Class Method Details

.from_s(string) ⇒ Object

Public Class Methods



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# File 'lib/tictactoe_j8th/board.rb', line 71

def self.from_s(string)
  board = Board.new
  (0..BOARD_SIZE-1).each do |i|
    board.place(string[i].to_sym, i) unless string[i] == 'E'
  end
  board
end

Instance Method Details

#[](spot) ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 34

def [](spot)
  board[spot]
end

#create_copy ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 54

def create_copy
  copy = Board.new
  copy.set_board(@board.dup)
  copy
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tictactoe_j8th/board.rb', line 21

def empty?
  board.all? { |value| value.nil? }
end

#full? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tictactoe_j8th/board.rb', line 29

def full?
  return false if board.include? nil
  true
end

#lines ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 38

def lines
  array = []
  BOARD_LINES.each do |line|
    hash = {}
    line.each do |i|
      hash[i] = board[i]
    end
    array.push(hash)
  end
  array
end

#place(item, position) ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 25

def place(item, position)
  board[position] = item if board[position].nil?
end

#set_board(array) ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 50

def set_board(array)
  @board = array
end

#to_s ⇒ Object 



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# File 'lib/tictactoe_j8th/board.rb', line 60

def to_s
  string = ''
  board.each do |spot|
    string += spot.nil? ? 'E' : spot.to_s
  end
  string
end