Class: TakaTicTacToe::Board

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

Constant Summary collapse

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Board

Returns a new instance of Board.



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# File 'lib/taka_tic_tac_toe/board.rb', line 9

def initialize
  @slots = %w[1 2 3 4 5 6 7 8 9]
end

Instance Attribute Details

#slots ⇒ Object

Returns the value of attribute slots.



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# File 'lib/taka_tic_tac_toe/board.rb', line 3

def slots
  @slots
end

Class Method Details

.parse(board) ⇒ Object 



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

def self.parse(board)
  parsed_board = self.new
  parsed_board.slots = board.split('')
  parsed_board
end

Instance Method Details

#empty_slots ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 35

def empty_slots
  @slots.select {|x| x.to_i != 0}
end

#full? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/taka_tic_tac_toe/board.rb', line 27

def full?
 (@slots.count {|x| x == 'X'} + @slots.count {|x| x == 'O'}) == 9
end

#get(index) ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 23

def get(index)
  @slots[index-1]
end

#has_winner ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 61

def has_winner
  has_winner = false
  WinComb.each {|num, num2, num3| has_winner = true if unique?(num, num2, num3)}
  has_winner
end

#is_empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/taka_tic_tac_toe/board.rb', line 31

def is_empty?
  @slots.uniq.length == 9
end

#is_filled(index) ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 39

def is_filled(index)
  @slots[index-1].to_i == 0
end

#is_tie ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 49

def is_tie
  full? && !has_winner
end

#print_slots ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 57

def print_slots
 @slots.each_slice(3) {|line| p line}
end

#reset ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 53

def reset
  @slots = %w[1 2 3 4 5 6 7 8 9]
end

#set_move(mark, *index) ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 43

def set_move(mark, *index)
  index.each do |index|
    @slots[(index.to_i)-1] = mark
  end
end

#to_s ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 13

def to_s
  @slots.join
end

#undo_move(index) ⇒ Object 



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# File 'lib/taka_tic_tac_toe/board.rb', line 77

def undo_move(index)
  @slots[(index.to_i)-1] = index.to_s
end

#unique?(one, two, three) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/taka_tic_tac_toe/board.rb', line 67

def unique?(one, two, three)
  [@slots[one], @slots[two], @slots[three]].uniq.length == 1
end

#winner ⇒ Object 



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

def winner
  winner = ""
  WinComb.each {|num, num2, num3| winner = @slots[num] if unique?(num, num2, num3)}
  winner
end