Class: TTT::AI

Inherits:
Player show all
Includes:
Minimax
Defined in:
lib/ttt/ai.rb

Direct Known Subclasses

AIEasy, AIHard, AIMedium

Instance Attribute Summary collapse

Attributes inherited from Player

#side

Instance Method Summary collapse

Methods included from Minimax

#alpha_beta_swapped?, #base_case_satisfied?, #eval_score, #gen_score_game_tree, #mark_curr_player_side, #minimax, #winning_score

Methods inherited from Player

#==, #initialize

Constructor Details

This class inherits a constructor from TTT::Player

Instance Attribute Details

#board ⇒ Object

Returns the value of attribute board.



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# File 'lib/ttt/ai.rb', line 7

def board
  @board
end

#max_ply ⇒ Object

Returns the value of attribute max_ply.



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# File 'lib/ttt/ai.rb', line 7

def max_ply
  @max_ply
end

Instance Method Details

#available_moves ⇒ Object 



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# File 'lib/ttt/ai.rb', line 17

def available_moves
  board[].each.with_index.map { |element, index| index if element == " " }.compact
end

#move(options) ⇒ Object 



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# File 'lib/ttt/ai.rb', line 9

def move(options)
  self.board = (options[:board].dup)
end

#no_gui? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ttt/ai.rb', line 25

def no_gui?
  true
end

#opposite_side(side) ⇒ Object 



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# File 'lib/ttt/ai.rb', line 13

def opposite_side(side)
  side == "x" ? "o" : "x"
end

#prompt ⇒ Object 



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# File 'lib/ttt/ai.rb', line 29

def prompt
  "Computer thinking."
end

#undo_move(index) ⇒ Object 



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# File 'lib/ttt/ai.rb', line 21

def undo_move(index)
  board[][index] = " "
end