class Board

Constants

COMPUTER
HUMAN

Attributes

grid[RW]

player[RW]

possible_boards[RW]

size[RW]

Public Class Methods

new(grid_size) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 8
def initialize(grid_size)
        @grid = Array.new(grid_size)
        @size = @grid.length
        @possible_boards = []
end

Public Instance Methods

computer_moves() click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 88
def computer_moves
        @grid.count(COMPUTER)
end

current_player() click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 80
def current_player
        @grid.count(HUMAN) > @grid.count(COMPUTER) ? COMPUTER : HUMAN
end

get_move_list(grid) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 59
def get_move_list(grid)
        grid.each_index.select{|index| grid[index].nil?}
end

occupied?(grid, location) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 55
def occupied?(grid, location)
        grid[location].nil? ? false : grid[location]
end

player_moves() click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 84
def player_moves
        @grid.count(HUMAN)
end

simulate_move(board, position, player) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 75
def simulate_move(board, position, player)
        board.grid[position] = player
        board
end

store_position(position, participant) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 71
def store_position(position, participant)
        @grid[position] = participant
end

take_turn(player) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 67
def take_turn(player)
        player == HUMAN ? COMPUTER : HUMAN
end

tie?() click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 47
def tie?
        if (player_moves + computer_moves) == grid.length && !winner?("X") && !winner?("O")
                true
        else
                false
        end
end

unoccupied(position) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 63
def unoccupied(position)
        @grid[position].nil?
end

winner?(player) click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 24
def winner?(player)
        if grid.length == 9
                winning_possibilities.each do |win|
                        if grid[win[0]] == player && grid[win[1]] == player && grid[win[2]] == player
                                return true
                        end
                end
        elsif grid.length == 16
                winning_possibilities.each do |win|
                        if grid[win[0]] == player && grid[win[1]] == player && grid[win[2]] == player && grid[win[3]] == player
                                return true
                        end
                end
        elsif grid.length == 25
                winning_possibilities.each do |win|
                        if grid[win[0]] == player && grid[win[1]] == player && grid[win[2]] == player && grid[win[3]] == player && grid[win[4]] == player
                                return true
                        end
                end
        end
        false
end

winning_possibilities() click to toggle source

# File lib/ultimate_tic_tac_toe/board.rb, line 14
def winning_possibilities
        if grid.length == 9
                [[0,1,2], [3,4,5], [6,7,8], [0,3,6], [1,4,7], [2,5,8], [0,4,8], [2,4,6]]
        elsif grid.length == 16
                [[0,1,2,3], [4,5,6,7], [8,9,10,11],[12,13,14,15], [0,5,10,15], [3,6,9, 12], [0,4,8,12], [1,5,9,13], [2,6,10,14], [3,7,11,15]]
        elsif grid.length == 25
                [[0,1,2,3,4], [5,6,7,8,9],[10,11,12,13,14],[15,16,17,18,19], [20,21,22,23,24,25], [0,5,10,15,20], [1,6,11,16,21], [2,7,12,17,22], [3,8,13,18,23],[4,9,14,19,24], [0,6,12,18,24],[4,8,12,16,20]]
        end
end