Tic-tac-toe: Difference between revisions
Content added Content deleted
(→{{header|Ruby}}: simplify creation of players and looking up of current player) |
(→{{header|Ruby}}: make free_positions a method instead of an instance variable, to reduce state) |
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| Line 5,258: | Line 5,258: | ||
def initialize(player_1_class, player_2_class) |
def initialize(player_1_class, player_2_class) |
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@board = Array.new(10) # we ignore index 0 for convenience |
@board = Array.new(10) # we ignore index 0 for convenience |
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| ⚫ | |||
@current_player_id = 0 |
@current_player_id = 0 |
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| Line 5,264: | Line 5,263: | ||
puts "#{current_player} goes first." |
puts "#{current_player} goes first." |
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end |
end |
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attr_reader :board |
attr_reader :board, :current_player_id |
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def play |
def play |
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| Line 5,282: | Line 5,281: | ||
switch_players! |
switch_players! |
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end |
end |
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| ⚫ | |||
| ⚫ | |||
Set.new((1..9).select {|position| @board[position].nil?}) |
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end |
end |
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| Line 5,287: | Line 5,290: | ||
position = player.select_position! |
position = player.select_position! |
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puts "#{player} selects #{player.marker} position #{position}" |
puts "#{player} selects #{player.marker} position #{position}" |
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| ⚫ | |||
@board[position] = player.marker |
@board[position] = player.marker |
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@free_positions.delete(position) |
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end |
end |
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| Line 5,299: | Line 5,300: | ||
def board_full? |
def board_full? |
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free_positions.empty? |
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end |
end |
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| Line 5,311: | Line 5,312: | ||
def current_player |
def current_player |
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@players[ |
@players[current_player_id] |
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end |
end |
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| Line 5,319: | Line 5,320: | ||
def turn_num |
def turn_num |
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10 - |
10 - free_positions.size |
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end |
end |
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