79 lines
1.9 KiB
Ruby
79 lines
1.9 KiB
Ruby
class Board
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attr_accessor :turn, :squares, :update_square
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def initialize(turn = 1)
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@turn = turn
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@squares = [
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[" ", " ", " "],
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[" ", " ", " "],
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[" ", " ", " "]
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]
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end
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def to_s
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print "\n
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1: #{@squares[0][0]} | 2: #{@squares[0][1]} | 3: #{@squares[0][2]} \n
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---------------------\n
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4: #{@squares[1][0]} | 5: #{@squares[1][1]} | 6: #{@squares[1][2]} \n
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---------------------\n
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7: #{@squares[2][0]} | 8: #{@squares[2][1]} | 9: #{@squares[2][2]} \n
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"
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end
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def update_square(square, symbol)
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# translate a numbered square onto a matrix
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row = ((square - 1) / 3).ceil()
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column = (square - 1) % 3
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success = false
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if @squares[row][column] != " "
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puts "Square is already taken."
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puts "Please try again."
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else
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@squares[row][column] = symbol
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success = true
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end
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success
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end
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def check_for_winner
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winner = nil
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# check whether all squares in a row match
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for row in @squares
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if row.all? { |square| square == "X" }
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if !winner
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winner = "X"
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end
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elsif row.all? { |square| square == "O" }
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if !winner
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winner = "O"
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end
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end
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end
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# check whether all columns match
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if not winner
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for column in 0..2
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if @squares[column].all? { |square| square == "X" }
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winner = "X"
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elsif @squares[column].all? { |square| square == "O" }
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winner = "O"
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end
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end
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end
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# check for diagonal matches
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if not winner
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if (@squares[0][0] == "X" or @squares[0][0] == "O") and @squares[0][0] == @squares[1][1] and @squares[1][1] == @squares[2][2]
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winner = @squares[0][0]
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elsif (@squares[0][2] == "X" or @squares[0][2] == "O") and @squares[0][2] == @squares[1][1] and @squares[1][1] == @squares[2][0]
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winner = @squares[0][2]
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end
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end
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winner
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end
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end
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