Class: LengthToXY

Inherits:
Object
  • Object
show all
Defined in:
lib/codenjoy/utils.rb

Instance Method Summary collapse

Constructor Details

#initialize(board_size) ⇒ LengthToXY 



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# File 'lib/codenjoy/utils.rb', line 50

def initialize(board_size)
  @board_size = board_size
end

Instance Method Details

#getLength(x, y) ⇒ Object 



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# File 'lib/codenjoy/utils.rb', line 69

def getLength(x, y)
    xx = inversionX(x);
    yy = inversionY(y);
    yy * @board_size + xx;
end

#getXY(length) ⇒ Object 



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# File 'lib/codenjoy/utils.rb', line 62

def getXY(length)
  return nil if (length == -1)
  x = inversionX(length % @board_size);
  y = inversionY((length / @board_size).floor);
  return Point.new(x, y);
end

#inversionX(x) ⇒ Object 



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# File 'lib/codenjoy/utils.rb', line 58

def inversionX(x)
  x;
end

#inversionY(y) ⇒ Object 



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# File 'lib/codenjoy/utils.rb', line 54

def inversionY(y)
  @board_size - 1 - y;
end