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(import enum [Enum])
(defclass Direction [Enum]
(setv UP "UP")
(setv DOWN "DOWN")
(setv LEFT "LEFT")
(setv RIGHT "RIGHT")
(defn [staticmethod] from-move [move]
#((.x-from-move Direction move)
(.y-from-move Direction move)))
(defn [staticmethod] x-from-move [move]
(if (>= (get move 0) 0)
Direction.RIGHT
Direction.LEFT))
(defn [staticmethod] y-from-move [move]
(if (>= (get move 0) 0)
Direction.DOWN
Direction.UP))
(defn [staticmethod] x-between-points [point1 point2]
(let [delta-x (abs (- (get point1 0) (get point2 0)))]
(if (>= delta-x 0)
Direction.RIGHT
Direction.LEFT))))
(defn neg [value]
(* -1 value))
(defn invert [move]
#((neg (get move 0))
(neg (get move 1))))
(defn merge-moves [moves]
(let [end-move #(0 0)]
(for [move moves]
(setv end-move
#((+ (get end-move 0) (get move 0))
(+ (get end-move 1) (get move 1)))))
end-move))
(defn sub-points [point1 point2]
#((- (get point2 0) (get point1 0))
(- (get point2 1) (get point2 1))))
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