Created
December 2, 2021 16:25
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AoC#2
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| pinput = <<-PUZ | |
| # your input goes here | |
| PUZ | |
| sub = Submarine.new(pinput.split("\n")) | |
| sub.go_brr | |
| sub.where | |
| class Submarine | |
| attr_reader :aim, :horizontal_pos, :vertical_pos, :movements | |
| def initialize(puzzle_input) | |
| @horizontal_pos = 0 | |
| @vertical_pos = 0 | |
| @aim = 0 | |
| @movements = puzzle_input | |
| end | |
| def where | |
| @horizontal_pos * @vertical_pos | |
| end | |
| def go_brr | |
| @movements.each do |movement| | |
| (/(?<direction>\w+) (?<far>\d)/).match(movement) do |go| | |
| self.send("move_#{go[:direction]}", go[:far].to_i) | |
| end | |
| end | |
| end | |
| private | |
| def move_forward(x) | |
| @horizontal_pos += x | |
| @vertical_pos += (@aim * x) | |
| end | |
| def move_up(x) | |
| @aim -= x | |
| end | |
| def move_down(x) | |
| @aim += x | |
| end | |
| end |
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