AOC Day 3

day3.js

const beginTime = process.hrtime();

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function generateToboggan(right, down) {
  this.right = right;
  this.down = down;
  this.traverseHill = () => {
    let hits = 0;
    for (let offset = 0, slope = 0;
      slope < input.length;
      offset += this.right, slope += this.down) {
      if (offset >= input[slope].length)
        offset -= input[slope].length;
      if (input[slope][offset])
        hits++;
    }
    return hits;
  };
  return this;
}

const directions = [[1, 1], [3, 1], [5, 1], [7, 1], [1, 2]];
const mapTrees = (MT) => MT.map((c) => c === '.' ? 0 : 1);

for (let i in input) {
  input[i] = mapTrees(input[i].split(''));
}

let treesHit = [];
for (let tobogganRun of directions) {
  treesHit.push(generateToboggan(tobogganRun[0], tobogganRun[1]).traverseHill());
}

console.log(treesHit);
console.log(treesHit.reduce((a, i) => a * i));

const endTime = process.hrtime(beginTime);
console.log('\nRunning Time: ' + endTime[0] + ' seconds ' + endTime[1] / 1000000 + ' ms');

hey can u please tell me what's this? I am interested in it. Is it a game or something?

@skipastyyyy
Just for fun. Just a thing for Advent of Code