main.js

const carCanvas = document.getElementById("myCanvas");
carCanvas.width = 200;

const carCtx = carCanvas.getContext("2d");

const road = new Road(carCanvas.width / 2, carCanvas.width * 0.9, 5);

const N = 1;
const cars = generateCars(N);
let bestCar = cars[0];
// if (localStorage.getItem("bestBrain")) {
for (let i = 0; i < cars.length; i++) {
  cars[i].brain = theBestCar;
  console.log(JSON.parse(localStorage.getItem("bestBrain")));
  if (i != 0) {
    NeuralNetwork.mutate(cars[i].brain, 0.1);
  }
}
// }

const traffic = [
  new Car(road.getLaneCenter(1), -100, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(0), -300, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(2), -300, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(0), -500, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(1), -500, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(4), -700, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(2), -700, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(1), -900, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(0), -1100, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(2), -1100, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(5), -1300, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(1), -1300, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(5), -1500, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(3), -1500, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(3), -1700, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(4), -1900, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(2), -1900, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(1), -2100, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(1), -2100, 30, 50, "DUMMY", 2),
  new Car(road.getLaneCenter(5), -2300, 30, 50, "DUMMY", 2),
];

animate();

function save() {
  console.table(bestCar.brain);
  localStorage.setItem("bestBrain", JSON.stringify(bestCar.brain));
}

function discard() {
  localStorage.removeItem("bestBrain");
}

function generateCars(N) {
  const cars = [];
  for (let i = 1; i <= N; i++) {
    cars.push(new Car(road.getLaneCenter(1), 100, 30, 50, "AI"));
  }
  return cars;
}

function animate() {
  for (let i = 0; i < traffic.length; i++) {
    traffic[i].update(road.borders, []);
  }
  for (let i = 0; i < cars.length; i++) {
    cars[i].update(road.borders, traffic);
  }
  bestCar = cars.find((c) => c.y == Math.min(...cars.map((c) => c.y)));

  carCanvas.height = window.innerHeight;

  carCtx.save();
  carCtx.translate(0, -bestCar.y + carCanvas.height * 0.7);

  road.draw(carCtx);
  for (let i = 0; i < traffic.length; i++) {
    traffic[i].draw(carCtx, "red");
  }
  carCtx.globalAlpha = 0.2;
  for (let i = 0; i < cars.length; i++) {
    cars[i].draw(carCtx, "black");
  }
  carCtx.globalAlpha = 1;
  bestCar.draw(carCtx, "black", true);

  carCtx.restore();

  requestAnimationFrame(animate);
}