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main.js
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main.js
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const carCanvas = document.getElementById("carCanvas");
carCanvas.width = 220;
const networkCanvas=document.getElementById("networkCanvas");
networkCanvas.width=300;
const carCtx = carCanvas.getContext("2d");
const networkCtx = networkCanvas.getContext("2d");
const road = new Road(carCanvas.width/2, carCanvas.width*0.9)
const N = 100;
const cars = generateCars(N);
let bestCar = cars[0];
if (localStorage.getItem("bestBrain")){
for (let i = 0; i < cars.length; i++) {
cars[i].brain = JSON.parse(
localStorage.getItem("bestBrain")
);
if (i != 0){
NeuralNetwork.mutate(cars[i].brain, 0.15);
}
}
}
const M = 10;
let traffic = generateTrafic(M);
animate();
function save(){
localStorage.setItem("bestBrain", JSON.stringify(bestCar.brain));
}
function discard(){
localStorage.removeItem("bestBrain");
}
function generateTrafic(N){
const traf = [];
for (let i = 0; i < N; i++) {
const laneCenter = road.getLaneCenter(Math.floor(Math.random() * 3));
const yPosition = -100 - i * 200; // Adjust the y position based on the car's index
const car = new Car(laneCenter, yPosition, 30, 50, "DUMMY");
traf.push(car);
}
return traf;
}
function generateCars(N){
const cars = [];
for (let i = 0; i < N; i++) {
cars.push(new Car(road.getLaneCenter(1), 100, 30, 50, "AI"));
}
return cars;
}
function animate(time){
for (let i = 0; i < traffic.length; i++) {
traffic[i].update(road.borders, []);
}
for(let i = 0; i < N; i++){
cars[i].update(road.borders, traffic);
}
bestCar = cars.find(
c=>c.y==Math.min(...cars.map(c=>c.y))
);
carCanvas.height = window.innerHeight;
networkCanvas.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, "black");
}
carCtx.globalAlpha = 0.2;
for (let i = 0; i < N; i++) {
cars[i].draw(carCtx, "blue");
}
carCtx.globalAlpha = 1;
bestCar.draw(carCtx, "blue", true);
carCtx.restore();
networkCtx.lineDashOffset=-time/50;
Visualizer.drawNetwork(networkCtx, bestCar.brain);
requestAnimationFrame(animate);
}