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main.js
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main.js
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//car physics
//road generation
//sensors
// collision detection
// neural network
// genetic algorithm
const carCanvas= document.getElementById('carCanvas');
carCanvas.width=200;
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=1;
const cars=generateCars(N);
let bestCar=cars[0];
if(localStorage.getItem("bestBrain")){
for (let i=O i<cars.length;i++){
cars[i].brain=JSON.parse(
localStorage.getItem("bestBrain"));
if(i!=0){
NeuralNetwork.mutate(cars[i].brain,0.1);
}
}
}
//const car = Car(road.getLaneCenter(1),100,30,50,"AI");
//lets add traffic using arrays
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),-600,30,50,"DUMMY,2"),
new Car (road.getLaneCenter(1),-500,30,50,"DUMMY,2"),
new Car (road.getLaneCenter(2),-700,30,50,"DUMMY,2"),
];
animate();
function save(){
localStorage.setItem("bestBrain",
JSON.stringify(bestCar.brain)
);
}
function discard(){
localStorage.removeItem("bestBrain");
}
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[1].update(road.borders,[]);
}
for(let i=0;i<cars.length;i++){
cars[i].update(road.borders,traffic);
}
bestCar = cars.find(c=>.y==Math.min(
...cars.map(c=>y)
));
//car.update(road.borders,traffic);
carCanvas.height=window.innerHeight;
networkCanvas.height=window.innerHeight;
ctx.traslate(0,-bestCar.y+carCanvas.height*0.7);
road.draw(ctx);
for (let i=0; i<traffic.length; i++){
traffic[i].draw(ctx,"red");
}
carCtx.globalAlpha=0.2;
for (let i=0; i<cars.length; i++){
cars[i].draw(ctx,"blue");
}
carCtx.globalAlpha=1;
bestCar.draw(ctx,"blue",true);
// car.draw(ctx,"blue");
ctx.restore();
networkCtx.lineDashOffset=-time/50;
Visualizer.drawNetwork(networkCtx,bestCar.brain);
requestAnimationFrame(animate);
}