constructor(x, y, width, height, color, velocity) {

    this.posX = x;

    this.posY = y;

    this.carWidth = width;

    this.carHeight = height;

    this.carColor = color;

    this.wheelWidth = this.carWidth * 0.3;

    this.wheelHeight = this.wheelWidth / 2.5;

    this.velocity = velocity;

  }

​

  display() {

    fill(this.carColor);

    noStroke();

    rect(this.posX, this.posY, this.carWidth, this.carHeight);

​

    fill(0);

    rect(this.posX - this.carWidth / 2 + this.wheelWidth / 2, this.posY - this.carHeight / 2 - this.wheelHeight / 2, this.wheelWidth, this.wheelHeight);

    rect(this.posX + this.carWidth / 2 - this.wheelWidth / 2, this.posY - this.carHeight / 2 - this.wheelHeight / 2, this.wheelWidth, this.wheelHeight);

    rect(this.posX - this.carWidth / 2 + this.wheelWidth / 2, this.posY + this.carHeight / 2 + this.wheelHeight / 2, this.wheelWidth, this.wheelHeight);

    rect(this.posX + this.carWidth / 2 - this.wheelWidth / 2, this.posY + this.carHeight / 2 + this.wheelHeight / 2, this.wheelWidth, this.wheelHeight);

  }

​

  drive() {

    this.posX += this.velocity;

    if (this.posX > width + this.carWidth / 2) {

      this.posX = -this.carWidth / 2;

    }

  }

}

​

let cars = [];

​

function setup() {

  createCanvas(600, 600);

  rectMode(CENTER);

  for (let i = 0; i < 5; i++) {

    let car = new Car(random(width), random(height), 100, 40, color(random(255), random(255), random(255)), random(5, 15));

    cars.push(car);

  }

}

​

function draw() {

  background(155);

  for (let car of cars) {

    car.display();

    car.drive();

  }

}