createCanvas(400, 400);

  center = createVector(width / 2, height / 2);

  boxes = [];

  rectMode(CENTER);

  for(i = 0; i < height / 20 - 1; i++){

    boxes[boxes.length] = new Box(width / 2, i * 35);

  }

}

​

function draw() {

  background(220);

  for(i = 0; i < boxes.length; i++){

    boxes[i].update();

  }

}

​

class Box{

  constructor(x, y, index){

    this.pos = createVector(x, y);

    this.vel = createVector(1, 0);

    this.dist = p5.Vector.sub(center, this.pos);

    this.dist2 = createVector(0, 0);

    this.td = this.dist.mag();

    this.reaim = createVector(0, 0);

    // this.vel.setMag(this.dist.mag() / 100  + sqrt(this.dist.mag()) * 0.1);

    this.index = index;

  }

  update(){

    this.dist = p5.Vector.sub(this.pos, center);

    // this.dist2 = this.dist;

    // this.dist.setMag(this.td);

    // this.reaim = p5.Vector.sub(this.dist2, this.dist);

    this.vel.setHeading(this.dist.heading() + HALF_PI + 0.024);

    // this.pos.add(this.reaim);

    this.pos.add(this.vel);

    noFill();

    circle(width / 2, height / 2, this.dist.mag() * 2);

    fill(255);

    square(this.pos.x, this.pos.y, 10);

  }

}