posSun = 0;

​

function setup() {

  createCanvas(600, 600);

  posSun = createVector(300, 300);

}

​

function draw() {

  background(0, 100);

  circle(width / 2, height / 2, 50);

  for (let i = 0; i < balls.length; i++) {

    let b = balls[i];

    let force = p5.Vector.sub(posSun, b.p);

    let intensity = 0.0003;

    b.acc = force.mult(intensity);

    console.log(intensity);

    b.update();

  }

}

​

class Ball {

  constructor(x, y, na, nb) {

    this.p = createVector(x, y);

    this.vel = createVector(na, nb);

    this.acc = createVector(0, 0);

  }

  update() {

    this.vel.add(this.acc);

    this.p.add(this.vel);

    //console.log(this.vel.x, this.acc.x);

    circle(this.p.x, this.p.y, 20);

  }

}

​

function mousePressed() {

    let angle = random();

    let va = sin(angle);

    let vb = sin(angle);

    let intensity = random(1.5, 4);

    balls.push(

      new Ball(mouseX, mouseY, va * intensity, vb * intensity)

    );

}

​