constructor(x, y){

    this.pos = createVector(x,y);

    this.vel = p5.Vector.random2D();

    this.vel.mult(random(3));    

  }

  update(){

    let mouse = createVector(mouseX, mouseY);

    this.acc = p5.Vector.sub(mouse, this.pos);

    this.acc.setMag(0.1);

    // this.acc = p5.Vector.random2D();

    this.vel.add(this.acc);

    this.vel.limit(3);

    this.pos.add(this.vel);

  }

  show(){

    stroke(255);

    strokeWeight(2);

    fill(255,100);

    ellipse(this.pos.x, this.pos.y, 3);

  }

}