let mover2;

​

function setup(){

  createCanvas(640,360);

  mover1 = new Mover(100,50,2);

  mover2 = new Mover(400,50,4);

}

​

function draw() {

  background(255,153,204);

​

  // acceleration should ALWAYS be resetted.

  // addition of friction makes the ball stop moving. 

  if (mouseIsPressed) {

    let wind=createVector (0.1,0);

    mover1.applyForce(wind);

    mover2.applyForce(wind);

}

  let gravity = createVector(0,1);

  let weight1 = p5.Vector.mult(gravity, mover1.mass);

  let weight2 = p5.Vector.mult(gravity, mover2.mass);

​

  mover1.applyForce(weight1);

  mover2.applyForce(weight2);

  mover1.update();

  mover1.edges();

  mover1.display();

  mover2.update();

  mover2.edges();

  mover2.display();

}