//it's a general function that take 2 numbers an multiplies them

let m=0;

let speed=1;

function multi(x, factor) {

  return factor * x;

}

function move(){

  return m=speed+1;}

​

function bounce(){

  if (m>=height){

    m=0;

  }

}

​

function setup() {

  createCanvas(400, 400);

  textSize(90);

  console.log(multi(10, 70));

}

​

function draw() {

  background(220);

  ellipse(multi(100, 2), m, 100);

  text(multi(10, 70)-m, 100, 100);

  move();

  bounce();

}