createCanvas(400, 400);

  for(let b = 0; b< 10; b++){

    balls.push(newBall(random(width),random(height),random(-5,5),random(-1,-5)));

  }

}

​

function draw() {

  background(220);

  for (let ball of balls){

    ball.move();

    ball.bounce();

    ball.display();

  }

}

​

//Define a class called Ball -- the idea of it

class Ball {

  constructor(x,y,xspeed,yspeed){

    this.x = x

    this.y = y

    this.xspeed = xspeed

    this.yspeed = yspeed

  }

  move(){

    x += xspeed;

    y += yspeed;

  }

  bounce(){

    if( x<0 || x>width) {

      xspeed *= -1

    }

    if (y<0 || y>height){

      yspeed *= -1

    }

  }

  display(){

    ellipse(x,y,50,50)

  }

}