this.pos = createVector(width/2, height/2);

  this.r = 10;

  this.direction = createVector(1,1);

  this.vel = createVector(4,2).mult(2);

  this.display = function() {

    ellipse(this.pos.x, this.pos.y, this.r*2, this.r*2);

  }

  this.update = function() {

    this.pos.x += this.vel.x * this.direction.x;

    this.pos.y += this.vel.y * this.direction.y;

  }

  this.checkEdges = function() {

    if (this.pos.y < this.r) {

      this.direction.y *= -1;

    } else if (this.pos.x > width - this.r) {

      this.direction.x *= -1;

    } else if (this.pos.x < 0) {

      this.direction.x *= -1;

    }

  }

  this.meets = function(paddle) {

    if (this.pos.y < paddle.pos.y && 

        this.pos.y > paddle.pos.y - this.r &&

        this.pos.x > paddle.pos.x - this.r &&

        this.pos.x < paddle.pos.x + paddle.w + this.r) {

        return true;

    } else return false;

  }

  this.hits = function(brick) {

    var distance = dist(this.pos.x, this.pos.y, brick.x, brick.y);

    if (distance < this.r + brick.rW && distance < this.r + brick.rH) {

        return true; } 

    else {

        return false

        }

  }

}