bouncing ball

class Ball {
  float x;
  float y;
  float speedX;
  float speedY;
  float s;

  Ball(float _x, float _y) {
    x = _x;
    y = _y;
    speedX = random(-5, 5);
    speedY = random(-5, 5);
    s = random(5, 200);
  }

  void render() {
    circle(x, y, s);
  }

  void update() {
    x = x + speedX;
    y = y + speedY;
  }

  void bounce() {
    if (x>width || x<0) {
      speedX = -speedX;
    }
    if (y>height || y<0) {
      speedY = -speedY;
    }
  }
}