constructor(x, y, speed, first, opacity) {

    this.x = x;

    this.y = y;

    this.value = 0;

    this.speed = speed;

    this.first = first;

    this.opacity = opacity;

    this.switchInterval = round(random(2, 25));

  }

​

  setToRandomSymbol() {

    if (frameCount % this.switchInterval == 0) {

      this.value = floor(random(0, 10));

    }

  }

​

  fall() {

    if (this.y >= height) {

      this.y = 0;

    } else {

      this.y += this.speed;

    }

  }

}