pocketmine\level\particle\FloatingTextParticle::setInvisible PHP Метод

    public function setInvisible($value = true)
    {
        $this->invisible = (bool) $value;
    }

 public function deleteParticles(FloatingTextParticle $particle, Level $level)
 {
     $particle->setInvisible();
     $level->addParticle($particle);
 }