public class PortalEffect {
    public static void playEffectPacket(Player player) {
        int x = (int) player.getLocation().getX();
        int y = (int) player.getLocation().getY();
        int z = (int) player.getLocation().getZ();

        PacketPlayOutWorldParticles packet = new PacketPlayOutWorldParticles(
                EnumParticle.PORTAL,    // particle type.
                true,                                                   // true
                x,             // x coordinate
                y,             // y coordinate
                z,             // z coordinate
                5,                                                              // x offset
                5,                                                              // y offset
                5,                                                              // z offset
                10,                                                             // speed
                10_000,                                                 // number of particles
                null
        );
        BukkitRunnable runnable = new BukkitRunnable() {
            @Override
            public void run() {
                ((CraftPlayer) player).getHandle().playerConnection.sendPacket(packet);
            }
        };
        runnable.runTaskTimerAsynchronously(Main.getInstance(), 1L, 20L);
        new EventUtil(Main.getInstance()) {
            @EventHandler
            public void onQuit(PlayerQuitEvent e) {
                runnable.cancel();
            }
        };
    }
}