shootParticles

public static void shoot(Player player){
        final Location loc = player.getEyeLocation();
        new BukkitRunnable() {
            Vector dir = loc.getDirection().normalize();
            double t = 0;
            @Override
            public void run() {
                t += 1;
                double x = t*dir.getX();
                double y = t*dir.getY();
                double z = t*dir.getZ();
                loc.add(x, y, z);
                ParticleEffect.LAVA.display(0, 0, 0, 0, 5, loc, 10000000);
                loc.subtract(x, y, z);
                if(t > 100){
                    this.cancel();
                }
            }
        }.runTaskTimer(pl, 0, 1);
    }