ParametricEquation.java

private class ParametricEquation implements Consumer<Task> {
        private final Player player;
        private final ParticleEffect effect;
        private final Set<Vector3d> set_v = new HashSet<>();
        private int counter;

        private ParametricEquation(Player player, ParticleEffect effect, Function<Double, Vector3d> function, Matrix4d matrix, double interval) {
            this.player = player;
            this.effect = effect;
            counter = 200;

            double increment = 16;

            Set<Vector4d> set = new HashSet<>();

            Vector3d previous = function.apply(0d);

            for(double i = 0d; i <= TrigMath.TWO_PI*interval; i += TrigMath.TWO_PI/increment) {
                Vector3d current = function.apply(i);

                set.addAll(line(previous, current, 16));

                previous = current;
            }

            set_v.addAll(set.stream().map(matrix::transform).map(Vector4d::toVector3).collect(Collectors.toList()));
        }

        @Override
        public void accept(Task task) {
            if(counter > 0) {
                for(Vector3d v : set_v) player.spawnParticles(effect, v);
                counter--;
            } else {
                task.cancel();
            }
        }
    }