#include "library.h"

void brownian_motion()
{ while (true)
  { const int direction = random_in_range(0, 359);
    set_heading_degrees(direction);
    draw_distance(1); } }

void main()
{ make_window(600, 600);
  move_to(300, 300);
  set_pen_width(3);
  brownian_motion(); }