#include "library.h"

double ultimater_basic_draw_dist(double len)
{ draw_distance(len);
  return len; }

double ultimate_basic_draw_dist(double len)
{ const double d1 = ultimater_basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d2 = ultimater_basic_draw_dist(len/3);
  turn_right_by_degrees(120);
  const double d3 = ultimater_basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d4 = ultimater_basic_draw_dist(len/3);
  return d1 + d2 + d3 + d4; }

double basicest_draw_dist(double len)
{ const double d1 = ultimate_basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d2 = ultimate_basic_draw_dist(len/3);
  turn_right_by_degrees(120);
  const double d3 = ultimate_basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d4 = ultimate_basic_draw_dist(len/3);
  return d1 + d2 + d3 + d4; }

double basicer_draw_dist(double len)
{ const double d1 = basicest_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d2 = basicest_draw_dist(len/3);
  turn_right_by_degrees(120);
  const double d3 = basicest_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d4 = basicest_draw_dist(len/3);
  return d1 + d2 + d3 + d4; }

double basic_draw_dist(double len)
{ const double d1 = basicer_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d2 = basicer_draw_dist(len/3);
  turn_right_by_degrees(120);
  const double d3 = basicer_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d4 = basicer_draw_dist(len/3);
  return d1 + d2 + d3 + d4; }

double draw_dist(double len)
{ const double d1 = basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d2 = basic_draw_dist(len/3);
  turn_right_by_degrees(120);
  const double d3 = basic_draw_dist(len/3);
  turn_left_by_degrees(60);
  const double d4 = basic_draw_dist(len/3);
  return d1 + d2 + d3 + d4; }

double draw_triangle(double side)
{ const double d1 = draw_dist(side);
  turn_right_by_degrees(120);
  const double d2 = draw_dist(side);
  turn_right_by_degrees(120);
  const double d3 = draw_dist(side);
  turn_right_by_degrees(120);
  return d1 + d2 + d3; }

void main()
{ make_window(600, 600);
  move_to(100, 420);
  set_heading_degrees(30);
  const double p = draw_triangle(400);
  print("perimeter = ");
  print(p);
  new_line(); }