#include "library.h"

/*
   I want to draw an equilateral triangle.
   This design is not very well thought out. It can only draw
   a triangle of a particular size, at a particular position,
   and with a particular orientation. Because of the trig
   calculation it would take some effort to change any of
   those things.
*/

void main()
{ const double pi = acos(-1.0);  // the best way to get an accurate pi
  make_window(500, 500);
  set_pen_color(color::blue);
  set_pen_width(5);
  move_to(50, 450);
  set_heading_degrees(90);
  draw_to(150, 450);
  draw_to(100.0, 450 - 100 * sin(60.0 * pi / 180));
  draw_to(50, 450); }