examples/regular_polygon.cpp

   1 #include "include/taruga.hpp"
   2
   3 //! Development file of Taruga. Will be deleted once this is no longer a WIP.
   4
   5 static inline void draw_regular_polygon(taruga::Turtle& turtle, const int num_sides, const int length, bool direction = false)
   6 {
   7     const float angle = 360.0 / num_sides;
   8     if (direction) //! Direction ==  false := build the polygon upside down
   9     {
  10         for(int i = 0; i < num_sides; i++)
  11         {
  12             turtle.forward(length);
  13             turtle.turn_right(angle);
  14         }
  15     } else {
  16         for(int i = 0; i < num_sides; i++)
  17         {
  18             turtle.forward(length);
  19             turtle.turn_left(angle);
  20         }
  21     }
  22 }
  23
  24 int main()
  25 {
  26     taruga::Turtle turtle;
  27
  28     draw_regular_polygon(turtle, 6, 50, true);
  29     turtle.turn_left(90);
  30     turtle.pen_up();
  31     turtle.forward(80);
  32     turtle.turn_right(90);
  33     turtle.pen_down();
  34     draw_regular_polygon(turtle, 8, 10);
  35     turtle.pen_up();
  36     turtle.forward(200);
  37     turtle.pen_down();
  38     draw_regular_polygon(turtle, 3, 50, false);
  39
  40     turtle.act();
  41
  42     return 0;
  43 }
  44