examples/koch.cpp

   1 #include "include/taruga.hpp"
   2
   3 void recursive_koch(taruga::Turtle& turtle, int length, int depth)
   4 {
   5     if(depth == 0)
   6     {
   7         turtle.forward(length);
   8         return;
   9     }
  10     recursive_koch(turtle, length, depth-1);
  11     turtle.turn_right(60);
  12     recursive_koch(turtle, length, depth-1);
  13     turtle.turn_left(120);
  14     recursive_koch(turtle, length, depth-1);
  15     turtle.turn_right(60);
  16     recursive_koch(turtle, length, depth-1);
  17 }
  18
  19 int main()
  20 {
  21     taruga::Turtle turtle;
  22
  23     turtle.pen_up();
  24     turtle.turn_right(90);
  25     turtle.backwards(850);
  26     turtle.turn_left(90);
  27     turtle.forward(190);
  28     turtle.turn_right(90);
  29
  30     turtle.pen_down();
  31     recursive_koch(turtle, 5, 5);
  32
  33     turtle.act();
  34
  35     return 0;
  36 }