// Informatik - Serie 11 - Aufgabe 107
// Program: MarvinUhlmann.C
// Autor: Marvin Uhlmann (Gruppe C)
// Draw turtle graphics for the Lindenmayer system with
// production F -> F+F+ and initial word F.
//
// nicest picture with n = 8 or 9
#include
#include
void P(int a)
{ifm::left(a);}
void M(int a)
{ifm::right(a);}
void Auf()
{ifm::save();}
void Zu()
{ifm::restore();}
// POST: the word w_i^F is drawn
void F (unsigned int i) {
int a=45;
if (i == 0)
ifm::forward(); // F
else {
P(a);F(i-1);Auf();P(a);F(i-1);Zu();F(i-1);
}
}
int main () {
std::cout << "Number of iterations =? ";
unsigned int n;
std::cin >> n;
// draw w_n = w_n(F)
P(90);
F(n);
return 0;
}
