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kochCurve.cpp
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kochCurve.cpp
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#include <string>
#include <iostream>
#include <fstream>
#include <cmath>
std::string subLine(int n);
std::string drawCurve(int n){
//draw starting point of the curve
return subLine(n);
}
std::string subLine(int n){
// base case //if on last iteration go forward to complete the fractal
if (n == 0) {
return "F";
}
// this is where we call the recursive method
else {
std::string subLineF = subLine(n-1);
return subLineF + "+" + subLineF + "-" + subLineF + "-" + subLineF + "+" + subLineF;
}
}
void save(std::string filename, std::string Lsystem){
//write commands to file
std::ofstream file;
file.open(filename);
file << Lsystem;
file.close();
}
int main(int argc, char **argv){
//amount of times it goes
int n = std::stoi(argv[1]);
std::string Lsystem = drawCurve(n);
save("l-system.txt", Lsystem);
}