#include <sys/ioctl.h>
#include <iostream>
#include <unistd.h>
#include <cmath>

void drawText(std::string text, int x, int y);
void drawCircle(float width, float height, int x, int y, std::string character);

int main(int argc, char **argv) {
  std::cout << "\ec" << "\e[0;0f";
  struct winsize w;
  ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);

  drawCircle(15, 15, 20, 20, "+");

  std::cout << "\e[0;0f";
  return 0;
}

void drawText(std::string text, int x, int y) {
  if(x >= 0 && y >= 0)
    std::cout << "\e[" << y << ";" << x << "f" << text;
}

void drawCircle(float width, float height, int x, int y, std::string character) {
  for(int i = 0; i < 100; i++) {
    float angle = i * M_PI / 50;
    int xchar = round(x + width  * cos(angle));
    int ychar = round(y + height * sin(angle));
    drawText(character, xchar, ychar);
  }
}