print fps sfml
void print_fps(){ static sf::Clock clock; // google "static with variables", if you need static sf::Time last_time = clock.getElapsedTime(); sf::Time current_time = clock.getElapsedTime(); float fps = 1.f / (current_time.asSeconds() - last_time.asSeconds()); last_time = current_time; printf("FPS: %f\n", fps); } // put this function somewhere in main cycle