#ifndef TIMER_H_45E2F1F9
#define TIMER_H_45E2F1F9

class Timer {
public:

  Timer(int dt) : dt_(dt) {}

  void accumulate(int t) {
    acc_ += t;
  }

  bool step() {
    if (acc_ > dt_) {
      acc_ -= dt_;
      return true;
    } else {
      return false;
    }
  }

private:

  int dt_;
  int acc_ = 0;
};

#endif /* end of include guard: TIMER_H_45E2F1F9 */