src/schedule.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

#ifndef SCHEDULE_H_EF7B9D12
#define SCHEDULE_H_EF7B9D12

class Schedule {
public:

  explicit Schedule(
    double bpm) :
      bpm_(bpm),
      bps_(bpm_ / 60.0),
      tick_(1.0 / bps_)
  {
  }

  double getBPM() const
  {
    return bpm_;
  }

  double getBPS() const
  {
    return bps_;
  }

  void accumulate(double dt)
  {
    accum_ += dt;
  }

  bool step()
  {
    if (accum_ > tick_)
    {
      accum_ -= tick_;
      beats_++;

      return true;
    } else {
      return false;
    }
  }

  size_t getBeat() const
  {
    return beats_;
  }

private:

  double bpm_;
  double bps_;
  double tick_;
  double accum_ = 0.0;
  size_t beats_ = 0;

};

#endif /* end of include guard: SCHEDULE_H_EF7B9D12 */