source/libr2c2/clock.cpp

   1 #include "clock.h"
   2
   3 using namespace Msp;
   4
   5 namespace R2C2 {
   6
   7 Clock::Clock():
   8         rate(1)
   9 { }
  10
  11 void Clock::set_rate(float s)
  12 {
  13         rate = s;
  14 }
  15
  16 void Clock::tick(const Time::TimeDelta &dt)
  17 {
  18         unsigned prev_minute = current_time/Time::min;
  19         current_time += dt*rate;
  20         if(current_time>=Time::day)
  21                 current_time -= Time::day;
  22         unsigned minute = current_time/Time::min;
  23         if(minute!=prev_minute)
  24                 signal_minute.emit();
  25 }
  26
  27 } // namespace R2C2