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Start clock class

/ Published in: Python
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This class implements a clock for counting down the starting sequence of a sailing race start. There are methods for adjusting the clock before and after it has been started. Could be used with text, graphic or audio interfaces.

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  1. class YachtTimer:
  2.     running = 0
  3.     time_ceil = 0
  4.     time_start = None
  5.     start_from = -300
  6.  
  7.     def seconds(self):
  8.         if self.running:
  9.             return(self.start_from + time.clock() - self.time_start)
  10.         else:
  11.             return(self.start_from)
  12.  
  13.     def reset(self, s):
  14.         self.running = 0
  15.         self.start_from = s
  16.  
  17.     def start(self):
  18.         if not self.running:
  19.             self.running = 1
  20.             self.time_start = time.clock()
  21.  
  22.     def adjust(self, sec):
  23.         if self.running:
  24.             self.time_start -= sec
  25.         else:
  26.             self.start_from += sec
  27.  
  28.     def ceil(self):
  29.         if self.running:
  30.             skip = self.seconds()%60
  31.             if time.clock()-self.time_ceil < 1:
  32.                 skip += 60
  33.             self.adjust(-skip)
  34.             self.time_ceil = time.clock()
  35.         else:
  36.             self.start_from -= 60
  37.  
  38.     def floor(self):
  39.         if self.running:
  40.             skip = self.seconds()%60
  41.             self.adjust(60-skip)
  42.         else:
  43.             self.start_from += 60
  44.  
  45.     def round(self):
  46.         skip = self.seconds()%60
  47.         if skip > 30:
  48.             self.adjust(60-skip)
  49.         else:
  50.             self.adjust(-skip)

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