Posted By

alx on 04/29/09

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Last Edited at 04/29/09 07:41am

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Start clock class

/ Published in: Python

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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class YachtTimer:
    running = 0
    time_ceil = 0
    time_start = None
    start_from = -300

def seconds(self):
        if self.running:
            return(self.start_from + time.clock() - self.time_start)
        else:
            return(self.start_from)

def reset(self, s):
        self.running = 0
        self.start_from = s

def start(self):
        if not self.running:
            self.running = 1
            self.time_start = time.clock()

def adjust(self, sec):
        if self.running:
            self.time_start -= sec
        else:
            self.start_from += sec

def ceil(self):
        if self.running:
            skip = self.seconds()%60
            if time.clock()-self.time_ceil < 1:
                skip += 60
            self.adjust(-skip)
            self.time_ceil = time.clock()
        else:
            self.start_from -= 60

def floor(self):
        if self.running:
            skip = self.seconds()%60
            self.adjust(60-skip)
        else:
            self.start_from += 60

def round(self):
        skip = self.seconds()%60
        if skip > 30:
            self.adjust(60-skip)
        else:
            self.adjust(-skip)

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