light9 Changeset - e5d14320fbd5

Changeset - e5d14320fbd5

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dmcc - 22 years ago 2002-07-09 08:48:44

SimpleCues created (took 7 minutes or so)

1 file changed with 30 insertions and 1 deletions:

light8/Cue.py

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light8/Cue.py

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 """And that's my cue to exit(0)..."""
 from time import time
 from util import subsetdict
+from util import subsetdict, scaledict
 class Cue:
     """Cues are groups of fades.  They can tell you the current levels at a
     given time.  They contain Fades, which are actually children of Cue,
     meaning that Cues can contain Cues.  This is similar to the Light9 concept
     of Cues and Fades, but without all the Nodes."""
@@ @@ -82,12 +82,41 @@ class Fade(Cue): @@
                         self.dur
             return {self.channel : self.init_level +
                 percent * (self.endlevel - self.init_level)}
     def get_end_levels(self):
         return {self.channel : self.endlevel}
 class SimpleCue(Cue):
     'See Cue.__doc__'
     def __init__(self, name, target, dur, **info):
         Cue.__init__(self, name, 0, dur)
         self.target = target
         self.dur = dur
         self.info = info
     def start(self, levels, time):
         'Mark the beginning of the fade'
         self.init_levels = levels
         self.init_time = time
     def channels_involved(self):
         'Speaks for itself, I hope'
         return self.target.keys()
     def get_levels(self, curtime):
         elapsed = curtime - self.init_time
         if elapsed >= self.endtime:
             return self.target
         else:
             percent = float((curtime - self.init_time) - self.starttime) / \
                         self.dur
             return dict([(n, self.init_levels[n] +
                 percent * (lev - self.init_levels[n]))
                     for n, lev in self.target])
             # return {self.channel : self.init_level +
                 # percent * (self.endlevel - self.init_level)}
     def get_end_levels(self):
         return self.target
 if __name__ == '__main__':
     f1 = Fade('red', 0, 2, 100)
     f2 = Fade('green', 1, 3, 50)
     f3 = Fade('blue', 0, 4, 0)
     f4 = Fade('clear', 0, 8, 75)
     c = Cue("Color shift", 0, 10, f1, f2, f3, f4)

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