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comparison flax/TheShow.py @ 0:45b12307c695

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Initial revision
author drewp
date Wed, 03 Jul 2002 09:37:57 +0000
parents
children 5670f66845ce
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-1:000000000000 0:45b12307c695
1 from Timeline import *
2 from Submaster import Submasters, sub_maxes
3
4 class Show:
5 def __init__(self, timelines, submasters):
6 self.timelines = dict([(timeline.name, timeline)
7 for timeline in timelines])
8 self.submasters = submasters
9 self.current_timeline = None
10 self.current_time = 0
11 try:
12 self.current_timeline = timelines[0]
13 except ValueError:
14 pass
15 def calc_active_submaster(self):
16 "get levels from the current timeline at the current time"
17 if not (self.current_timeline or self.current_time):
18 return {}
19 tl = self.current_timeline
20 tl.set_time(self.current_time)
21 levels = tl.get_levels()
22 scaledsubs = [self.submasters.get_sub_by_name(sub) * level \
23 for sub, level in levels.items()]
24 maxes = sub_maxes(*scaledsubs)
25
26 return maxes
27 def set_timeline(self, name):
28 "select a timeline"
29 self.current_timeline = self.timelines.get(name)
30 self.set_time(0)
31 if not self.current_timeline:
32 print "Show: '%s' is not the same of a timeline."
33 def set_time(self, time):
34 "set time of current timeline"
35 self.current_time = time
36 self.current_timeline.set_time(time)
37 def get_timelines(self):
38 "Get names of all timelines"
39 return self.timelines.keys()
40
41 # this is the default blender
42 linear = LinearBlender()
43 def T(time, level, **kw):
44 """This used to be a synonym for TimedEvent:
45
46 T = TimedEvent
47
48 It now acts in a similar way, except that it will fill in a default
49 blender if you don't. The default blender is a LinearBlender. It also
50 sets frame to MISSING so the track can fill it in."""
51 if 'blender' not in kw:
52 global linear
53 kw['blender'] = linear
54
55 return TimedEvent(time, level=level, frame=MISSING, **kw)
56
57 quad = ExponentialBlender(2)
58 invquad = ExponentialBlender(0.5)
59 smoove = SmoothBlender()
60
61 track1 = TimelineTrack('red track',
62 T(0, 0),
63 T(4, 0.5, blender=quad),
64 T(12, 0.7, blender=smoove),
65 T(15, level=0.0), default_frame='red')
66 track2 = TimelineTrack('green track',
67 T(0, 0.2, blender=invquad),
68 T(5, 1.0, blender=smoove),
69 T(10, 0.8),
70 T(15, 0.6),
71 T(20, 0.0), default_frame='green')
72 track3 = TimelineTrack('tableau demo',
73 T(0, 0.0),
74 T(2, 1.0, blender=InstantEnd()),
75 T(18, 1.0),
76 T(20, 0.0), default_frame='blue')
77 track4 = TimelineTrack('MJ fader',
78 T(0, 0.0),
79 T(5, 1.0),
80 T(10, 0.0), default_frame='red')
81 bump21 = TimelineTrack('bump at 21',
82 T(0, 0),
83 T(20.4, 0.05),
84 T(20.7, 1),
85 T(25, 0.4),
86 T(31, 0),
87 T(31.1, 1),
88
89 default_frame='sill')
90
91 # tl = Timeline('test', [track1, track2, track3, track4])
92 tl = Timeline('test', [track4, bump21])
93
94 strobe1 = TimelineTrack('strobify',
95 T(0, 0, blender=Strobe(ontime=0.25, offtime=0.25)),
96 T(200, 1), default_frame='sill')
97
98 strobe_tl = Timeline('strobe test', [strobe1])
99
100 show = Show([tl, strobe_tl], Submasters())
101
102 if __name__ == "__main__":
103 show.set_timeline('test')
104 show.set_time(4)
105 print show.get_levels().get_levels()
106 print
107 print show.get_levels()