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comparison flax/Timeline.py @ 206:851cf44cea40

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rename clientid and allow it as an argument
author drewp
date Sun, 10 Apr 2005 15:13:48 +0000
parents 83e2c4ceb79a
children
comparison
equal deleted inserted replaced
205:3905d3c92aaa 206:851cf44cea40
1 from TLUtility import make_attributes_from_args, dict_scale, dict_max, \ 1 from TLUtility import make_attributes_from_args, dict_scale, dict_max, \
2 DummyClass, last_less_than, first_greater_than 2 DummyClass, last_less_than, first_greater_than
3 from time import time 3 from time import time
4 import random
4 from __future__ import division # "I'm sending you back to future!" 5 from __future__ import division # "I'm sending you back to future!"
5 6
6 """ 7 """
7 Quote of the Build (from Ghostbusters II) 8 Quote of the Build (from Ghostbusters II)
8 Dana: Okay, but after dinner, I don't want you putting any of your old cheap 9 Dana: Okay, but after dinner, I don't want you putting any of your old cheap
145 period_time = time_since_startframe % self.cycletime 146 period_time = time_since_startframe % self.cycletime
146 if period_time <= self.ontime: 147 if period_time <= self.ontime:
147 return {endframe.frame : self.onlevel} 148 return {endframe.frame : self.onlevel}
148 else: 149 else:
149 return {endframe.frame : self.offlevel} 150 return {endframe.frame : self.offlevel}
151
152 class Sine(Blender):
153 "Strobes the frame on the right side between offlevel and onlevel."
154 def __init__(self, period, onlevel=1, offlevel=0):
155 "times are in seconds (floats)"
156 make_attributes_from_args('period', 'onlevel', 'offlevel')
157 def __call__(self, startframe, endframe, blendtime, time_since_startframe):
158 sin = math.sin(time_since_startframe / self.period * 2 * math.pi)
159 zerotoone = (sin / 2) + 0.5
160 level = offlevel + (zerotoone * (onlevel - offlevel))
161 return {endframe.frame : level}
162
163 class RandomStrobe(Blender):
164 def __init__(self, minwaitlen=0.1, maxwaitlen=0.6, burstlen=0.14, \
165 burstintensity=1, offintensity=0.05, tracklen=500):
166 "times are in seconds (floats)"
167 make_attributes_from_args('burstlen', 'burstintensity', 'offintensity')
168 self.burstintervals = []
169 timecursor = 0
170
171 while timecursor < tracklen:
172 waitlen = minwaitlen + (random.random() * (maxwaitlen - minwaitlen))
173 timecursor += waitlen
174 self.burstintervals.append((timecursor, timecursor + burstlen))
175 def __call__(self, startframe, endframe, blendtime, time_since_startframe):
176 found_burst = 0
177 for intstart, intend in self.burstintervals:
178 if intstart <= time_since_startframe <= intend:
179 found_burst = 1
180 break
181
182 if found_burst:
183 return {endframe.frame : self.burstintensity}
184 else:
185 return {endframe.frame : self.offintensity}
150 186
151 class TimelineTrack: 187 class TimelineTrack:
152 """TimelineTrack is a single track in a Timeline. It consists of a 188 """TimelineTrack is a single track in a Timeline. It consists of a
153 list of TimedEvents and a name. Length is automatically the location 189 list of TimedEvents and a name. Length is automatically the location
154 of the last TimedEvent. To extend the Timeline past that, add an 190 of the last TimedEvent. To extend the Timeline past that, add an