Mercurial > touhou

comparison pytouhou/utils/interpolator.py @ 13:58bc264aba38

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Refactor
author Thibaut Girka <thib@sitedethib.com>
date Fri, 05 Aug 2011 13:23:33 +0200
parents
children 6ebf9539c077
comparison
equal deleted inserted replaced
12:776453783743 13:58bc264aba38
1 class Interpolator(object):
2 def __init__(self, values=()):
3 self.values = tuple(values)
4 self.start_values = tuple(values)
5 self.end_values = tuple(values)
6 self.start_frame = 0
7 self.end_frame = 0
8
9
10 def set_interpolation_start(self, frame, values):
11 self.start_values = tuple(values)
12 self.start_frame = frame
13
14
15 def set_interpolation_end(self, frame, values):
16 self.end_values = tuple(values)
17 self.end_frame = frame
18
19
20 def set_interpolation_end_frame(self, end_frame):
21 self.end_frame = end_frame
22
23
24 def set_interpolation_end_values(self, values):
25 self.end_values = tuple(values)
26
27
28 def update(self, frame):
29 if frame >= self.end_frame:
30 self.values = tuple(self.end_values)
31 self.start_values = tuple(self.end_values)
32 self.start_frame = frame
33 else:
34 truc = float(frame - self.start_frame) / float(self.end_frame - self.start_frame)
35 self.values = tuple(start_value + truc * (end_value - start_value)
36 for (start_value, end_value) in zip(self.start_values, self.end_values))