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More music_and_measure, animate->play, making NumberLine better

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Grant Sanderson
2015-09-25 19:43:53 -07:00
parent 9045af276e
commit 8f2a8f032e
19 changed files with 908 additions and 380 deletions
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28
animation/transform.py
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@ -39,25 +39,27 @@ class Transform(Animation):
self.interpolation_function = interpolation_function
count1, count2 = mobject1.get_num_points(), mobject2.get_num_points()
if count2 == 0:
mobject2.add_points([(SPACE_WIDTH, SPACE_HEIGHT, 0)])
mobject2.add_points([SPACE_WIDTH*RIGHT+SPACE_HEIGHT*UP])
count2 = mobject2.get_num_points()
Mobject.align_data(mobject1, mobject2)
Animation.__init__(self, mobject1, run_time = run_time, *args, **kwargs)
self.ending_mobject = mobject2
if black_out_extra_points and count2 < count1:
self.black_out_extra_points(count1, count2)
Animation.__init__(self, mobject1, run_time = run_time, *args, **kwargs)
self.name += "To" + str(mobject2)
self.mobject.SHOULD_BUFF_POINTS = \
mobject1.SHOULD_BUFF_POINTS and mobject2.SHOULD_BUFF_POINTS
self.reference_mobjects.append(mobject2)
self.name += "To" + str(mobject2)
if black_out_extra_points and count2 < count1:
#Ensure redundant pixels fade to black
indices = np.arange(
0, count1-1, float(count1) / count2
).astype('int')
temp = np.zeros(mobject2.points.shape)
temp[indices] = mobject2.rgbs[indices]
mobject2.rgbs = temp
self.non_redundant_m2_indices = indices
def black_out_extra_points(self, count1, count2):
#Ensure redundant pixels fade to black
indices = np.arange(
0, count1-1, float(count1) / count2
).astype('int')
temp = np.zeros(self.ending_mobject.points.shape)
temp[indices] = self.ending_mobject.rgbs[indices]
self.ending_mobject.rgbs = temp
self.non_redundant_m2_indices = indices
def update_mobject(self, alpha):
self.mobject.points = self.interpolation_function(