opensource/manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-08-01 08:54:38 +08:00
Code Issues Packages Projects Releases Wiki Activity

Finished AmbiguityInLongEchos

Browse Source
This commit is contained in:
Grant Sanderson
2018-02-21 15:17:52 -08:00
parent 542958199a
commit e7e85897a3
1 changed files with 29 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
active_projects/uncertainty.py
View File

@ -153,7 +153,7 @@ class Plane(SVGMobject):
}
def __init__(self, **kwargs):
SVGMobject.__init__(self, **kwargs)
self.rotate(-TAU/8)
self.rotate(-TAU/4)
class FalconHeavy(SVGMobject):
CONFIG = {
@ -2339,7 +2339,6 @@ class AmbiguityInLongEchos(IntroduceDopplerRadar, PiCreatureScene):
),
SVGMobject(
file_name = "biplane",
# color = average_color(DARK_GREY, RED),
color = RED_D,
height = 0.5,
),
@ -2350,7 +2349,7 @@ class AmbiguityInLongEchos(IntroduceDopplerRadar, PiCreatureScene):
).rotate(-TAU/24),
FalconHeavy(),
)
y_shifts = [0.25, 0, 0.5, 0.25, -0.25]
y_shifts = [0.25, 0, 0.5, 0.25, -0.5]
for x, y, obj in zip(self.object_x_coords, y_shifts, objects):
obj.move_to(self.axes.coords_to_point(x, 0))
obj.align_to(self.dish)
@ -2600,7 +2599,7 @@ class AmbiguityInLongEchos(IntroduceDopplerRadar, PiCreatureScene):
objects.save_state()
object_velocities = self.object_velocities
movements = [
movements = self.object_movements = [
AmbientMovement(
obj,
direction = v/np.linalg.norm(v),
@ -2680,7 +2679,29 @@ class AmbiguityInLongEchos(IntroduceDopplerRadar, PiCreatureScene):
self.overlapping_frequenies_of_various_objects()
def concentrated_fourier_requires_long_time(self):
pass
objects = self.objects
objects.restore()
object_movements = self.object_movements
self.n_pulse_singletons = 32
pulses = self.get_pulses()
randy = self.pi_creature
continual_anims = object_movements+pulses
self.play(FadeIn(randy))
self.add(*continual_anims)
self.play(randy.change, "angry", *[
UpdateFromAlphaFunc(obj, lambda m, a : m.set_fill(opacity = a))
for obj in objects
])
self.play(Blink(randy))
self.wait(2)
self.play(Blink(randy))
self.wait()
self.play(randy.change, "plain", *[
UpdateFromAlphaFunc(obj, lambda m, a : m.set_fill(opacity = 1-a))
for obj in objects
])
self.wait()
###
@ -2733,17 +2754,14 @@ class AmbiguityInLongEchos(IntroduceDopplerRadar, PiCreatureScene):
def get_sum_graph(self, axes, graphs):
def get_func(graph):
return graph.underlying_function
# t_min = axes.x_axis.point_to_number(graph.points[0])
# t_max = axes.x_axis.point_to_number(graph.points[-1])
# return lambda t : axes.y_axis.point_to_number(
# graph.point_from_proportion((t-t_min)/(t_max - t_min))
# )
funcs = map(get_func, graphs)
return axes.get_graph(
lambda t : sum([func(t) for func in funcs]),
)
class SummarizeFourierTradeoffForDoppler(Scene):
def construct(self):
pass