opensource/manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-07-29 13:03:31 +08:00
Code Issues Packages Projects Releases Wiki Activity

After running 2to3

Browse Source
This commit is contained in:
Grant Sanderson
2018-08-09 17:56:05 -07:00
parent 06a65190e7
commit 858051a806
172 changed files with 2117 additions and 2221 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
old_projects/eola/chapter7.py
View File

@ -57,13 +57,13 @@ class TraditionalOrdering(RandolphScene):
title.set_color(YELLOW)
title.scale(1.2)
title.to_corner(UP+LEFT)
topics = VMobject(*map(TextMobject, [
topics = VMobject(*list(map(TextMobject, [
"Topic 1: Vectors",
"Topic 2: Dot products",
"\\vdots",
"(everything else)",
"\\vdots",
]))
])))
topics.arrange_submobjects(DOWN, aligned_edge = LEFT, buff = SMALL_BUFF)
# topics.next_to(title, DOWN+RIGHT)
@ -162,7 +162,7 @@ class ShowNumericalDotProduct(Scene):
dot_product = VGroup(v1, inter_array_dot, v2)
dot_product.arrange_submobjects(RIGHT, buff = MED_SMALL_BUFF/2)
dot_product.to_edge(LEFT)
pairs = zip(v1.get_entries(), v2.get_entries())
pairs = list(zip(v1.get_entries(), v2.get_entries()))
for pair, color in zip(pairs, [X_COLOR, Y_COLOR, Z_COLOR, PINK]):
VGroup(*pair).set_color(color)
@ -180,10 +180,10 @@ class ShowNumericalDotProduct(Scene):
products.target = products.copy()
plusses = ["+"]*(len(self.v1)-1)
symbols = VGroup(*map(TexMobject, ["="] + plusses))
final_sum = VGroup(*it.chain(*zip(
symbols = VGroup(*list(map(TexMobject, ["="] + plusses)))
final_sum = VGroup(*it.chain(*list(zip(
symbols, products.target
)))
))))
final_sum.arrange_submobjects(RIGHT, buff = SMALL_BUFF)
final_sum.next_to(dot_product, RIGHT)
@ -432,11 +432,11 @@ class ShowQualitativeDotProductValues(VectorScene):
less_than = TexMobject("<").set_color(RED).move_to(comp)
v_sym.set_color(V_COLOR)
w_sym.set_color(W_COLOR)
words = map(TextMobject, [
words = list(map(TextMobject, [
"Similar directions",
"Perpendicular",
"Opposing directions"
])
]))
for word, sym in zip(words, [comp, equals, less_than]):
word.add_background_rectangle()
word.next_to(sym, DOWN, aligned_edge = LEFT, buff = MED_SMALL_BUFF)
@ -555,7 +555,7 @@ class SymmetricVAndW(VectorScene):
)
self.wait(0.5)
self.remove(line_of_symmetry_words)
self.play(*map(Uncreate, line_of_symmetry_words))
self.play(*list(map(Uncreate, line_of_symmetry_words)))
for vect in w, v:
self.play(ShowCreation(vect.proj_line))
vect_copy = vect.copy()
@ -563,9 +563,9 @@ class SymmetricVAndW(VectorScene):
self.remove(vect_copy)
self.add(vect.proj)
self.wait()
self.play(*map(FadeOut,[
self.play(*list(map(FadeOut,[
v.proj, v.proj_line, w.proj, w.proj_line
]))
])))
self.show_doubling(v, w)
def show_doubling(self, v, w):
@ -639,9 +639,9 @@ class SymmetricVAndW(VectorScene):
run_time = 2
)
self.wait()
self.play(*map(FadeOut, [
self.play(*list(map(FadeOut, [
projector.proj, projector.proj_line
]))
])))
class LurkingQuestion(TeacherStudentsScene):
def construct(self):
@ -702,7 +702,7 @@ class Introduce2Dto1DLinearTransformations(TwoDToOneDScene):
ShowCreation(number_line),
*[Animation(v) for v in (self.i_hat, self.j_hat)]
)
self.play(*map(Write, [numbers, number_line_words]))
self.play(*list(map(Write, [numbers, number_line_words])))
self.wait()
class Symbolic2To1DTransform(Scene):
@ -856,7 +856,7 @@ class FormalVsVisual(Scene):
mob.next_to(text, DOWN, buff = MED_SMALL_BUFF)
self.add(title)
self.play(*map(ShowCreation, [line, v_line]))
self.play(*list(map(ShowCreation, [line, v_line])))
for mob in formal, visual, additivity, scaling, visual_statement:
self.play(Write(mob, run_time = 2))
self.wait()
@ -1108,7 +1108,7 @@ class FollowVectorViaCoordinates(TwoDToOneDScene):
basis_labels, array, [DOWN, RIGHT]
)
self.play(*map(Write, basis_labels))
self.play(*list(map(Write, basis_labels)))
self.play(
ShowCreation(v),
Write(array),
@ -1129,7 +1129,7 @@ class FollowVectorViaCoordinates(TwoDToOneDScene):
])
self.wait()
self.play(
*map(FadeOut, to_fade) + [
*list(map(FadeOut, to_fade)) + [
vect.restore
for vect in (self.i_hat, self.j_hat)
]
@ -1161,7 +1161,7 @@ class FollowVectorViaCoordinates(TwoDToOneDScene):
for label, vect, direction in zip(new_labels, list(bases) + [v], [UP, DOWN, UP]):
label.next_to(vect, direction)
self.play(*map(Write, new_labels))
self.play(*list(map(Write, new_labels)))
self.wait()
scaling_anim_tuples = self.get_scaling_anim_tuples(
new_labels, array, [UP, DOWN]
@ -1183,10 +1183,10 @@ class FollowVectorViaCoordinates(TwoDToOneDScene):
def get_scaling_anim_tuples(self, labels, array, directions):
scaling_anim_tuples = []
bases = self.i_hat, self.j_hat
quints = zip(
quints = list(zip(
bases, self.v_coords, labels,
array.get_entries(), directions
)
))
for basis, scalar, label, entry, direction in quints:
basis.save_state()
basis.scaled = basis.copy().scale(scalar)
@ -1242,7 +1242,7 @@ class TwoDOneDMatrixMultiplication(Scene):
self.show_product(matrix, vector)
def show_product(self, matrix, vector):
starter_pairs = zip(vector.get_entries(), matrix.get_entries())
starter_pairs = list(zip(vector.get_entries(), matrix.get_entries()))
pairs = [
VMobject(
e1.copy(), TexMobject("\\cdot"), e2.copy()
@ -1251,8 +1251,8 @@ class TwoDOneDMatrixMultiplication(Scene):
)
for e1, e2 in starter_pairs
]
symbols = map(TexMobject, ["=", "+"])
equation = VMobject(*it.chain(*zip(symbols, pairs)))
symbols = list(map(TexMobject, ["=", "+"]))
equation = VMobject(*it.chain(*list(zip(symbols, pairs))))
equation.arrange_submobjects(align_using_submobjects = True)
equation.next_to(vector, RIGHT)
@ -1288,8 +1288,8 @@ class AssociationBetweenMatricesAndVectors(Scene):
matrices_words, arrow, vectors_words
).arrange_submobjects(buff = MED_SMALL_BUFF)
matrices = VGroup(*map(Matrix, self.matrices))
vectors = VGroup(*map(Matrix, [m[0] for m in self.matrices]))
matrices = VGroup(*list(map(Matrix, self.matrices)))
vectors = VGroup(*list(map(Matrix, [m[0] for m in self.matrices])))
for m in list(matrices) + list(vectors):
x, y = m.get_entries()
x.set_color(X_COLOR)
@ -1300,7 +1300,7 @@ class AssociationBetweenMatricesAndVectors(Scene):
for m, direction in zip(group, [UP, DOWN]):
m.next_to(group.words, direction, buff = MED_SMALL_BUFF)
self.play(*map(Write, [matrices_words, vectors_words]))
self.play(*list(map(Write, [matrices_words, vectors_words])))
self.play(ShowCreation(arrow))
self.wait()
self.play(FadeIn(vectors))
@ -1360,7 +1360,7 @@ class SomeKindOfConnection(Scene):
number_line.to_edge(RIGHT)
squish_plane.move_to(number_line)
numbers = number_line.get_numbers(*range(-6, 8, 2))
numbers = number_line.get_numbers(*list(range(-6, 8, 2)))
v_line = Line(UP, DOWN).scale(FRAME_Y_RADIUS)
v_line.set_color(GREY)
v_line.set_stroke(width = 10)
@ -1376,9 +1376,9 @@ class SomeKindOfConnection(Scene):
array.add_to_back(BackgroundRectangle(array))
self.play(*map(ShowCreation, [
self.play(*list(map(ShowCreation, [
plane, number_line, v_line
])+[
]))+[
Write(numbers, run_time = 2)
])
self.play(Write(matrix, run_time = 1))
@ -1667,19 +1667,19 @@ class ProjectBasisVectors(ProjectOntoUnitVectorNumberline):
i_label = TexMobject(i_tex[1:-1])
j_label = TexMobject(j_tex[1:-1])
u_label = TexMobject("\\hat{\\textbf{u}}")
trips = zip(
trips = list(zip(
(i_label, j_label, u_label),
(i_hat, j_hat, self.u_hat),
(DOWN+RIGHT, UP+LEFT, UP),
)
))
for label, vect, direction in trips:
label.set_color(vect.get_color())
label.scale(1.2)
label.next_to(vect.get_end(), direction, buff = MED_SMALL_BUFF/2)
self.play(Write(u_label, run_time = 1))
self.play(*map(ShowCreation, basis_vectors))
self.play(*map(Write, [i_label, j_label]), run_time = 1)
self.play(*list(map(ShowCreation, basis_vectors)))
self.play(*list(map(Write, [i_label, j_label])), run_time = 1)
self.play(ShowCreation(proj_lines))
self.play(
Write(question),
@ -1688,12 +1688,12 @@ class ProjectBasisVectors(ProjectOntoUnitVectorNumberline):
run_time = 2,
)
to_remove = [proj_lines]
quads = zip(basis_vectors, proj_basis, proj_lines, proj_dots)
quads = list(zip(basis_vectors, proj_basis, proj_lines, proj_dots))
for vect, proj_vect, proj_line, proj_dot in quads:
self.play(Transform(vect.copy(), proj_vect))
to_remove += self.get_mobjects_from_last_animation()
self.wait()
self.play(*map(FadeOut, to_remove))
self.play(*list(map(FadeOut, to_remove)))
# self.show_u_coords(u_label)
u_x, u_y = [
@ -1771,7 +1771,7 @@ class ProjectBasisVectors(ProjectOntoUnitVectorNumberline):
for mob in self.get_mobjects()
if mob not in starting_mobjects + [final_coord]
]
self.play(*map(FadeOut, added_mobjects))
self.play(*list(map(FadeOut, added_mobjects)))
class ShowSingleProjection(ProjectBasisVectors):
CONFIG = {
@ -1813,10 +1813,7 @@ class GeneralTwoDOneDMatrixMultiplication(TwoDOneDMatrixMultiplication):
def construct(self):
TwoDOneDMatrixMultiplication.construct(self)
everything = VGroup(*self.get_mobjects())
to_fade = filter(
lambda m : isinstance(m, Brace) or isinstance(m, TextMobject),
everything
)
to_fade = [m for m in everything if isinstance(m, Brace) or isinstance(m, TextMobject)]
u = Matrix(self.matrix[0])
v = Matrix(self.vector)
@ -1838,7 +1835,7 @@ class GeneralTwoDOneDMatrixMultiplication(TwoDOneDMatrixMultiplication):
self.play(
everything.to_corner, UP+RIGHT,
*map(FadeOut, to_fade)
*list(map(FadeOut, to_fade))
)
self.remove(everything)
self.add(*everything)
@ -1955,7 +1952,7 @@ class ScaleUpUHat(ProjectOntoUnitVectorNumberline) :
v.label.add_background_rectangle()
v.label.next_to(v.get_end(), direction)
self.play(*map(ShowCreation, bases))
self.play(*list(map(ShowCreation, bases)))
for b in bases:
mover = b.copy()
self.play(ShowCreation(b.proj_line))
@ -1967,11 +1964,11 @@ class ScaleUpUHat(ProjectOntoUnitVectorNumberline) :
Transform(b.proj.label, b.scaled_proj.label)
)
self.wait()
self.play(*map(FadeOut, [
self.play(*list(map(FadeOut, [
mob
for mob in self.get_mobjects()
if mob not in start_state
]))
])))
def transform_some_vector(self):
words = TextMobject(
@ -2048,7 +2045,7 @@ class TwoDOneDTransformationSeparateSpace(Scene):
number_line.to_edge(RIGHT)
squish_plane.move_to(number_line)
numbers = number_line.get_numbers(*range(-6, 8, 2))
numbers = number_line.get_numbers(*list(range(-6, 8, 2)))
v_line = Line(UP, DOWN).scale(FRAME_Y_RADIUS)
v_line.set_color(GREY)
v_line.set_stroke(width = 10)
@ -2077,9 +2074,9 @@ class TwoDOneDTransformationSeparateSpace(Scene):
start_words.next_to(ORIGIN, RIGHT, buff = MED_SMALL_BUFF).to_edge(UP)
end_words.next_to(ORIGIN, DOWN+LEFT, buff = MED_SMALL_BUFF/2)
self.play(*map(ShowCreation, [
self.play(*list(map(ShowCreation, [
plane, number_line, v_line
])+[
]))+[
Write(numbers, run_time = 2)
])
self.play(Write(start_words, run_time = 2))
@ -2236,7 +2233,7 @@ class WhatTheVectorWantsToBe(Scene):
number_line.to_edge(RIGHT)
squish_plane.move_to(number_line)
numbers = number_line.get_numbers(*range(-6, 8, 2))
numbers = number_line.get_numbers(*list(range(-6, 8, 2)))
v_line = Line(UP, DOWN).scale(FRAME_Y_RADIUS)
v_line.set_color(GREY)
v_line.set_stroke(width = 10)
@ -2269,13 +2266,13 @@ class WhatTheVectorWantsToBe(Scene):
)
self.play(
Transform(plane.copy(), squish_plane, run_time = 3),
*map(Animation, [
*list(map(Animation, [
words,
matrix,
plane,
vect,
v_coords
])
]))
)
self.wait()