opensource/manim
1
0
Fork 0
mirror of https://github.com/3b1b/manim.git synced 2025-07-29 21:12:35 +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

26
old_projects/music_and_measure.py
View File

@ -1,6 +1,6 @@
#!/usr/bin/env python
from __future__ import absolute_import
import numpy as np
import itertools as it
from copy import deepcopy
@ -166,7 +166,7 @@ class IntervalScene(NumberLineScene):
pause_time = 1.0,
remove_as_you_go = True):
shrink = not remove_as_you_go
for fraction, count in zip(rationals(), range(num_fractions)):
for fraction, count in zip(rationals(), list(range(num_fractions))):
frac_mob, tick = self.add_fraction(fraction, shrink)
self.wait(pause_time)
if remove_as_you_go:
@ -189,7 +189,7 @@ class IntervalScene(NumberLineScene):
def add_fraction_ticks(self, num_fractions = 1000, run_time = 0):
long_tick_size = self.number_line.tick_size*TICK_STRETCH_FACTOR
all_ticks = []
for frac, count in zip(rationals(), range(num_fractions)):
for frac, count in zip(rationals(), list(range(num_fractions))):
point = self.number_line.number_to_point(frac)
tick_rad = 2.0*long_tick_size/frac.denominator
tick = Line(point+tick_rad*DOWN, point+tick_rad*UP)
@ -255,7 +255,7 @@ class IntervalScene(NumberLineScene):
class TwoChallenges(Scene):
def construct(self):
two_challenges = TextMobject("Two Challenges", size = "\\Huge").to_edge(UP)
one, two = map(TextMobject, ["1.", "2."])
one, two = list(map(TextMobject, ["1.", "2."]))
one.shift(UP).to_edge(LEFT)
two.shift(DOWN).to_edge(LEFT)
notes = ImageMobject("musical_notes").scale(0.3)
@ -832,10 +832,10 @@ class AllValuesBetween1And2(NumberLineScene):
NumberLineScene.construct(self)
irrational = 1.2020569031595942
cont_frac = [1, 4, 1, 18, 1, 1, 1, 4, 1, 9, 9, 2, 1, 1, 1, 2]
one, two, irr = map(
one, two, irr = list(map(
self.number_line.number_to_point,
[1, 2, irrational]
)
))
top_arrow = Arrow(one+UP, one)
bot_arrow = Arrow(irr+2*DOWN, irr)
r = TexMobject("r").next_to(top_arrow, UP)
@ -876,7 +876,7 @@ class AllValuesBetween1And2(NumberLineScene):
run_time = 0.5
)
self.wait(0.5)
points = map(self.number_line.number_to_point, [approx, irrational])
points = list(map(self.number_line.number_to_point, [approx, irrational]))
distance = np.linalg.norm(points[1]-points[0])
if distance < 0.3*FRAME_X_RADIUS and num_zooms < max_num_zooms:
num_zooms += 1
@ -1114,13 +1114,13 @@ class StepsToSolution(IntervalScene):
def construct(self):
IntervalScene.construct(self)
self.spacing = 0.7
steps = map(TextMobject, [
steps = list(map(TextMobject, [
"Enumerate all rationals in (0, 1)",
"Assign one interval to each rational",
"Choose sum of the form $\\mathlarger{\\sum}_{n=1}^\\infty a_n = 1$",
"Pick any $\\epsilon$ such that $0 < \\epsilon < 1$",
"Stretch the $n$th interval to have length $\\epsilon/2^n$",
])
]))
for step in steps:
step.shift(DOWN)
for step in steps[2:]:
@ -1145,7 +1145,7 @@ class StepsToSolution(IntervalScene):
anims = []
commas = Mobject()
denom_to_mobs = {}
for frac, count in zip(rationals(), range(1,28)):
for frac, count in zip(rationals(), list(range(1,28))):
mob, tick = self.add_fraction(frac, shrink = True)
self.wait(0.1)
self.remove(tick)
@ -1259,7 +1259,7 @@ class OurSumCanBeArbitrarilySmall(Scene):
equals = TexMobject("=").next_to(epsilon)
self.add(epsilon, equals)
for num in np.arange(1, 0, -step_size):
parts = map(TexMobject, str(num))
parts = list(map(TexMobject, str(num)))
parts[0].next_to(equals)
for i in range(1, len(parts)):
parts[i].next_to(parts[i-1], buff = 0.1, aligned_edge = DOWN)
@ -1285,7 +1285,7 @@ class StillFeelsCounterintuitive(IntervalScene):
def construct(self):
IntervalScene.construct(self)
ticks = self.add_fraction_ticks(run_time = 1.0)
epsilon, equals, num = map(TexMobject, ["\\epsilon", "=", "0.3"])
epsilon, equals, num = list(map(TexMobject, ["\\epsilon", "=", "0.3"]))
epsilon.shift(2*UP)
equals.next_to(epsilon)
num.next_to(equals)
@ -1347,7 +1347,7 @@ class WhatDoesItLookLikeToBeOutside(Scene):
class ZoomInOnSqrt2Over2(IntervalScene):
def construct(self):
IntervalScene.construct(self)
epsilon, equals, num = map(TexMobject, ["\\epsilon", "=", "0.3"])
epsilon, equals, num = list(map(TexMobject, ["\\epsilon", "=", "0.3"]))
equals.next_to(epsilon)
num.next_to(equals)
self.add(Mobject(epsilon, equals, num).center().shift(2*UP))