mirror of
https://github.com/3b1b/manim.git
synced 2025-07-28 12:32:36 +08:00
Refactored tex_utils, and made TexMobject proper objects
This commit is contained in:
Grant Sanderson
@ -81,7 +81,7 @@ COUNT_TO_TIP_POS = {
|
||||
}
|
||||
|
||||
def finger_tip_power_of_2(finger_no):
|
||||
return tex_mobject(str(2**finger_no)).shift(COUNT_TO_TIP_POS[finger_no])
|
||||
return TexMobject(str(2**finger_no)).shift(COUNT_TO_TIP_POS[finger_no])
|
||||
|
||||
class Hand(ImageMobject):
|
||||
STARTING_BOTTOM_RIGHT = [4.61111111e+00, -3.98888889e+00, 9.80454690e-16]
|
||||
@ -114,7 +114,7 @@ class Hand(ImageMobject):
|
||||
# )
|
||||
|
||||
def get_algorithm():
|
||||
return text_mobject(ALGORITHM_TEXT)
|
||||
return TextMobject(ALGORITHM_TEXT)
|
||||
|
||||
def get_finger_colors():
|
||||
return list(Color("yellow").range_to("red", 5))
|
||||
@ -186,7 +186,7 @@ class ShowCounting(OverHand):
|
||||
]
|
||||
|
||||
def get_counting_mob(self, count):
|
||||
mob = tex_mobject(str(count))
|
||||
mob = TexMobject(str(count))
|
||||
mob.scale(2)
|
||||
mob.shift(LEFT)
|
||||
mob.to_edge(UP, buff = 0.1)
|
||||
@ -199,7 +199,7 @@ class ShowFrameNum(OverHand):
|
||||
for frame, count in zip(self.frames, it.count()):
|
||||
print count, "of", len(self.frames)
|
||||
mob = CompoundMobject(*[
|
||||
tex_mobject(char).shift(0.3*x*RIGHT)
|
||||
TexMobject(char).shift(0.3*x*RIGHT)
|
||||
for char, x, in zip(str(count), it.count())
|
||||
])
|
||||
self.frames[count] = disp.paint_mobject(
|
||||
@ -213,7 +213,7 @@ class CountTo1023(Scene):
|
||||
lh_map = get_hand_map("left")
|
||||
def get_num(count):
|
||||
return CompoundMobject(*[
|
||||
tex_mobject(char).shift(0.35*x*RIGHT)
|
||||
TexMobject(char).shift(0.35*x*RIGHT)
|
||||
for char, x, in zip(str(count), it.count())
|
||||
]).center().to_edge(UP)
|
||||
self.frames = [
|
||||
@ -225,7 +225,7 @@ class CountTo1023(Scene):
|
||||
|
||||
class Introduction(Scene):
|
||||
def construct(self):
|
||||
words = text_mobject("""
|
||||
words = TextMobject("""
|
||||
First, let's see how to count
|
||||
to 31 on just one hand...
|
||||
""")
|
||||
@ -242,10 +242,10 @@ class Introduction(Scene):
|
||||
class ShowReadingRule(Scene):
|
||||
def construct(self):
|
||||
sample_counts = [6, 17, 27, 31]
|
||||
question = text_mobject("""
|
||||
question = TextMobject("""
|
||||
How do you recognize what number a given configuration represents?
|
||||
""", size = "\\Huge").scale(0.75).to_corner(UP+LEFT)
|
||||
answer = text_mobject([
|
||||
answer = TextMobject([
|
||||
"Think of each finger as representing a power of 2, ",
|
||||
"then add up the numbers represented by the standing fingers."
|
||||
], size = "\\Huge").scale(0.75).to_corner(UP+LEFT).split()
|
||||
@ -278,7 +278,7 @@ class ShowReadingRule(Scene):
|
||||
count_mobs[1].shift(0.2*DOWN + 0.2*LEFT)
|
||||
if num in [6, 17]:
|
||||
hand.shift(0.8*LEFT)
|
||||
sum_mobs = tex_mobject(
|
||||
sum_mobs = TexMobject(
|
||||
" + ".join([str(2**c) for c in counts]).split(" ") + ["=%d"%num]
|
||||
).to_corner(UP+RIGHT).split()
|
||||
self.add(hand, *count_mobs)
|
||||
@ -298,7 +298,7 @@ class ShowIncrementRule(Scene):
|
||||
def to_left(words):
|
||||
return "\\begin{flushleft}" + words + "\\end{flushleft}"
|
||||
phrases = [
|
||||
text_mobject(to_left(words), size = "\\Huge").scale(0.75).to_corner(UP+LEFT)
|
||||
TextMobject(to_left(words), size = "\\Huge").scale(0.75).to_corner(UP+LEFT)
|
||||
for words in [
|
||||
"But while you're counting, you don't need to think about powers of 2.",
|
||||
"Can you see the pattern for incrementing?",
|
||||
@ -337,7 +337,7 @@ class ShowIncrementRule(Scene):
|
||||
self.frames += [self.frames[-1]]*int(1.0/self.frame_duration)
|
||||
|
||||
def get_arrow_set(self, num):
|
||||
arrow = tex_mobject("\\downarrow", size = "\\Huge")
|
||||
arrow = TexMobject("\\downarrow", size = "\\Huge")
|
||||
arrow.highlight("green")
|
||||
arrow.shift(-arrow.get_bottom())
|
||||
if num == 12:
|
||||
@ -368,17 +368,17 @@ class ShowIncrementRule(Scene):
|
||||
|
||||
class MindFindsShortcuts(Scene):
|
||||
def construct(self):
|
||||
words1 = text_mobject("""
|
||||
words1 = TextMobject("""
|
||||
Before long, your mind starts to recognize certain
|
||||
patterns without needing to perform the addition.
|
||||
""", size = "\\Huge").scale(0.75).to_corner(LEFT+UP)
|
||||
words2 = text_mobject("""
|
||||
words2 = TextMobject("""
|
||||
Which makes it faster to recognize other patterns...
|
||||
""", size = "\\Huge").scale(0.75).to_corner(LEFT+UP)
|
||||
|
||||
hand = Hand(7).scale(0.5).center().shift(DOWN+2*LEFT)
|
||||
sum421 = tex_mobject("4+2+1").shift(DOWN+2*RIGHT)
|
||||
seven = tex_mobject("7").shift(DOWN+6*RIGHT)
|
||||
sum421 = TexMobject("4+2+1").shift(DOWN+2*RIGHT)
|
||||
seven = TexMobject("7").shift(DOWN+6*RIGHT)
|
||||
compound = CompoundMobject(
|
||||
Arrow(hand, sum421),
|
||||
sum421,
|
||||
@ -393,7 +393,7 @@ class MindFindsShortcuts(Scene):
|
||||
self.dither()
|
||||
self.play(
|
||||
Transform(compound, Arrow(hand, seven).highlight("yellow")),
|
||||
ShimmerIn(text_mobject("Directly recognize").shift(1.5*DOWN+2*RIGHT))
|
||||
ShimmerIn(TextMobject("Directly recognize").shift(1.5*DOWN+2*RIGHT))
|
||||
)
|
||||
self.dither()
|
||||
|
||||
@ -406,10 +406,10 @@ class MindFindsShortcuts(Scene):
|
||||
hands[16].shift(LEFT)
|
||||
hands[7].shift(3*RIGHT)
|
||||
for num in 7, 16:
|
||||
hands[num].add(tex_mobject(str(num)).shift(hands[num].get_top()+0.5*UP))
|
||||
plus = tex_mobject("+").shift(DOWN + RIGHT)
|
||||
equals = tex_mobject("=").shift(DOWN + 2.5*LEFT)
|
||||
equals23 = tex_mobject("=23").shift(DOWN + 5.5*RIGHT)
|
||||
hands[num].add(TexMobject(str(num)).shift(hands[num].get_top()+0.5*UP))
|
||||
plus = TexMobject("+").shift(DOWN + RIGHT)
|
||||
equals = TexMobject("=").shift(DOWN + 2.5*LEFT)
|
||||
equals23 = TexMobject("=23").shift(DOWN + 5.5*RIGHT)
|
||||
|
||||
self.add(words2, hands[23])
|
||||
self.dither()
|
||||
@ -434,7 +434,7 @@ class MindFindsShortcuts(Scene):
|
||||
class CountingExampleSentence(ShowCounting):
|
||||
def construct(self):
|
||||
words = "As an example, this is me counting the number of words in this sentence on just one hand!"
|
||||
self.words = text_mobject(words.split(), size = "\\Huge").scale(0.7).to_corner(UP+LEFT, buff = 0.25).split()
|
||||
self.words = TextMobject(words.split(), size = "\\Huge").scale(0.7).to_corner(UP+LEFT, buff = 0.25).split()
|
||||
ShowCounting.construct(self)
|
||||
|
||||
def get_counting_mob(self, num):
|
||||
@ -443,11 +443,11 @@ class CountingExampleSentence(ShowCounting):
|
||||
class FinishCountingExampleSentence(Scene):
|
||||
def construct(self):
|
||||
words = "As an example, this is me counting the number of words in this sentence on just one hand!"
|
||||
words = text_mobject(words, size = "\\Huge").scale(0.7).to_corner(UP+LEFT, buff = 0.25)
|
||||
words = TextMobject(words, size = "\\Huge").scale(0.7).to_corner(UP+LEFT, buff = 0.25)
|
||||
hand = Hand(18)
|
||||
sixteen = tex_mobject("16").shift([0, 2.25, 0])
|
||||
two = tex_mobject("2").shift([3, 3.65, 0])
|
||||
eightteen = tex_mobject("18").shift([1.5, 2.5, 0])
|
||||
sixteen = TexMobject("16").shift([0, 2.25, 0])
|
||||
two = TexMobject("2").shift([3, 3.65, 0])
|
||||
eightteen = TexMobject("18").shift([1.5, 2.5, 0])
|
||||
eightteen.sort_points()
|
||||
comp = CompoundMobject(sixteen, two)
|
||||
self.add(hand, comp, words)
|
||||
@ -457,18 +457,18 @@ class FinishCountingExampleSentence(Scene):
|
||||
|
||||
class Question(Scene):
|
||||
def construct(self):
|
||||
self.add(text_mobject("Left to ponder: Why does this rule for incrementing work?"))
|
||||
self.add(TextMobject("Left to ponder: Why does this rule for incrementing work?"))
|
||||
|
||||
|
||||
class TwoHandStatement(Scene):
|
||||
def construct(self):
|
||||
self.add(text_mobject(
|
||||
self.add(TextMobject(
|
||||
"With 10 fingers, you can count up to $2^{10} - 1 = 1023$..."
|
||||
))
|
||||
|
||||
class WithToes(Scene):
|
||||
def construct(self):
|
||||
words = text_mobject([
|
||||
words = TextMobject([
|
||||
"If you were dexterous enough to use your toes as well,",
|
||||
"you could count to 1,048,575"
|
||||
]).split()
|
||||
|
||||
Reference in New Issue
Block a user