def construct(self):
title = TextMobject("(A few) Fathers of Calculus")
title.to_edge(UP)
self.add(title)
men = Mobject()
for name in self.names:
image = ImageMobject(name, invert=False)
image.scale_to_fit_height(self.picture_height)
title = TextMobject(name)
title.scale(0.8)
title.next_to(image, DOWN)
image.add(title)
men.add(image)
men.arrange_submobjects(RIGHT, aligned_edge=UP)
men.shift(DOWN)
discover_brace = Brace(Mobject(*men[:3]), UP)
discover = discover_brace.get_text("Discovered it")
VGroup(discover_brace, discover).highlight(BLUE)
rigor_brace = Brace(Mobject(*men[3:]), UP)
rigor = rigor_brace.get_text("Made it rigorous")
rigor.shift(0.1 * DOWN)
VGroup(rigor_brace, rigor).highlight(YELLOW)
for man in men:
self.play(FadeIn(man))
self.play(GrowFromCenter(discover_brace), Write(discover, run_time=1))
self.play(GrowFromCenter(rigor_brace), Write(rigor, run_time=1))
self.dither()
def construct(self):
europe = ImageMobject("Europe", use_cache = False)
self.add(europe)
self.freeze_background()
mathematicians = [
("Newton", [-1.75, -0.75, 0]),
("Jacob_Bernoulli",[-0.75, -1.75, 0]),
("Ehrenfried_von_Tschirnhaus",[0.5, -0.5, 0]),
("Gottfried_Wilhelm_von_Leibniz",[0.2, -1.75, 0]),
("Guillaume_de_L'Hopital", [-1.75, -1.25, 0]),
]
for name, point in mathematicians:
man = ImageMobject(name, invert = False)
if name == "Newton":
name = "Isaac_Newton"
name_mob = TextMobject(name.replace("_", " "))
name_mob.to_corner(UP+LEFT, buff=0.75)
self.add(name_mob)
man.scale_to_fit_height(4)
mobject = Point(man.get_corner(UP+LEFT))
self.play(Transform(mobject, man))
man.scale(0.2)
man.shift(point)
self.play(Transform(mobject, man))
self.remove(name_mob)
def construct(self):
europe = ImageMobject("Europe", use_cache = False)
self.add(europe)
self.freeze_background()
mathematicians = [
("Newton", [-1.75, -0.75, 0]),
("Jacob_Bernoulli",[-0.75, -1.75, 0]),
("Ehrenfried_von_Tschirnhaus",[0.5, -0.5, 0]),
("Gottfried_Wilhelm_von_Leibniz",[0.2, -1.75, 0]),
("Guillaume_de_L'Hopital", [-1.75, -1.25, 0]),
]
for name, point in mathematicians:
man = ImageMobject(name, invert = False)
if name == "Newton":
name = "Isaac_Newton"
name_mob = TextMobject(name.replace("_", " "))
name_mob.to_corner(UP+LEFT, buff=0.75)
self.add(name_mob)
man.scale_to_fit_height(4)
mobject = Point(man.get_corner(UP+LEFT))
self.play(Transform(mobject, man))
man.scale(0.2)
man.shift(point)
self.play(Transform(mobject, man))
self.remove(name_mob)
def construct(self):
morty = Mortimer()
morty.next_to(ORIGIN, DOWN)
morty.to_edge(RIGHT)
headphones = Headphones(height = 1)
headphones.move_to(morty.eyes, aligned_edge = DOWN)
headphones.shift(0.1*DOWN)
url = TextMobject("www.audibletrial.com/3blue1brown")
url.scale(0.8)
url.to_corner(UP+RIGHT, buff = LARGE_BUFF)
book = ImageMobject("zen_and_motorcycles")
book.scale_to_fit_height(5)
book.to_edge(DOWN, buff = LARGE_BUFF)
border = Rectangle(color = WHITE)
border.replace(book, stretch = True)
self.play(PiCreatureSays(
morty, "Book recommendation!",
target_mode = "surprised"
))
self.play(Blink(morty))
self.play(
FadeIn(headphones),
morty.change_mode, "thinking",
FadeOut(morty.bubble),
FadeOut(morty.bubble.content),
)
self.play(Write(url))
self.play(morty.change_mode, "happy")
self.dither(2)
self.play(Blink(morty))
self.dither(2)
self.play(
morty.change_mode, "raise_right_hand",
morty.look_at, url
)
self.dither(2)
self.play(
morty.change_mode, "happy",
morty.look_at, book
)
self.play(FadeIn(book))
self.play(ShowCreation(border))
self.dither(2)
self.play(Blink(morty))
self.dither()
self.play(
morty.change_mode, "thinking",
morty.look_at, book
)
self.dither(2)
self.play(Blink(morty))
self.dither(4)
self.play(Blink(morty))
def construct(self):
morty = Mortimer(mode = "happy")
keith = Keith(mode = "dance_kick")
keith_image = ImageMobject("keith_schwarz", invert = False)
# keith_image = Rectangle()
keith_image.scale_to_fit_height(2*SPACE_HEIGHT - 2)
keith_image.next_to(ORIGIN, LEFT)
keith.move_to(keith_image, DOWN+RIGHT)
morty.next_to(keith, buff = LARGE_BUFF, aligned_edge = DOWN)
morty.make_eye_contact(keith)
bubble = keith.get_bubble("speech")
bubble.write("Check this out...")
bubble.resize_to_content()
bubble.pin_to(keith)
VGroup(bubble, bubble.content).shift(DOWN)
title = TextMobject("Keith Schwarz (Computer scientist)")
title.to_edge(UP)
self.add(keith_image, morty)
self.play(Write(title))
self.play(FadeIn(keith, run_time = 2))
self.play(FadeOut(keith_image), Animation(keith))
self.play(Blink(morty))
self.play(
keith.change_mode, "speaking",
keith.scale_to_fit_height, morty.get_height(),
keith.next_to, morty, LEFT, LARGE_BUFF,
run_time = 1.5
)
self.play(
ShowCreation(bubble),
Write(bubble.content)
)
self.play(
morty.change_mode, "pondering",
morty.look_at, bubble
)
self.play(Blink(keith))
self.dither()
def four_billion_earths(self):
self.create_four_billion_copies(
3, self.get_earth()
)
milky_way = ImageMobject("milky_way")
milky_way.scale_to_fit_height(3)
milky_way.to_edge(LEFT, buff = 0)
milky_way.shift(DOWN)
n_stars_estimate = TextMobject("100 to 400 \\\\ billion stars")
n_stars_estimate.next_to(milky_way, RIGHT)
n_stars_estimate.shift(UP)
earth, h_line, denom = self.get_fraction(
3, self.get_earth(), self.get_galaxy()
)
self.revert_to_original_skipping_status()
self.play(FadeIn(milky_way))
self.play(Write(n_stars_estimate))
self.dither()
self.play(LaggedStart(
Indicate, self.group_of_four_billion_things,
rate_func = there_and_back,
lag_ratio = 0.2,
run_time = 3,
))
self.dither()
self.play(
ReplacementTransform(
self.group_of_four_billion_things,
VGroup(earth)
),
ShowCreation(h_line),
FadeIn(denom),
self.four_billions[3].restore,
FadeOut(milky_way),
FadeOut(n_stars_estimate),
)
self.dither()
def four_billion_earths(self):
self.create_four_billion_copies(3, self.get_earth())
milky_way = ImageMobject("milky_way")
milky_way.scale_to_fit_height(3)
milky_way.to_edge(LEFT, buff=0)
milky_way.shift(DOWN)
n_stars_estimate = TextMobject("100 to 400 \\\\ billion stars")
n_stars_estimate.next_to(milky_way, RIGHT)
n_stars_estimate.shift(UP)
earth, h_line, denom = self.get_fraction(3, self.get_earth(),
self.get_galaxy())
self.revert_to_original_skipping_status()
self.play(FadeIn(milky_way))
self.play(Write(n_stars_estimate))
self.dither()
self.play(
LaggedStart(
Indicate,
self.group_of_four_billion_things,
rate_func=there_and_back,
lag_ratio=0.2,
run_time=3,
))
self.dither()
self.play(
ReplacementTransform(self.group_of_four_billion_things,
VGroup(earth)),
ShowCreation(h_line),
FadeIn(denom),
self.four_billions[3].restore,
FadeOut(milky_way),
FadeOut(n_stars_estimate),
)
self.dither()