def construct(self):
randy = Randolph().to_corner()
bubble = randy.get_bubble()
bubble.content_scale_factor = 0.6
bubble.add_content(TOP(2, 3, 8).scale(0.7))
equation = VMobject(
TOP(2, "x"),
TexMobject("\\times"),
TOP(2, "y"),
TexMobject("="),
TOP(2, "x+y")
)
equation.arrange_submobjects()
q_marks = TextMobject("???")
q_marks.set_color(YELLOW)
q_marks.next_to(randy, UP)
self.add(randy)
self.play(FadeIn(bubble))
self.wait()
top = bubble.content
bubble.add_content(equation)
self.play(
FadeOut(top),
ApplyMethod(randy.change_mode, "sassy"),
Write(bubble.content),
Write(q_marks),
run_time = 1
)
self.wait(3)
def construct(self):
words = TextMobject("Change we can believe in")
change = VMobject(*words.split()[:6])
top = TOP(radius=0.75)
top.shift(change.get_right() - top.get_right())
self.play(Write(words))
self.play(FadeOut(change), GrowFromCenter(top))
self.wait(3)
def construct(self):
words = TextMobject("Change we can believe in")
change = VMobject(*words.split()[:6])
top = TOP(radius = 0.75)
top.shift(change.get_right()-top.get_right())
self.play(Write(words))
self.play(
FadeOut(change),
GrowFromCenter(top)
)
self.wait(3)
def construct(self):
equation = VMobject(*[
TOP(2, None, "x"),
TexMobject("+"),
TOP(2, None, "y"),
TexMobject("="),
TOP(2, None, "xy")
]).arrange()
old_eq = TexMobject("\\log_2(x) + \\log_2(y) = \\log_2(xy)")
old_eq.to_edge(UP)
self.play(FadeIn(equation))
self.wait(3)
self.play(FadeIn(old_eq))
self.wait(2)
def get_exp_anim(self, center):
epii = TexMobject("e^{\\pi i} = -1")
epii.shift(center)
top = TOP("e", "\\pi i", "-1", radius=0.75)
top.shift(center)
e, pi, i, equals, minus, one = epii.split()
##hacky
loop = e.submobjects[0]
loop.is_subpath = False
loop.set_fill(BLACK, 1.0)
e.submobjects = []
##
start = VMobject(equals, VMobject(e, loop), VMobject(pi, i),
VMobject(minus, one))
return Transform(start, top)
def construct(self):
top = TOP("x", "y", "z", radius = 0.75)
top.set_color(BLUE)
alts = VMobject(*list(map(TexMobject, [
"x^y", "\\log_x(z)", "\\sqrt[y]{z}"
])))
for mob, color in zip(alts.split(), OPERATION_COLORS):
mob.set_color(color)
alts.arrange(DOWN)
greater_than = TexMobject(">")
top.next_to(greater_than, LEFT)
alts.next_to(greater_than, RIGHT)
self.play(Write(VMobject(top, greater_than, alts)))
self.wait()
def get_log_anim(self, center):
O_log_n = TexMobject(["O(", "\\log(n)", ")"])
O_log_n.shift(center)
log_n = O_log_n.split()[1]
#super hacky
g = log_n.split()[2]
for mob in g.submobjects:
mob.is_subpath = False
mob.set_fill(BLACK, 1.0)
log_n.add(mob)
g.submobjects = []
#end hack
top = TOP(2, None, "n", radius = 0.75)
top.set_width(log_n.get_width())
top.shift(log_n.get_center())
new_O_log_n = O_log_n.copy()
new_O_log_n.submobjects[1] = top
return Transform(O_log_n, new_O_log_n)
def get_exp_anim(self, center):
epii = TexMobject("e^{\\pi i} = -1")
epii.shift(center)
top = TOP("e", "\\pi i", "-1", radius = 0.75)
top.shift(center)
e, pi, i, equals, minus, one = epii.split()
##hacky
loop = e.submobjects[0]
loop.is_subpath = False
loop.set_fill(BLACK, 1.0)
e.submobjects = []
##
start = VMobject(
equals,
VMobject(e, loop),
VMobject(pi, i),
VMobject(minus, one)
)
return Transform(start, top)
def construct(self): circle = Circle() randy = Randolph().to_corner() buddy = randy.get_bubble() buddy.content_scale_factor = 0.8 buddy.add_content(TOP(2,3,4).scale(0.8)) self.add(randy) self.play(ShowCreation(circle)) self.wait() self.play(FadeIn(buddy)) self.wait()
def construct(self):
top = TOP()
start_two = top.put_on_vertex(2, 2)
end_two = top.put_on_vertex(0, 2)
x = top.put_on_vertex(1, "x")
one_over_x = top.put_on_vertex(1, "\\dfrac{1}{x}")
x.set_color(GREEN)
one_over_x.set_color(BLUE)
start_two.set_color(YELLOW)
end_two.set_color(YELLOW)
self.add(top, start_two, x)
self.wait()
self.play(
Transform(
VMobject(start_two, x),
VMobject(end_two, one_over_x)
),
ApplyMethod(top.rotate, np.pi, UP, path_arc = np.pi/7)
)
self.wait()
def construct(self):
top = TOP()
left_times = top.put_in_vertex(0, TexMobject("\\times"))
left_dot = top.put_in_vertex(0, Dot())
right_times = top.put_in_vertex(2, TexMobject("\\times"))
right_dot = top.put_in_vertex(2, Dot())
plus = top.put_in_vertex(1, TexMobject("+"))
oplus = top.put_in_vertex(1, TexMobject("\\oplus"))
left_times.set_color(YELLOW)
right_times.set_color(YELLOW)
plus.set_color(GREEN)
oplus.set_color(BLUE)
self.add(top, left_dot, plus, right_times)
self.wait()
self.play(
Transform(VMobject(left_dot, plus, right_times),
VMobject(right_dot, oplus, left_times),
path_arc=np.pi / 2))
self.wait()
def construct(self):
top = TOP("x", "y", "z", radius=0.75)
top.set_color(BLUE)
alts = VMobject(
*list(map(TexMobject, ["x^y", "\\log_x(z)", "\\sqrt[y]{z}"])))
for mob, color in zip(alts.split(), OPERATION_COLORS):
mob.set_color(color)
alts.arrange(DOWN)
greater_than = TexMobject(">")
top.next_to(greater_than, LEFT)
alts.next_to(greater_than, RIGHT)
self.play(Write(VMobject(top, greater_than, alts)))
self.wait()
def construct(self):
assyms_of_top = VMobject(
TextMobject("Asymmetries of "),
TOP("a", "b", "c", radius=0.75).set_color(BLUE)).arrange()
assyms_of_top.to_edge(UP)
assyms_of_math = TextMobject("""
Asymmetries of
$\\underbrace{a \\cdot a \\cdots a}_{\\text{$b$ times}} = c$
""")
VMobject(*assyms_of_math.split()[13:]).set_color(YELLOW)
assyms_of_math.next_to(assyms_of_top, DOWN, buff=2)
rad = TexMobject("\\sqrt{\\quad}").to_edge(LEFT).shift(UP)
rad.set_color(RED)
log = TexMobject("\\log").next_to(rad, DOWN)
log.set_color(RED)
self.play(FadeIn(assyms_of_top))
self.wait()
self.play(FadeIn(assyms_of_math))
self.wait()
self.play(Write(VMobject(rad, log)))
self.wait()
def construct(self):
top = TOP()
start_two = top.put_on_vertex(2, 2)
end_two = top.put_on_vertex(0, 2)
x = top.put_on_vertex(1, "x")
one_over_x = top.put_on_vertex(1, "\\dfrac{1}{x}")
x.set_color(GREEN)
one_over_x.set_color(BLUE)
start_two.set_color(YELLOW)
end_two.set_color(YELLOW)
self.add(top, start_two, x)
self.wait()
self.play(
Transform(VMobject(start_two, x), VMobject(end_two, one_over_x)),
ApplyMethod(top.rotate, np.pi, UP, path_arc=np.pi / 7))
self.wait()
def get_log_anim(self, center):
O_log_n = TexMobject(["O(", "\\log(n)", ")"])
O_log_n.shift(center)
log_n = O_log_n.split()[1]
#super hacky
g = log_n.split()[2]
for mob in g.submobjects:
mob.is_subpath = False
mob.set_fill(BLACK, 1.0)
log_n.add(mob)
g.submobjects = []
#end hack
top = TOP(2, None, "n", radius=0.75)
top.set_width(log_n.get_width())
top.shift(log_n.get_center())
new_O_log_n = O_log_n.copy()
new_O_log_n.submobjects[1] = top
return Transform(O_log_n, new_O_log_n)
def construct(self):
top = TOP()
left_times = top.put_in_vertex(0, TexMobject("\\times"))
left_dot = top.put_in_vertex(0, Dot())
right_times = top.put_in_vertex(2, TexMobject("\\times"))
right_dot = top.put_in_vertex(2, Dot())
plus = top.put_in_vertex(1, TexMobject("+"))
oplus = top.put_in_vertex(1, TexMobject("\\oplus"))
left_times.set_color(YELLOW)
right_times.set_color(YELLOW)
plus.set_color(GREEN)
oplus.set_color(BLUE)
self.add(top, left_dot, plus, right_times)
self.wait()
self.play(
Transform(
VMobject(left_dot, plus, right_times),
VMobject(right_dot, oplus, left_times),
path_arc = np.pi/2
)
)
self.wait()
