class TransformationText1V1(Scene):
def construct(self):
texto1 = TextMobject("First text")
texto2 = TextMobject("Second text")
self.play(Write(texto1))
self.wait()
self.play(Transform(texto1,texto2))
self.wait()
class TransformationText1V2(Scene):
def construct(self):
texto1 = TextMobject("First text")
texto1.to_edge(UP)
texto2 = TextMobject("Second text")
self.play(Write(texto1))
self.wait()
self.play(Transform(texto1,texto2))
self.wait()
class TransformationText2(Scene):
def construct(self):
text1 = TextMobject("Function")
text2 = TextMobject("Derivative")
text3 = TextMobject("Integral")
text4 = TextMobject("Transformation")
self.play(Write(text1))
self.wait()
#Trans text1 -> text2
self.play(ReplacementTransform(text1,text2))
self.wait()
#Trans text2 -> text3
self.play(ReplacementTransform(text2,text3))
self.wait()
#Trans text3 -> text4
self.play(ReplacementTransform(text3,text4))
self.wait()
class CopyTextV1(Scene):
def construct(self):
formula = TexMobject(
"\\frac{d}{dx}", #0
"(", #1
"u", #2
"+", #3
"v", #4
")", #5
"=", #6
"\\frac{d}{dx}", #7
"u", #8
"+", #9
"\\frac{d}{dx}", #10
"v" #11
)
formula.scale(2)
self.play(Write(formula[0:7]))
self.wait()
self.play(
ReplacementTransform(formula[2].copy(),formula[8]),
ReplacementTransform(formula[4].copy(),formula[11]),
ReplacementTransform(formula[3].copy(),formula[9])
)
self.wait()
self.play(
ReplacementTransform(formula[0].copy(),formula[7]),
ReplacementTransform(formula[0].copy(),formula[10])
)
self.wait()
class CopyTextV2(Scene):
def construct(self):
formula = TexMobject("\\frac{d}{dx}",
"(","u","+","v",")","=",
"\\frac{d}{dx}","u","+","\\frac{d}{dx}","v"
)
formula.scale(2)
self.play(Write(formula[0:7]))
self.wait()
self.play(
ReplacementTransform(formula[2].copy(),formula[8]),
ReplacementTransform(formula[4].copy(),formula[11]),
ReplacementTransform(formula[3].copy(),formula[9]),
run_time=3
)
self.wait()
self.play(
ReplacementTransform(formula[0].copy(),formula[7]),
ReplacementTransform(formula[0].copy(),formula[10]),
run_time=3
)
self.wait()
class CopyTextV3(Scene):
def construct(self):
formula = TexMobject("\\frac{d}{dx}",
"(","u","+","v",")","=",
"\\frac{d}{dx}","u","+","\\frac{d}{dx}","v"
)
formula.scale(2)
formula[8].set_color(RED)
formula[11].set_color(BLUE)
self.play(Write(formula[0:7]))
self.wait()
self.play(
ReplacementTransform(formula[2].copy(),formula[8]),
ReplacementTransform(formula[4].copy(),formula[11]),
ReplacementTransform(formula[3].copy(),formula[9]),
run_time=3
)
self.wait()
self.play(
ReplacementTransform(formula[0].copy(),formula[7]),
ReplacementTransform(formula[0].copy(),formula[10]),
run_time=3
)
self.wait()
class CopyTextV4(Scene):
def construct(self):
formula = TexMobject("\\frac{d}{dx}",
"(","u","+","v",")","=",
"\\frac{d}{dx}","u","+","\\frac{d}{dx}","v"
)
formula.scale(2)
for letter,color in [("u",RED),("v",BLUE)]:
formula.set_color_by_tex(letter,color)
self.play(Write(formula[0:7]))
self.wait()
self.play(
ReplacementTransform(formula[2].copy(),formula[8]),
ReplacementTransform(formula[4].copy(),formula[11]),
ReplacementTransform(formula[3].copy(),formula[9]),
run_time=3
)
self.wait()
self.play(
ReplacementTransform(formula[0].copy(),formula[7]),
ReplacementTransform(formula[0].copy(),formula[10]),
run_time=3
)
self.wait()
class CopyTwoFormulas1(Scene):
def construct(self):
formula1 = TexMobject(
"\\neg", #0
"\\forall", #1
"x", #2
":", #3
"P(x)" #4
)
formula2 = TexMobject(
"\\exists", #0
"x", #1
":", #2
"\\neg", #3
"P(x)" #4
)
for size,pos,formula in [(2,2*UP,formula1),(2,2*DOWN,formula2)]:
formula.scale(size)
formula.move_to(pos)
self.play(Write(formula1))
self.wait()
changes = [
[(0,1,2,3,4),
# | | | | |
# v v v v v
(3,0,1,2,4)],
]
for pre_ind,post_ind in changes:
self.play(*[
ReplacementTransform(
formula1[i].copy(),formula2[j]
)
for i,j in zip(pre_ind,post_ind)
],
run_time=2
)
self.wait()
class CopyTwoFormulas2(Scene):
def construct(self):
formula1 = TexMobject(
"\\neg","\\forall","x",":","P(x)"
)
formula2 = TexMobject(
"\\exists","x",":","\\neg","P(x)"
)
for tam,pos,formula in [(2,2*UP,formula1),(2,2*DOWN,formula2)]:
formula.scale(tam)
formula.move_to(pos)
self.play(Write(formula1))
self.wait()
changes = [
# First time
[(2,3,4),
# | | |
# v v v
(1,2,4)],
# Second time
[(0,),
# |
# v
(3,)],
# Third time
[(1,),
# |
# v
(0,)]
]
for pre_ind,post_ind in changes:
self.play(*[
ReplacementTransform(
formula1[i].copy(),formula2[j]
)
for i,j in zip(pre_ind,post_ind)
],
run_time=2
)
self.wait()
class CopyTwoFormulas2Color(Scene):
def construct(self):
formula1 = TexMobject(
"\\neg","\\forall","x",":","P(x)"
)
formula2 = TexMobject(
"\\exists","x",":","\\neg","P(x)"
)
parametters = [(2,2*UP,formula1,GREEN,"\\forall"),
(2,2*DOWN,formula2,ORANGE,"\\exists")]
for size,pos,formula,col,sim in parametters:
formula.scale(size)
formula.move_to(pos)
formula.set_color_by_tex(sim,col)
formula.set_color_by_tex("\\neg",PINK)
self.play(Write(formula1))
self.wait()
changes = [
[(2,3,4),(1,2,4)],
[(0,),(3,)],
[(1,),(0,)]
]
for pre_ind,post_ind in changes:
self.play(*[
ReplacementTransform(
formula1[i].copy(),formula2[j]
)
for i,j in zip(pre_ind,post_ind)
],
run_time=2
)
self.wait()
class CopyTwoFormulas3(Scene):
def construct(self):
formula1 = TexMobject(
"\\neg","\\forall","x",":","P(x)"
)
formula2 = TexMobject(
"\\exists","x",":","\\neg","P(x)"
)
parametters = [(2,2*UP,formula1,GREEN,"\\forall"),
(2,2*DOWN,formula2,ORANGE,"\\exists")]
for size,pos,formula,col,sim in parametters:
formula.scale(size)
formula.move_to(pos)
formula.set_color_by_tex(sim,col)
formula.set_color_by_tex("\\neg",PINK)
self.play(Write(formula1))
self.wait()
changes = [
[(2,3,4),(1,2,4)],
[(0,),(3,)],
[(1,),(0,)]
]
for pre_ind,post_ind in changes:
self.play(*[
ReplacementTransform(
formula1[i],formula2[j]
)
for i,j in zip(pre_ind,post_ind)
],
run_time=2
)
self.wait()
class ChangeTextColorAnimation(Scene):
def construct(self):
text = TextMobject("Text")
text.scale(3)
self.play(Write(text))
self.wait()
self.play(
text.set_color, YELLOW,
run_time=2
)
self.wait()
class ChangeSizeAnimation(Scene):
def construct(self):
text = TextMobject("Text")
text.scale(2)
self.play(Write(text))
self.wait()
self.play(
text.scale, 3,
run_time=2
)
self.wait()
class MoveText(Scene):
def construct(self):
text = TextMobject("Text")
text.scale(2)
text.shift(LEFT*2)
self.play(Write(text))
self.wait()
self.play(
text.shift, RIGHT*2,
run_time=2,
path_arc=0 #Change 0 by -np.pi
)
self.wait()
class ChangeColorAndSizeAnimation(Scene):
def construct(self):
text = TextMobject("Text")
text.scale(2)
text.shift(LEFT*2)
self.play(Write(text))
self.wait()
self.play(
text.shift, RIGHT*2,
text.scale, 2,
text.set_color, RED,
run_time=2,
)
self.wait()
