def construct(self):
time_line = get_time_line()
time_line.shift(-time_line.number_to_point(1900))
hilbert_curve = HilbertCurve(order = 3)
peano_curve = PeanoCurve(order = 2)
for curve in hilbert_curve, peano_curve:
curve.scale(0.5)
hilbert_curve.to_corner(DOWN+RIGHT)
peano_curve.to_corner(UP+LEFT)
squares = Mobject(*[
Square(side_length=3, color=WHITE).replace(curve)
for curve in hilbert_curve, peano_curve
])
self.add(time_line)
self.wait()
for year, curve, vect, text in [
(1890, peano_curve, UP, "Peano Curve"),
(1891, hilbert_curve, DOWN, "Hilbert Curve"),
]:
point = time_line.number_to_point(year)
point[1] = 0.2
arrow = Arrow(point+2*vect, point, buff = 0.1)
arrow.gradient_highlight(curve.start_color, curve.end_color)
year_mob = TexMobject(str(year))
year_mob.next_to(arrow, vect)
words = TextMobject(text)
words.next_to(year_mob, vect)
self.play(
ShowCreation(arrow),
ShimmerIn(year_mob),
ShimmerIn(words)
)
self.play(ShowCreation(curve))
self.wait()
self.play(ShowCreation(squares))
self.wait()
self.play(ApplyMethod(
Mobject(*self.mobjects).shift, 20*(DOWN+RIGHT)
))
def construct(self):
time_line = get_time_line()
time_line.shift(-time_line.number_to_point(1900))
hilbert_curve = HilbertCurve(order = 3)
peano_curve = PeanoCurve(order = 2)
for curve in hilbert_curve, peano_curve:
curve.scale(0.5)
hilbert_curve.to_corner(DOWN+RIGHT)
peano_curve.to_corner(UP+LEFT)
squares = Mobject(*[
Square(side_length=3, color=WHITE).replace(curve)
for curve in hilbert_curve, peano_curve
])
self.add(time_line)
self.dither()
for year, curve, vect, text in [
(1890, peano_curve, UP, "Peano Curve"),
(1891, hilbert_curve, DOWN, "Hilbert Curve"),
]:
point = time_line.number_to_point(year)
point[1] = 0.2
arrow = Arrow(point+2*vect, point, buff = 0.1)
arrow.gradient_highlight(curve.start_color, curve.end_color)
year_mob = TexMobject(str(year))
year_mob.next_to(arrow, vect)
words = TextMobject(text)
words.next_to(year_mob, vect)
self.play(
ShowCreation(arrow),
ShimmerIn(year_mob),
ShimmerIn(words)
)
self.play(ShowCreation(curve))
self.dither()
self.play(ShowCreation(squares))
self.dither()
self.play(ApplyMethod(
Mobject(*self.mobjects).shift, 20*(DOWN+RIGHT)
))
