Polynomial

Опубликовано: 02 Ноябрь 2021
на канале: Flesmyn Academy

class TestSectionXY(Scene):
def construct(self):
text1 = MathTex(r"a", r"_{n}", r"x", r"^{n}", r"+", r"a", r"_{n-1}",
r"x", r"^{n-1}", r"+", r"...", r"+", r"a", r"_{3}", r"x",
r"^{3}", r"+", r"a", r"_{2}", r"x", r"^2", r"+", r"a", r"_{1}",
r"x", r"^1", r"+", r"a", r"_{0}", r"x", r"^0", substrings_to_isolate="x")
text1.set_color_by_tex("x", YELLOW)

self.play(AnimationGroup(*[Write(text1[i]) for i in range (25)]),
AnimationGroup(*[Write(text1[i+26]) for i in range (3)])) #, FadeOut(text1[25]), FadeOut(text1[29]), FadeOut(text1[30]))
self.wait(2)
self.play(FocusOn(text1[24]))
self.wait()
self.play(Create(text1[25]))
self.wait()
self.play(FocusOn(text1[27]))
self.wait()
self.play(Create(text1[29]), Create(text1[30]))
self.wait()
self.play(AnimationGroup(*[text1[i].animate.shift(UP) for i in [2, 7, 14, 19, 24, 29]]))
self.play(AnimationGroup(*[text1[i].animate.shift(DOWN) for i in [2, 7, 14, 19, 24, 29]]))
self.wait()
self.play(AnimationGroup(*[text1[i].animate.shift(DOWN) for i in [0, 1, 5, 6, 12, 13, 17, 18, 22, 23, 27, 28]]))
self.play(AnimationGroup(*[text1[i].animate.shift(UP) for i in [0, 1, 5, 6, 12, 13, 17, 18, 22, 23, 27, 28]]))
self.wait()
self.play(AnimationGroup(*[text1[i].animate.shift(UP) for i in [3, 8, 15, 20, 25, 30]]))
self.play(AnimationGroup(*[text1[i].animate.shift(DOWN) for i in [3, 8, 15, 20, 25, 30]]))
self.wait()

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