渐显渐隐

淡入淡出视野。

示例：渐显渐隐

Python
from manim import *

class Fading(Scene):
    def construct(self):
        tex_in = Tex("Fade", "In").scale(3)
        tex_out = Tex("Fade", "Out").scale(3)
        self.play(FadeIn(tex_in, shift=DOWN, scale=0.66))
        self.play(ReplacementTransform(tex_in, tex_out))
        self.play(FadeOut(tex_out, shift=DOWN * 2, scale=1.5))

Classes


`FadeIn`	淡入`Mobject`s。
`FadeOut`	淡出`Mobject`s.