from mobject.tex_mobject import TexMobject from mobject import Mobject from mobject.image_mobject import ImageMobject from mobject.vectorized_mobject import VMobject from animation.animation import Animation from animation.transform import * from animation.simple_animations import * from topics.geometry import * from topics.characters import * from topics.functions import * from topics.number_line import * from topics.numerals import * from scene import Scene from camera import Camera from mobject.svg_mobject import * from mobject.tex_mobject import * from mobject.vectorized_mobject import * from eola.matrix import * from eola.two_d_space import * from ka_playgrounds.circuits import Resistor, Source, LongResistor class OpeningQuote(Scene): def construct(self): words = TextMobject( "On this quiz, I asked you to find the determinant of a", "2x3 matrix.", "Some of you, to my great amusement, actually tried to do this." ) words.scale_to_fit_width(2*SPACE_WIDTH - 2) words.to_edge(UP) words[1].highlight(GREEN) author = TextMobject("-(Linear algebra professor whose name I could not track down)") author.highlight(YELLOW) author.next_to(words, DOWN, buff = 0.5) self.play(FadeIn(words)) self.dither(2) self.play(Write(author, run_time = 3)) self.dither()