|
| 1 | +from manim import * |
| 2 | + |
| 3 | +import os |
| 4 | +import shutil |
| 5 | + |
| 6 | +config.video_dir= "./video_slides" |
| 7 | +config.flush_cache = True |
| 8 | +config.disable_caching = True |
| 9 | +class SlideScene(Scene): |
| 10 | + breaks=[0] |
| 11 | + video_slides_dir="./video_slides" |
| 12 | + def setup(self): |
| 13 | + super(SlideScene, self).setup() |
| 14 | + self.breaks=[0] |
| 15 | + |
| 16 | + def slide_break(self,t=0.5): |
| 17 | + self.breaks+=[self.renderer.time+t/2] |
| 18 | + self.wait(t) |
| 19 | + |
| 20 | + def save_times(self): |
| 21 | + self.breaks+=[self.renderer.time] |
| 22 | + out="" |
| 23 | + dirname=os.path.dirname(self.renderer.file_writer.movie_file_path) |
| 24 | + for i in range(len(self.breaks)-1): |
| 25 | + out+=f"<p class=\"fragment\" type='video' time_start={self.breaks[i]} time_end={self.breaks[i+1]}></p>\n" |
| 26 | + with open("%s/%s.txt"%(dirname,type(self).__name__),'w') as f: |
| 27 | + f.write(out) |
| 28 | + |
| 29 | + def copy_files(self): |
| 30 | + if self.video_slides_dir !=None: |
| 31 | + dirname=os.path.dirname(self.renderer.file_writer.movie_file_path) |
| 32 | + slide_name = type(self).__name__ |
| 33 | + if not os.path.exists(self.video_slides_dir): |
| 34 | + os.makedirs(self.video_slides_dir) |
| 35 | + shutil.copy2(os.path.join(dirname,"%s.mp4"%slide_name), self.video_slides_dir) |
| 36 | + shutil.copy2(os.path.join(dirname,"%s.txt"%slide_name), self.video_slides_dir) |
| 37 | + |
| 38 | + def tear_down(self): |
| 39 | + super(SlideScene, self).tear_down() |
| 40 | + self.save_times() |
| 41 | + |
| 42 | + def print_end_message(self): |
| 43 | + super(SlideScene, self).print_end_message() |
| 44 | + self.copy_files() |
| 45 | + |
| 46 | + |
| 47 | +class Title(SlideScene): |
| 48 | + def construct(self): |
| 49 | + title = Tex(r"\bfseries\textsc{Title}").scale(1.25).shift(2.5*UP) |
| 50 | + arxiv = Tex(r"\bfseries\texttt{arXiv:????.?????}").scale(.75).shift(1.5*UP) |
| 51 | + name = Tex("Christopher T.\ Chubb") |
| 52 | + ethz=SVGMobject("ethz_logo_white.svg").scale(1/3).next_to(1.5*DOWN,LEFT,buff=2.5) |
| 53 | + udes=SVGMobject("Université_de_Sherbrooke_(logo).svg").scale(1/3).next_to(1.5*DOWN,RIGHT,buff=2.5) |
| 54 | + |
| 55 | + self.add(title,arxiv,name,ethz,udes) |
| 56 | + |
| 57 | + self.play(*[FadeOut(x) for x in [title,arxiv,name,ethz,udes]],run_time=0.5) |
| 58 | + self.wait(0.5) |
| 59 | + |
| 60 | +class ExampleSlide(SlideScene): |
| 61 | + def construct(self): |
| 62 | + circle = Circle(radius=1, color=BLUE) |
| 63 | + dot = Dot() |
| 64 | + dot2 = dot.copy().shift(RIGHT) |
| 65 | + self.add(dot) |
| 66 | + |
| 67 | + line = Line([3, 0, 0], [5, 0, 0]) |
| 68 | + self.add(line) |
| 69 | + |
| 70 | + self.play(GrowFromCenter(circle)) |
| 71 | + self.slide_break() |
| 72 | + self.play(Transform(dot, dot2)) |
| 73 | + self.slide_break() |
| 74 | + self.play(MoveAlongPath(dot, circle), run_time=2, rate_func=linear) |
| 75 | + self.slide_break() |
| 76 | + self.play(Rotating(dot, about_point=[2, 0, 0]), run_time=1.5) |
| 77 | + self.wait() |
| 78 | + |
0 commit comments