mirror of
https://github.com/3b1b/manim.git
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83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
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from big_ol_pile_of_manim_imports import *
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class Introduction(TeacherStudentsScene):
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CONFIG = {
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"default_pi_creature_kwargs": {
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"color": MAROON_E,
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"flip_at_start": True,
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},
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}
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def construct(self):
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self.show_series()
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self.show_examples()
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def show_series(self):
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series = VideoSeries(num_videos = 11)
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series.to_edge(UP)
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this_video = series[0]
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this_video.set_color(YELLOW)
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this_video.save_state()
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this_video.set_fill(opacity = 0)
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this_video.center()
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this_video.scale_to_fit_height(FRAME_HEIGHT)
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self.this_video = this_video
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words = TextMobject(
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"Welcome to \\\\",
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"Essence of Probability"
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)
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words.set_color_by_tex("Essence of Probability", YELLOW)
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self.teacher.change_mode("happy")
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self.play(
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FadeIn(
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series,
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submobject_mode = "lagged_start",
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run_time = 2
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),
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Blink(self.get_teacher())
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)
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self.teacher_says(words, target_mode = "hooray")
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self.change_student_modes(
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*["hooray"]*3,
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look_at_arg = series[1].get_left(),
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added_anims = [
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ApplyMethod(this_video.restore, run_time = 3),
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]
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)
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self.play(*[
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ApplyMethod(
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video.shift, 0.5*video.get_height()*DOWN,
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run_time = 3,
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rate_func = squish_rate_func(
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there_and_back, alpha, alpha+0.3
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)
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)
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for video, alpha in zip(series, np.linspace(0, 0.7, len(series)))
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]+[
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Animation(self.teacher.bubble),
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Animation(self.teacher.bubble.content),
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])
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self.play(
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FadeOut(self.teacher.bubble),
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FadeOut(self.teacher.bubble.content),
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self.get_teacher().change_mode, "raise_right_hand",
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*[
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ApplyMethod(pi.change_mode, "pondering")
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for pi in self.get_students()
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]
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)
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self.wait()
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self.series = series
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def show_examples(self):
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self.wait(10)
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# put examples here in video editor
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