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72 lines
2.4 KiB
72 lines
2.4 KiB
3 months ago
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from manim import *
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class MovingZoomedSceneAround(ZoomedScene):
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# contributed by TheoremofBeethoven, www.youtube.com/c/TheoremofBeethoven
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def __init__(self, **kwargs):
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ZoomedScene.__init__(
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self,
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zoom_factor=0.3,
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zoomed_display_height=1,
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zoomed_display_width=6,
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image_frame_stroke_width=20,
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zoomed_camera_config={
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"default_frame_stroke_width": 3,
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},
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**kwargs
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)
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def construct(self):
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dot = Dot().shift(UL * 2)
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image = ImageMobject(np.uint8([[0, 100, 30, 200],
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[255, 0, 5, 33]]))
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image.height = 7
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frame_text = Text("Frame", color=PURPLE, font_size=67)
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zoomed_camera_text = Text("Zoomed camera", color=RED, font_size=67)
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self.add(image, dot)
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zoomed_camera = self.zoomed_camera
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zoomed_display = self.zoomed_display
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frame = zoomed_camera.frame
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zoomed_display_frame = zoomed_display.display_frame
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frame.move_to(dot)
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frame.set_color(PURPLE)
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zoomed_display_frame.set_color(RED)
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zoomed_display.shift(DOWN)
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zd_rect = BackgroundRectangle(
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zoomed_display,
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fill_opacity=0,
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buff=MED_SMALL_BUFF)
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self.add_foreground_mobject(zd_rect)
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unfold_camera = UpdateFromFunc(
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zd_rect, lambda rect: rect.replace(zoomed_display))
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frame_text.next_to(frame, DOWN)
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self.play(Create(frame), FadeIn(frame_text, shift=UP))
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self.activate_zooming()
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self.play(self.get_zoomed_display_pop_out_animation(), unfold_camera)
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zoomed_camera_text.next_to(zoomed_display_frame, DOWN)
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self.play(FadeIn(zoomed_camera_text, shift=UP))
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# Scale in x y z
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scale_factor = [0.5, 1.5, 0]
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self.play(
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frame.animate.scale(scale_factor),
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zoomed_display.animate.scale(scale_factor),
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FadeOut(zoomed_camera_text),
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FadeOut(frame_text)
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)
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self.wait()
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self.play(ScaleInPlace(zoomed_display, 2))
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self.wait()
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self.play(frame.animate.shift(2.5 * DOWN))
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self.wait()
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self.play(self.get_zoomed_display_pop_out_animation(),
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unfold_camera, rate_func=lambda t: smooth(1 - t))
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self.play(Uncreate(zoomed_display_frame), FadeOut(frame))
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self.wait()
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