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66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
from manimlib.imports import *
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## Warning, much of what is in this class
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## likely not supported anymore.
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class LogoGeneration(Scene):
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CONFIG = {
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"radius" : 1.5,
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"inner_radius_ratio" : 0.55,
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"circle_density" : 100,
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"circle_blue" : "skyblue",
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"circle_brown" : DARK_BROWN,
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"circle_repeats" : 5,
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"sphere_density" : 50,
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"sphere_blue" : DARK_BLUE,
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"sphere_brown" : LIGHT_BROWN,
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"interpolation_factor" : 0.3,
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"frame_duration" : 0.03,
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"run_time" : 3,
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}
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def construct(self):
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digest_config(self, {})
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## Usually shouldn't need this...
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self.frame_duration = self.CONFIG["frame_duration"]
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##
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digest_config(self, {})
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circle = Circle(
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density = self.circle_density,
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color = self.circle_blue
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)
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circle.repeat(self.circle_repeats)
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circle.scale(self.radius)
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sphere = Sphere(
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density = self.sphere_density,
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color = self.sphere_blue
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)
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sphere.scale(self.radius)
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sphere.rotate(-np.pi / 7, [1, 0, 0])
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sphere.rotate(-np.pi / 7)
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iris = Mobject()
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iris.interpolate(
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circle, sphere,
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self.interpolation_factor
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)
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for mob, color in [(iris, self.sphere_brown), (circle, self.circle_brown)]:
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mob.set_color(color, lambda x_y_z : x_y_z[0] < 0 and x_y_z[1] > 0)
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mob.set_color(
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"black",
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lambda point: get_norm(point) < \
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self.inner_radius_ratio*self.radius
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)
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self.name_mob = TextMobject("3Blue1Brown").center()
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self.name_mob.set_color("grey")
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self.name_mob.shift(2*DOWN)
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self.play(Transform(
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circle, iris,
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run_time = self.run_time
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))
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self.frames = drag_pixels(self.frames)
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self.save_image(IMAGE_DIR)
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self.logo = MobjectFromPixelArray(self.frames[-1])
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self.add(self.name_mob)
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self.wait()
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