uwezi’s gists

uwezi / 20250715_pango.py

Created July 15, 2025 07:37

[test fonts] Test pango fonts for compatibility with non-latin scripts. #manim #pango #text #fontlist #font

	from manim import *
	class testarabic(Scene):
	def construct(self):
	i=0
	texts = VGroup()
	for font in Text.font_list():
	print(font)
	texts += VGroup(
	Text(font, font_size=18).next_to([0,3.5-0.8*i,0],LEFT,buff=0.5),
	Text("جيب", font=font).next_to([0,3.5-0.8*i,0],RIGHT,buff=0)

uwezi / 20250712_cli.py

Created July 13, 2025 08:13

[command line arguments] How to use command line arguments inside a Manim scene. #manim #sys #commandline #tempconfig

uwezi / 20250613_glowdot.py

Last active June 13, 2025 22:19

[GlowDot] A glowing Dot() object. #manim #dot #glow #neon

	# after DIscord user Maxime
	# https://discord.com/channels/581738731934056449/976376734935048223/1383208229760143532
	class GlowDot(VMobject):
	def __init__(self, point=ORIGIN, r_min=0.05, r_max=0.15, color=YELLOW, n=20, opacity_mult=1.0, **kwargs):
	super().__init__(fill_color=color, fill_opacity=1, stroke_width=0, **kwargs)
	for a in np.linspace(0, 1, n):
	self.add(
	Dot(point, radius=interpolate(r_min, r_max, a))
	)
	self.set_fill(color, opacity=opacity_mult / n)

uwezi / 20250603_decnum.py

Last active June 3, 2025 20:13

[increasing a number in steps] How to increase a DecimalNumber in discrete steps in an animation. #manim #decimalnumber #updater #valuetracker

	from manim import *

	# https://discord.com/channels/581738731934056449/1379443317175091252/1379443317175091252
	class Test(Scene):
	def construct(self):
	numbers = [100]*10
	numbersVG = VGroup(Text(str(n)) for n in numbers)
	numbersVG.arrange(RIGHT).shift(1.3 * DOWN)
	self.add(numbersVG)

uwezi / 20250524_bulleted.py

Last active May 24, 2025 20:13

[fancy bulleted list] A fancy bulleted list in Manim. #manim #animate #tex

	from manim import *

	# https://discord.com/channels/581738731934056449/1375396076231594045/1375396076231594045

	class FancyBulletlist(VGroup):
	def __init__(self, bulletobject=None, items=[], **kwargs):
	super().__init__(**kwargs)
	if bulletobject == None:
	bulletobject = Dot()
	self.items = items

uwezi / 20250510_tipped.py

Last active May 10, 2025 20:06

[better tipped lines] Adding a tip to a line without distorting it. #manim #line #tip

	from manim import *
	import manim.mobject.geometry.tips as tips

	# https://discord.com/channels/581738731934056449/1370706466541011055/1370728872416514141

	class reasonablyTipped(Scene):
	def construct(self):
	def add_tip(
	line,
	shorten=True,

uwezi / 20250218_planetary.py

Last active February 17, 2025 23:16

[Planetary gear] A planetary gear animation. #manim #animation #geometry #gears #mechanics

	from manim_gearbox import *

	class PlanetaryGears(Scene):
	def construct(self):
	# https://en.wikipedia.org/wiki/Epicyclic_gearing#Gear_speed_ratios_of_conventional_epicyclic_gearing
	omegaplanet = 0.44
	omegacarrier = 0.44*10/15
	omegaring = (15+35)/35*omegacarrier
	module = 0.15 # diameter = module * number of teeth

uwezi / 20250213_movealong.py

Last active February 13, 2025 19:16

[Three functions and some dots] Showing the plotting of functions and MoveAlongPath. #manim #animation #movealongpath #functions

	# reaction to https://www.reddit.com/r/manim/comments/1iois3s/is_manim_worth_learning_for_math_visualization_or/
	from manim import *

	class justforfun(Scene):
	def construct(self):
	ax1 = Axes(
	x_range = [-3,3,1],
	y_range = [-1.5,+1.5,1],
	x_length = 10,
	y_length = 2,

uwezi / 20250210_superbarchart.py

Last active February 11, 2025 12:29

[SuperBarChart] A stacked barchart object using Pandas dataframes. #manim #barchart #pandas #dataframe

	# https://discord.com/channels/581738731934056449/1338585711648968775/1338585711648968775
	from manim import *
	from pandas import DataFrame

	class SuperBarChart(VGroup):
	def __init__(self,
	x_length,
	y_range,
	y_length,
	dataframe,

uwezi / 20250123_openglcylinder.py

Last active January 23, 2025 19:40

[openglCylinder] A cylinder with arbitrary orientation for the opengl renderer. #manim #3D #cylinder #opengl

	# https://discord.com/channels/581738731934056449/1332024484496150589/1332024484496150589

	from manim import *
	from manim.opengl import *
	config.renderer="opengl"
	config.write_to_movie=True

	class openglCylinder(OpenGLSurface):
	def __init__(self, start=ORIGIN, end=LEFT, radius=0.05, color=WHITE, **kwargs):
	start = np.array(start)

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