manim_express

Requirements

manimgl>=1.3.0
manim>=0.13.1
sparrow_tool
fake_headers
requests
# helium
# pyperclip

English | 中文说明

Install

pip install manim_express

Quick start

Render an animation: 3b1b:SquareToCircle
```
from manimlib import *
from manim_express import EagerModeScene

scene = EagerModeScene()
circle = Circle()
circle.set_fill(BLUE, opacity=0.5)
circle.set_stroke(BLUE_E, width=4)

square = Square()
scene.play(ShowCreation(square))
scene.play(ReplacementTransform(square, circle))

scene.hold_on()
```
Operating graphics:
- hold down the d key or mouse left on the keyboard and move the mouse to change the three-dimensional perspective.
- hold down the s key or mouse right on the keyboard and move the mouse to pan the screen
- hold down the z or ctrl on the keyboard while scrolling the middle mouse button to zoom the screen
- scroll the middle mouse button to move the screen up and down
- reset camera view by pressing r
- close the window and exit the program by pressing q or tab
- pause the animation by pressing space or ctrl
- previews animation clip by pressing LEFT
- next animation clip: RIGHT
- replay current animation clip: DOWN

manim_express vs Matplotlib:
In some cases, you may need to install LaTeX to render tex fonts.
Fortunately, online latex compilation option is available. Just set SceneArgs.use_online_tex=True

from manimlib import *
from manim_express import *
import numpy as np
CONFIG.use_online_tex = True # Use online latex compiler

theta = np.linspace(0, 2*np.pi, 200)
x = np.cos(theta)
y = np.sin(theta)

# matplotlib
# import matplotlib.pyplot as plt
# plt.plot(x, y, color='green', linewidth=2)
# plt.axis("equal")
# plt.show()

# manim_express
scene = EagerModeScene()
scene.plot(x, y, color=GREEN, width=2, scale_ratio=1)
scene.show_plot()

scene.hold_on()

Resources

Examples

Bezier curve
GOA model
GOA
Apply function
Double pendulum

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