Manim Changing

The changing VMobject object in Manim is defined in changing.py.

Codes in Changing.py

Available codes defined in manimlib.mobject.changing.py

Two classes, AnimatedBoundary(VGroup), and TracedPath(VMobject) are defined.

Import

from manimlib.constants import *
from manimlib.mobject.types.vectorized_mobject import VMobject
from manimlib.mobject.types.vectorized_mobject import VGroup
from manimlib.utils.rate_functions import smooth
from manimlib.utils.space_ops import get_norm

Class AnimatedBoundary(VGroup)

class manimlib.mobject.changing.AnimatedBoundary(VGroup)version 19Dec2019

Configuration

    CONFIG = {
        "colors": [BLUE_D, BLUE_B, BLUE_E, GREY_BROWN],
        "max_stroke_width": 3,
        "cycle_rate": 0.5,
        "back_and_forth": True,
        "draw_rate_func": smooth,
        "fade_rate_func": smooth,
    }

Functions

• def __init__(self, vmobject, **kwargs)
• def update_boundary_copies(self, dt)
• def full_family_become_partial(self, mob1, mob2, a, b)

Class TracedPath(VMobject)

class manimlib.mobject.changing.TracedPath(VMobject)version 19Dec2019

Configuration

    CONFIG = {
        "stroke_width": 2,
        "stroke_color": WHITE,
        "min_distance_to_new_point": 0.1,
    }

Functions

• def __init__(self, traced_point_func, **kwargs)
• def update_path(self)

Source and Reference

https://github.com/3b1b/manim19Dec2019