CubicBezier

Qualified name: manim.mobject.geometry.arc.CubicBezier

class CubicBezier(start_anchor, start_handle, end_handle, end_anchor, **kwargs)

Bases: VMobject

A cubic Bézier curve.

Example

Example: BezierSplineExample

from manim import *

class BezierSplineExample(Scene):
    def construct(self):
        p1 = np.array([-3, 1, 0])
        p1b = p1 + [1, 0, 0]
        d1 = Dot(point=p1).set_color(BLUE)
        l1 = Line(p1, p1b)
        p2 = np.array([3, -1, 0])
        p2b = p2 - [1, 0, 0]
        d2 = Dot(point=p2).set_color(RED)
        l2 = Line(p2, p2b)
        bezier = CubicBezier(p1b, p1b + 3 * RIGHT, p2b - 3 * RIGHT, p2b)
        self.add(l1, d1, l2, d2, bezier)

class BezierSplineExample(Scene):
    def construct(self):
        p1 = np.array([-3, 1, 0])
        p1b = p1 + [1, 0, 0]
        d1 = Dot(point=p1).set_color(BLUE)
        l1 = Line(p1, p1b)
        p2 = np.array([3, -1, 0])
        p2b = p2 - [1, 0, 0]
        d2 = Dot(point=p2).set_color(RED)
        l2 = Line(p2, p2b)
        bezier = CubicBezier(p1b, p1b + 3 * RIGHT, p2b - 3 * RIGHT, p2b)
        self.add(l1, d1, l2, d2, bezier)

Methods

Attributes

animate	Used to animate the application of any method of self.
animation_overrides
color
depth	The depth of the mobject.
fill_color	If there are multiple colors (for gradient) this returns the first one
height	The height of the mobject.
n_points_per_curve
sheen_factor
stroke_color
width	The width of the mobject.

Parameters:

• start_anchor (CubicBezierPoints) –

• start_handle (CubicBezierPoints) –

• end_handle (CubicBezierPoints) –

• end_anchor (CubicBezierPoints) –

_original__init__(start_anchor, start_handle, end_handle, end_anchor, **kwargs)

Initialize self. See help(type(self)) for accurate signature.

Parameters:

• start_anchor (CubicBezierPoints) –

• start_handle (CubicBezierPoints) –

• end_handle (CubicBezierPoints) –

• end_anchor (CubicBezierPoints) –

Return type:

None