Cone#

Qualified name: manim.mobject.three\_d.three\_dimensions.Cone

class Cone(base_radius=1, height=1, direction=array([0., 0., 1.]), show_base=False, v_range=[0, 6.283185307179586], u_min=0, checkerboard_colors=False, **kwargs)[source]#

Bases: Surface

A circular cone. Can be defined using 2 parameters: its height, and its base radius. The polar angle, theta, can be calculated using arctan(base_radius / height) The spherical radius, r, is calculated using the pythagorean theorem.

Parameters

base_radius (float) – The base radius from which the cone tapers.
height (float) – The height measured from the plane formed by the base_radius to the apex of the cone.
direction (np.ndarray) – The direction of the apex.
show_base (bool) – Whether to show the base plane or not.
v_range (Sequence[float]) – The azimuthal angle to start and end at.
u_min (float) – The radius at the apex.
checkerboard_colors (bool) – Show checkerboard grid texture on the cone.

Examples

Example: ExampleCone ¶

from manim import *

class ExampleCone(ThreeDScene):
    def construct(self):
        axes = ThreeDAxes()
        cone = Cone(direction=X_AXIS+Y_AXIS+2*Z_AXIS, resolution=8)
        self.set_camera_orientation(phi=5*PI/11, theta=PI/9)
        self.add(axes, cone)

Methods

`func`	Converts from spherical coordinates to cartesian.
`get_direction`	Returns the current direction of the apex of the `Cone`.
`set_direction`	Changes the direction of the apex of the `Cone`.

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.

func(u, v)[source]#

Converts from spherical coordinates to cartesian.

Parameters

u (float) – The radius.
v (float) – The azimuthal angle.

Returns

Points defining the Cone.

Return type

numpy.array

get_direction()[source]#

Returns the current direction of the apex of the Cone.

Returns: direction – The direction of the apex.
Return type: numpy.array

set_direction(direction)[source]#

Changes the direction of the apex of the Cone.

Parameters: direction (ndarray) – The direction of the apex.
Return type: None