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Revert away from using curve_to_quadratic

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Grant Sanderson
2023-01-18 13:03:23 -08:00
parent 8b3aa8f5c6
commit e20efda3df
1 changed files with 9 additions and 13 deletions
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22
manimlib/mobject/types/vectorized_mobject.py
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@ -1,7 +1,6 @@
from __future__ import annotations
from functools import wraps
from fontTools.cu2qu.cu2qu import curve_to_quadratic
import moderngl
import numpy as np
@ -447,22 +446,19 @@ class VMobject(Mobject):
self.throw_error_if_no_points()
last = self.get_last_point()
# Note, this assumes all points are on the xy-plane
approx_2d = curve_to_quadratic(
[last[:2], handle1[:2], handle2[:2], anchor[:2]],
0.1 * get_norm(anchor - last)
)
if approx_2d is not None and len(approx_2d) % 2 == 1:
approx_3d = np.zeros((len(approx_2d), 3))
approx_3d[:, :2] = approx_2d
v1 = handle1 - last
v2 = anchor - handle2
angle = angle_between_vectors(v1, v2)
if self.use_simple_quadratic_approx and angle < 45 * DEGREES:
quad_approx = [last, find_intersection(last, v1, anchor, -v2), anchor]
else:
approx_3d = get_quadratic_approximation_of_cubic(
quad_approx = get_quadratic_approximation_of_cubic(
last, handle1, handle2, anchor
)
if self.consider_points_equal(approx_3d[1], last):
if self.consider_points_equal(quad_approx[1], last):
# This is to prevent subpaths from accidentally being marked closed
approx_3d[1] = midpoint(*approx_3d[1:3])
self.append_points(approx_3d[1:])
quad_approx[1] = midpoint(*quad_approx[1:3])
self.append_points(quad_approx[1:])
return self
def add_quadratic_bezier_curve_to(self, handle: Vect3, anchor: Vect3):