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Add VMobject.subdivide_intersections

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This commit is contained in:
Grant Sanderson 2023-01-12 21:05:19 -08:00
parent de4a56849e
commit a2f3758a7a
1 changed files with 23 additions and 0 deletions
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23
manimlib/mobject/types/vectorized_mobject.py
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@ -34,6 +34,7 @@ from manimlib.utils.space_ops import cross2d
from manimlib.utils.space_ops import earclip_triangulation
from manimlib.utils.space_ops import get_norm
from manimlib.utils.space_ops import get_unit_normal
from manimlib.utils.space_ops import line_intersects_path
from manimlib.utils.space_ops import midpoint
from manimlib.utils.space_ops import normalize_along_axis
from manimlib.utils.space_ops import z_to_vector
@ -566,6 +567,28 @@ class VMobject(Mobject):
vmob.set_points(np.vstack(new_points))
return self
def subdivide_sharp_curves(
self,
angle_threshold: float = 30 * DEGREES,
recurse: bool = True
):
def tuple_to_subdivisions(b0, b1, b2):
angle = angle_between_vectors(b1 - b0, b2 - b1)
return int(angle / angle_threshold)
self.subdivide_curves_by_condition(tuple_to_subdivisions, recurse)
return self
def subdivide_intersections(self, recurse: bool = True):
path = self.get_anchors()
def tuple_to_subdivisions(b0, b1, b2):
if line_intersects_path(b0, b1, path):
return 1
return 0
self.subdivide_curves_by_condition(tuple_to_subdivisions, recurse)
return self
def add_points_as_corners(self, points: Iterable[Vect3]):
for point in points:
self.add_line_to(point)