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Add smarter default radius to round_corners

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This commit is contained in:
Grant Sanderson 2022-04-25 10:26:29 -07:00
parent aaea3f40f6
commit 4c1210b3ab
1 changed files with 9 additions and 1 deletions
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10
manimlib/mobject/geometry.py
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@ -895,7 +895,15 @@ class Polygon(VMobject):
def get_vertices(self) -> list[np.ndarray]:
return self.get_start_anchors()
def round_corners(self, radius: float = 0.5):
def round_corners(self, radius: float | None = None):
if radius is None:
verts = self.get_vertices()
min_edge_length = min(
get_norm(v1 - v2)
for v1, v2 in zip(verts, verts[1:])
if not np.isclose(v1, v2).all()
)
radius = 0.25 * min_edge_length
vertices = self.get_vertices()
arcs = []
for v1, v2, v3 in adjacent_n_tuples(vertices, 3):