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Update Arc to make sense with new path structure

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This commit is contained in:
Grant Sanderson 2023-01-11 14:19:57 -08:00
parent 21908a48de
commit 55bc8464b9
1 changed files with 6 additions and 15 deletions
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21
manimlib/mobject/geometry.py
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@ -225,22 +225,13 @@ class Arc(TipableVMobject):
angle: float,
start_angle: float = 0,
n_components: int = 8
) -> Vect3:
samples = np.array([
[np.cos(a), np.sin(a), 0]
for a in np.linspace(
start_angle,
start_angle + angle,
2 * n_components + 1,
)
])
) -> Vect3Array:
n_points = 2 * n_components + 1
angles = np.linspace(start_angle, start_angle + angle, n_points)
points = np.array([np.cos(angles), np.sin(angles), np.zeros(n_points)]).T
# Adjust handles
theta = angle / n_components
samples[1::2] /= np.cos(theta / 2)
points = np.zeros((3 * n_components, 3))
points[0::3] = samples[0:-1:2]
points[1::3] = samples[1::2]
points[2::3] = samples[2::2]
points[1::2] /= np.cos(theta / 2)
return points
def get_arc_center(self) -> Vect3: