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Make alignment between VMobjects conducive to smoother interpolation

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This commit is contained in:
Grant Sanderson 2023-01-31 20:15:48 -08:00
parent d3a4d81a63
commit f858a439dd
1 changed files with 6 additions and 1 deletions
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7
manimlib/mobject/types/vectorized_mobject.py
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@ -890,6 +890,11 @@ class VMobject(Mobject):
# Figure out what the subpaths are, and align # Figure out what the subpaths are, and align
subpaths1 = self.get_subpaths() subpaths1 = self.get_subpaths()
subpaths2 = vmobject.get_subpaths() subpaths2 = vmobject.get_subpaths()
for subpaths in [subpaths1, subpaths2]:
subpaths.sort(key=lambda sp: -sum(
get_norm(p2 - p1)
for p1, p2 in zip(sp, sp[1:])
))
n_subpaths = max(len(subpaths1), len(subpaths2)) n_subpaths = max(len(subpaths1), len(subpaths2))
# Start building new ones # Start building new ones
@ -898,7 +903,7 @@ class VMobject(Mobject):
def get_nth_subpath(path_list, n): def get_nth_subpath(path_list, n):
if n >= len(path_list): if n >= len(path_list):
return [path_list[-1][-1]] return np.vstack([path_list[0][:-1], path_list[0][::-1]])
return path_list[n] return path_list[n]
for n in range(n_subpaths): for n in range(n_subpaths):