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fix: animations process correctly with 3d object with opengl as renderer #4316

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fix: animations process correctly with 3d object with opengl as renderer #4316

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fix: animations process correctly with 3d object with opengl as renderer
KoiFeur Jun 27, 2025
25e8b1d
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jun 27, 2025
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9 changes: 9 additions & 0 deletions manim/mobject/opengl/opengl_mobject.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2481,6 +2481,15 @@ def align_data(self, mobject: OpenGLMobject) -> Self:
for key in mob1.data.keys() & mob2.data.keys():
if key == "points":
continue

# here we fixe the case when some transform function make the whole thing crashes
# it appears that in some cases a float or int is processed as an array so here change it with an ndarray of a single number
# that make the whole thing process correctly
if type(mob1.data[key]) == float or type(mob1.data[key]) == int:
mob1.data[key] = np.array([mob1.data[key]])
if type(mob2.data[key]) == float or type(mob2.data[key]) == int:
mob2.data[key] = np.array([mob2.data[key]])

arr1 = mob1.data[key]
arr2 = mob2.data[key]
if len(arr2) > len(arr1):
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