Fix OpenGL interpolation shape mismatch causing crashes with skipped animations

[SHARANcanCODE]

Description

This PR fixes issue #4240 where using next_section(skip_animations=True) or very short run times with the OpenGL renderer would cause a ValueError crash due to shape mismatches during interpolation.

Problem Analysis

The issue occurred in the OpenGL mobject interpolation method when:

• Animations were skipped or had very short run times
• The Write animation was used (though other animations could be affected)
• The OpenGL renderer attempted to interpolate between mobjects with mismatched data shapes
• Specifically: ValueError: could not broadcast input array from shape (27,3) into shape (3,3)

Changes Made

• Added shape compatibility validation before interpolation in OpenGLMobject.interpolate()
• Implemented graceful handling of shape mismatches by resizing target arrays when needed
• Added fallback mechanism that uses mobject2 data when interpolation fails
• Added comprehensive error handling for ValueError and TypeError during interpolation
• Preserves normal animation functionality while preventing crashes

Testing

• Verified that shape validation logic works correctly
• Tested fallback mechanisms with different shape scenarios
• The original failing code should now work without crashing

Fixes

Closes #4240

Example Usage

The following code (from the original issue) should now work without crashes:

from manim import *

class MyScene(Scene):
    def construct(self):
        self.next_section(skip_animations=True)
        c = Circle(color=RED, fill_opacity=1)
        self.play(Write(c))
        self.wait(2)
        self.next_section()
        s = Square(color=GREEN_B)
        self.play(Create(s))
        self.wait(1)

And this minimal reproduction case should also work:

from manim import *

class MyScene(Scene):
    def construct(self):
        c = Circle(color=RED, fill_opacity=1)
        self.play(Write(c), run_time=0.02)  # Very short run time

[henrikmidtiby]

Thanks for your contribution.

It seems like your changes from PR #4414 are also included in this PR.
Could you please remove the changes in the file manim/mobject/graphing/number_line.py for this PR?

The change to opengl_mobject.py also triggers these two mypy errors.

manim/mobject/opengl/opengl_mobject.py:2694: error: Item "tuple[float, ...]" of "Any | tuple[float, float, float]" has no attribute "shape"  [union-attr]
manim/mobject/opengl/opengl_mobject.py:2698: error: Item "tuple[float, ...]" of "Any | tuple[float, float, float]" has no attribute "copy"  [union-attr]
Found 2 errors in 1 file (checked 166 source files)

I would suggest you to ignore these errors for now, by inserting this comment at the end of the two lines.

# type: ignore[union-attr]

Your changes solve the reported issue #4240 and passes the suite of unit tests, so they looks good to me.