I am trying to follow 'Polygon Runways' Factory Animation Tutorial, but I am stuck at 03:24, notice how the plane curves along the path, when I do it, this is how it behaves, in the tutorial video, it curves inside the object, how do I fix it?
The Curve modifier is sensitive to the locations and orientations of the origins of the curve and the modified object. In the tutorial, they seem to be as shown below:
(In Object Mode: Header > 'Options', you can choose to manipulate the origins of your objects, rather than the objects themselves, including, for example, ShiftS snapping to 3D cursor)
Once those are set, the X array should work as intended, and GX should animate: