In this case, I rotate the line around the center of the movie with the code shown below.

在本例中，我用下面所示的代码使这条直线围绕动画的中心旋转。

youdao

youdao

That way, when I rotate the shape, the rotation occurs from the center of the line.

这样，当我在旋转图形时，直线的中心将发生旋转。

youdao

But of course, although it can rotate 360 degrees, the i-limb is still far from measuring up to the real thing.

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