~Since we define the wing tip as the point farther from the center, it can consider the antennae the wing tip when the antennae was not removed properly.~ Kinda solved: in my tests, the antennae were not larger than the wings.
~It does not seem to be as precise as I would expect.~ Solved: I had doubts related to the outer point in the right side; it turns out that the center point needed to be adapted.
Implements external tip of the wings according to the centroid of the region.