What is the name of the method that defines Clamping on an object?

Question

Unity

public void OnDrag(PointerEventData eventData)
    {
        Debug.Log("OnDrag");
        vector2 = Camera.main.ScreenToWorldPoint(eventData.position);
        rigidbody2D.MovePosition(vector2);
    }

And that is, here is such a code and it seems to work, but if you stop moving the mouse, the object starts to fall. And on the Internet there is only info and pressing

Answer 1

You can try to track the position of the mouse and make a timer. If for example 2 seconds the mouse does not change its position or does not change much from the previous point, then the object falls. Try this logic