JavaFX多边形翻译，旋转，缩放及其要点

I ran into a strange issue with the polygon class from javafx (java 8). When I apply a set translate, rotate or scale on the polygon instance it is correctly moving the polygon around on my shape. The problem is, the points in the getPoints() method stay the same. I started now to create my own methods and moving around the points and resetting them, the methods do what they should, but is it the right way?I ran into a strange issue with the polygon cla