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Multiple rectangles with resize controllers


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I started playing around with PIXI.js and I want to create a simple Rectangle with controllers on the corners. After a mouse click on the rectangle it changes the color to orange and 4 of the controllers show up. The controllers allow to change size of the Rectangle. 


My first thought was to create my own abstract class Rectangle.
Class Product extends my Rectangle class.
I will add Product to entities list and draw all of them by PIXI.Graphics object.
Example: https://codesandbox.io/s/async-brook-ul1hh?file=/src/index.ts

Is it a good solution to solve that problem?
Should I use sprites if I want to draw +/- 2000 rectangles?
If yes what about losing quality after resizing?
Where should I add the controllers?

If any of you know how to solve this, please share with me your thoughts. Thank you very much in advance.

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