This is my last post in this topic because it s far from the original question. There is no more “baccalaureat” so i can share my work to help.
Here…sorry it s in French …The final report of this project. I am sure it s a good exemple for those who are learning. It contains the entire code, exept images. If you want to make it work. Just paste and copy. Delete Title section ( Setup, Draw…etc…)