i called a class but unity editor give me error ?????

Code C#
miss understand
1- here i wrote class called Circle
2- then i called it in another script
3- during i write the code of the food
everything appear automatic

4- error in unity editor
circle don’t have definition of X and y
5- Why ? and how ?

Help !!!

1912754--123384--editro.png

1912754--123381--circle.png

???

MonoBehaviours do not use constructors. Use Start() or Awake().

why ? is there a reason for that ?

It’s just how it is, and what the documentation tells you.