Global fog is broken

#314 shows the map working correctly.

Now it looks like this:
Before fog:
![image](https://github.com/user-attachments/assets/aff4bea6-8b80-4657-b7ae-a115342ff04f)
After fog:
![image](https://github.com/user-attachments/assets/6f150223-f15f-40c6-b354-2303ec300d18)