Chamging . into * in 2d array

Question

I have a map in which X indicates a wall, . indicates path, and G is a point where we need to get...i need to change all . into * if they are directly from G to outside of that array(map)

Answer 1

Kristian Drežnjak , not quite clear what your problem is. if the issue is coding related, please show us your attempt. put the code in playground and link it here. thanks!

Answer 2

i didn't get your question

Answer 3

Lothar pls check DM