unity stucking when i use While repeat structure

[methos5k]

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Okay, onto your issue… If I understood you correctly, you want to disallow diagonal movement?
You can move up, down , left , or right, but not a combination?

I would say you can solve that by doing this:

if(v != 0) {
   // move up/down
   // just don't write any code that deals with 'h'
  }
else {
    if(h != 0) {
         // here you could only be moving left / right
       }
  }

As mentioned, while I was posting, the obvious problem was that you were stuck in the while loop because ‘v’ never changes. Be sure to delete that code.