please format your code posting by pasting it into the
</> code button
of the editor header menu ( context name: Preformatted text )
it looks like
```
type or paste code here
```
also can use the ``` manually above and below your code.
thank you.
now we need you to REPAIR your above CODE POSTING,
not make a new / better post.
( just think about the hundred peoples opening your topic in the future )
xSpeed = -0.5;
what is the difference?