You know - I think there is better and more straight forward fps code in the code archives on this website. I think you should try a few different ones before you settle for one particular method. I had similar problems when I first started until I nailed down some code that did things more along the lines so how I imagined.
Sometimes you just end up with a scrappy piece of code that works because you made it work out of sheer grief in the end - but it can be real ugly!
Sometimes you just end up with a scrappy piece of code that works because you made it work out of sheer grief in the end - but it can be real ugly!