For some wierd reason the action "set focus off" in the edit box seems to disable the 8 direction movement. I have to say that is one of the most random bugs i've found so far.
It disables it permanantly? or does it work again if you click in the game window with the mouse and try again?
~Sol
This can't possibly be related..
If you click inside the window, does it start working again? Set Focus Off might set focus off the main window too, so it would stop receiving keyboard messages.
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It disables it permanently. It works perfectly with for example the plattform movement.