Yesterday I noticed that some modifier keys cannot be freely used in every case. Shift and Ctrl seem to work only when they are the last key pressed in a combination. For instance, if I have a character that moves with letter W and can move fast if I press shift, it works only if I press W first and then shift. If I press shift first, W is ignored.
I'm using isactionpressed in a fixedprocess. Is there some option I overlooked?