title: NSOperation queue problems
body: <p>hello i have 2 methods which are accessing on the same method redrawView those are moveThePlayerWithDeltasAndQueue
  and 
  movethePlayerAroundYAxisAndQueue
  i would like to use an operation queue like in the commented code but i have no fortune to run it well what is the right way for build the queue and let work them right  ? </p>
  
  <p><a href="http://pastebin.com/DfS7p6FM" rel="nofollow noreferrer">http://pastebin.com/DfS7p6FM</a></p>