Commit before moving buffer swapping command

src/Loop.hs

@@ -231,6 +231,7 @@ doConLoop' ::
     ---- immediately
     (world -> ConcurrentEffect world) ->
     -- | simulation update. Allows for side effects such as rendering.
+    -- passes the window to allow buffer swapping at different times
     (world -> IO world) ->
     -- | SDL Event handling. Note no side effects.
     (world -> Event -> world) ->