         @_animateTo(
                      p,
                      StreetDirection.VERTICAL,
-                     Orientation.TOP,
+                     Orientation.UP,
                      callback
                    )
       @currentStreetDirection = StreetDirection.VERTICAL

        @_animateTo(
                     p
                     StreetDirection.VERTICAL,
                     Orientation.BOTTOM,
                     callback
                   )
      else

    @VERTICAL = 2

  class Orientation
    @UP = 0
    @RIGHT = 1
    @DOWN = 2
    @LEFT = 3

  constructor: (source, grid) ->
