lib/middleware/slipper.rb in tracksperanto-2.9.5 vs lib/middleware/slipper.rb in tracksperanto-2.9.6

@@ -1,10 +1,14 @@
 # -*- encoding : utf-8 -*-
 # Slips the keyframe positions by a specific integer amount of frames, positive values slip forward (later in time). Useful if you just edited some stuff onto
 # the beginning if your sequence and need to extend your tracks.
 class Tracksperanto::Middleware::Slipper < Tracksperanto::Middleware::Base
-  attr_accessor :slip
-  cast_to_int :slip
+  
+  parameter :slip,  :cast => :int, :desc => "Number of frames to slip related to the current frames", :default => 0
+  
+  def self.action_description
+    "Slip all the tracker keyframes in time"
+  end
   
   def export_point(frame, float_x, float_y, float_residual)
     super(frame + @slip.to_i, float_x, float_y, float_residual)
   end
 end