Squeak Class Documentation category index | class index  
 
UndoPositionChange
  category: Balloon3D-Wonderland Undo
  superclass: Object
  subclasses:

This class undoes actor motion.

instance methods
  accessing
  setActor:andOriginalPosition:

  undoing
  undoIt

class methods
  instance creation
  for:from:

instance methods
  accessing top  
 

setActor:andOriginalPosition:

Set the original position to undo back to

  undoing top  
 

undoIt

Move the object back to its original position

class methods
  instance creation top  
 

for:from:

Create a new UndoPositionChange instance using position as the original position