Game Development Reference
27. Create Rectangles for both leaves of the door and group each one (into two
groups). Now, double-click on each group to edit it and Push/Pull each into
shape as shown here.
28. Move them aside to open the doors.
29. Move them back against the face of the building.
30. Now, create a rectangle on the face above the door. Push / Pull it out a litle further
than the doors as you can see here.