Using Slider to Drag the Pointer Around - Part II

The following shows another version of using a slider to drag the pointer.

http://iln.cite.hku.hk/com/1374/users/ckcheung5/drag_moving_final3.swf





In this version, I make use of a command 'attachMovie' to show the required reduced bearing. But I have to prepare 8 movie clips for the eight different kinds of bearing. I think there should be a simpler method.