i got .as file by some website teach about multitouch , this class can pan , rotate , scale object it can test with simtouch

i not understand about this class .

i want someone help modifier class to have acceletion went finish drag,rotate,scale object

thankyou ! here this .as file

http://www.mediafire.com/download.php?2d7899j4l9xjwov

if someone found a ofter scalerotate class please tell me.