Didier Brun again amazes with his experiments on ActionScript3. In a nutshell,
he developed an algorithm for recognizing mouse movement on AS3 . Those. mouse, you draw a letter, a number (symbol) - it automatically appears in the text field.

Download the source
here.')
I remember there was a program (honestly, I do not remember the name), with which it was possible to control the system using certain mouse movements - such as turning the computer on and off, running programs, etc.
By the way, such a recognizer is included in the list of standard programs in Windows Vista.
Hmm ... now it's easy enough to implement in ActionScript3 ...
PS Now let someone try to say that Flash is just banners and Masyanya