ActionScripting Basics: Collision Test Using hitTest

From Adrien-Luc Sanders, former About.com Guide

Take a deep breath, because really, we’ve gotten the hardest part out of the way. We’ve set up our conditions; now we just need to tell Flash what to do when those conditions are met.

After the { of the if statement, insert a simple stop—but modify it as follows:

this.stop( ) ;

We’re specifying that we want to current movie clip to stop dead in its tracks the moment that it touches the target clip.