Sourcebits Blog

ActionScript 3 Tips – part I

This will be an updated post on ActionScript 3 tips.

1. How do I remove all the children from a DisplayObject (MovieClip etc)?

while (my_mc.numChildren) {
my_mc.removeChildAt(0);
}

2. How do I instantiate a class dynamicall?

import flash.utils.getDefinitionByName;

var cs:String = ‘Part_’+i;
var DynamicClass:Class = flash.utils.getDefinitionByName(cs) as Class;
var tc:* = new DynamicClass();

3. How do I create a mirror image of a MovieClip?

my_mc.scaleX = -1; // mirror image
my_mc.scaleX = 1; // back to normal