Download the Flag.as class and save it in your project directory.
Download the USFlag project and save it in the same directory.
The code for the Flag class is shown below:
package {
import flash.display.*;
import flash.geom.*;
import flash.filters.*;
import flash.events.*;
public class Flag extends MovieClip {
var bm:BitmapData;
var disp:DisplacementMapFilter;
var pt1:Point = new Point(0,0);
var pt2:Point = new Point(0,0);
var perlinOffset:Array = [pt1, pt2];
var v:Number = 0;
var mySprite:Sprite = new Sprite();
public function Flag() {//constructor
bm=new BitmapData(this.width, this.height);
disp=new DisplacementMapFilter(bm,new Point(0,0),1,2,10,60);
addEventListener(Event.ENTER_FRAME, frames);
}
function frames(e:Event):void {
bm.perlinNoise(bm.width,bm.height,2,5,false,true,7,false,[new Point(v,0),new Point(v,0)]);
this.filters = [new DisplacementMapFilter(bm,new Point(0,0),1,1,30,30,"color")];
v += 10;
}
} //class
} //package
