displace_mc.createEmptyMovieClip("perlin", 2);

var ramp:MovieClip = displace_mc.ramp;

ramp.swapDepths(2);

var speed = 19; 

var channel = 1;

var mode = "clamp";

var flapY = 20;

var flapX = 0.6;

var offset = new flash.geom.Point(-30, 0);

var displaceBitmap:flash.display.BitmapData = new flash.display.BitmapData(ramp._width, ramp._height);

var displaceFilter:flash.filters.DisplacementMapFilter = new flash.filters.DisplacementMapFilter(displaceBitmap, offset, channel, channel, flapX, flapY, mode);

var baseX = 70; 

var baseY = 0; 

var octs = 1; 

var seed = Math.floor(Math.random() * 50); 

var stitch = true; 

var fractal = true; 

var gray = false;

var noiseBitmap:flash.display.BitmapData = new flash.display.BitmapData(500, 1);

noiseBitmap.perlinNoise(baseX, baseY, octs, seed, stitch, fractal, channel, gray);

var shift:flash.geom.Matrix = new flash.geom.Matrix();

onEnterFrame = function(Re){

 

 

        shift.translate(speed, 12);

 

 

        with (displace_mc.perlin){

                clear();

                beginBitmapFill(noiseBitmap, shift);

                moveTo(0,0);

                lineTo(ramp._width, 0);

                lineTo(ramp._width, ramp._height);

                lineTo(0, ramp._height);

                lineTo(0, 0);

                endFill();

        }

 

 

        displaceBitmap.draw(displace_mc);

 

        flag_mc.filters = [displaceFilter];

}

ramp.swapDepths(2);

this.ramp.swapDepths(-10000);