forked from: forked from: forked from: Blobs

Blobs (1,300bytes effect)
by Mr.doob

by Limeflash 24 Dec 2009

Embed

// forked from rigard's forked from: forked from: Blobs
// forked from hacker_ipz6imuw's forked from: Blobs
// forked from mrdoob's Blobs
//
// Blobs (1,300bytes effect)
// by Mr.doob
//

package
{
import flash.display.Stage;
import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.MovieClip;
import flash.filters.BlurFilter;
import flash.geom.ColorTransform;
import flash.utils.getTimer;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.events.Event;

[SWF( backgroundColor='0x000000', frameRate='30', width='400', height='400')]

public class Blobs extends Sprite
{
    private var bl : Array = [];
    private var r : Bitmap;
    private var c : Sprite;
    private var rect : Rectangle;
    private var point : Point = new Point;
    private var num:uint = 10;

    public function Blobs()
    {
        addEventListener(Event.ADDED_TO_STAGE, init);
    }

    public function init( e : Event ) : void
    {
        removeEventListener(Event.ADDED_TO_STAGE, init);

        stage.align = "TL";
        stage.scaleMode = "noScale";

        c = new Sprite();
        c.filters = [new BlurFilter(30,30,1)];
        addChild(c);

        r = new Bitmap( new BitmapData( stage.stageWidth, stage.stageHeight, false, 0x00FFFFFF ) );
        r.smoothing = true;
        addChild(r);
 
        for (var i:Number = 0; i < num; i ++)
        {
	    bl[i] = new MovieClip();
            bl[i].graphics.beginGradientFill("radial",[0x9d8324,0x000000],[0xFF,0x00],[0x00,0x80]);
	    bl[i].graphics.drawCircle(0,0, 100+Math.random()*50+25);
	
	    bl[i].x = Math.random() * stage.stageWidth;
	    bl[i].y = Math.random() * stage.stageHeight;
	    bl[i].cycle = Math.random() * 100000;
	
	    c.addChild(bl[i]);
        }

        rect = new Rectangle(0,0,stage.stageWidth, stage.stageHeight);

        addEventListener( Event.ENTER_FRAME, u );
    }

    public function u(e : Event) : void
    {
		for (var i:Number = 0; i < num; i ++)
		{
	        var blm:MovieClip = bl[i];
			blm.x += Math.sin( ( getTimer() + blm.cycle ) * .001 ) * 2;
			blm.y += Math.cos( ( getTimer() + blm.cycle ) * .001 ) * 2;
			blm.scaleX = blm.scaleY += Math.sin( ( getTimer() + blm.cycle ) *.001 ) *.015 ;
		}
		
		//return;
		
        var bd:BitmapData = r.bitmapData;
	
		bd.fillRect(rect,0xff000000);
		bd.draw(c);
		bd.threshold(bd,rect,point,">",0x000800000,0xFFFFFFFF,0x00808080,true);

        	var cTransform:ColorTransform = new ColorTransform();
		cTransform.alphaMultiplier = 0.99;
		cTransform.greenMultiplier = 2.95;
		cTransform.redMultiplier = 2.11;
		bd.colorTransform(rect, cTransform);

        bd.applyFilter(bd, rect, new Point(), new BlurFilter(8, 8));
    }
}
}