flash on 2009-2-5

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

by nori_kun_1102 05 Feb 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; 

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; 

    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 < 50; i ++) 
        { 
        bl[i] = new MovieClip(); 
            bl[i].graphics.beginGradientFill("radial",[0x336600,0xF7004A],[0xFF,0xFF],[0x00,0x80]); 
        bl[i].graphics.drawCircle(0,0,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 < 50; 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 ; 
    } 

        var bd:BitmapData = r.bitmapData; 

    bd.fillRect(rect,0x00FFFFFF); 
    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)); 
    } 
} 
}