Beautifl - Flash Gallery

      // forked from yd_niku's forked from: [1日1Wonderfl]9日目:メッシュ的なもの
// forked from yd_niku's [1日1Wonderfl]9日目:メッシュ的なもの
package {
    import flash.display.*;
    import flash.events.*;
    import flash.geom.*;
    import flash.filters.*;
    public class FlashTest extends Sprite {
        private var canvas :BitmapData;
        private var particles:Vector.<Particle> = new Vector.<Particle>();
        public function FlashTest() {
            var fieldWidth:Number = stage.stageWidth - 100;
            var fieldHeight:Number = stage.stageHeight - 100;
            
            var centerX:Number = stage.stageWidth/2;
            var centerY:Number = stage.stageHeight/2;
            
            var radius:Number = 180;
            var angle:Number = 2*Math.PI;

            for( var i :int =0; i<10000; ++i ) {
                //for( var j:int =0;j<200; ++j ) {
                var a:Number = Math.random()*angle;
                    particles.push(
                        new Particle(
                            Math.random() * radius * Math.sin( a ) + centerX,
                            Math.random() * radius * Math.cos( a ) + centerY
                        )
                    );
                //}
            }
            
            addChild( new Image() );
            
            canvas = new BitmapData( stage.stageWidth, stage.stageHeight, true, 0x00FFFF00 );
            var container:DisplayObject = addChild( new Bitmap(canvas) );
            addEventListener( Event.ENTER_FRAME, onUpdate );
            
            //container.blendMode = BlendMode.MULTIPLY;
            //container.blendMode = BlendMode.ADD;
            container.blendMode = BlendMode.OVERLAY;
            
            setStartPoint();
        }
        private function setStartPoint():void{
            var centerX:Number = stage.stageWidth>>1;
            var centerY:Number = stage.stageHeight>>1;
            for each( var p:Particle in particles ){
               // p.x = centerX;
               // p.y = centerY;
            }
        }
        private var origin:Point = new Point();
        private var blur:BlurFilter = new BlurFilter();
        private var ctf:ColorTransform=new ColorTransform(1,1,1, 0.9, 2, 2, -4, 0);
        private function onUpdate( e:Event ):void {
            for each ( var p:Particle in particles ) {
                var dx:Number = mouseX - p.x;
                var dy:Number = mouseY - p.y;
                var far:Number = Math.sqrt( dx*dx +dy*dy );
                var idx:Number = dx/far * 180/far;
                var idy:Number = dy/far * 350/far;
                p.vx = p.vx*0.99+ idx;
                p.vy = p.vy*0.99+ idy;
                
                p.x += (p.ax-(p.x+p.vx))*0.02;
                p.y += (p.ay-(p.y+p.vy))*0.02;
            }
            
            canvas.lock();
            //canvas.fillRect( canvas.rect, 0xFFFFFFFF );
            canvas.colorTransform( canvas.rect, ctf );
            for each ( p in particles ) {
                canvas.setPixel32( p.x, p.y, 0xFFFFCC33 );
            }
            canvas.applyFilter( canvas, canvas.rect, origin, blur );
            canvas.unlock();
        }
    }
}

internal class Particle {
    public var x:Number = 0;
    public var y:Number = 0;
    public var vx:Number = 0;
    public var vy:Number = 0;
    public var ax:Number = 0;
    public var ay:Number = 0;
    public function Particle( x:Number, y:Number ){
        this.x = this.ax = x;
        this.y = this.ay = y;
    }
}

import flash.events.*;
import flash.display.*;
import flash.system.*;
import flash.net.*;

class Image extends Loader{
    public function Image (){
       var img: String = 
       "http://assets.wonderfl.net/images/related_images/d/da/da89/da89d3a27fa31284b0afc58fdf4ef6e337349653";
       addEventListener( Event.COMPLETE, onLoadComplete );
       load( new URLRequest(img), new LoaderContext(true) );
    }
    public function onLoadComplete(e:Event):void{
        
    }
}