flash on 2010-12-15

/**
 * Copyright yama3 ( http://wonderfl.net/user/yama3 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/an6b
 */

package {
    import flash.display.*;
    import flash.filters.*;
    import flash.text.*;
    import flash.events.*;
    import flash.geom.*;
    import org.libspark.betweenas3.BetweenAS3;
    
    [SWF(backgroundColor="0xffffff", frameRate="30", width="465", height="465")]
    
    public class FlashTest extends Sprite {
        private var first: eyeball;
        private var obj: eyeball;
        private var mousePoint: Point;
        private var objs: int;
        
        private function add(o:eyeball):void
        {
            o.x = Math.random() * stage.stageWidth;
            o.y = Math.random() * stage.stageHeight;
            if(first) obj = obj.next = o;
            else obj = first = o;
            BetweenAS3.delay(
                BetweenAS3.serial(
                    BetweenAS3.to(o, {x:o.defaultX, y:o.defaultY, cnt:100},0.5)
                ), objs++ * 0.01
            ).play();
        }

        
        public function FlashTest() {
            var tf:TextField = new TextField();
            tf.textColor = 0x000000;
            tf.text = "Hello\nWorld!!";
            tf.autoSize = "left";
            var bd:BitmapData = new BitmapData(tf.width, tf.height, false, 0x3399ff);
            bd.draw(tf);
            bd.applyFilter(bd, bd.rect, new Point(), new BlurFilter());
            bd.draw(tf);
            var dx:int = stage.stageWidth-350 >> 1, dy:int = stage.stageHeight-340 >> 1;
            for(var ix:uint=0; ix<35;ix++) {
                for(var iy:uint=0; iy<34; iy++) {
                    add(new eyeball(bd.getPixel(ix, iy), ix * 10 + dx, iy * 10 + dy, 4, 20));
                }
            }
            mousePoint = new Point(mouseX, mouseY);
            mouseChildren = mouseEnabled = false;
            addEventListener(Event.ENTER_FRAME, frame);            
        }
        private function frame(e:Event):void
        {
            mousePoint.x = mouseX, mousePoint.y = mouseY;
            var o:eyeball = first;
            do {
                o.run(mousePoint);
            }
            while(o = o.next);
        }
    }
}

import flash.display.*;
import flash.geom.Point;

class eyeball extends Sprite
{
    public var defaultX:uint, defaultY:uint;
    public var cnt:int;
    private var r:uint;
    private var s:uint;
    private var dpoint:Point;
    private var next:eyeball;
    
    function eyeball(color:uint, arg_x:uint, arg_y:uint, arg_r:uint, arg_s:uint)
    {
        dpoint = new Point(dafaultX = arg_x, dafaultY = arg_y);
        r = arg_r;
        s = arg_s;
        
        graphics.beginFill(color, 0.75);
        graphics.drawCircle(0, 0, r);
        graphics.endFill(); 
    }
    
    public function run(mousePoint:Point):void
    {
        if(cnt < 99) return;
        var dist:Number = Point.distance(dpoint, mousePoint);
        var p:Point = Point.polar((dist<s) ? dist:s, -Math.atan2(defaultX - mousePoint.x, dafaultY-mousePoint.y) - 90 * Math.PI / 180);
        x = p.x + defaultX, y = p.y + dafaultY;
    }


}