Forked from:: ton's ワープっぽいなにか

Like Warp ver.LITE

サイトにこれ使ってみたけど、このくらいの重さならセーフ・・・？
http://ton-up.net/

forked:3
favorite:24
lines:48
license : All rights reserved
modified : 2010-02-26 01:44:02

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// forked from ton's ワープっぽいなにか
/*
サイトにこれ使ってみたけど、このくらいの重さならセーフ・・・？
http://ton-up.net/
*/

package {
    import flash.display.Sprite;
    import flash.events.Event;
    import flash.geom.Point;
    [SWF(width=465, height=465, frameRate=30, backgroundColor=0x000000)]
    public class Warp extends Sprite {
        private const R:int = 5000;
        private const DEPTH:int = 3000;
        private const SIZE:int = 200;
        private const N:int = 3;
        private const SPEED:Number = 40;
        private var list:Array = []; 
        public function Warp() {
        		stage.quality = "low";
        		transform.perspectiveProjection.fieldOfView = 175;
            addEventListener(Event.ENTER_FRAME, onEnterFrameHandler);
        }
                  
        private function onEnterFrameHandler(e:Event):void {
        		transform.perspectiveProjection.projectionCenter = new Point(mouseX, mouseY);
            var sp:Sprite;
            var cnt:int = 0;
            for each(sp in list){
            		if(sp.z > 0){
            			 sp.z -= SPEED;
            			 if(sp.z <= 0) removeChild(sp);
            		}else if(cnt++ < N){
            			 sp.z = DEPTH;
            			 addChild(sp);
            		}
            }
            
            if(cnt < N){
            		for(var i:int = cnt; i < N; i++){
		            sp = new Sprite();
		            sp.graphics.beginFill(Math.random()*0xffffff);
		            sp.graphics.drawRect(-SIZE/2, -SIZE/2, SIZE, SIZE);
		            sp.graphics.endFill();
		            var rad:Number = Math.random() * 2 * Math.PI;
		            sp.x = R * Math.cos(rad);
		            sp.y = R * Math.sin(rad);
		            sp.z = Math.random() * 100 + DEPTH;
		            sp.rotationX = 180-Math.atan2(sp.y, sp.x) * 180 / Math.PI;
		            sp.rotationY = 90;
		            list.push(sp);      
            		}
            }           
        }
    }
}

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