五芒星を動的(ry

by Nowloading_

五芒星の形がおかしいのは座標が適当なだけ。これから、「二点間の距離を均等に割った値」を毎フレーム足している。最初からそうしようよ・・・

♥0 | Line 36 | Modified 2011-08-10 00:50:12 | MIT License

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ActionScript3 source code

/**
 * Copyright Nowloading_ ( http://wonderfl.net/user/Nowloading_ )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/u6kc
 */

package {
    import flash.display.Sprite;
    import flash.events.Event;
    public class FlashTest extends Sprite {
        private var posx:Array = [100,400,200,250,300];
        private var posy:Array = [100,100,300,20,300];
        private var a:Array;
        private var b:Array;
        public function FlashTest() {
            a = new Array();
            b = new Array();
            a[4] = (posx[0] - posx[4]) / 20;
            b[4] = (posy[0] - posy[4]) / 20;          
            for(var i:int = 0;i<4;i++){
                a[i] = (posx[i+1] - posx[i]) / 20;
                b[i] = (posy[i+1] - posy[i]) / 20;
            }

            graphics.lineStyle(3,0xff9999);
            init();           
        }
        private function init():void{
            addEventListener(Event.ENTER_FRAME,oEF);            
        }
        private function oEF(e:Event):void{
            for(var i:int=0;i<5;i++){
                graphics.moveTo(posx[i],posy[i]);
                posx[i] = posx[i] + a[i];
                posy[i] = posy[i] + b[i];
                graphics.lineTo(posx[i],posy[i]);
            }
            if(posx[0] >= 400){
                removeEventListener(Event.ENTER_FRAME,oEF);
            }

           
        }
    }
}