forked from: wave01

by keno42 18 Aug 2009

Embed

/**
 * Copyright keno42 ( http://wonderfl.net/user/keno42 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/azJ5
 */

// forked from syunki's wave01
package {
    import flash.display.Sprite;
    import flash.events.Event;

    [SWF(width="465", height="465", backgroundColor="0x000000", frameRate="30")]
    public class FlashTest extends Sprite {

        private var time:int = 0;
        private var pos:Array = [];
        private const NUM:int = 150;
 
        public function FlashTest() {
            // write as3 code here..

            Init();

        }
        
        private function Init():void {
            time= 0;
            addEventListener(Event.ENTER_FRAME, Draw);
            for( var i:int = 0;i <= NUM ; i++ ){
                pos.push([230,230]);
            }
       }

        private function Draw(event:Event):void {
            graphics.clear();
            graphics.lineStyle(1, 0xFFFFFF);
            pos[0]= [230 + Math.cos( time / 10) * 150, 230 + Math.sin(time / 10) * 150];
            for (var i:int = 1; i <= NUM; i++) {
                pos[i][0] += (1-(0.25+0.5*(i/NUM))) * (pos[i-1][0] - pos[i][0]);
                pos[i][1] += (1-(0.25+0.5*(i/NUM))) * (pos[i-1][1] - pos[i][1]);
                graphics.beginFill(0x00FFFF);
                graphics.drawCircle(pos[i][0], pos[i][1], 1+5*(1-(i/NUM)));
                graphics.endFill();
            }
            time++;   
        }
    }
}