flash on 2010-2-25

/**
 * Copyright 084 ( http://wonderfl.net/user/084 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/cZRu
 */

/*ただ単純にsin波とcos波の波線を２つ同時に表示しようと思ったんですが、
なぜかこんなんになってしまったのです。すみません。どなたかよろしくお願いします。*/
package {
import flash.display.Sprite;
import flash.events.Event;
	public class Wave extends Sprite {
		private var angle:Number = 0;
		private var centerY:Number = 200;
		private var range:Number = 50;
		private var xspeed:Number = 1;
		private var yspeed:Number = .05;
		private var xpos:Number;
		private var ypos:Number;
		
		private var xpos2:Number;
		private var ypos2:Number;
		
		public function Wave() {
			init();
			init2();
		}
		public function init() {
			xpos = 0;
			graphics.lineStyle(1, 0, 1);
			graphics.moveTo(0, centerY);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);	
		}
		public function init2() {
			xpos2 = 0;
			graphics.lineStyle(1, 0, 1);
			graphics.moveTo(0, centerY);
			addEventListener(Event.ENTER_FRAME, onEnterFrame2);
		}
		public function onEnterFrame(event:Event):void {
			xpos += xspeed;
			angle += yspeed;
			ypos = centerY + Math.sin(angle) * range;
			graphics.lineTo(xpos, ypos);
		}
		public function onEnterFrame2(event:Event):void {
			xpos2 += xspeed;
			angle += yspeed;
			ypos2 = centerY + Math.cos(angle) * range;
			graphics.lineTo(xpos2, ypos2);
		}
	}
	}