flash on 2009-11-17

/**
 * Copyright terra1119 ( http://wonderfl.net/user/terra1119 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/qzTJ
 */

package {
	import flash.display.Sprite;
	import flash.events.Event;
	
	public class FlashTest extends Sprite {
		private var arrow:Arrow;
		private var vx:Number = 0;
		private var vy:Number = 0;
		private var force:Number = 10;
		
        public function FlashTest() {
			init();
        }
		
		private function init():void
		{
			arrow = new Arrow();
			addChild(arrow);
			addEventListener(Event.ENTER_FRAME, onEnterFrame);
		}
		
		private function onEnterFrame(e:Event):void {
			var dx:Number = mouseX - arrow.x;
			var dy:Number = mouseY - arrow.y;
			var angle:Number = Math.atan2(dy, dx);
			arrow.rotation = angle * 180 / Math.PI;
			var ax:Number = Math.cos(angle) * force;
			var ay:Number = Math.sin(angle) * force;
			vx += ax;
			vy += ay;
			arrow.x = vx;
			arrow.y = vy;
		}
    }
}
	
import flash.display.Sprite;
class Ball extends Sprite {
	public var radius:Number;
	public var color:uint;
		
	public function Ball(radius:Number = 40, color:uint = 0xff0000) {
		this.radius = radius;
		this.color = color;
		init();
	}
		
	private function init():void{
		graphics.beginFill(color);
		graphics.drawCircle(0, 0, radius);
		graphics.endFill();
	}
}

import flash.display.Sprite;
class Arrow extends Sprite {
	public function Arrow() {
		init();
	}
	public function init():void{
		graphics.lineStyle(1, 0, 1);
		graphics.beginFill(0xffff00);
		graphics.moveTo( -50, -25);
		graphics.lineTo(0, -25);
		graphics.lineTo(0, -50);
		graphics.lineTo(50, 0);
		graphics.lineTo(0, 50);
		graphics.lineTo(0, 25);
		graphics.lineTo(-50, 25);
		graphics.lineTo( -50, -25);
		graphics.endFill();
	}
}