flash on 2010-4-17

/**
 * Copyright kihon ( http://wonderfl.net/user/kihon )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/jn6t
 */

package
{
	import flash.display.Sprite;
	
	public class Main extends Sprite
	{
		public function Main()
		{
			var p:Joint = new Joint();
			p.x = p.y = 100;
			addChild(p);
			
			var joint:Joint;
			for (var i:int = 0; i < 5; i++)
			{
				if (i == 4) joint = new Joint(false);
				else joint = new Joint();
				p.addChild(joint);
				p = joint;
			}
		}
	}
}

import flash.display.Sprite;
import flash.events.MouseEvent;

class Joint extends Sprite
{
	public var lineSize:int = 50;
	public var radius:int = 5;
	public var rotate:Number = 36;
	
	public function Joint(line:Boolean = true)
	{
		this.x = lineSize;
		
		var circle:Sprite = new Sprite();
		circle.graphics.beginFill(0x0);
		circle.graphics.drawCircle(0, 0, radius);
		circle.graphics.endFill();
		addChild(circle);
		circle.addEventListener(MouseEvent.CLICK, onMouseClick);
		
		if (line)
		{
			graphics.lineStyle(2.0, 0x0);
			graphics.lineTo(lineSize, 0);
		}
	}
	
	private function onMouseClick(event:MouseEvent):void 
	{
		var p:Joint = event.currentTarget.parent as Joint;
		p.rotation += rotate;
	}
}