Dot

/**
 * Copyright tkinjo ( http://wonderfl.net/user/tkinjo )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/ov8Q
 */

package  
{
	/**
	 * 再利用できる点クラス！
	 * 
	 * オブジェクト指向の入門に？
	 * なんて
	 */
	
	import flash.display.Sprite;
	import flash.events.Event;
	
	[SWF(width="465", height="465", frameRate="60", backgroundColor="0xffffff")]
	/**
	 * ...
	 * @author tkinjo
	 */
	public class Main extends Sprite
	{
		private var dot:Dot;
		
		/**
		 * 
		 */
		public function Main() 
		{
			dot = new Dot( mouseX, mouseY );
			addChild( dot );
			
			addEventListener( Event.ENTER_FRAME, enterFrameHandler );
		}
		
		/**
		 * 
		 * @param	event
		 */
		private function enterFrameHandler( event:Event ):void {
			
			dot.x = mouseX;
			dot.y = mouseY;
		}
	}
	
	
}

import flash.display.Sprite;

class Dot extends Sprite {
	
	/** --------------------------------------------------
	 * 半径
	 */
	public function get radius():Number { return _radius; }
	
	/**
	 * @private
	 */
	public function set radius(value:Number):void 
	{
		_radius = value;
		draw();
	}
	
	private var _radius:Number;
	
	
	
	/** --------------------------------------------------
	 * 色
	 */
	public function get color():uint { return _color; }
	
	/**
	 * @private
	 */
	public function set color(value:uint):void 
	{
		_color = value;
		draw();
	}
	
	private var _color:uint;
	
	/**
	 * x 方向の速度
	 */
	public var vx:Number;
	
	/**
	 * y 方向の速度
	 */
	public var vy:Number;
	
	/**
	 * 
	 * @param	x
	 * @param	y
	 * @param	vx
	 * @param	vy
	 */
	public function Dot( x:Number = 0, y:Number = 0, radius:Number = 5, color:uint = 0, vx:Number = 0, vy:Number = 0 ) {
		
		this.x = x;
		this.y = y;
		this.radius = radius;
		this.color = color;
		this.vx = vx;
		this.vy = vy;
	}
	
	/**
	 * 
	 */
	public function draw():void {
		
		graphics.clear();
		graphics.beginFill( color );
		graphics.drawCircle( 0, 0, _radius );
	}
}