setterについて

by atsumo 08 Jul 2011

Embed

/**
 * Copyright atsumo ( http://wonderfl.net/user/atsumo )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/4h6P
 */

/**
* 
*/
package {
    import flash.events.MouseEvent;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        
        public function FlashTest() {
            // write as3 code here..
            initialize();
        }
        
        private function initialize():void
        {
            var ball = new Ball();
            ball.x = stage.stageWidth / 2;
            ball.y = stage.stageHeight / 2;
            ball.addEventListener(MouseEvent.ROLL_OVER, handleRollOver);
            ball.addEventListener(MouseEvent.ROLL_OUT, handleRollOut);
            ball.addEventListener(MouseEvent.CLICK, handleClick);
            ball.buttonMode = true;
            addChild(ball);
        }
        
        private function handleRollOver(e:MouseEvent):void
        {
            var ball:Ball = e.target as Ball;
            ball.radius = 150;
        }
        
        private function handleRollOut(e:MouseEvent):void
        {
            var ball:Ball = e.target as Ball;
            ball.radius = 50;
        }
        
        private function handleClick(e:MouseEvent):void
        {
            var ball:Ball = e.target as Ball;
            //ball
            ball.color = Math.random()*0xFFFFFF;
        }
    }
}
import flash.display.Graphics;
import flash.display.Sprite;

class Ball extends Sprite
{
    private var _color:uint;
    private var _radius:int;
    
    public function Ball(color:uint = 0x0, radius:int = 50)
    {
        _color = color;
        _radius = radius;
        
        draw();
    }
    
    private function draw():void
    {
        var g:Graphics = this.graphics;
        g.clear();
        g.beginFill(_color);
        g.drawCircle(0,0, _radius);
        g.endFill();
    }
    
    public function set color(value:uint):void
    {
        _color = value;
        draw();
    }
    
    public function set radius(value:int):void
    {
        _radius = value;
        draw();
    }


}