キーボードの確認。

/**
 * Copyright pykgg476 ( http://wonderfl.net/user/pykgg476 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/mHRO
 */

package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.events.KeyboardEvent;
	import flash.ui.Keyboard;
	
	public class keySample extends Sprite
	{
		private var ball:Sprite;
		public function keySample()
		{
			init();
		}
		private function init():void{
			ball = new Sprite();
			ball.graphics.beginFill(0xff0000);
			ball.graphics.drawCircle(0,0,40);
			ball.graphics.endFill();
			ball.x = stage.stageWidth/2;
			ball.y = stage.stageHeight/2;
			addChild(ball);
			stage.addEventListener(KeyboardEvent.KEY_DOWN,onKeyboardEvent);
		}
		public function onKeyboardEvent(event:KeyboardEvent):void{
			switch(event.keyCode){
				case Keyboard.UP:
				ball.y -= 10;
				break;
				
				case Keyboard.DOWN:
				ball.y += 10;
				break;
				
				case Keyboard.LEFT:
				ball.x -= 10;
				break;
				
				case Keyboard.RIGHT:
				ball.x += 10;
				addEventListener(Event.ENTER_FRAME,onEnterFrame);
				break;
				
				default:
				break;
				
				
			}
		}
		public function onEnterFrame(event:Event):void{
			ball.x++;
		}
	}