{
import flash.display.SpreadMethod;
import flash.display.Sprite;
import flash.events.KeyboardEvent;
import flash.ui.Keyboard;
public class ball extends Sprite
{
private var balls:Sprite = new Sprite();
public function ball()
{
init();
}
public function init():void{
addChild(balls);
balls.graphics.beginFill(0xFF0000);
balls.graphics.drawCircle(0,0,30);
balls.graphics.endFill();
balls.x = stage.stageWidth/2;
balls.y = stage.stageHeight/2;
stage.addEventListener(KeyboardEvent.KEY_DOWN,ballrect);
}
public function ballrect(event:KeyboardEvent):void{
switch(event.keyCode){
case Keyboard.UP:
balls.y -=10;
break;
case Keyboard.DOWN:
balls.y +=10;
break;
case Keyboard.LEFT:
balls.x -=10;
break;
case Keyboard.RIGHT:
balls.x += 10;
break;
default:
break;
}
}
}
}