class Ship extends MovieClip
{
    var velocity;

    function onLoad()
    {
        velocity = 10;
    }

    function onEnterFrame()
    {
        if( Key.isDown(Key.RIGHT))
        {
            _x = _x + velocity;
        }
        if( Key.isDown(Key.LEFT))
        {
            _x = _x - velocity;
        }
        if(Key.isDown(Key.UP))
        {
            _y = _y - velocity;
        }
        if(Key.isDown(Key.DOWN))
        {
            _y = _y + velocity;
        }
    }
}