package
{
import flash.display.MovieClip;
import flash.events.TimerEvent;
import flash.utils.Timer;
import flash.utils.getTimer;
import flash.events.Event;
public class Airplane extends MovieClip
{
private var dx:Number;// 飞机的速度、方向
private var lastTime:int;// 控制移动的Timer
//左右移动
public function Airplane(side:String, speed:Number, altitude:Number)
{
if (side == "left")
{
this.x = -50;// start to the left
dx = speed;// fly left to right
this.scaleX = -1;// reverse
}
else if (side == "right")
{
this.x = 600;// start to the right
dx = - speed;// fly right to left
this.scaleX = 1;
}// not reverse
};
this.y = altitude;// vertical position
this.gotoAndStop(Math.floor(Math.random()*5+1));
// set up animation;
addEventListener(Event.ENTER_FRAME,movePlane);
lastTime = getTimer();
}
//检测边界
public function movePlane(event:Event)
{
// get time passed
var timePassed:int = getTimer() - lastTime;
lastTime += timePassed;
// move plane
this.x += dx * timePassed / 1000;
// check to see if off screen
if ((dx < 0) && (x < -50))
{
deletePlane();
}
else if ((dx > 0) && (x > 600))
{
deletePlane();
}
}
// 检测碰撞，子弹击中飞机跳转到帧标签"explode"演示爆炸动画。
public function planeHit()
{
removeEventListener(Event.ENTER_FRAME,movePlane);
MovieClip(parent).removePlane(this);
gotoAndPlay("explode");
}
// 移除舞台上的飞机和事件
public function deletePlane()
{
removeEventListener(Event.ENTER_FRAME,movePlane);
MovieClip(parent).removePlane(this);
parent.removeChild(this);
}
}
flash cs 6 ---3.0，求大佬改正一下~~~

这是打飞机游戏吗😂 我前几天刚做过一个，是不是最后少了个大括号