class Menu { //按钮的实例名

private var home:MovieClip;

private var photo:MovieClip;

private var diary:MovieClip;

private var work:MovieClip;

private var music:MovieClip;

private var bug:MovieClip;//晴蜓的实例名

private var ballTween:Object;//用来使用Tween类的对像

private var DEPTH_1:Number;

private var TEXTINITCOLOR:Number;

private var TEXTOVERCOLOR:Number;

//构造函数

function Menu() {

TEXTINITCOLOR = 0x707D37;//文字初始颜色

TEXTOVERCOLOR = 0xFFFFFF;//鼠标经过文字的颜色

DEPTH_1 = 1;//深度

showMenuText();//设定按钮边上的文字内容

initBtn();//菜单中所有的功能都在此函数中 };

private function showMenuText():Void {

home.txt.text = "首页";

photo.txt.text = "西西照片";

diary.txt.text = "西西日记";

work.txt.text = "西西作品";

music.txt.text = "我的音乐"; }

private function initBtn():Void {

var ins = this;//为了能在onRollOver等函数中使用全局变量而设

bug._x = home._x;//设定晴蜓的初始位置，让它停在首页的上面

bug.gotoAndStop(1);//设定晴蜓翅膀的初始状态为静止

//将几个按钮的实例放至一数组中，目的为节约代码

var BtnArr:Array = new Array(home,photo,diary,work,music);

for(var i=0;i;//按顺序取出每一个按钮

//当鼠标经过按钮时，蜻蜓开始向着按钮的方向飞，飞到了就停下来。 mc.onRollOver =function() { //当每一按钮在鼠标经过时，设至其文字颜色

ins.setTextColor(this,ins.TEXTOVERCOLOR); //当鼠标经过时加载光线划过效果

this.attachMovie("flash","flash"+2,2);

//将沿未完成的蜻蜓飞行的动作停止 ins.ballTween.stop();

//计算蜻蜓和当前鼠标所指按钮间的距离，目的为下面的实现蜻蜓转向所指按钮方向

var instance:Number = this._x - ins.bug._x;

//如果蜻蜓是面向左，而所指按钮在晴蜓的右面，则使蜻蜓面向右转。

if(instance>0 && ins.bug._xscale>0) {

ins.bug._xscale = - ins.bug._xscale; } //同上，在按钮在蜻蜓左边时，使它面向左

if(instance<0 && ins.bug._xscale<0) {

ins.bug._xscale = - ins.bug._xscale; }

//实现蜻蜓翅膀扇动效果

ins.bug.play();

//使用Tween类实现蜻蜓的飞行

//Strong+easeOut为从开始到结束作减速运动 //Strong+easeIn为从开始到结束作加速运动

var easeType = mx.transitions.easing.Strong.easeOut;

//蜻蜓开始飞时的位置

var begin = ins.bug._x; //蜻蜓飞结束时的位置

var end = this._x; //飞行共用时间

var time = 2; //指明飞行的物体是蜻蜓

var mc = ins.bug; //飞吧，飞吧

ins.ballTween = new mx.transitions.Tween(mc, "_x", easeType, begin, end, time, true);

//当飞完后，蜻蜓翅膀停止扇动

ins.ballTween.onMotionFinished = function() {

ins.bug.gotoAndStop(1); }; };

//当鼠标离开所指按钮时，蜻蜓就飞回家

mc.onRollOut = function() { //设定字的颜色 ins.setTextColor(this,ins.TEXTINITCOLOR);

//移除光线划过效果 var mcflash:MovieClip = this.getInstanceAtDepth(2); mcflash.removeMovieClip(); //让蜻蜓的头转向首页的方向 if(ins.bug._xscale<0) { ins.bug._xscale = - ins.bug._xscale; }

//停止尚未完成的飞行动作 ins.ballTween.stop();

//实现蜻蜓翅膀扇动效果 ins.bug.play();

//开始飞行啦，这里None采用匀速飞行

var easeType = mx.transitions.easing.None.easeOut;

var begin = ins.bug._x;

//向着首页的方向飞

var end = ins.home._x;

var time = 4;

var mc = ins.bug;

ins.ballTween = new mx.transitions.Tween(mc, "_x", easeType, begin, end, time, true);

ins.ballTween.onMotionFinished = function() { ins.bug.gotoAndStop(1); }; }; }

//将各个小图标加载到文字的左边

var pichome:MovieClip = home.attachMovie("home","home"+DEPTH_1,DEPTH_1);

var picphoto:MovieClip = photo.attachMovie("photo","photo"+DEPTH_1,DEPTH_1);

var picdiary:MovieClip = diary.attachMovie("diary","diary"+DEPTH_1,DEPTH_1);

var picwork:MovieClip = work.attachMovie("work","work"+DEPTH_1,DEPTH_1);

var picmusic:MovieClip = music.attachMovie("music","music"+DEPTH_1,DEPTH_1); //点击各个按钮后，所执行的代码，想要做什么，自己随便写吧

home.onRelease = function() { }

photo.onRelease = function() { }

diary.onRelease = function() { }

work.onRelease = function() { }

music.onRelease = function() { }

} //设置字的颜色

private function setTextColor(mc:MovieClip,usecolor:Number):Void {

var my_fmt = new TextFormat();

my_fmt.color = usecolor;