引用:

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//图片总数目，为提高速度，图片按1.jpg，2.jpg这样的规则依次命名，大小100*40
_global.i=6;

//100是图片的宽度，leng是i张图片的总长度
_global.leng = i*100;


//产生一个总的MC snow
_root.createEmptyMovieClip("snow", 0);

//snow内部的MC
_root.snow.createEmptyMovieClip("a", 0);
_root.snow.createEmptyMovieClip("b", 1);

//排列a和b
_root.snow.a._x = 0;
_root.snow.b._x = _roob.snow.a._x+leng;

//create and load jpg
//在mc a和b内部产生数目为i的空MC并依次加载图片进去
for (j=1; j<=i; j++) {
_root.snow.a.createEmptyMovieClip("mc"+j, j);
_root.snow.b.createEmptyMovieClip("mc"+j, j);
_root.snow.a["mc"+j].loadMovie("image/"+j+".jpg";
_root.snow.b["mc"+j].loadMovie("image/"+j+".jpg";

//设置MC的坐标，让它们依次排开
_root.snow.a["mc"+j]._x = (j-1)*100;
_root.snow.b["mc"+j]._x = (j-1)*100;
}

//let me move
_root.snow.onEnterFrame = function() {

//向左移动总的MC snow
_root.snow._x -= 1;

//当snow向左移动的距离大于等于leng时，将它向右移动leng个像素的长度
if ((-_root.snow._x)>=leng) {
_root.snow._x += leng;
}
}

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