让mc在rollOver时alpha从50开始增加,最高到100,rollOut时alpha递减,最低到50,应该怎么写?
onClipEvent (load) {
var w = this._alpha=50;
}
on (rollOver) {
while(w<=100){
this._alpha=this._alpha+1;
}
}
on (rollOut) {
for (w=this._alpha;w>=50;w--) {
this._alpha=this._alpha-1;
}
}
刚学as....写的乱七八糟不对头...好心的大虾指点一下......
