鼠标跟随特效(实例分析）

onClipEvent (load) {

// 初始化变量

StartSize = 20;

MaxStep = 20;

SizeIncrement = 15;

// 复制Tail_mc符号

for (var i = 1; i<=MaxStep; i++) {

duplicateMovieClip(Tail_mc, "Tail"+i, i);

with (eval("Tail"+i)) {

_xscale = StartSize+(i*SizeIncrement);

_yscale = StartSize+(i*SizeIncrement);

_alpha = 100-(100/MaxStep)*(i-1);

}

}

// 隐藏原始的符号

Tail_mc._visible = false;

}

onClipEvent (enterFrame) {

// 让第一个符号跟着鼠标移动

Tail1._x = _xmouse;

Tail1._y = _ymouse;

// 让其他符号跟着前一个符号移动

for (var i = 2; i<=MaxStep; i++) {

Temp = eval("Tail"+i);

Temp.xdistance = (eval("Tail"+(i-1))._x-Temp._x)/2+Temp.xdistance*0.3;

Temp.ydistance = (eval("Tail"+(i-1))._y-Temp._y)/2+Temp.ydistance*0.3;

Temp._x += Temp.xdistance;

Temp._y += Temp.ydistance;

}