flash分身效果

d = 0;
i = 0;
numAqua = 0;
minAlpha = 70;
threshold = 500;
clp = aqua0;
maxChange = 1.57;
maxChange2 = 1.04666666666667;
halfMax = maxChange/2;
halfMax2 = maxChange2/2;
maxSpeed2 = 2;
trajectory = new Array(15);
trajectory[0] = 0;

i = numAqua;
while (i>=0) {
baseClip = eval("aqua"+i);
dx = baseClip._x-_xmouse;
dy = baseClip._y-_ymouse;
d = Number(Math.sqrt((dx*dx)+(dy*dy)));
if (threshold<d) {
           d = threshold;
}
closeness = (Math.pow(((threshold-d)/threshold)*10, 1.8)*0.016)*100;
if (!closeness) {
           closeness = 0;
}
if (0<closeness) {
           if (97<closeness) {
            if (baseClip._xscale<20) {
             removeMovieClip(baseClip);
            }
            if (numAqua<15) {
             numAqua = numAqua+1;
             duplicateMovieClip("aqua"+i, "aqua"+numAqua, numAqua);
             newClip = eval("aqua"+numAqua);
             trajectory[numAqua] = 0;
             colors[numAqua] = new Color(newClip);
             currentColor[numAqua] = new Object();
             colors[numAqua].setTransform(currentColor[numAqua]);
             newClip._x = newClip._x+(random(5)+5);
             newClip._y = newClip._y+(random(5)+5);
             baseClip._xscale = baseClip._xscale-20;
             baseClip._yscale = baseClip._yscale-20;
             newClip._xscale = baseClip._xscale;
             newClip._yscale = baseClip._yscale;
            }
           }
           currentColor.ra = startR-((closeness*0.01)*(startR-endR));
           currentColor.ga = startG-((closeness*0.01)*(startG-endG));
           currentColor.ba = startB-((closeness*0.01)*(startB-endB));
           colors.setTransform(currentColor);
           a = (closeness*(100-minAlpha))*0.01;
           baseClip._alpha = a+minAlpha;
           speed = closeness/8;
           angle = (Math.random()*100)%maxChange;
           trajectory = (trajectory-halfMax)+angle;
} else {
           currentColor.ra = startR-((closeness*0.01)*(startR-endR));
           currentColor.ga = startG-((closeness*0.01)*(startG-endG));
           currentColor.ba = startB-((closeness*0.01)*(startB-endB));
           colors.setTransform(currentColor);
           a = (closeness*(100-minAlpha))*0.01;
           baseClip._alpha = a+minAlpha;
           speed = maxSpeed2;
           angle = (Math.random()*100)%maxChange2;
           trajectory = (trajectory-halfMax2)+angle;
}
vx = speed*Math.cos(trajectory);
vy = speed*Math.sin(trajectory);
baseClip._x = baseClip._x+vx;
baseClip._y = baseClip._y+vy;
i = i-1;
}

gotoAndPlay(2);