一定范围内随机排列不重合的多个小球

var stage_w = 400;
var stage_h = 400;
var m_width = m._width;
m._visible = 0;
function setMc() {
for (i=1; i<11; i++) {
M = m.duplicateMovieClip("m"+i, i);
M_x = random(stage_w);
M_y = random(stage_h);
if (i == 1) {
M._x = M_x;
M._y = M_y;
}
if (i>1) {
for (j=1; j<i; j++) {
if (Math.sqrt((this["m"+j]._x-M_x)*(this["m"+j]._x-M_x)+(this["m"+j]._y-M_y)*(this["m"+j]._y-M_y))<m_width) {
i--;
break;
}
}
if (j == i) {
M._x = M_x;
M._y = M_y;
}
}
M.speed = 0;
M.onEnterFrame = function() {
if (this.hitTest(_xmouse, _ymouse)) {
this.ZoomIn(130, .8, .6);
} else {
this.ZoomIn(100, .8, .6);
}
};
}
}
setMc();
MovieClip.prototype.ZoomIn = function(pos_scale, j, k) {
this.speed = this.speed*j+(pos_scale-this._xscale)*k;
this._yscale = this._xscale += this.speed;
};
btn.swapDepths(100);
btn.onPress = function() {
for (i=1; i<11; i++) {
_root["m"+i].removeMovieClip();
}
setMc();
};