stupid thing i made.
X = random(550);
Y = random(400);
distance = 50;
_root.createEmptyMovieClip("i", 2);
_root.createEmptyMovieClip("bg", 1);
bg.lineStyle(5, 0x000000, 0);
bg.beginFill(0x000000, 100);
bg.lineTo(550, 0);
bg.lineTo(550, 400);
bg.lineTo(0, 400);
bg.lineTo(0, 0);
onEnterFrame = function () {
i.clear();
i.lineStyle(5, "0x"+random(100)+random(100)+random(100), 100);
X2 = X+(random(distance)-random(distance));
Y2 = Y+(random(distance)-random(distance));
i.moveTo(X, Y);
i.lineTo(X2, Y2);
X = X2;
Y = Y2;
if (X>550) {
X = 0;
}
if (X<0) {
X = 550;
}
if (Y>400) {
Y = 0;
}
if (Y<0) {
Y = 400;
}
};