# Random
**URL:** https://forum.kirupa.com/t/random/14547
**Category:** Uncategorized
**Created:** [February 27, 2003, 5:47pm UTC](https://forum.kirupa.com/t/random/14547 "2003-02-27T17:47:04Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@geestring](https://forum.kirupa.com/u/geestring)
#### Post date: [February 27, 2003, 5:47pm UTC](https://forum.kirupa.com/t/random/14547/1 "2003-02-27T17:47:04Z")
i want balls to go around randomly, i got that. but how do i make them go all the way to the specified border instead of stopping in the middle.
---
### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 27, 2003, 9:57pm UTC](https://forum.kirupa.com/t/random/14547/2 "2003-02-27T21:57:35Z")
if(ball.\_x \< rightborder )
{
ball.\_x keep moving right
}else{
ball.\_x stop moving
}
???
if you post your AS, we can help you a lil more…
---
### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 28, 2003, 7:25pm UTC](https://forum.kirupa.com/t/random/14547/3 "2003-02-28T19:25:46Z")
function getdistance(x, y, x1, y1) {
var run, rise;
run = x1-x;
rise = y1-y;
return (\_root.hyp(run, rise));
}
function hyp(a, b) {
return (Math.sqrt(a_a+b_b));
}
MovieClip.prototype.reset = function() {
//specify the width and height of the movie
width = 550;
height = 400;
//-------------------
var dist, norm;
this.x = this.\_x;
this.y = this.\_y;
this.speed = Math.random()\*4+60
;
this.targx = Math.random()\*width;
this.targy = Math.random()\*height;
dist = \_root.getdistance(this.x, this.y, this.targx, this.targy);
norm = this.speed/dist;
this.diffx = (this.targx-this.x)\*norm;
this.diffy = (this.targy-this.y)\*norm;
};
MovieClip.prototype.move = function() {
if (\_root.getdistance(this.x, this.y, this.targx, this.targy)\>this.speed) {
this.x += this.diffx;
this.y += this.diffy;
} else {
this.x = this.targx;
this.y = this.targy;
if (!this.t) {
this.t = getTimer();
}
if (getTimer()-this.t\>1) {
this.reset();
this.t = 0;
}
}
this.\_x = this.x;
this.\_y = this.y;
};
---
### Author:  [@system](https://forum.kirupa.com/u/system)
#### Post date: [February 28, 2003, 7:34pm UTC](https://forum.kirupa.com/t/random/14547/4 "2003-02-28T19:34:28Z")
how do i use this piece of code?