# Code Help
**URL:** https://forum.kirupa.com/t/code-help/185946
**Category:** Uncategorized
**Created:** [April 17, 2006, 11:16pm UTC](https://forum.kirupa.com/t/code-help/185946 "2006-04-17T23:16:34Z")
**Posts on this page:** 10
**Page:** 1
### Author:  [@artistwantab](https://forum.kirupa.com/u/artistwantab)
#### Post date: [April 17, 2006, 11:16pm UTC](https://forum.kirupa.com/t/code-help/185946/1 "2006-04-17T23:16:34Z")
Can someone help turn this into a simple function that I can call when attaching a movie?
Also can you explain
```auto
[LEFT]while (this.i < 25) { this.i++;[/LEFT]
```
and
what exactly is if and else doing.
I understand that If (ball == ball) then the ball is made invisible but that is always true because that is the only MC on the stage and called…right? So what does the else do? I understand whats its doing but If “If” is always true then it doesn’t use else right. I know I am missing something…
```auto
[LEFT]MovieClip.prototype.particle = function () {
if (this._name == "ball") {
this._visible = false;
this.onMouseDown = function () {
this.i = 0;
};
while (this.i < 25) {
this.i++;
var rn = Math.floor (Math.random () * (300 - 25)) + 25;
this._xscale = rn;
this._yscale = rn;
this.duplicateMovieClip ("ball" + this.i, this.i);
removeMovieClip ("ball" + (this.i - 20));
updateAfterEvent ();
}
}
else {
this.x_speed *= .98;
this._alpha -= 0;
this._x += this.x_speed;
this._y += this.y_speed;
if (this._y > 450 || this._y < 0 || this._x > 750 || this._x < 0 || this._alpha <= 0) {
this.removeMovieClip ();
updateAfterEvent ();
}
}
};
[/LEFT]
```
The below .swf show how the movie is supposed to play. The only way I can get it to play that way is by placing a “for” statement within the MC. That is not the correct way to do it. So I would like someone help.
---
### Author:  [@joran420](https://forum.kirupa.com/u/joran420)
#### Post date: [April 18, 2006, 1:18am UTC](https://forum.kirupa.com/t/code-help/185946/2 "2006-04-18T01:18:35Z")
while (this.i \< 25) {
this.i++;
I think should be
do{
this.i++
}while(this.i \< 25)
is basically the same as
for( i = this.i ; i \< 25 ; i++){}
or you could just do
for (;this.i \< 25 ; i++) {}
all 3 of those for this case would be evaluated the same way i believe
what specific parts dont you understand and maybe i can help explain them…(that effect is pretty dmn cool btw)
---
### Author:  [@matthewjumps](https://forum.kirupa.com/u/matthewjumps)
#### Post date: [April 18, 2006, 1:23am UTC](https://forum.kirupa.com/t/code-help/185946/3 "2006-04-18T01:23:20Z")
did you write that nice explosion code by yourself? and yet you dont know what if/else does and what while is all about?
the while is basically saying 'do whatever actions are in my brackets until the variable i equals 24 (ie less than 25)'
on that i would probably put the “this.i++;” at the end of the actions inside the while brackets
edit: yea a for is better
```auto
for(i=0; i<25; i++) {
var rn = Math.floor(Math.random()*(300-25))+25;
this._xscale = rn;
this._yscale = rn;
this.duplicateMovieClip("ball"+this.i, this.i);
removeMovieClip("ball"+(this.i-20));
updateAfterEvent();
}
```
---
### Author:  [@joran420](https://forum.kirupa.com/u/joran420)
#### Post date: [April 18, 2006, 1:31am UTC](https://forum.kirupa.com/t/code-help/185946/4 "2006-04-18T01:31:44Z")
hehe yeh thats what i thought “■■■■ that effect is awesome for him not knowin wtf hes doin…” Im guessing its pilfered from somewhere…but thats a neat effect
---
### Author:  [@matthewjumps](https://forum.kirupa.com/u/matthewjumps)
#### Post date: [April 18, 2006, 1:34am UTC](https://forum.kirupa.com/t/code-help/185946/5 "2006-04-18T01:34:07Z")
yea my thoughts too - pilfered 😃
---
### Author:  [@artistwantab](https://forum.kirupa.com/u/artistwantab)
#### Post date: [April 18, 2006, 1:34am UTC](https://forum.kirupa.com/t/code-help/185946/6 "2006-04-18T01:34:18Z")
> [@matthewjumps](#):
>
> did you write that nice explosion code by yourself?
Hello,
I took some explosion code and modified it. Unfortunatly when I tried to convert it from a prototype to a simple function I could not get it to work. I am very new to flash and I am not familiar with “while” so I thought maybe I am missing something.
If you notice the code works with an onRelease but when you play the swf No Release is needed.
I added a for statement to the MC to show an example of what I needed the above code converted to.
---
### Author:  [@artistwantab](https://forum.kirupa.com/u/artistwantab)
#### Post date: [April 18, 2006, 1:52am UTC](https://forum.kirupa.com/t/code-help/185946/7 "2006-04-18T01:52:03Z")
> [@matthewjumps](#):
>
> yea my thoughts too - pilfered 😃
:hurt:
I am guilty as charged. But I did change a few things.
Orginal code created by David Brushinski
Swf Below
```auto
movieclip.prototype.particle = function() {
if (this._name == "mc") {
this._visible = false;
this.onMouseDown = function() {
this.i = 0;
};
while (this.i<100) {
this.i++;
this.duplicateMovieClip("mc"+this.i, this.i);
}
} else {
this.x_speed*=.98;
this._alpha-=2;
this._x += this.x_speed;
this._y += this.y_speed;
if (this._y>450 || this._y<0 || this._x>750 || this._x<0||this._alpha<=0) {
this.removeMovieClip();
}
}
};
```
---
### Author:  [@artistwantab](https://forum.kirupa.com/u/artistwantab)
#### Post date: [April 18, 2006, 2:06am UTC](https://forum.kirupa.com/t/code-help/185946/8 "2006-04-18T02:06:14Z")
Ok I tried your code and was similar to the results I was getting.
Refer to swf below.
The movie is just looping. I am sure it has something the onMouseDown but I have tried everything to get the same swf as the one above and can never do it unless I ad a “for” statement to the MC.
Grrr.
```auto
MovieClip.prototype.particle = function () {
if (this._name == "ball") {
this._visible = false;
this.onMouseDown = function () {
this.i = 0;
};
for (i = 0; i < 25; i++) {
var rn = Math.floor (Math.random () * (300 - 25)) + 25;
this._xscale = rn;
this._yscale = rn;
this.duplicateMovieClip ("ball" + this.i, this.i);
removeMovieClip ("ball" + (this.i - 20));
updateAfterEvent ();
}
}
else {
this.x_speed *= .98;
this._alpha -= 0;
this._x += this.x_speed;
this._y += this.y_speed;
if (this._y > 450 || this._y < 0 || this._x > 750 || this._x < 0 || this._alpha <= 0) {
this.removeMovieClip ();
updateAfterEvent ();
}
}
};
```
---
### Author:  [@joran420](https://forum.kirupa.com/u/joran420)
#### Post date: [April 18, 2006, 3:01am UTC](https://forum.kirupa.com/t/code-help/185946/9 "2006-04-18T03:01:05Z")
and what are you trying to get it to do?
maybe your going about this wrong…why do you need to make it a function instead of a prototype?
then again im pretty new to AS too
---
### Author:  [@artistwantab](https://forum.kirupa.com/u/artistwantab)
#### Post date: [April 18, 2006, 3:45am UTC](https://forum.kirupa.com/t/code-help/185946/10 "2006-04-18T03:45:35Z")
Mainly I want to understand the code. The way it is written I can’t understand all its features and can’t recreate it. I want the movie to work just like my first post but written without the “for statment” attached to MC and “onMouseDown”
Also having trouble finding someone to explain.
For instance.
```auto
this.onMouseDown = function() {
```
As you can see the movie still works with it?
```auto
if (this._name == "ball") {
```
Ball is the only MC so that is always true.
```auto
else {
this.x_speed *= .98;
this._alpha -= 0;
this._x += this.x_speed;
this._y += this.y_speed;
if (this._y > 450 || this._y < 0 || this._x > 750 || this._x < 0 || this._alpha <= 0) {
this.removeMovieClip ();
updateAfterEvent ();
```
If ball is always true then “else” is never used…right?
Just loops till ball is false.
The code is neccessary because if removed nothing happens.
Just a noob trying to understand.
Here is the Fla.