# Part of kirupa tutorial not explained

**URL:** <https://forum.kirupa.com/t/part-of-kirupa-tutorial-not-explained/216867>\
**Category:** flash\
**Created:** [February 21, 2007, 5:13am UTC](https://forum.kirupa.com/t/part-of-kirupa-tutorial-not-explained/216867 "2007-02-21T05:13:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rupnarayan\_b](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/rupnarayan_b/32/3326_2.png) [@rupnarayan\_b](https://forum.kirupa.com/u/rupnarayan_b)\
**Post date:** [February 21, 2007, 5:13am UTC](https://forum.kirupa.com/t/part-of-kirupa-tutorial-not-explained/216867/1 "2007-02-21T05:13:39Z")

</div>

I am trying a tutorial in kirupa which is faboulas ,  
[http://www.kirupa.com/developer/flash5/randomcolor.htm](http://www.kirupa.com/developer/flash5/randomcolor.htm)  
but this part of code is not explained , Iam not being able to understand this part can anybody help?  
[FONT=Verdana][COLOR=#0000ff]onClipEvent (load) {  
myNum = \_name;  
}  
onClipEvent (enterFrame) {  
\_root[“r”+myNum+“Diff”] = \_root[“r”+myNum+“New”]-\_root[“r”+myNum+“Old”];  
\_root[“r”+myNum+“Change”] = \_root[“r”+myNum+“Diff”]/10;  
\_root[“g”+myNum+“Diff”] = \_root[“g”+myNum+“New”]-\_root[“g”+myNum+“Old”];  
\_root[“g”+myNum+“Change”] = \_root[“g”+myNum+“Diff”]/10;  
\_root[“b”+myNum+“Diff”] = \_root[“b”+myNum+“New”]-\_root[“b”+myNum+“Old”];  
\_root[“b”+myNum+“Change”] = \_root[“b”+myNum+“Diff”]/10;  
swatchColor = new Color(this);  
swatchColor.setRGB(\_root[“r”+myNum+“Change”]\<\< 16 | \_root[“g”+myNum+“Change”] \<\< 8 |[/COLOR][/FONT]  
[COLOR=#0000ff][FONT=Verdana] \_root[“b”+myNum+“Change”]);  
\_root[“r”+myNum+“Old”] -= \_root[“r”+myNum+“New”]-\_root[“r”+myNum+“Change”];  
\_root[“g”+myNum+“Old”] -= \_root[“g”+myNum+“New”]-\_root[“g”+myNum+“Change”];  
\_root[“b”+myNum+“Old”] -= \_root[“b”+myNum+“New”]-\_root[“b”+myNum+“Change”];  
}[/FONT][/COLOR]