Re: FLASH: atan...

[Nathan Dicken]

Miles,


I agree - Flash 5 does it just like JS...  However, if you need to do this

in Flash 4 you can use this monster:


Set Variable: "x" = input

Set Variable: "arctan" =

x-((x*x*x)/3)+((x*x*x*x*x)/5)-((x*x*x*x*x*x*x)/7)+((x*x*x*x*x*x*x*x*x)/9)-((

x*x*x*x*x*x*x*x*x*x*x)/11)+((x*x*x*x*x*x*x*x*x*x*x*x*x)/13)-((x*x*x*x*x*x*x*

x*x*x*x*x*x*x*x)/15)+((x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x)/17)-((x*x*x*x*x*x*

x*x*x*x*x*x*x*x*x*x*x*x*x)/19)+((x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x)/

21)-((x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x*x)/23)

Set Variable: "output" = arctan


Seems kinda of an overkill but it works.  You'll have to use it in

conjunction with some other math to provide your input.  Hope this helps.


Nathan


-------------------------

Nathan Dicken

Game Developer

Boxerjam Inc.

www.boxerjam.com



At 11:48 AM 8/24/00 -0400, you wrote:

>m i l e s,

>

>Two words: Flash 5.

>

>Just like JS:

>

>    Math.atan(x);

>

>In the meantime, maybe someone else can help you with the conversion

>(Branden? Sam?...)

>

>-Randy

>

>m i l e s l i g h t w o o d wrote:

>

>> Hey Folks,

>>

>> My math is a little rusty, and I need atan() in Flash.

>> Is there a way to derive it from cos() or sin()?

>>

>> I'm using FSCommand and JavaScript to access Math.atan() right now, but

>> would like to keep it all inside Flash if at all possible.

>

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