Calculating points of a mega circle..

[MisterX]

yes, there is an easy way...

Alejandro mentioned this demo I think

http://lists.runrev.com/pipermail/use-revolution/2004-July/039736.html

check it out... extremely nice demo with the answers you seek I think...

Ken also has a nice tip about it at 

http://www.sonsothunder.com/devres/revolution/revolution.htm

ultimately, I added a few of my own in 
PieControl which does lots of things with circles ;)

http://www.monsieurx.com/modules.php?name=News&file=article&sid=162

cheers
Xavier

 

-----Original Message-----
From: use-revolution-bounces at lists.runrev.com
[mailto:use-revolution-bounces at lists.runrev.com] On Behalf Of Gordon Tillman
Sent: Tuesday, September 13, 2005 7:43 PM
To: tjframe at gmail.com; How to use Revolution
Subject: Re: Calculating points of a mega circle..

Hi TJ,


> Hi folks
>  Anyone know how I would calculate the points of a circle given a 
> specific number of required points and a massive radius. For example 
> I'm looking to generate a list of 7200 points that describe a circle 
> with a radius of
> 999999
>  Any ideas how to go about this?
>  Thanks,
>  - TJ

Something like this would do it...

--gordy


function getCirclePoints pXOrigin, pYOrigin, pNumPoints, pRadius local
tIncr, tTheta, tTwoPi, tX, tY, tPoints put pi * 2 into tTwoPi put tTwoPi /
pNumPoints into tIncr put 0 into tTheta repeat pNumPoints times put pRadius
* cos(tTheta) + pXOrigin into tX put pRadius * sin(tTheta) + pYOrigin into
tY put tX & "," & tY & return after tPoints add tIncr to tTheta end repeat
return tPoints end getCirclePoints

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