this is very simple in math... you've only circles so you don't need other than z-sorting and 3d coords/object calculations. if you've the z-index you can calc the x-y blur for the circles and its size. that's all...
n

----- Original Message ----- From: "Cory Petosky" <[EMAIL PROTECTED]>
To: "Flash Coders List" <flashcoders@chattyfig.figleaf.com>
Sent: Monday, February 25, 2008 23:23
Subject: Re: [Flashcoders] How do you do this?


Can you verify that this is Papervision? I'd think Papervision would
be far too slow for something like this. A simple homebrew 3D engine
optimized for this particular use-case seems more likely considering
that this app is designed as a performance benchmark.

On 2/25/08, eric e. dolecki <[EMAIL PROTECTED]> wrote:
tons of math and some papervision3d.



 On Mon, Feb 25, 2008 at 4:40 PM, Jim Robson <[EMAIL PROTECTED]>
 wrote:


 > Hello all,
 >
> There's a neat 3D CS3 demo from a Japanese tour. I'd like to know how to
 > go
 > about creating this kind of effect; my (few and rare) attempts at 3D
 > animation in Flash have not performed nearly this well:
 >
 > http://www.adobe.com/jp/events/cs3_web_edition_tour/swfs/perform.swf
 >
 > Any ideas/hints/urls/etc?
 >
 > - Jim
 >
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