----- Original Message -----
From: "Merrill, Jason" <[EMAIL PROTECTED]>
To: "Flash Coders List" <[email protected]>
Sent: Friday, January 11, 2008 6:49 PM
Subject: RE: [Flashcoders] flash and 3d asset options
It's an example of a transformation of a small number of 3D
objects (five,
I think). When that count rises, I expect performance to
drop.
If you're counting "5 objects" as the car body, and the four tires,
well, that's not a good way to determine how complex a 3D object is or
how processor intensive it will be. More importantly it's the number of
faces the wireframe has, along with the texture, render quality,
interactivity and so forth. It really depends on what you're trying to
do for your project, there is no simple formula that can determine if
faked 3d will be a better choice than real 3d.
The car is a low polygon model, the complexity of manipulating the models
depends on the number of models being manipulated, the complexity of
rendering them depends as you say, on the number of polygons. Manipulating
more complex objects would involve kinematic chains in a sophisticated 3D
environment, but I think Papervision 3D only supports basic animation of
separate objects but not kinematics or bone deformations. The car example is
easier because it involves transformation of the body and four wheels, while
animating a gladiator is a completely different proposition. Nobody will be
animating a crowd scene with Papervision anytime soon, but if you fake it
with 2D animated Movieclips it will be possible.
From what I've seen, the Papervision 3D demos focus on low polygon models
with minimal articulation and relatively low numbers of objects. Hats off to
the PaperVision team for building the 3D engine. I am impressed.
As I said before, Papervision 3D will win hands down for some projects and
struggle on others that are best suited to faking 3D. The only reason I
posted on this thread was that
it would be a mistake to assume that a project that looks 3D actually needs
a 3D engine to make it work. I can see you're clued up on this and my
comments are aimed at more naive users that may assume that a 3D look
requires a 3D engine, not at you.
I'm not sure why we're arguing, or even if we are arguing!
Paul.
Jason Merrill
Bank of America
GT&O L&LD Solutions Design & Development
eTools & Multimedia
Bank of America Flash Platform Developer Community
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