[Papervision3D] PV3D QuadrantRenderEngine vs. Away3D?
azupko at zupko.info
Thu Nov 20 12:24:20 PST 2008
away uses painters algorithm as well, their quadtree is an alternate
rendering technique you can use and is slow no matter which engine you
use :) Not sure how the two actually compare on speed though. Feel
free to run some tests - we might need to optmize :)
On Nov 20, 2008, at 1:52 PM, andysk8er wrote:
> Hey John, thanks for the reply. I'm not trying to dis PV3D or say
> Away3D is
> better. I have never actually used Away, so I couldn't possibly make
> I was under the impression that Away3D rendered with a QuadTree
> engine as it's default. So PV with a BasicRenderEngine would
> perform much faster. But, the QuadrantRenderEngine slows things down
> quite a
> bit. So, I was just curious about:
> A) Am I correct in saying that Away uses QuadTree rendering (instead
> painter's algorithm)? Or does Away use painter's algorithm too?
> B) Is PV3D's QuadrantRenderEngine comparable in speed to Away3D? I
> like an apples-to-apples speed comparison. I have seen some
> impressive demos
> with Away3D and I was thinking of doing some experiments with it. I
> was just
> curious if anyone here had any experience with both?
> John Grden-2 wrote:
>> away3d does not perform better with Collada models. I think
>> there's a
>> misconception here: A collada file is an XML file that is simply
>> into the necessary objects that either Papervision3D or Away3D
>> Sandy3D for that matter). After that, it's business as usual for the
>> to deal with.
>> I've done head to head comparisons of Papervision3D and Away3D
>> running the
>> same 3D Collada file in a flex application. I didn't hook up
>> Quadtree in
>> that test, but the head to head speed comparison was pretty
>> Between 20%-25% faster at that time.
>> This was a head to head comparison using the latest Away3D trunk
>> Papervision3D's lastest trunk done on Oct 19, 2008. I didn't post
>> findings because I didn't want to start a pissing contest, but
>> since you
>> asked, I felt it was appropriate to state it here.
>> I can post the code and the samples for other people if you guys
>> care to
>> it. It'll have to be later today after work though.
>> On Wed, Nov 19, 2008 at 10:20 PM, andysk8er <elbarto37 at yahoo.com>
>>> Hey everyone, I have a question:
>>> I implemented the QuadrantRenderEngine on a project that had a
>>> map and it was noticeably slower than the BasicRenderEngine (duh. Of
>>> it is - it has a lot more calculations to perform). Just to give
>>> details: I was using a low-poly collada model w/no animation. I
>>> added the
>>> textures in Papervision. (did not import them with the collada).
>>> ended up going back to the BasicRenderEngine because the
>>> performance hit
>>> too big.
>>> Have any of the people on this forum used Away3D and does its
>>> engine perform better? I have heard that Away performs better with
>>> I like PV3D a lot, but I also like to use the right tool for a
>>> job. I
>>> with designers who regularly publish Flash at frame rates around
>>> smooth performance at high frame rates is important. Publishing at
>>> just isn't acceptable at my job. Can anyone shed any light on this?
>>> View this message in context:
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>>> Papervision3D at osflash.org
>> [ JPG ]
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