Wow! What can I say, Mr. Zupko has done it again (also props to the Away3D guys for the first rendition). Andy has integrated a solution for the infamous z-sorting problem in Papervision.
If you've been using Papervision for awhile you will have noticed that you can't exactly overlap objects without getting polygon drawing issues. When you overlapped objects each polygon would try to take "z-depth" priority over the other and when you viewed the results it basically looked like you'd have various parts of your model flickering.
With Andy's QuadrantRenderEngine modifications this problem is resolved (while it does appear to be somewhat expense on the cpu, I'm sure it will make its way into a number of my Papervision projects.
Read more on the QuadrantRenderEngine: click here
Example: click here
Source: click here
Anthony Zupko (aka, the man!): http://www.zupko.info/
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ok, now I can say papervision is perfect! =)
Thanks for that! For the record, I had more success trying to understand it through your example rather than Zupko's. Thanks again!