Re: [x3d-public] Checking node type

[Alan Hudson <giles@yumetech.com>]

George Birbilis wrote:
> Btw, why are all objects the same class? There should many classes all
> descending from the same class. When you have
>
> SomeClass x;
> x=new SomeClassDescendent();
This isn't required by the X3D spec.  It's much easier to implement 1 
wrapper then hundreds of concrete classes.

The instanceof checks would always be browser specific which we want to 
avoid.  SAI code should be portable between browsers.  There are some 
concrete interfaces on the higher levels of SAI but we haven't 
implemented them yet.



--
Alan Hudson

President Yumetech, Inc.                               www.yumetech.com
President Web3D Consortium                             www.web3d.org
206 340 8900
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