Re: Layers prototype

> Bart Janssens wrote:
>> On 5/4/08, Joaquín Duo <hoakoduo@...> wrote:
>>  
>>> Anyway, I think the idea of adding a layer int32_t property for the
>>> Meshinstances (and some other nodes, like cameras, grids, ligths) could be
>>> used
>>> in future C++ implementations. Also this way an object could be part of
>>> several
>>> layer having multiple properties.
>>>    
>> It's a good idea, but I think it should be formalized in an interface
>> that provides access to the collection of layer properties. That way,
>> it's easy to query if
>> - an object supports layers
>> - what its layer properties are
>>  
> Layers are really just one type of grouping mechanism, one that happens
> to have some related semantics drawn from 2D drafting.  Adding
> group-related data to nodes won't scale for the same reason visibility
> flags don't scale.  Suggest you take a look at
>
> http://www.k-3d.org/wiki/Node_Grouping_Design