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 CAD / Development / 8043
    Re: Glass... to BFC or not to BFC? —Erik Olson
   (...) They require a different approach to optimization - visibility culling, not backface culling. You're right in thinking they should not be BFC. The exception I think might be a full box - which gets composited twice in a polygon system like (...) (22 years ago, 25-Nov-02, to lugnet.cad.dev)
   
        Re: Glass... to BFC or not to BFC? —Steve Bliss
   (...) Right. For some renderers. Basically, in standard LDraw renderers, the backside surfaces can still be culled, because multiple layers of transparent surfaces look the same as a single layer. In renderers that produce darker/more opaque areas (...) (22 years ago, 29-Nov-02, to lugnet.cad.dev)
   
        Re: Glass... to BFC or not to BFC? —Travis Cobbs
   Doesn't the BFC "spec" mention transparency? The renderer can easily tell when something is transparent, and do BFC processing (or lack thereof) appropriately. This is necessary for correct handling of standard parts that are sometimes transparent, (...) (22 years ago, 30-Nov-02, to lugnet.cad.dev)
   
        Re: Glass... to BFC or not to BFC? —Steve Bliss
   (...) Yes it does. (...) Right. Steve (22 years ago, 30-Nov-02, to lugnet.cad.dev)
 

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