[x3d-public] PROTO Usefulness Question

[Leonard Daly]

I asked this before but I don't think I got any answers. This is a 
slight rephrase of the question to help make it clearer.

I am looking for examples of PROTOs (either internal or external) that are
1) non-trivial
2) do not use one or more Script nodes


By (1) I mean something that does something useful that is not easy to 
do without using a PROTO. Something like the Universal Media PROTOs 
(e.g., 
http://www.web3d.org/x3d/content/examples/Basic/UniversalMediaMaterials/_pages/page02.html) 
provide a lot of convenience to the X3D developer, but each one just 
defines a Material node with specific characteristics.

A PROTO that is used repeated in a scene providing a critical feature 
might be an example of something that meets (1).


I am asking this to determine if it is necessary or useful to have a 
PROTO expander (sort-of like a MACRO). The expander would not support 
Script nodes. If there are no examples to this question, then it 
indicates that PROTOs need Script node(s). Either way, this has an 
impact on the design of V4.

-- 
*Leonard Daly*
3D Systems & Cloud Consultant
X3D Co-Chair on Sabbatical
LA ACM SIGGRAPH Chair
President, Daly Realism - /Creating the Future/
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