[x3d-public] [x3dom-users] vrml conversions

[John Carlson]

Cool, Andreas!

On Mon, Aug 14, 2023 at 2:58 PM Andreas Plesch <andreasplesch at gmail.com>
wrote:

>
> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/df593e4f82b3fbd99148583ecb235edd/raw/d21237d4ee23a419eb28853ca9cd8fd96e1f5e0b/hyper_6_4_2.x3d
>
> is another conversion from http://bulatov.org/vrml/, a hyperbolic
> kaleidoscope with some minor changes.
>
> In addition to the use of Protos it shows how to use shared
> initialization and variable scope across multiple script output
> functions/fields as the original vrml script does the same, in a
> single script node.
>
> Cheers, Andreas
>
> On Sat, Aug 12, 2023 at 12:07 AM Andreas Plesch <andreasplesch at gmail.com>
> wrote:
> >
> > Another vrml conversion from http://bulatov.org/vrml/easter/index.html
> >
> >
> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/df593e4f82b3fbd99148583ecb235edd/raw/7d3caceb31b83484711d56bc00d4c5d8107fa6bf/egg10.x3d
> >
> > A few interesting x3dom related aspects here are:
> >
> > - Protos work pretty well in x3dom, even if complicated
> > - For IS protofields it is sometimes necessary to provide appropriate
> > default values also in the Protobody (not just in the ProtoInterface)
> > in case the x3d default values cause problems. This happened here
> > because the TextureCoordinate node does not have point coordinates by
> > default. x3dom probably should ignore TextureCoordinate nodes with an
> > empty point field and treat that as if there is no TextureCoordinate
> > node.
> > - X3D scripts can be converted to DOM javascripts almost 1:1. ROUTEs
> > become the onoutputchange attribute with a function to call for the
> > fromNode, and the script itself finds the toNode in directOutput
> > style. The conversion shows a more complicated example which includes
> > use of wrapper function to avoid global (page wide) variables.
> > - HTML weirdness: Script DOM nodes generated 'from scratch' and then
> > appended to the page document execute when this happens. However,
> > Script DOM nodes generated with the builtin DOMParser or with
> > outer/innerHTML parsing are marked and do not execute when appended to
> > the page document. There is another, more obscure parsing method which
> > does generate executable Script nodes. This is what the editor now
> > uses.
> >
> > Andreas
> >
> > On Sat, Aug 5, 2023 at 4:44 PM Andreas Plesch <andreasplesch at gmail.com>
> wrote:
> > >
> > > Slightly adapted from http://bulatov.org/vrml/:after conversion to xml
> > > with x-ite:
> > >
> > >
> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/df593e4f82b3fbd99148583ecb235edd/raw/821419402327bd6927d2701174a29c5d078edc18/eversion.x3d
> > >
> > >
> https://andreasplesch.github.io/Library/Viewer/index.html?url=https://gist.githubusercontent.com/andreasplesch/df593e4f82b3fbd99148583ecb235edd/raw/3af8bc0d53e157c9289eb18831672f8ef1ca033a/dodecahedron.x3d
> > >
> > > Cheers, Andreas
> > > --
> > > Andreas Plesch
> > > Waltham, MA 02453
> >
> >
> >
> > --
> > Andreas Plesch
> > Waltham, MA 02453
>
>
>
> --
> Andreas Plesch
> Waltham, MA 02453
>
>
> _______________________________________________
> X3dom-users mailing list
> X3dom-users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/x3dom-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://web3d.org/pipermail/x3d-public_web3d.org/attachments/20230814/bc3818ce/attachment.html>