[x3d-public] MultiTextureTeapot example using X3D3.3

[Don Brutzman]

Interesting new example with magnificent rendering is now published, adapting work by Michalis Kamburelis and contributed by Rick Lentz, authored using X3D-Edit 4.0 beta.  Screenshot of examples index page attached.

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* X3D Example Archives: X3D4AM, X3D for Advanced Modeling, Texture Mapping, Multi Texture Teapot
   https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotIndex.html

MultiTextureTeapot X3D example uses texture, material and TextureCoordinateGenerator properties provided by Castle Game Engine example model, applied to the Newell Teapot geometry. Also added X3D logo for coolness!
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Four successful renders with stellar performance:

* X_ITE and Castle Game Engine are both fully consistent
* X3DOM has texture coordinate mapping difference
* H3DViewer has creaseAngle seams (but looks great)

Not yet:
* FreeWrl didn't show texture mapping
* Xj3D no textures but didn't crash (slowly making progress!)

https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotX_ITE.html
https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotX3dom.xhtml
https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotView3dScene.png
https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotH3DViewer.png
https://x3dgraphics.com/examples/X3dForAdvancedModeling/TextureMapping/MultiTextureTeapotX3dEditXj3d.png

Pretty promising warmup exercise on the way to X3D4 and physically based rendering (PBR)...

Each of the models in Web3D Consortium's X3D Examples Archive are provided under an open-source license.

Further scrutiny and improvements welcome.  Have fun with X3D!  8)

all the best, Don
-- 
Don Brutzman  Naval Postgraduate School, Code USW/Br       brutzman at nps.edu
Watkins 270,  MOVES Institute, Monterey CA 93943-5000 USA   +1.831.656.2149
X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman
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