X3DOM TwoSidedMaterial Tag funktioniert nicht

Question

Ich versuche, blaue Farbe außerhalb des Gesichts und grüne Farbe innerhalb des gleichen Gesichts zu geben. Ich habe dieses Tag hinzugefügt.

<TwoSidedMaterial diffuseColor="0 0 1" shininess="0.0" backDiffuseColor="0 1 0" backShininess="0.0" separateBackColor="true" backTransparency="0.0"></TwoSidedMaterial> 

diffuseColor = Blau und backDiffuseColor = Grün, aber es zeigt nur blaue Farbe auf beiden Seiten (innen und außen). backDiffuseColor nicht angewendet. This is a refrence link

Answer 1

Es könnte ein Fehler in der Bibliothek sein, weil the reference example auch ein einziges Material (rot) anstelle von zwei (rot und blau) zeigt:

<x3d> 
    <scene> 
     <transform rotation='-1 0 0 -1.571' translation='0 13.03 0'> 
      <shape> 
       <appearance> 
        <TwoSidedMaterial diffuseColor="1 0 0" shininess="0.0" backDiffuseColor="0 0 1" backShininess="0.0" separateBackColor="true" backTransparency="0.0"></TwoSidedMaterial> 
       </appearance> 
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       </indexedFaceSet> 
      </shape> 
     </transform> 

     ... 

    </scene> 
</x3d> 

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Ihre beste Wette ist wahrscheinlich open an issue in the X3DOM repository on Github.