[JAVA3D] Setting the color of the Back face of a visuel object

[Mohammed Akacem]

Hello everybody,



I am using Shape 3D und GeometryInfo classe,

I am drawing an open box , with geoinfo.setColorIndices(colorindices); I
am setting
the colorindice array of my cube. I am also setting the appearreance of
my Shape3D object as follow:
Appearance materialAppear = new Appearance();
        PolygonAttributes polyAttrib = new PolygonAttributes();
        polyAttrib.setBackFaceNormalFlip(true);
        polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
        materialAppear.setPolygonAttributes(polyAttrib);

       Material material = new Material();
        material.setDiffuseColor(new Color3f(1.0f, 0.0f, 0.0f));
        materialAppear.setMaterial(material);

my Problem is that I want to show Frontfaces and Backfaces with
different colors
so that I can check if a triangle is showing in the wrong direction.

Thanks a lot for any help

Mohammed

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