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Building 3D Shapes
Building a TriangleFanArray

TriangleFanArray fans = new TriangleFanArray(
    vertexCount,
    GeometryArray.COORDINATES |
    GeometryArray.NORMALS,
    stripVertexCounts[] );
fans.setCoordinates( 0, coords );
fans.setNormals( 0, normals );