for (int i = 0; i < indices.length; i++) { primitiveNormals[i] = new Vector3f(); geom.getNormal(indices[i], primitiveNormals[i]);
for (int i = 0; i < indices.length; i++) { primitiveNormals[i] = new Vector3f(); geom.getNormal(indices[i], primitiveNormals[i]);
ga.getNormal(i, n1); ga.getCoordinate(i+1, p2); ga.getCoordinate(i+2, p3);