N3TransformationNode sueloRot = new N3TransformationNode(scene, "sueloRot");
N3TransformationNode sueloTrans;
sueloRot.rotate(-90.0f, new N3Vector3D(1.0f, 0, 0));
sueloRot.update();
N3GeometryData g = N3GeometryData.createPlane(0.4f, 0.4f, new N3ColorRGBA(1, 0, 0), false);
N3Material sm = new N3Material(scene, "rojo");
sm.setAmbientColor(new N3ColorRGBA(1, 0, 0));
sm.setSpecularColor(new N3ColorRGBA(0, 0, 0), 0.1f);
sm.setDiffuseColor(new N3ColorRGBA(1, 0, 0));
sm.applyMaterial(true);