public static void setTranslucent(Spatial spatial) {
    MaterialState rs = (MaterialState) doRemoveRenderState(spatial, StateType.Material);
    if (rs != null) {
      materials.put(spatial.getName(), rs);

      MaterialState newState = DisplaySystem.getDisplaySystem().getRenderer().createMaterialState();

      ColorRGBA ambient = rs.getAmbient();
      ambient.a = .5f;
      ColorRGBA diffuse = rs.getDiffuse();
      diffuse.a = .5f;
      ColorRGBA emissive = rs.getEmissive();
      emissive.a = .5f;
      ColorRGBA specular = rs.getSpecular();
      specular.a = .5f;

      newState.setAmbient(ambient);
      newState.setColorMaterial(rs.getColorMaterial());
      newState.setDiffuse(diffuse);
      newState.setEmissive(emissive);
      newState.setMaterialFace(rs.getMaterialFace());
      newState.setShininess(rs.getShininess());
      newState.setSpecular(specular);
    }
    spatial.updateRenderState();
    if (spatial instanceof Node && ((Node) spatial).getChildren() != null) {
      for (int i = 0; i < ((Node) spatial).getChildren().size(); i++) {
        colorStripper(((Node) spatial).getChildren().get(i));
      }
    }
  }