backupRenderStates();
	public void doRender(Renderer renderer) {		// if there's nothing to do		if (spatials.size() == 0)			return;		// normal render		super.doRender(renderer);		// set up the render states		backupRenderStates();		CullState.setFlippedCulling(true);        context.enforceState(wireframeState);        context.enforceState(noLights);        context.enforceState(noTexture);        context.enforceState(alphaState);		// this will draw the wireframe		for (int i = 0; i < spatials.size(); ++i) {			Spatial spatial = spatials.get(i);            spatial.onDraw(renderer);		}		renderer.renderQueue();		// restore the render states		restoreRenderStates();		CullState.setFlippedCulling(false);	}