public void ShowRenderersVisibleState(NodeAddedEvent evt, [Combine] RendererReadyForShowingNode renderer, [Context, JoinByTank] AssembledTankNode tank, [Context, JoinByTank] VisibleTankNode state)
 {
     renderer.baseRenderer.Renderer.enabled = true;
 }
 public void HideRenderersVisibleState(NodeRemoveEvent evt, [Combine] RendererReadyForShowingNode renderer, [Context, JoinByTank] AssembledTankNode tank, [Context, JoinByTank] VisibleTankNode state)
 {
     renderer.baseRenderer.Renderer.enabled = false;
 }