onUnmount method

@override void onUnmount()

Called when the owning node leaves a live scene graph.

Implementation

@override
void onUnmount() {
  final item = _renderItem;
  if (item != null) {
    node.internalRenderScene?.remove(item);
    _renderItem = null;
    _worldTransformVersion = -1;
    _instanceRevision = -1;
    _geometryBoundsVersion = -1;
  }
}