diff --git a/ldob.cpp b/ldob.cpp
index f6fd7ae..1fcafae 100644
--- a/ldob.cpp
+++ b/ldob.cpp
@@ -59,16 +59,29 @@ VisualInstance * LSob::GetVI() const
 	return pVI;
 }
 
+
 void LSob::Show(bool bShow)
 {
 	Spatial * pS = GetSpatial();
 	if (!pS)
 		return;
 
+	// noop
+	if (pS->is_visible() == bShow)
+		return;
+
 	if (bShow)
 		pS->show();
 	else
 		pS->hide();
+
+	GeometryInstance * pGI = Object::cast_to<GeometryInstance>(pS);
+	if (pGI)
+	{
+		// godot visible bug workaround
+		pGI->set_extra_cull_margin(0.0f);
+	}
+
 }
 
 
diff --git a/lroom.cpp b/lroom.cpp
index 1442fae..e30dfab 100644
--- a/lroom.cpp
+++ b/lroom.cpp
@@ -182,6 +182,15 @@ void LRoom::SoftShow(VisualInstance * pVI, uint32_t show_flags)
 
 	pVI->set_layer_mask(mask);
 
+	// test godot bug
+//	GeometryInstance * pGI = Object::cast_to<GeometryInstance>(pVI);
+//	if (pGI)
+//	{
+//		// godot visible bug workaround
+//		pGI->set_extra_cull_margin(0.0f);
+//	}
+
+
 	// test the visual server - NOT A BOTTLENECK. set_layer_mask is cheap
 }