From 2807507325c28a4b4f5128db5ee98f9a282fe5d1 Mon Sep 17 00:00:00 2001
From: ktksgit <zed-2006@web.de>
Date: Thu, 29 Dec 2016 12:16:36 +0100
Subject: Update DebugMesh when NavMesh changes

Fixes #7371
---
 scene/3d/navigation_mesh.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scene/3d/navigation_mesh.cpp b/scene/3d/navigation_mesh.cpp
index 386a0fab57..c08322e77d 100644
--- a/scene/3d/navigation_mesh.cpp
+++ b/scene/3d/navigation_mesh.cpp
@@ -356,6 +356,11 @@ void NavigationMeshInstance::set_navigation_mesh(const Ref<NavigationMesh>& p_na
 	if (navigation && navmesh.is_valid() && enabled) {
 		nav_id = navigation->navmesh_create(navmesh,get_relative_transform(navigation),this);
 	}
+	
+	if (debug_view && navmesh.is_valid()) {
+		debug_view->cast_to<MeshInstance>()->set_mesh( navmesh->get_debug_mesh() );
+	}
+	
 	update_gizmo();
 	update_configuration_warning();
 
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