From 79e1ba9c6869bb27159fc56a38089205100da1cc Mon Sep 17 00:00:00 2001
From: Andrey Lemin <anlemin@mail.ru>
Date: Wed, 8 Apr 2020 20:18:42 +0300
Subject: [PATCH] Fix validate_spatial method

---
 sceneObjects/DMeshSO.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sceneObjects/DMeshSO.cs b/sceneObjects/DMeshSO.cs
index 42e1485..20c3378 100644
--- a/sceneObjects/DMeshSO.cs
+++ b/sceneObjects/DMeshSO.cs
@@ -349,7 +349,7 @@ void on_mesh_changed(bool bInvalidateSpatial = true, bool bInvalidateDecomp = tr
 
         void validate_spatial()
         {
-            if ( enable_spatial && spatial == null ) {
+            if (enable_spatial && (spatial == null || !spatial.IsValid)) {
                 spatial = new DMeshAABBTree3(mesh);
                 spatial.Build();
             }