From 54c8375672e52160e39df860b50ad02a45828806 Mon Sep 17 00:00:00 2001
From: Andrei Kortunov <andrei.kortunov@yandex.ru>
Date: Tue, 11 May 2021 16:34:02 +0400
Subject: [PATCH] Recreate a special case for IntersectionVisitor on
 QuadTreeWorld

---
 components/terrain/viewdata.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/components/terrain/viewdata.cpp b/components/terrain/viewdata.cpp
index 48e882ea7..996bf909c 100644
--- a/components/terrain/viewdata.cpp
+++ b/components/terrain/viewdata.cpp
@@ -143,7 +143,7 @@ ViewData *ViewDataMap::getViewData(osg::Object *viewer, const osg::Vec3f& viewPo
 
     if (!vd->suitableToUse(activeGrid) || (vd->getViewPoint()-viewPoint).length2() >= mReuseDistance*mReuseDistance || vd->getWorldUpdateRevision() < mWorldUpdateRevision)
     {
-        float shortestDist = mReuseDistance*mReuseDistance;
+        float shortestDist = viewer ? mReuseDistance*mReuseDistance : std::numeric_limits<float>::max();
         const ViewData* mostSuitableView = nullptr;
         for (const ViewData* other : mUsedViews)
         {
@@ -157,12 +157,12 @@ ViewData *ViewDataMap::getViewData(osg::Object *viewer, const osg::Vec3f& viewPo
                 }
             }
         }
-        if (mostSuitableView)
+        if (mostSuitableView && mostSuitableView != vd)
         {
             vd->copyFrom(*mostSuitableView);
             return vd;
         }
-        else
+        else if (!mostSuitableView)
         {
             vd->setViewPoint(viewPoint);
             needsUpdate = true;