Method initRadiusSearch

Engine/source/scene/sceneContainer.cpp:1240–1284

}

void SceneContainer::initRadiusSearch(const Point3F& searchPoint,
                                 const F32      searchRadius,
                                 const U32      searchMask)
{
   cleanupSearchVectors();

   mSearchReferencePoint = searchPoint;

   Box3F queryBox(searchPoint, searchPoint);
   queryBox.minExtents -= Point3F(searchRadius, searchRadius, searchRadius);
   queryBox.maxExtents += Point3F(searchRadius, searchRadius, searchRadius);

   SimpleQueryList queryList;
   findObjects(queryBox, searchMask, SimpleQueryList::insertionCallback, &queryList);

   F32 radiusSquared = searchRadius * searchRadius;

   const F32* pPoint = &searchPoint.x;
   for (U32 i = 0; i < queryList.mList.size(); i++)
   {
      const F32* bMins;
      const F32* bMaxs;
      bMins = &queryList.mList[i]->getWorldBox().minExtents.x;
      bMaxs = &queryList.mList[i]->getWorldBox().maxExtents.x;
      F32 sum = 0;
      for (U32 j = 0; j < 3; j++)
      {
         if (pPoint[j] < bMins[j])
            sum += (pPoint[j] - bMins[j])*(pPoint[j] - bMins[j]);
         else if (pPoint[j] > bMaxs[j])
            sum += (pPoint[j] - bMaxs[j])*(pPoint[j] - bMaxs[j]);
      }
      if (sum < radiusSquared || queryList.mList[i]->isGlobalBounds())
      {
         mSearchList.push_back(new SimObjectPtr<SceneObject>);
         *(mSearchList.last()) = queryList.mList[i];
      }
   }
   if (mSearchList.size() != 0)
   {
      sgSortReferencePoint = mSearchReferencePoint;
      dQsort(mSearchList.address(), mSearchList.size(),
             sizeof(SimObjectPtr<SceneObject>*), cmpSearchPointers);
   }
}

//-----------------------------------------------------------------------------