public ProximityMap(SearchFunctionDelegate <T> searchFunc, AddObjectsFunctionDelegate <T> findFunc, float fWorldSize, int nMaxDepth, Vector3 v3Center, object searchableData, GraphicsDevice device) { m_searchFunc = searchFunc; m_findFunc = findFunc; OctTreeNode <T> .InitialiseGraphics(device); m_octreeRoot = new OctTreeNode <T>(nMaxDepth, 0, fWorldSize, v3Center, findFunc, searchableData); }