Changed the culling algorithm to use the frustum and not the

camera box. This results in better culling of items, which
can give a good performance benefit.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5494 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/items/item.cpp

@@ -42,6 +42,7 @@ Item::Item(ItemType type, const Vec3& xyz, const Vec3& normal,
                         : -1 ;
     m_original_mesh    = mesh;
     m_node             = irr_driver->addMesh(mesh);
+    m_node->setAutomaticCulling(scene::EAC_FRUSTUM_BOX);
     m_node->setPosition(xyz.toIrrVector());
     m_node->setRotation(hpr.toIrrHPR());
     m_node->grab();