void Start()
    {
        OcclusionObjectsList ol = FindObjectOfType(typeof(OcclusionObjectsList)) as OcclusionObjectsList;

        if (ol != null)
        {
            occObjList = ol;
        }
        else
        {
            Debug.LogError("Manual Occlusion Culling cant find OcclusionList");
        }

        SetMeshRenderers();
    }