   TEXTURE_SIZE_P : 0
   BUCKETS_PER_ROW : 0
   MAP_SIZE : 0
-  RECURSION_PLACEHOLDER : {}
+  RECURSION_PLACEHOLDER : {recursionPlaceholder: true}
   DELTA : [0, 5, 10]
   U : 0
   V : 0
   W : 0
 
   NOT_LOADED_BUCKET_INTENSITY : 100
-  NOT_LOADED_BUCKET_PLACEHOLDER : {}
+  NOT_LOADED_BUCKET_PLACEHOLDER : {notLoadedBucketPlaceholder: true}
 
   cube : null
   queue : null

    bucket[@V] += tile[1]

    map = @generateRenderMap(bucket)
    @renderSubTile(map, 0, tile, @dataTexture.zoomStep)



    for i in [0..@cube.LOOKUP_DEPTH_DOWN]
      @MAP_SIZE += 1 << (i << 1)

    [@U, @V, @W] = Dimensions.getIndices(@index)

    @dataTexture = { renderTile: @renderDataTile }

