     @background     = new Image()
     @background.src = opts.background || ''
     @entities       = new Kona.Store
+    @entityCache    = [] # Internal
     @next           = opts.next || null
+
 
     @loadEntities(opts.entities) if opts.entities?
     Kona.Scenes.scenes.push(@)

      y += Kona.Tile.tileSize


  # Internal: Remove an entity from its group.
  # Prefer `entity.destroy()` instead of calling this directly.
  #

    entity.loadAnimations()
    @entities.add(entity.group, entity)
    Kona.Scenes.persistentEntities.push(entity) if entity.persistent
    @expireEntityCache()


  # Internal: Initialize and construct the associated entities for a scene
