control.lua

   1
   2 -- remove generated trees.
   3 script.on_event(defines.events.on_chunk_generated, function(e)
   4     for key, entity in pairs(e.surface.find_entities(e.area)) do
   5         if entity.type == "tree" then
   6             entity.destroy()
   7         end
   8     end
   9 end)