create monster if no monster

[xavierek]

hello im looking for help in make script


We have square 10 x 10 and script will be sumon ther monster if this monster dont exist i thing the best way make it in global interval 500 ms only i dont know how to check position is ther monster

 

[xavierek]

function onThink(interval, lastExecution)
        local room = {     -- room with demons
        fromX = 499,
        fromY = 439,
        fromZ = 6,
        --------------
        toX = 500,
        toY = 442,
        toZ = 6
        }
		


                for x = room.fromX, room.toX do
                        for y = room.fromY, room.toY do
                                for z = room.fromZ, room.toZ do
									local pos = {x=x, y=y, z=z, stackpos = 253}
									local thing = getThingfromPos(pos)
									if isMonster(thing.uid) == false then
doSummonCreature("The New", pos)										
									end
								end
							end
						end

return true
end

Done ... xD