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# How would I make a monster spawner but the monsters can only walk in certain areas?

Edited 8 days ago

I have made a part that spawns monsters but haven't made the script for it yet. The main bit is making the monsters not being able to travel in different stages in my game, I want them to have a restricted zone for where they can go. Can you help me?

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Edited 8 days ago

You can use PathfindingService. PathfindingService let’s your NPC to go from one destination to another without bumping into walls or falling down holes. You can read the introduction in the wiki, DevForum, or a youtube video.

Those are some introductions to Pathfinding. To make a full AI to your monster, I recommend making waypoints (basically destination parts that the NPC can go in the map) and following GnomeCode’s Teddy AI Tutorial because it helps.

And to respawn the NPC when it get’s stuck for amount of time (let’s say 10 seconds), we can get it’s original spawn position, and when it reaches it’s max retries, it respawns. So it should look like this:

local StuckRetries = 0
local MaxStuckRetries = 10
local teddy = script.Parent
local spawnPoint = teddy.HumanoidRootPart.CFrame

while true do
local currentPos = teddy.HumanoidRootPart.Position
if (teddy.HumanoidRootPart.Position - currentPos).Magnitude < 1 then -- checks if the npc is staying in it’s position
StuckRetries += 1 -- adds the retries
if StuckRetries >= MaxStuckRetries then -- if the retries reached it’s limit
teddy:PivotTo(spawnPoint) -- teleports the npc to spawn
StuckRetries = 0 -- resets the retries
end
else
StuckRetries = 0 -- resets if the npc unstucks itself
end
end
end