Help With Pathfinding Constantly Updating

[Abstler]

Hello, I’m trying to learn how to use pathfinding currently however I’ve run into a problem. I don’t know how to update pathfinding to find the nearest player.

I’ve attempted it myself, already but it either lags the game a lot or just goes backwards for a few second. And from what I’m aware there’s nothing in the documentations to help me.

Anyways here’s the script (Also it’s a module script to prevent lag with multiple zombies)

local PathfindingService = game:GetService("PathfindingService")

function Module.Summon(Zombie)
	local MoveToPos = workspace.MoveToPart.Position --This is temporary
	local Path = PathfindingService:CreatePath({
		AgentCanJump = true,
		AgentRadius = 3,
		AgentHeight = 6,
	})

	local function FollowPlayer()
		local succ, err = pcall(function()
			Path:ComputeAsync(Zombie.HumanoidRootPart.Position, MoveToPos)
		end)
		if succ and Path.Status == Enum.PathStatus.Success then
			for i, v in Path:GetWaypoints() do
				local Pathway = Instance.new("Part") --Just to display the path
				Pathway.Parent = workspace
				Pathway.Anchored = true
				Pathway.CanCollide = false
				Pathway.Size = Vector3.new(1,1,1)
				Pathway.Position = v.Position
				Pathway.Transparency = 0.65
			end
		else
			warn(err)
		end
	end
end

[MysteryX2076 (DrMystery)]

Try not to create functions in other functions. Doesn’t look nice though you can do it

function FindNearestPlayer()
   local nearestplayer
   local maxdistance = 10000
   for _,plr in pairs(game.Players:GetPlayers()) do
      local distance = (plr.Character.HumanoidRootPart.Position - Zombie.HumanoidRootPart.Position).Magnitude
      if distance < maxdistance then
         nearestplayer = plr
         maxdistance = distance -- Shorten the distance so npc won't get distracted by further players
      end
   end
   return nearestplayer
end

You can call this function in your followplayer function to get the nearest player

[Abstler]

Hey, it works but I still need help with the zombie always following the player and not cause lag. As of now it just moves to the player’s location and then stops

[LuaVMX (lua)]

its stops cause ur not looping the FollowPlayer thing
also the lag is caused by the Pathways most likely

[Abstler]

I’ve tried to make it loop but like I said, it either lags the game or the zombie randomly goes backwards to a previous waypoint.

Also, I’ve already tried to remove the pathway parts but pretty sure it lags because there’s multiple zombies looping the function

[LuaVMX (lua)]

try giving simplepath a try, im using it for my game that uses 50+ enemies and i get no lag from it

SimplePath - Pathfinding Module

[banner] SimplePath is an open-source pathfinding module that gives you the ability to quickly create a pathfinding script for humanoids and non-humanoids with just a few lines of code. Pathfinding is done using Roblox’s PathfindingService. This module works by using a “repetitive” approach to pathfinding. The pathfinding agent moves a more efficient path when computed repetitively instead of just once. Part of the reason why is because computing the path once doesn’t guarantee that the agen…

its also super easy to use:

--Import the module so you can start using it
local ServerStorage = game:GetService("ServerStorage")
local SimplePath = require(ServerStorage.SimplePath)

--Define npc
local Dummy = workspace.Dummy

-- Define a part called "Goal"
local Goal = workspace.Goal

--Create a new Path using the Dummy
local Path = SimplePath.new(Dummy)

--Helps to visualize the path
Path.Visualize = true

while true do
    Path:Run(Goal)
end

[Abstler]

So it works! But I still kind of wanna learn how to USE pathfinding incase I ever make different types of zombies. For now this will do though.

Thanks!