Roblox Script Generated by ScripterAI

"make it so the npc can detect walls and obstacles and go around them"

-- local script 
local PathfindingService = game:GetService("PathfindingService")
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")

local npc = script.Parent
local humanoid = npc:FindFirstChild("Humanoidd")
local rootPart = npc:FindFirstChild("HumanoidRootPart")

local path = PathfindingService:CreatePath()
local waypoints = {}

local followDistance = 20

local function moveTo(position)
	path:ComputeAsync(rootPart.Position, position)
	waypoints = path:GetWaypoints()
	for _, waypoint in ipairs(waypoints) do
		if waypoint.Action == Enum.PathWaypointAction.Jump then
			humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
		end
		humanoid:MoveTo(waypoint.Position)
		humanoid.MoveToFinished:Wait()
	end
end

local function findNearestPlayer()
	local nearestPlayer = nil
	local shortestDistance = math.huge
	for _, player in ipairs(Players:GetPlayers()) do
		if player.Character then
			local distance = (player.Character.PrimaryPart.Position - rootPart.Position).Magnitude
			if distance < shortestDistance then
				nearestPlayer = player
				shortestDistance = distance
			end
		end
	end
	return nearestPlayer, shortestDistance
end

local waypointIndex = 1
local waypointFolder = game.Workspace.Zombie.Waypoints
local waypointParts = waypointFolder:GetChildren()

while true do
	local nearestPlayer, distance = findNearestPlayer()
	if nearestPlayer and distance <= followDistance then
		moveTo(nearestPlayer.Character.PrimaryPart.Position)
	else
		if waypointIndex > #waypointParts then
			waypointIndex = 1
		end
		moveTo(waypointParts[waypointIndex].Position)
		waypointIndex = waypointIndex + 1
	end
	wait(0.2)
end