Bugfixed pathfinding2.1

--[[
	This script demonstrates simple pathfinding.
	https://developer.roblox.com/articles/Pathfinding
--]]

local PathfindingService = game:GetService("PathfindingService")

print("Variables for the zombie, its humanoid, and destination")
local zombie = game.Workspace.Zombie
local humanoid = zombie.Humanoid
local points = game.Workspace.Points

 --Variables to store waypoints table and zombie's current waypoint
local waypoints
local currentWaypointIndex

local function followPath(destinationObject)
	if destinationObject == nil then return end -- base case, thanks Dr. Burks for CSC 212!
	local path = PathfindingService:CreatePath()
	print("Create the path object")

	print("Compute and check the path")
	path:ComputeAsync(zombie.HumanoidRootPart.Position, destinationObject.Position)

	print("Empty waypoints table after each new path computation")
	waypoints = {}

	--recursive function
	local function onPathBlocked(blockedWaypointIndex, point)
		print("Check if the obstacle is further down the path")
		if blockedWaypointIndex > currentWaypointIndex then
			-- Call function to re-compute the path
			followPath(point)
		end
	end

	local function onWaypointReached(reached)
		if reached and currentWaypointIndex < #waypoints then
			currentWaypointIndex = currentWaypointIndex + 1
			humanoid:MoveTo(waypoints[currentWaypointIndex].Position)
		end
	end

	print("Connect 'Blocked' event to the 'onPathBlocked' function")
	path.Blocked:Connect(onPathBlocked)
	print("Connect 'MoveToFinished' event to the 'onWaypointReached' function")
	humanoid.MoveToFinished:Connect(onWaypointReached)

	if path.Status == Enum.PathStatus.Success then
		print("Get the path waypoints and start zombie walking")
		waypoints = path:GetWaypoints()
		for _, waypoint in pairs(waypoints) do
			local part = Instance.new("Part")
			part.Shape = "Ball"
			part.Material = "Neon"
			part.Size = Vector3.new(0.6, 0.6, 0.6)
			part.Position = waypoint.Position
			part.Anchored = true
			part.CanCollide = false
			part.Parent = game.Workspace
		end
		print("Move to first waypoint")
		currentWaypointIndex = 1
		humanoid:MoveTo(waypoints[currentWaypointIndex].Position)
	else
		print("Error (path not found); stop humanoid")
		humanoid:MoveTo(zombie.HumanoidRootPart.Position)
	end

	return true
end

local waitime = 10

followPath(points.pointA)
wait(waitime)
followPath(points.pointB)
wait(waitime)
followPath(points.pointC)
wait(waitime)
followPath(points.pointD)
wait(waitime)
followPath(points.pointA)
wait(waitime)
followPath(points.pointC)
wait(waitime)
followPath(points.pointB)
wait(waitime)
followPath(points.pointD)
print("Done")