Alright so im simply making some npcs that look at their target, however for some reason thats causing issues whenever a player is spawned in compaired to the results i get when running it normally. Apparently its being replicated to the client in a jittering motion.
Server result:
Client result:
I have already found the function that causes this problem but as im pretty much a beginner i ran out of ways to fix it myself.
local function LookAtTarget()
if nearestTarget == nil then
return
end
local targetPosition = nearestTarget.HumanoidRootPart.Position
local rotation = Vector3.new(targetPosition.X, NPC.HumanoidRootPart.Position.Y, targetPosition.Z)
NPC.HumanoidRootPart.CFrame = CFrame.new(NPC.HumanoidRootPart.Position, rotation)
end
Usually the laggy motion is common for fast moving objects as the server can’t replicate the state of instances to the client quick enough for smooth motion. In this case your NPCs movements are replicating unusually slowly though. Could you share some more information about where your script is located, the rest of your movement code and how your NPCs are set up in the workspace? I can’t really think of any particular reason this might be happening otherwise.
Are you setting the rig’s network owner to the server? The jitter is sometimes caused when you haven’t done this.
If you haven’t, all you need to do is use Rig.PrimaryPart:SetNetworkOwner(nil) -- nil = server in a server script.
The NPCs are located inside a folder in the workspace and their script is locates inside the humanoid.
Heres the script for further information:
task.wait(0)
local NPC = script.Parent.Parent
NPC.PrimaryPart:SetNetworkOwner(nil)
local TargetFolder = game.Workspace.Monsters
local Target = nil
local CurrentNearestDistance = math.huge
local distance = 0
local nearestTarget = nil
local LastUpdate = tick()
local FireRange = 125
local FireValue = NPC.CanFire
local DebugValue = game.ServerScriptService.Debug
local DebugPart = nil
--Configurables--
local CooldownTime = 0.5
local function FindNearestEnemy()
local CurrentTime = tick()
if CurrentTime - LastUpdate < CooldownTime then
return
end
LastUpdate = tick()
local Targets = TargetFolder:GetChildren()
if #Targets == 0 then
return
end
local nearestDistance = math.huge
nearestTarget = nil
for i = 1, #Targets do
distance = (NPC.PrimaryPart.Position - Targets[i].PrimaryPart.Position).magnitude
if distance < nearestDistance and Targets[i].Humanoid.Health ~= 0 then
nearestDistance = distance
CurrentNearestDistance = distance
nearestTarget = Targets[i]
end
end
Target = nearestTarget
end
local function LookAtTarget()
if nearestTarget == nil then
return
end
local targetPosition = nearestTarget.HumanoidRootPart.Position
local rotation = Vector3.new(targetPosition.X, NPC.HumanoidRootPart.Position.Y, targetPosition.Z)
NPC.HumanoidRootPart.CFrame = CFrame.new(NPC.HumanoidRootPart.Position, rotation)
end
NPC.Humanoid.Died:Connect(function()
wait(5)
NPC:Destroy()
end)
while NPC.Humanoid.Health ~= 0 do
FindNearestEnemy()
LookAtTarget()
if DebugValue.Value == true and DebugPart == nil then
DebugPart = Instance.new("Part")
DebugPart.Parent = NPC
DebugPart.BrickColor = BrickColor.random()
DebugPart.Size = Vector3.new(0.2,0.2,0.2)
DebugPart.Anchored = true
DebugPart.CanCollide = false
DebugPart.CanTouch = false
elseif DebugValue.Value == false and DebugPart then
DebugPart:Destroy()
DebugPart = nil
end
if Target and Target.PrimaryPart then
local MoveToPosition = Target.PrimaryPart.Position + (Target.PrimaryPart.AssemblyLinearVelocity * 4)
NPC.Humanoid:MoveTo(MoveToPosition)
if DebugPart then
DebugPart.Position = MoveToPosition
end
end
if CurrentNearestDistance < FireRange and Target and Target.Humanoid and Target.Humanoid.Health ~= 0 then
FireValue.Value = true
else
FireValue.Value = false
end
task.wait(0.25)
end
Honestly I can’t really think of any reason this might be happening. The only solution I can come up with is to have the server only keep track of each NPCs position and rotation and to load / unload and move NPCs on the client through remote events.
Don’t use CFrame to change their rotation… Use constraints. In this case AlignOrientation. Just set Attachment0 to the HumanoidRootPart’s RootRigAttachment, the Mode to OneAttachment and the CFrame to the cframe you’re currently using to rotate the NPC.
