1. local neck = workspace.Dummy.Head.Neck
2. local NPC = workspace.Dummy
3.  
4. function getClosestPlayer()
5.         local closest_player, closest_distance = nil, 30
6.         for i, player in pairs(workspace:GetChildren()) do
7.                 if player:FindFirstChild("Humanoid") and player ~= NPC then
8.                         local distance = (NPC.PrimaryPart.Position - player.PrimaryPart.Position).Magnitude
9.                         if distance < closest_distance then
10.                                 closest_player = player
11.                                 closest_distance = distance
12.                         end
13.                 end
14.         end
15.         return closest_player
16. end
17.  
18. local cframe0 = neck.C0
19. while true do
20.         local player = getClosestPlayer()
21.         if player then
22.                 local is_in_front = NPC.PrimaryPart.CFrame:ToObjectSpace(player.PrimaryPart.CFrame).Z < 0
23.                 if is_in_front then
24.                         local unit = -(NPC.PrimaryPart.CFrame.p - player.PrimaryPart.Position).unit
25.                         neck.C0 = cframe0 * CFrame.new(Vector3.new(0, 0, 0), unit)
26.                 end
27.         end
28.         wait()
29. end