Realistic First Person Script

local player = game.Players.LocalPlayer
local camera = workspace.CurrentCamera
local runService = game:GetService("RunService")
local userInput = game:GetService("UserInputService")

camera.CameraType = Enum.CameraType.Scriptable
player.CameraMode = Enum.CameraMode.Classic

local sensitivity = 0.15
local pitch = 0
local yaw = 0

local function hideHeadAndAccessories(character)
	for _, obj in pairs(character:GetDescendants()) do
		-- Hide head
		if obj:IsA("BasePart") and obj.Name == "Head" then
			obj.LocalTransparencyModifier = 1
		end

		-- Hide hair/accessories
		if obj:IsA("Accessory") then
			local handle = obj:FindFirstChild("Handle")
			if handle then
				handle.LocalTransparencyModifier = 1
			end
		end
	end
end

local function setupCharacter(character)
	local humanoid = character:WaitForChild("Humanoid")
	local root = character:WaitForChild("HumanoidRootPart")
	local head = character:WaitForChild("Head")

	humanoid.AutoRotate = false
	hideHeadAndAccessories(character)

	userInput.MouseBehavior = Enum.MouseBehavior.LockCenter
	userInput.MouseIconEnabled = false

	userInput.InputChanged:Connect(function(input)
		if input.UserInputType == Enum.UserInputType.MouseMovement then
			yaw -= input.Delta.X * sensitivity
			pitch -= input.Delta.Y * sensitivity
			pitch = math.clamp(pitch, -80, 80)
		end
	end)

	runService.RenderStepped:Connect(function()
		if humanoid.Health <= 0 then return end

		-- Rotate character only on Y axis
		root.CFrame = CFrame.new(root.Position) * CFrame.Angles(0, math.rad(yaw), 0)

		-- Camera attached to real head
		camera.CFrame =
			head.CFrame
			* CFrame.Angles(math.rad(pitch), 0, 0)
			* CFrame.new(0, 0, -0.4)
	end)
end

if player.Character then
	setupCharacter(player.Character)
end

player.CharacterAdded:Connect(setupCharacter)