Custom Camera

--// Made by MohhayScripts


--// Null Init

local Null = require(game:GetService("ReplicatedStorage").Null)


--// Services

local TweenService = game:GetService("TweenService")
local UserInputService = game:GetService("UserInputService")


--// Varaibles

local Character = script.Parent
local Camera = Null.Camera
local Mouse = Null.Mouse

local Root = Character:WaitForChild("HumanoidRootPart")
local Humanoid = Character:WaitForChild("Humanoid")

local neck = Character:WaitForChild("Head"):WaitForChild("Neck")
local waist = Character:WaitForChild("UpperTorso"):WaitForChild("Waist")
local originalWaist = waist.C0

local originalNeck = neck.C0

local CameraXSensitivity = 0.005

local IsMouseLocked = true
local left = false

local yaw = 0
local pitch = 0

local lastTween

local params = RaycastParams.new()
params.FilterType = Enum.RaycastFilterType.Blacklist
params.FilterDescendantsInstances = {Character}


--// Init

Camera.CameraType = Enum.CameraType.Scriptable
UserInputService.MouseIconEnabled = false

UserInputService.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Keyboard then
        if input.KeyCode == Enum.KeyCode.LeftAlt then
            IsMouseLocked = not IsMouseLocked

            if Camera.CameraType == Enum.CameraType.Scriptable then
                Camera.CameraType = Enum.CameraType.Custom
                UserInputService.MouseIconEnabled = true
            else
                Camera.CameraType = Enum.CameraType.Scriptable
                UserInputService.MouseIconEnabled = false
            end
        elseif input.KeyCode == Enum.KeyCode.Q then
            left = not left
        end
    end
end)

UserInputService.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseMovement then
        yaw = yaw - input.Delta.X * CameraXSensitivity
        pitch = math.clamp(pitch - input.Delta.Y * CameraXSensitivity, -math.pi/2 + 0.01, math.pi/2 - 0.01)

        neck.C0 = originalNeck * CFrame.Angles(pitch / 2, 0, 0)
        waist.C0 = originalWaist * CFrame.Angles(pitch / 2, 0, 0)
    end
end)

game:GetService("RunService"):BindToRenderStep("customCamera", 201, function()
    local focus = Root.Position
    local cameraCFrame = CFrame.fromOrientation(pitch, yaw, 0) * (left and CFrame.new(-3,3,10) or CFrame.new(3, 3, 10)) + Root.Position
    local result = workspace:Raycast(focus, cameraCFrame.Position - focus, params)

    if result then
        cameraCFrame = CFrame.fromMatrix(result.Position, cameraCFrame.RightVector, cameraCFrame.UpVector, -cameraCFrame.LookVector)
    end

    if IsMouseLocked then
        if lastTween then
            lastTween:Pause()
        end

        lastTween = TweenService:Create(Camera,TweenInfo.new(.2),{CFrame = cameraCFrame})
        lastTween:Play()
    else
        if lastTween then
            lastTween:Pause()
        end

        Camera.CFrame = cameraCFrame
    end

    if IsMouseLocked then
        UserInputService.MouseBehavior = Enum.MouseBehavior.LockCenter
    else
        UserInputService.MouseBehavior = Enum.MouseBehavior.Default
    end
end)