local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local TweenService = game:GetService("TweenService")
local CoreGui = game:GetService("CoreGui")

local player = Players.LocalPlayer
local camera = workspace.CurrentCamera

-- Ayarlar ve Durum
local Settings = {
    Enabled = false,
    Speed = 100,
    SprintMultiplier = 3,
    Key = Enum.KeyCode.X,
    Smoothness = 0.15
}

local Velocity = Vector3.zero

-- GUI Oluşturma
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "NoclipGui"
ScreenGui.ResetOnSpawn = false
ScreenGui.Parent = CoreGui

local MainButton = Instance.new("TextButton")
MainButton.Size = UDim2.new(0, 150, 0, 50)
MainButton.Position = UDim2.new(0.5, -75, 0.05, 0)
MainButton.BackgroundColor3 = Color3.fromRGB(40, 0, 0)
MainButton.BorderSizePixel = 0
MainButton.BackgroundTransparency = 0.3
MainButton.Text = "NOCLIP: OFF"
MainButton.TextColor3 = Color3.fromRGB(255, 50, 50)
MainButton.Font = Enum.Font.GothamBold
MainButton.TextSize = 14
MainButton.Parent = ScreenGui

local UICorner = Instance.new("UICorner")
UICorner.CornerRadius = UDim.new(0, 10)
UICorner.Parent = MainButton

-- Sürüklenebilir Yapma (Mobil ve PC için)
local dragging, dragInput, dragStart, startPos
MainButton.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        dragging = true
        dragStart = input.Position
        startPos = MainButton.Position
    end
end)

MainButton.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch then
        dragInput = input
    end
end)

UserInputService.InputChanged:Connect(function(input)
    if input == dragInput and dragging then
        local delta = input.Position - dragStart
        MainButton.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + delta.X, startPos.Y.Scale, startPos.Y.Offset + delta.Y)
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
        dragging = false
    end
end)

-- Durum Güncelleme Fonksiyonu
local function toggleNoclip()
    Settings.Enabled = not Settings.Enabled
    if Settings.Enabled then
        MainButton.Text = "NOCLIP: ON"
        MainButton.TextColor3 = Color3.fromRGB(50, 255, 50)
        TweenService:Create(MainButton, TweenInfo.new(0.3), {BackgroundColor3 = Color3.fromRGB(0, 40, 0)}):Play()
    else
        MainButton.Text = "NOCLIP: OFF"
        MainButton.TextColor3 = Color3.fromRGB(255, 50, 50)
        TweenService:Create(MainButton, TweenInfo.new(0.3), {BackgroundColor3 = Color3.fromRGB(40, 0, 0)}):Play()
    end
end

-- Tetikleyiciler (Hem Tuş Hem Buton)
MainButton.MouseButton1Click:Connect(toggleNoclip)

UserInputService.InputBegan:Connect(function(input, gpe)
    if gpe then return end
    if input.KeyCode == Settings.Key then
        toggleNoclip()
    end
end)

-- Ana İşlem Döngüsü (Hatalar Giderildi)
RunService.Stepped:Connect(function(_, deltaTime)
    if not Settings.Enabled then return end
    
    local character = player.Character
    if not character or not character:IsDescendantOf(workspace) then return end
    
    local root = character:FindFirstChild("HumanoidRootPart")
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    if not root or not humanoid then return end

    -- Noclip Aktif Etme
    for _, part in pairs(character:GetDescendants()) do
        if part:IsA("BasePart") and part.CanCollide then
            part.CanCollide = false
        end
    end
    
    -- Hareket Hesaplama
    local moveDir = Vector3.zero
    
    if UserInputService:IsKeyDown(Enum.KeyCode.W) then moveDir += camera.CFrame.LookVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.S) then moveDir -= camera.CFrame.LookVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.D) then moveDir += camera.CFrame.RightVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.A) then moveDir -= camera.CFrame.RightVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.Space) then moveDir += Vector3.new(0, 1, 0) end
    if UserInputService:IsKeyDown(Enum.KeyCode.LeftControl) then moveDir -= Vector3.new(0, 1, 0) end
    
    -- Mobil Joystick Desteği
    if humanoid.MoveDirection.Magnitude > 0 then
        moveDir += humanoid.MoveDirection
    end

    -- Hız Hesaplama
    local currentSpeed = Settings.Speed
    if UserInputService:IsKeyDown(Enum.KeyCode.LeftShift) then
        currentSpeed *= Settings.SprintMultiplier
    end
    
    local targetVelocity = moveDir.Magnitude > 0 and (moveDir.Unit * currentSpeed) or Vector3.zero
    Velocity = Velocity:Lerp(targetVelocity, Settings.Smoothness)
    
    -- Pozisyonu deltaTime ile güvenli şekilde güncelleme (Çökmeyi önler)
    root.CFrame = root.CFrame + (Velocity * deltaTime)
    
    -- Fizikleri Sıfırlama
    root.AssemblyLinearVelocity = Vector3.zero
    root.AssemblyAngularVelocity = Vector3.zero
    if humanoid.FloorMaterial ~= Enum.Material.Air then
        humanoid:ChangeState(Enum.HumanoidStateType.Physics)
    end
end)

-- Karakter Yenilendiğinde Sıfırla
player.CharacterAdded:Connect(function()
    if Settings.Enabled then
        toggleNoclip()
    end
end)

print("Gelişmiş Noclip Başarıyla Yüklendi!")