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

local LocalPlayer = Players.LocalPlayer

-- Key System
local keyGui = Instance.new("ScreenGui", LocalPlayer:WaitForChild("PlayerGui"))
keyGui.Name = "KeyGUI"
keyGui.ResetOnSpawn = false

local keyFrame = Instance.new("Frame", keyGui)
keyFrame.Size = UDim2.new(0, 300, 0, 200)
keyFrame.Position = UDim2.new(0.5, -150, 0.5, -100)
keyFrame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
keyFrame.BorderSizePixel = 0
keyFrame.Active = true
keyFrame.Draggable = true
Instance.new("UICorner", keyFrame).CornerRadius = UDim.new(0, 10)
local keyStroke = Instance.new("UIStroke", keyFrame)
keyStroke.Color = Color3.new(1, 1, 1)
keyStroke.Thickness = 2

local keyTitle = Instance.new("TextLabel", keyFrame)
keyTitle.Text = "Enter Key to Access GUI"
keyTitle.Size = UDim2.new(1, 0, 0, 40)
keyTitle.BackgroundTransparency = 1
keyTitle.Font = Enum.Font.GothamBold
keyTitle.TextColor3 = Color3.new(1, 1, 1)
keyTitle.TextScaled = true

local keyInput = Instance.new("TextBox", keyFrame)
keyInput.PlaceholderText = "Enter Key Here"
keyInput.Size = UDim2.new(0.9, 0, 0, 40)
keyInput.Position = UDim2.new(0.05, 0, 0, 50)
keyInput.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
keyInput.Font = Enum.Font.Gotham
keyInput.TextColor3 = Color3.new(1, 1, 1)
keyInput.TextScaled = true
Instance.new("UICorner", keyInput).CornerRadius = UDim.new(0, 6)

local submitButton = Instance.new("TextButton", keyFrame)
submitButton.Text = "Submit"
submitButton.Size = UDim2.new(0.9, 0, 0, 40)
submitButton.Position = UDim2.new(0.05, 0, 0, 100)
submitButton.BackgroundColor3 = Color3.fromRGB(60, 150, 60)
submitButton.Font = Enum.Font.GothamBold
submitButton.TextColor3 = Color3.new(1, 1, 1)
submitButton.TextScaled = true
Instance.new("UICorner", submitButton).CornerRadius = UDim.new(0, 6)

local discordButton = Instance.new("TextButton", keyFrame)
discordButton.Text = "Join the Discord for the key!"
discordButton.Size = UDim2.new(0.9, 0, 0, 40)
discordButton.Position = UDim2.new(0.05, 0, 0, 150)
discordButton.BackgroundColor3 = Color3.fromRGB(50, 50, 200)
discordButton.Font = Enum.Font.GothamBold
discordButton.TextColor3 = Color3.new(1, 1, 1)
discordButton.TextScaled = true
Instance.new("UICorner", discordButton).CornerRadius = UDim.new(0, 6)

discordButton.MouseButton1Click:Connect(function()
    setclipboard("https://discord.gg/FpTmRrzHXT")
end)

submitButton.MouseButton1Click:Connect(function()
    if keyInput.Text == "SanderHub" then
        keyGui:Destroy()

        -- Main GUI starts here
        local d = LocalPlayer
        local e = false
        local f = nil
        local g = 0.5
        local h = 10000
        local i = false

        local n = Instance.new("ScreenGui", d:WaitForChild("PlayerGui"))
        n.Name = "FlingGUI"
        n.ResetOnSpawn = false

        local o = Instance.new("Sound", n)
        o.SoundId = "rbxassetid://5852470908"
        o.Volume = 1

        local p = Instance.new("Sound", n)
        p.SoundId = "rbxassetid://6042053626"
        p.Volume = 1

        local q = Instance.new("Sound", n)
        q.SoundId = "rbxassetid://18439146929"
        q.Volume = 1

        local r = Instance.new("Frame", n)
        r.Size = UDim2.new(0, 300, 0, 210)
        r.Position = UDim2.new(0.5, -150, 0.5, -105)
        r.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
        r.BorderSizePixel = 0
        r.Active = true
        r.Draggable = true
        Instance.new("UICorner", r).CornerRadius = UDim.new(0, 10)
        local s = Instance.new("UIStroke", r)
        s.Color = Color3.new(1, 1, 1)
        s.Thickness = 2

        local t = Instance.new("TextLabel", r)
        t.Text = "Sander's GUI"
        t.Size = UDim2.new(1, 0, 0, 30)
        t.BackgroundTransparency = 1
        t.Font = Enum.Font.GothamBold
        t.TextColor3 = Color3.new(1, 1, 1)
        t.TextScaled = true

        local u = Instance.new("TextBox", r)
        u.PlaceholderText = "Enter partial name"
        u.Size = UDim2.new(0.9, 0, 0, 30)
        u.Position = UDim2.new(0.05, 0, 0, 40)
        u.BackgroundColor3 = Color3.fromRGB(50, 50, 50)
        u.Font = Enum.Font.Gotham
        u.TextColor3 = Color3.new(1, 1, 1)
        u.TextScaled = true
        Instance.new("UICorner", u).CornerRadius = UDim.new(0, 6)

        local v = Instance.new("TextButton", r)
        v.Text = "Start Fling"
        v.Size = UDim2.new(0.42, 0, 0, 30)
        v.Position = UDim2.new(0.05, 0, 0, 90)
        v.BackgroundColor3 = Color3.fromRGB(60, 150, 60)
        v.Font = Enum.Font.GothamBold
        v.TextColor3 = Color3.new(1, 1, 1)
        v.TextScaled = true
        Instance.new("UICorner", v).CornerRadius = UDim.new(0, 6)

        local w = Instance.new("TextButton", r)
        w.Text = "Stop"
        w.Size = UDim2.new(0.42, 0, 0, 30)
        w.Position = UDim2.new(0.53, 0, 0, 90)
        w.BackgroundColor3 = Color3.fromRGB(180, 50, 50)
        w.Font = Enum.Font.GothamBold
        w.TextColor3 = Color3.new(1, 1, 1)
        w.TextScaled = true
        Instance.new("UICorner", w).CornerRadius = UDim.new(0, 6)

        local x = Instance.new("TextButton", r)
        x.Text = "Teleport"
        x.Size = UDim2.new(0.42, 0, 0, 30)
        x.Position = UDim2.new(0.05, 0, 0, 140)
        x.BackgroundColor3 = Color3.fromRGB(50, 50, 200)
        x.Font = Enum.Font.GothamBold
        x.TextColor3 = Color3.new(1, 1, 1)
        x.TextScaled = true
        Instance.new("UICorner", x).CornerRadius = UDim.new(0, 6)

        local y = Instance.new("TextButton", r)
        y.Text = "Viewing: OFF"
        y.Size = UDim2.new(0.42, 0, 0, 30)
        y.Position = UDim2.new(0.53, 0, 0, 140)
        y.BackgroundColor3 = Color3.fromRGB(50, 200, 50)
        y.Font = Enum.Font.GothamBold
        y.TextColor3 = Color3.new(1, 1, 1)
        y.TextScaled = true
        Instance.new("UICorner", y).CornerRadius = UDim.new(0, 6)

        local function buttonEffects(button)
            button.MouseEnter:Connect(function()
                if o.IsLoaded then o:Play() end
            end)
            button.MouseButton1Click:Connect(function()
                if p.IsLoaded then p:Play() end
            end)
        end

        buttonEffects(v)
        buttonEffects(w)
        buttonEffects(x)
        buttonEffects(y)

        local function resolvePlayer(input)
            input = input:lower()
            for _, plr in pairs(Players:GetPlayers()) do
                if plr ~= d then
                    local name = plr.Name:lower()
                    local display = plr.DisplayName:lower()
                    if name:sub(1, #input) == input or display:sub(1, #input) == input then
                        return plr
                    end
                end
            end
        end

        u.FocusLost:Connect(function(af)
            if af then
                local ag = resolvePlayer(u.Text)
                if ag then
                    u.Text = ag.DisplayName .. " (@" .. ag.Name .. ")"
                    f = ag
                end
            end
        end)

        v.MouseButton1Click:Connect(function()
            if f then
                e = true
                local char = d.Character
                if char then
                    local hrp = char:FindFirstChild("HumanoidRootPart")
                    if hrp then hrp.Anchored = false end

                    local hum = char:FindFirstChild("Humanoid")
                    if hum then
                        hum:SetStateEnabled(Enum.HumanoidStateType.Seated, false)
                        hum:SetStateEnabled(Enum.HumanoidStateType.Climbing, false)
                        hum:SetStateEnabled(Enum.HumanoidStateType.Physics, false)
                        hum.Health = math.huge
                    end
                end
                workspace.CurrentCamera.CameraSubject = f.Character.Humanoid
                workspace.CurrentCamera.CameraType = Enum.CameraType.Attach
            end
        end)

        w.MouseButton1Click:Connect(function()
            e = false
            local char = d.Character
            if char then
                local hum = char:FindFirstChild("Humanoid")
                if hum then hum.Health = 0 end
            end
            workspace.CurrentCamera.CameraSubject = d.Character.Humanoid
            workspace.CurrentCamera.CameraType = Enum.CameraType.Custom
        end)

        x.MouseButton1Click:Connect(function()
            if f and f.Character and f.Character:FindFirstChild("HumanoidRootPart") then
                local target = f.Character.HumanoidRootPart
                d.Character:SetPrimaryPartCFrame(target.CFrame)
            end
        end)

        y.MouseButton1Click:Connect(function()
            i = not i
            if i then
                y.Text = "Viewing: ON"
                if f and f.Character and f.Character:FindFirstChild("HumanoidRootPart") then
                    workspace.CurrentCamera.CameraSubject = f.Character.Humanoid
                    workspace.CurrentCamera.CameraType = Enum.CameraType.Custom
                end
            else
                y.Text = "Viewing: OFF"
                workspace.CurrentCamera.CameraSubject = d.Character.Humanoid
                workspace.CurrentCamera.CameraType = Enum.CameraType.Custom
            end
        end)

        RunService.Heartbeat:Connect(function()
            local char = d.Character
            local root = char and char:FindFirstChild("HumanoidRootPart")
            if e and root and f and f.Character and f.Character:FindFirstChild("HumanoidRootPart") then
                local targetRoot = f.Character.HumanoidRootPart
                local predicted = targetRoot.Position + (targetRoot.Velocity * g)
                root.CFrame = CFrame.new(predicted + Vector3.new(0, 1, 0))
                root.Velocity = targetRoot.Velocity * 15 + Vector3.new(0, h, 0)
                root.RotVelocity = Vector3.new(100000, 100000, 100000)
            end
        end)
    else
        LocalPlayer:Kick("Incorrect Key Entered! Get the correct key from the Discord!")
    end
end)