-- Настройки
local BASE_SPEED = 50
local SPEED_MULTIPLIER = 3
local MOUSE_SENSITIVITY = 0.2
local TOGGLE_KEY = Enum.KeyCode.P
local ACCEL_KEY = Enum.KeyCode.LeftControl
local SHIFT_KEYS = {Enum.KeyCode.LeftShift, Enum.KeyCode.RightShift}

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

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

local isActive = false
local yaw = 0
local pitch = 0
local currentPosition = Vector3.zero
local originalWalkSpeed = 0
local originalJumpPower = 0

local function isShiftDown()
    for _, key in ipairs(SHIFT_KEYS) do
        if UserInputService:IsKeyDown(key) then
            return true
        end
    end
    return false
end

local function toggleFreeCam()
    isActive = not isActive
    if isActive then
        local character = player.Character
        if character then
            local humanoid = character:FindFirstChildOfClass("Humanoid")
            if humanoid then
                originalWalkSpeed = humanoid.WalkSpeed
                originalJumpPower = humanoid.JumpPower
                humanoid.WalkSpeed = 0
                humanoid.JumpPower = 0
            end
        end

        camera.CameraType = Enum.CameraType.Scriptable
        UserInputService.MouseBehavior = Enum.MouseBehavior.LockCenter
        UserInputService.MouseIconEnabled = false

        local cf = camera.CFrame
        local look = cf.LookVector
        yaw = math.deg(math.atan2(-look.X, -look.Z))
        pitch = math.deg(math.asin(look.Y))
        currentPosition = cf.Position
    else
        local character = player.Character
        if character then
            local humanoid = character:FindFirstChildOfClass("Humanoid")
            if humanoid then
                humanoid.WalkSpeed = originalWalkSpeed
                humanoid.JumpPower = originalJumpPower
            end
        end

        camera.CameraType = Enum.CameraType.Custom
        UserInputService.MouseBehavior = Enum.MouseBehavior.Default
        UserInputService.MouseIconEnabled = true
    end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if input.KeyCode == TOGGLE_KEY and isShiftDown() then
        toggleFreeCam()
    end
end)

UserInputService.InputChanged:Connect(function(input, gameProcessed)
    if gameProcessed then return end
    if not isActive then return end
    if input.UserInputType == Enum.UserInputType.MouseMovement then
        yaw = yaw - input.Delta.X * MOUSE_SENSITIVITY
        pitch = math.clamp(pitch - input.Delta.Y * MOUSE_SENSITIVITY, -89, 89)
    end
end)

RunService.RenderStepped:Connect(function(dt)
    if not isActive then return end

    local moveDirection = Vector3.zero
    if UserInputService:IsKeyDown(Enum.KeyCode.W) then moveDirection += camera.CFrame.LookVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.S) then moveDirection -= camera.CFrame.LookVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.A) then moveDirection -= camera.CFrame.RightVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.D) then moveDirection += camera.CFrame.RightVector end
    if UserInputService:IsKeyDown(Enum.KeyCode.Q) then moveDirection += Vector3.yAxis end
    if UserInputService:IsKeyDown(Enum.KeyCode.E) then moveDirection -= Vector3.yAxis end

    if moveDirection.Magnitude > 0 then
        moveDirection = moveDirection.Unit
    end

    local speed = BASE_SPEED
    if UserInputService:IsKeyDown(ACCEL_KEY) then
        speed *= SPEED_MULTIPLIER
    end

    currentPosition += moveDirection * speed * dt

    local rotation = CFrame.fromEulerAnglesYXZ(math.rad(pitch), math.rad(yaw), 0)
    camera.CFrame = CFrame.new(currentPosition) * rotation
end)