local Speed = 30

local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local RunService = game:GetService("RunService")
local LocalPlayer = Players.LocalPlayer
local HumanoidRP = LocalPlayer.Character:WaitForChild("HumanoidRootPart")

local isFlying = false
local flyConnection = nil
local BV, BG = nil, nil

local ScreenGui = Instance.new("ScreenGui")
local DragBall = Instance.new("TextButton")
local FlyPanel = Instance.new("Frame")
local FlyToggle = Instance.new("TextButton")
local SpeedInput = Instance.new("TextBox")
local SpeedLabel = Instance.new("TextLabel")

local FlyControls = Instance.new("Frame")
local ForwardButton = Instance.new("TextButton")
local BackwardButton = Instance.new("TextButton")
local LeftButton = Instance.new("TextButton")
local RightButton = Instance.new("TextButton")

local VerticalControls = Instance.new("Frame")
local UpButton = Instance.new("TextButton")
local DownButton = Instance.new("TextButton")

ScreenGui.Parent = game.CoreGui
ScreenGui.ZIndexBehavior = Enum.ZIndexBehavior.Sibling

DragBall.Name = "DragBall"
DragBall.Parent = ScreenGui
DragBall.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
DragBall.BorderColor3 = Color3.fromRGB(255, 165, 0)
DragBall.Position = UDim2.new(0, 10, 0, 10)
DragBall.Size = UDim2.new(0, 80, 0, 80)
DragBall.Font = Enum.Font.SourceSans
DragBall.Text = "happy飞车"
DragBall.TextColor3 = Color3.fromRGB(255, 255, 255)
DragBall.TextScaled = true
DragBall.TextSize = 14.000
DragBall.TextWrapped = true
DragBall.ZIndex = 10
DragBall.Active = true
DragBall.Draggable = true

FlyPanel.Name = "FlyPanel"
FlyPanel.Parent = ScreenGui
FlyPanel.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
FlyPanel.BorderSizePixel = 1
FlyPanel.BorderColor3 = Color3.fromRGB(255, 165, 0)
FlyPanel.Position = UDim2.new(0, 90, 0, 10)
FlyPanel.Size = UDim2.new(0, 150, 0, 120)
FlyPanel.Visible = false
FlyPanel.ZIndex = 5

FlyToggle.Name = "FlyToggle"
FlyToggle.Parent = FlyPanel
FlyToggle.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
FlyToggle.BorderColor3 = Color3.fromRGB(255, 165, 0)
FlyToggle.Position = UDim2.new(0, 10, 0, 10)
FlyToggle.Size = UDim2.new(0, 130, 0, 40)
FlyToggle.Font = Enum.Font.SourceSans
FlyToggle.Text = "开始飞行"
FlyToggle.TextColor3 = Color3.fromRGB(255, 255, 255)
FlyToggle.TextScaled = true
FlyToggle.TextSize = 14.000
FlyToggle.TextWrapped = true
FlyToggle.ZIndex = 6

SpeedLabel.Name = "SpeedLabel"
SpeedLabel.Parent = FlyPanel
SpeedLabel.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
SpeedLabel.Position = UDim2.new(0, 10, 0, 60)
SpeedLabel.Size = UDim2.new(0, 60, 0, 25)
SpeedLabel.Font = Enum.Font.SourceSans
SpeedLabel.Text = "飞行速度:"
SpeedLabel.TextColor3 = Color3.fromRGB(255, 255, 255)
SpeedLabel.TextScaled = true
SpeedLabel.TextSize = 12.000
SpeedLabel.TextWrapped = true
SpeedLabel.TextXAlignment = Enum.TextXAlignment.Left
SpeedLabel.ZIndex = 6

SpeedInput.Name = "SpeedInput"
SpeedInput.Parent = FlyPanel
SpeedInput.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
SpeedInput.BorderColor3 = Color3.fromRGB(255, 165, 0)
SpeedInput.Position = UDim2.new(0, 75, 0, 60)
SpeedInput.Size = UDim2.new(0, 65, 0, 25)
SpeedInput.Font = Enum.Font.SourceSans
SpeedInput.PlaceholderText = tostring(Speed)
SpeedInput.Text = ""
SpeedInput.TextColor3 = Color3.fromRGB(255, 255, 255)
SpeedInput.TextScaled = true
SpeedInput.TextSize = 14.000
SpeedInput.ZIndex = 6

FlyControls.Name = "FlyControls"
FlyControls.Parent = ScreenGui
FlyControls.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
FlyControls.BorderColor3 = Color3.fromRGB(255, 165, 0)
FlyControls.Position = UDim2.new(0, 20, 1, -180)
FlyControls.Size = UDim2.new(0, 240, 0, 160)
FlyControls.Visible = false
FlyControls.ZIndex = 8

LeftButton.Name = "LeftButton"
LeftButton.Parent = FlyControls
LeftButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
LeftButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
LeftButton.Position = UDim2.new(0, 10, 0, 50)
LeftButton.Size = UDim2.new(0, 60, 0, 60)
LeftButton.Font = Enum.Font.SourceSans
LeftButton.Text = "向左"
LeftButton.TextColor3 = Color3.fromRGB(255, 255, 255)
LeftButton.TextScaled = true
LeftButton.TextSize = 14.000
LeftButton.TextWrapped = true
LeftButton.ZIndex = 9

ForwardButton.Name = "ForwardButton"
ForwardButton.Parent = FlyControls
ForwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
ForwardButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
ForwardButton.Position = UDim2.new(0, 80, 0, 10)
ForwardButton.Size = UDim2.new(0, 60, 0, 60)
ForwardButton.Font = Enum.Font.SourceSans
ForwardButton.Text = "前进"
ForwardButton.TextColor3 = Color3.fromRGB(255, 255, 255)
ForwardButton.TextScaled = true
ForwardButton.TextSize = 14.000
ForwardButton.TextWrapped = true
ForwardButton.ZIndex = 9

BackwardButton.Name = "BackwardButton"
BackwardButton.Parent = FlyControls
BackwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
BackwardButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
BackwardButton.Position = UDim2.new(0, 80, 0, 90)
BackwardButton.Size = UDim2.new(0, 60, 0, 60)
BackwardButton.Font = Enum.Font.SourceSans
BackwardButton.Text = "后退"
BackwardButton.TextColor3 = Color3.fromRGB(255, 255, 255)
BackwardButton.TextScaled = true
BackwardButton.TextSize = 14.000
BackwardButton.TextWrapped = true
BackwardButton.ZIndex = 9

RightButton.Name = "RightButton"
RightButton.Parent = FlyControls
RightButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
RightButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
RightButton.Position = UDim2.new(0, 150, 0, 50)
RightButton.Size = UDim2.new(0, 60, 0, 60)
RightButton.Font = Enum.Font.SourceSans
RightButton.Text = "向右"
RightButton.TextColor3 = Color3.fromRGB(255, 255, 255)
RightButton.TextScaled = true
RightButton.TextSize = 14.000
RightButton.TextWrapped = true
RightButton.ZIndex = 9

VerticalControls.Name = "VerticalControls"
VerticalControls.Parent = ScreenGui
VerticalControls.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
VerticalControls.BorderColor3 = Color3.fromRGB(255, 165, 0)
VerticalControls.Position = UDim2.new(1, -100, 1, -180)
VerticalControls.Size = UDim2.new(0, 80, 0, 160)
VerticalControls.Visible = false
VerticalControls.ZIndex = 8

UpButton.Name = "UpButton"
UpButton.Parent = VerticalControls
UpButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
UpButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
UpButton.Position = UDim2.new(0, 10, 0, 10)
UpButton.Size = UDim2.new(0, 60, 0, 60)
UpButton.Font = Enum.Font.SourceSans
UpButton.Text = "向上"
UpButton.TextColor3 = Color3.fromRGB(255, 255, 255)
UpButton.TextScaled = true
UpButton.TextSize = 14.000
UpButton.TextWrapped = true
UpButton.ZIndex = 9

DownButton.Name = "DownButton"
DownButton.Parent = VerticalControls
DownButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
DownButton.BorderColor3 = Color3.fromRGB(255, 165, 0)
DownButton.Position = UDim2.new(0, 10, 0, 90)
DownButton.Size = UDim2.new(0, 60, 0, 60)
DownButton.Font = Enum.Font.SourceSans
DownButton.Text = "向下"
DownButton.TextColor3 = Color3.fromRGB(255, 255, 255)
DownButton.TextScaled = true
DownButton.TextSize = 14.000
DownButton.TextWrapped = true
DownButton.ZIndex = 9

local isMovingForward = false
local isMovingBackward = false
local isMovingLeft = false
local isMovingRight = false
local isMovingUp = false
local isMovingDown = false

local smartFlyMode = false
local originalSeatPart = nil

local function setCharacterLookDirection(character, lookVector)
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    if not humanoid then return end
    
    if smartFlyMode and humanoid.Sit then
        return
    end
    
    if humanoid.RigType == Enum.HumanoidRigType.R6 then
        local torso = character:FindFirstChild("Torso")
        if torso then
            local currentCFrame = torso.CFrame
            local newCFrame = CFrame.new(currentCFrame.Position, currentCFrame.Position + lookVector)
            torso.CFrame = newCFrame
        end
    else
        local humanoidRootPart = character:FindFirstChild("HumanoidRootPart")
        if humanoidRootPart then
            local currentCFrame = humanoidRootPart.CFrame
            local newCFrame = CFrame.new(currentCFrame.Position, currentCFrame.Position + lookVector)
            humanoidRootPart.CFrame = newCFrame
        end
    end
end

local function canCharacterFly(character)
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    if not humanoid then return false end
    
    if humanoid.Health <= 0 then return false end
    
    local humanoidRootPart = character:FindFirstChild("HumanoidRootPart")
    if not humanoidRootPart then return false end
    
    return true
end

local function isCharacterSitting(character)
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    return humanoid and humanoid.Sit
end

local function getSeatedPart(character)
    local humanoid = character:FindFirstChildOfClass("Humanoid")
    if humanoid and humanoid.Sit then
        return humanoid.SeatPart
    end
    return nil
end

local function startFlying()
    if isFlying then return end
    
    if not canCharacterFly(LocalPlayer.Character) then
        print("can't start flying")
        return
    end
    
    local isSitting = isCharacterSitting(LocalPlayer.Character)
    local seatPart = getSeatedPart(LocalPlayer.Character)
    
    if isSitting and seatPart then
        smartFlyMode = true
        originalSeatPart = seatPart
    else
        smartFlyMode = false
        originalSeatPart = nil
    end
    
    isFlying = true
    FlyToggle.Text = "停止飞行"
    FlyToggle.BackgroundColor3 = Color3.fromRGB(50, 0, 0)
    FlyControls.Visible = true
    VerticalControls.Visible = true
    
    BV = Instance.new("BodyVelocity")
    BG = Instance.new("BodyGyro")
    
    BV.Parent = HumanoidRP
    BG.Parent = HumanoidRP
    
    BG.MaxTorque = Vector3.new(math.huge, math.huge, math.huge)
    BG.D = 5000
    BG.P = 50000
    
    BV.MaxForce = Vector3.new(math.huge, math.huge, math.huge)
    BV.Velocity = Vector3.new(0, 0, 0)
    
    isMovingForward = false
    isMovingBackward = false
    isMovingLeft = false
    isMovingRight = false
    isMovingUp = false
    isMovingDown = false
    
    flyConnection = RunService.Heartbeat:Connect(function()
        if not isFlying or not HumanoidRP or not BV or not BG then
            return
        end
        
        if not canCharacterFly(LocalPlayer.Character) then
            stopFlying()
            return
        end
        
        local camera = workspace.CurrentCamera
        local currentSpeed = Speed
        if SpeedInput.Text ~= "" and tonumber(SpeedInput.Text) then
            currentSpeed = tonumber(SpeedInput.Text)
        end
        
        local cameraLookVector = camera.CFrame.LookVector
        local cameraRightVector = camera.CFrame.RightVector
        
        if smartFlyMode and isCharacterSitting(LocalPlayer.Character) then
            BG.CFrame = CFrame.new(HumanoidRP.Position, HumanoidRP.Position + cameraLookVector)
        else
            setCharacterLookDirection(LocalPlayer.Character, cameraLookVector)
            BG.CFrame = CFrame.new(HumanoidRP.Position, HumanoidRP.Position + cameraLookVector)
        end
        
        local moveDirection = Vector3.new(0, 0, 0)
        
        if isMovingForward then
            moveDirection = moveDirection + cameraLookVector
        elseif isMovingBackward then
            moveDirection = moveDirection - cameraLookVector
        end
        
        if isMovingLeft then
            moveDirection = moveDirection - cameraRightVector
        end
        
        if isMovingRight then
            moveDirection = moveDirection + cameraRightVector
        end
        
        if isMovingUp then
            moveDirection = moveDirection + Vector3.new(0, 1, 0)
        end
        
        if isMovingDown then
            moveDirection = moveDirection + Vector3.new(0, -1, 0)
        end
        
        if UserInputService:IsKeyDown(Enum.KeyCode.Space) then
            moveDirection = moveDirection + Vector3.new(0, 1, 0)
        end
        
        if UserInputService:IsKeyDown(Enum.KeyCode.LeftShift) then
            moveDirection = moveDirection + Vector3.new(0, -1, 0)
        end
        
        if moveDirection.Magnitude > 0 then
            BV.Velocity = moveDirection.Unit * currentSpeed
        else
            BV.Velocity = Vector3.new(0, 0, 0)
        end
    end)
end

local function stopFlying()
    if not isFlying then return end
    
    isFlying = false
    smartFlyMode = false
    originalSeatPart = nil
    
    FlyToggle.Text = "开始飞行"
    FlyToggle.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    FlyControls.Visible = false
    VerticalControls.Visible = false
    
    isMovingForward = false
    isMovingBackward = false
    isMovingLeft = false
    isMovingRight = false
    isMovingUp = false
    isMovingDown = false
    
    ForwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    BackwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    LeftButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    RightButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    UpButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    DownButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
    
    if flyConnection then
        flyConnection:Disconnect()
        flyConnection = nil
    end
    
    if BV then
        BV:Destroy()
        BV = nil
    end
    
    if BG then
        BG:Destroy()
        BG = nil
    end
end

DragBall.MouseButton1Click:Connect(function()
    FlyPanel.Visible = not FlyPanel.Visible
    if FlyPanel.Visible then
        FlyPanel.Position = UDim2.new(0, DragBall.Position.X.Offset + DragBall.Size.X.Offset, 0, DragBall.Position.Y.Offset)
    end
end)

FlyToggle.MouseButton1Click:Connect(function()
    if isFlying then
        stopFlying()
    else
        startFlying()
    end
end)

ForwardButton.MouseButton1Down:Connect(function()
    isMovingForward = true
    ForwardButton.BackgroundColor3 = Color3.fromRGB(0, 50, 0)
end)

ForwardButton.MouseButton1Up:Connect(function()
    isMovingForward = false
    ForwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

ForwardButton.MouseLeave:Connect(function()
    isMovingForward = false
    ForwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

BackwardButton.MouseButton1Down:Connect(function()
    isMovingBackward = true
    BackwardButton.BackgroundColor3 = Color3.fromRGB(50, 0, 0)
end)

BackwardButton.MouseButton1Up:Connect(function()
    isMovingBackward = false
    BackwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

BackwardButton.MouseLeave:Connect(function()
    isMovingBackward = false
    BackwardButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

LeftButton.MouseButton1Down:Connect(function()
    isMovingLeft = true
    LeftButton.BackgroundColor3 = Color3.fromRGB(50, 50, 0)
end)

LeftButton.MouseButton1Up:Connect(function()
    isMovingLeft = false
    LeftButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

LeftButton.MouseLeave:Connect(function()
    isMovingLeft = false
    LeftButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

RightButton.MouseButton1Down:Connect(function()
    isMovingRight = true
    RightButton.BackgroundColor3 = Color3.fromRGB(50, 50, 0)
end)

RightButton.MouseButton1Up:Connect(function()
    isMovingRight = false
    RightButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

RightButton.MouseLeave:Connect(function()
    isMovingRight = false
    RightButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

UpButton.MouseButton1Down:Connect(function()
    isMovingUp = true
    UpButton.BackgroundColor3 = Color3.fromRGB(0, 0, 50)
end)

UpButton.MouseButton1Up:Connect(function()
    isMovingUp = false
    UpButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

UpButton.MouseLeave:Connect(function()
    isMovingUp = false
    UpButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

DownButton.MouseButton1Down:Connect(function()
    isMovingDown = true
    DownButton.BackgroundColor3 = Color3.fromRGB(0, 0, 50)
end)

DownButton.MouseButton1Up:Connect(function()
    isMovingDown = false
    DownButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

DownButton.MouseLeave:Connect(function()
    isMovingDown = false
    DownButton.BackgroundColor3 = Color3.fromRGB(0, 0, 0)
end)

SpeedInput.FocusLost:Connect(function(enterPressed)
    if SpeedInput.Text ~= "" and tonumber(SpeedInput.Text) then
        local newSpeed = tonumber(SpeedInput.Text)
        if newSpeed and newSpeed > 0 then
            Speed = newSpeed
        else
            SpeedInput.Text = ""
        end
    end
end)

local function updatePanelPosition()
    if FlyPanel.Visible then
        FlyPanel.Position = UDim2.new(0, DragBall.Position.X.Offset + DragBall.Size.X.Offset, 0, DragBall.Position.Y.Offset)
    end
end

DragBall.Changed:Connect(function(property)
    if property == "Position" then
        updatePanelPosition()
    end
end)

LocalPlayer.CharacterAdded:Connect(function(character)
    HumanoidRP = character:WaitForChild("HumanoidRootPart")
    stopFlying()
    
    local humanoid = character:WaitForChild("Humanoid")
    humanoid:GetPropertyChangedSignal("Sit"):Connect(function()
        if isFlying then
            local currentSeat = getSeatedPart(character)
            if humanoid.Sit and currentSeat then
                smartFlyMode = true
                originalSeatPart = currentSeat
            elseif not humanoid.Sit then
                smartFlyMode = false
                originalSeatPart = nil
            end
        end
    end)
end)

print("Happy flying car loaded! Click the floating ball to open control panel.")