--==================================================
-- Neko Fly Gui v9 (PERFECT STABLE FINAL)
--==================================================

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

local player = Players.LocalPlayer

--========================
-- CHARACTER SAFE
--========================

local character, humanoid, root

local function setupCharacter(char)
	character = char
	humanoid = char:WaitForChild("Humanoid")
	root = char:WaitForChild("HumanoidRootPart")
end

setupCharacter(player.Character or player.CharacterAdded:Wait())
player.CharacterAdded:Connect(setupCharacter)

--========================
-- GUI SETUP
--========================

local gui = Instance.new("ScreenGui")
gui.Name = "NekoFlyGuiV9"
gui.ResetOnSpawn = false
gui.IgnoreGuiInset = true
gui.DisplayOrder = 999999999
gui.ZIndexBehavior = Enum.ZIndexBehavior.Global
gui.Parent = player:WaitForChild("PlayerGui")

local frame = Instance.new("Frame", gui)
frame.Size = UDim2.new(0, 540, 0, 660)
frame.Position = UDim2.new(0.3,0,0.12,0)
frame.BackgroundColor3 = Color3.fromRGB(30,30,30)
frame.Active = true
frame.Draggable = true
Instance.new("UICorner", frame).CornerRadius = UDim.new(0,35)

local title = Instance.new("TextLabel", frame)
title.Size = UDim2.new(1,0,0,45)
title.BackgroundTransparency = 1
title.Text = "Neko Fly Gui v9"
title.TextSize = 16
title.TextColor3 = Color3.new(1,1,1)

-- Close
local close = Instance.new("TextButton", frame)
close.Size = UDim2.new(0,40,0,40)
close.Position = UDim2.new(1,-45,0,5)
close.Text = "X"
close.BackgroundColor3 = Color3.fromRGB(200,60,60)
Instance.new("UICorner", close).CornerRadius = UDim.new(1,0)

-- Minimize
local minimize = Instance.new("TextButton", frame)
minimize.Size = UDim2.new(0,40,0,40)
minimize.Position = UDim2.new(1,-90,0,5)
minimize.Text = "-"
minimize.BackgroundColor3 = Color3.fromRGB(90,90,90)
Instance.new("UICorner", minimize).CornerRadius = UDim.new(1,0)

-- Floating Button
local circle = Instance.new("TextButton", gui)
circle.Size = UDim2.new(0,80,0,80)
circle.Position = UDim2.new(0.05,0,0.5,0)
circle.Text = "Neko"
circle.Visible = false
circle.BackgroundColor3 = Color3.fromRGB(255,120,200)
circle.Active = true
circle.Draggable = true
Instance.new("UICorner", circle).CornerRadius = UDim.new(1,0)

--========================
-- SAFE ANIMATION (NO SIZE STACK)
--========================

local function animate(button)
	local original = button.Size
	button.MouseEnter:Connect(function()
		TweenService:Create(button,TweenInfo.new(0.12),{
			Size = UDim2.new(original.X.Scale,original.X.Offset+4,
			                 original.Y.Scale,original.Y.Offset+4)
		}):Play()
	end)
	button.MouseLeave:Connect(function()
		TweenService:Create(button,TweenInfo.new(0.12),{
			Size = original
		}):Play()
	end)
end

animate(close)
animate(minimize)
animate(circle)

--========================
-- BUTTON CREATOR
--========================

local function createButton(text,y)
	local b = Instance.new("TextButton",frame)
	b.Size = UDim2.new(0.85,0,0,50)
	b.Position = UDim2.new(0.075,0,0,y)
	b.Text = text
	b.BackgroundColor3 = Color3.fromRGB(60,60,60)
	b.TextColor3 = Color3.new(1,1,1)
	Instance.new("UICorner",b).CornerRadius = UDim.new(0,20)
	animate(b)
	return b
end

local speedBtn = createButton("Speed",70)
local jumpBtn = createButton("Jump Power",140)
local flyBtn = createButton("Fly",210)
local infJumpBtn = createButton("Inf Jump",280)
local noclipBtn = createButton("Noclip",350)
local upBtn = createButton("UP",420)
local downBtn = createButton("Down",490)
local godBtn = createButton("God mode",560)

--========================
-- WINDOW CONTROL
--========================

close.MouseButton1Click:Connect(function()
	gui:Destroy()
end)

minimize.MouseButton1Click:Connect(function()
	frame.Visible = false
	circle.Visible = true
end)

circle.MouseButton1Click:Connect(function()
	frame.Visible = true
	circle.Visible = false
end)

--========================
-- SPEED
--========================

local speedOn=false
speedBtn.MouseButton1Click:Connect(function()
	speedOn=not speedOn
	humanoid.WalkSpeed = speedOn and 100 or 16
end)

--========================
-- JUMP POWER
--========================

local jumpOn=false
jumpBtn.MouseButton1Click:Connect(function()
	jumpOn=not jumpOn
	humanoid.JumpPower = jumpOn and 150 or 50
end)

--========================
-- INFINITE JUMP
--========================

local infJump=false
infJumpBtn.MouseButton1Click:Connect(function()
	infJump=not infJump
end)

UIS.JumpRequest:Connect(function()
	if infJump then
		humanoid:ChangeState(Enum.HumanoidStateType.Jumping)
	end
end)

--========================
-- TRUE FLOAT FLY (NO FALL / NO WALK BUG)
--========================

local flying=false
local vel
local gyro

flyBtn.MouseButton1Click:Connect(function()
	flying=not flying
	
	if flying then
		vel=Instance.new("BodyVelocity")
		vel.MaxForce=Vector3.new(9e9,9e9,9e9)
		vel.Velocity=Vector3.new(0,2,0) -- 初始悬浮
		vel.Parent=root
		
		gyro=Instance.new("BodyGyro")
		gyro.MaxTorque=Vector3.new(9e9,9e9,9e9)
		gyro.P=10000
		gyro.CFrame=root.CFrame
		gyro.Parent=root
		
		humanoid.AutoRotate=false
	else
		if vel then vel:Destroy() end
		if gyro then gyro:Destroy() end
		humanoid.AutoRotate=true
	end
end)

RunService.RenderStepped:Connect(function()
	if flying and vel and gyro then
		
		local move = humanoid.MoveDirection
		local float = Vector3.new(0,2,0) -- 抵消重力
		
		vel.Velocity = move * humanoid.WalkSpeed * 2 + float
		
		gyro.CFrame = workspace.CurrentCamera.CFrame
	end
end)

-- UP / DOWN
upBtn.MouseButton1Click:Connect(function()
	if flying then
		vel.Velocity = vel.Velocity + Vector3.new(0,40,0)
	end
end)

downBtn.MouseButton1Click:Connect(function()
	if flying then
		vel.Velocity = vel.Velocity - Vector3.new(0,40,0)
	end
end)

--========================
-- NOCLIP
--========================

local noclip=false
noclipBtn.MouseButton1Click:Connect(function()
	noclip=not noclip
end)

RunService.Stepped:Connect(function()
	if noclip and character then
		for _,v in pairs(character:GetDescendants()) do
			if v:IsA("BasePart") then
				v.CanCollide=false
			end
		end
	end
end)

--========================
-- GOD MODE
--========================

local god=false
godBtn.MouseButton1Click:Connect(function()
	god=not god
end)

RunService.Heartbeat:Connect(function()
	if god and humanoid then
		humanoid.Health=humanoid.MaxHealth
	end
end)