-- FlyAndSpeedSystem.lua
-- ใช้ใน Roblox Studio หรือในเกมของคุณเองเท่านั้น
local Players = game:GetService("Players")
local UIS = game:GetService("UserInputService")
local RS = game:GetService("RunService")

local player = Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()
local hrp = char:WaitForChild("HumanoidRootPart")
local humanoid = char:WaitForChild("Humanoid")

local flying = false
local superSpeed = false
local flySpeed = 50
local ascendSpeed = 40
local runSpeed = 32 -- ความเร็ววิ่งเริ่มต้น (ค่า default Roblox คือ 16)
local vv, gyro
local minimized = false

-----------------------------------------------------------
-- 🧱 GUI สร้างอัตโนมัติ
-----------------------------------------------------------
local function createGui()
	local screenGui = Instance.new("ScreenGui")
	screenGui.Name = "PowerGui"
	screenGui.ResetOnSpawn = false
	screenGui.Parent = player:WaitForChild("PlayerGui")

	local frame = Instance.new("Frame")
	frame.Size = UDim2.new(0,240,0,200)
	frame.Position = UDim2.new(0,10,0,100)
	frame.BackgroundColor3 = Color3.fromRGB(25,25,25)
	frame.BackgroundTransparency = 0.3
	frame.BorderSizePixel = 0
	frame.Parent = screenGui

	local title = Instance.new("TextLabel")
	title.Size = UDim2.new(1,-40,0,30)
	title.Position = UDim2.new(0,10,0,5)
	title.Text = "🌀 Power Panel v1.1"
	title.TextColor3 = Color3.fromRGB(255,255,255)
	title.TextXAlignment = Enum.TextXAlignment.Left
	title.Font = Enum.Font.GothamBold
	title.TextSize = 18
	title.BackgroundTransparency = 1
	title.Parent = frame

	local minimizeBtn = Instance.new("TextButton")
	minimizeBtn.Size = UDim2.new(0,30,0,30)
	minimizeBtn.Position = UDim2.new(1,-35,0,5)
	minimizeBtn.Text = "-"
	minimizeBtn.BackgroundColor3 = Color3.fromRGB(60,60,60)
	minimizeBtn.Parent = frame

	local flyBtn = Instance.new("TextButton")
	flyBtn.Name = "FlyToggle"
	flyBtn.Size = UDim2.new(1,-20,0,40)
	flyBtn.Position = UDim2.new(0,10,0,45)
	flyBtn.Text = "เปิดบิน (E)"
	flyBtn.Parent = frame

	local flySpeedBox = Instance.new("TextBox")
	flySpeedBox.Size = UDim2.new(1,-20,0,30)
	flySpeedBox.Position = UDim2.new(0,10,0,90)
	flySpeedBox.Text = tostring(flySpeed)
	flySpeedBox.PlaceholderText = "Fly Speed"
	flySpeedBox.ClearTextOnFocus = false
	flySpeedBox.Parent = frame

	local runBtn = Instance.new("TextButton")
	runBtn.Name = "RunToggle"
	runBtn.Size = UDim2.new(1,-20,0,40)
	runBtn.Position = UDim2.new(0,10,0,130)
	runBtn.Text = "เปิดวิ่งเร็ว (R)"
	runBtn.Parent = frame

	local minimize = false
	minimizeBtn.MouseButton1Click:Connect(function()
		if minimized then
			frame:TweenSize(UDim2.new(0,240,0,200), "Out", "Quad", 0.2, true)
			for _,child in ipairs(frame:GetChildren()) do
				if child ~= minimizeBtn and child ~= title then
					child.Visible = true
				end
			end
			minimizeBtn.Text = "-"
			minimized = false
		else
			frame:TweenSize(UDim2.new(0,120,0,40), "Out", "Quad", 0.2, true)
			for _,child in ipairs(frame:GetChildren()) do
				if child ~= minimizeBtn and child ~= title then
					child.Visible = false
				end
			end
			minimizeBtn.Text = "+"
			minimized = true
		end
	end)

	return flyBtn, flySpeedBox, runBtn
end

local flyBtn, flySpeedBox, runBtn = createGui()

-----------------------------------------------------------
-- 🚀 ฟังก์ชันบิน
-----------------------------------------------------------
local function startFlying()
	if flying then return end
	flying = true
	humanoid.PlatformStand = false

	vv = Instance.new("BodyVelocity")
	vv.MaxForce = Vector3.new(1e5,1e5,1e5)
	vv.P = 1250
	vv.Parent = hrp

	gyro = Instance.new("BodyGyro")
	gyro.MaxTorque = Vector3.new(4e5,4e5,4e5)
	gyro.P = 3000
	gyro.CFrame = hrp.CFrame
	gyro.Parent = hrp
end

local function stopFlying()
	if not flying then return end
	flying = false
	if vv then vv:Destroy() end
	if gyro then gyro:Destroy() end
	humanoid.PlatformStand = false
end



-----------------------------------------------------------
-- ⚡ ฟังก์ชันวิ่งเร็ว
-----------------------------------------------------------
local function stopFlying()
	if not flying then return end
	flying = false

	if vv then
		-- ค่อย ๆ ลดความเร็วลงก่อนลบ
		for i = 1, 10 do
			vv.Velocity = vv.Velocity * 0.5
			task.wait(0.02)
		end
		vv:Destroy()
	end

	if gyro then
		gyro:Destroy()
	end

	-- หยุดการเคลื่อนไหวทันทีหลังจากลบ
	hrp.Velocity = Vector3.zero
	humanoid.PlatformStand = false
end


-----------------------------------------------------------
-- 🎮 การควบคุม
-----------------------------------------------------------
local moveVec = Vector3.zero
local upDown = 0
local function toggleSpeed(on)
	if on then
		humanoid.WalkSpeed = runSpeed
	else
		humanoid.WalkSpeed = 16
	end
end

UIS.InputBegan:Connect(function(input,gp)
	if gp then return end
	local key = input.KeyCode
	if key == Enum.KeyCode.E then
		if flying then stopFlying() flyBtn.Text = "เปิดบิน (E)"
		else startFlying() flyBtn.Text = "ปิดบิน (E)" end
	elseif key == Enum.KeyCode.R then
		superSpeed = not superSpeed
		toggleSpeed(superSpeed)
		runBtn.Text = superSpeed and "ปิพดวิ่งเร็ว (R)" or "เปิดวิ่งเร็ว (R)"
	elseif key == Enum.KeyCode.W then moveVec = Vector3.new(moveVec.X,0,1)
	elseif key == Enum.KeyCode.S then moveVec = Vector3.new(moveVec.X,0,-1)
	elseif key == Enum.KeyCode.A then moveVec = Vector3.new(-1,0,moveVec.Z)
	elseif key == Enum.KeyCode.D then moveVec = Vector3.new(1,0,moveVec.Z)
	elseif key == Enum.KeyCode.Space then upDown = ascendSpeed
	elseif key == Enum.KeyCode.LeftControl or key == Enum.KeyCode.LeftShift then upDown = -ascendSpeed
	end
end)

UIS.InputEnded:Connect(function(input,gp)
	if gp then return end
	local key = input.KeyCode
	if key == Enum.KeyCode.W or key == Enum.KeyCode.S then moveVec = Vector3.new(moveVec.X,0,0)
	elseif key == Enum.KeyCode.A or key == Enum.KeyCode.D then moveVec = Vector3.new(0,0,moveVec.Z)
	elseif key == Enum.KeyCode.Space or key == Enum.KeyCode.LeftControl or key == Enum.KeyCode.LeftShift then upDown = 0
	end
end)

RS.RenderStepped:Connect(function()
	if flying and vv and gyro then
		local cam = workspace.CurrentCamera
		local forward = Vector3.new(cam.CFrame.LookVector.X,0,cam.CFrame.LookVector.Z).Unit
		local right = Vector3.new(cam.CFrame.RightVector.X,0,cam.CFrame.RightVector.Z).Unit

		local desired = (forward * moveVec.Z + right * moveVec.X) + Vector3.new(0, upDown, 0)
		if desired.Magnitude > 0 then desired = desired.Unit * flySpeed end
		vv.Velocity = desired
		if desired.Magnitude > 1 then
			-- ล็อกทิศทางไม่ให้หมุนขึ้นลง
			local flatDir = Vector3.new(desired.X, 0, desired.Z)
			if flatDir.Magnitude > 0 then
				gyro.CFrame = CFrame.new(hrp.Position, hrp.Position + flatDir)
			end
		end

	end
end)

flySpeedBox.FocusLost:Connect(function()
	local val = tonumber(flySpeedBox.Text)
	if val and val > 0 and val <= 500 then
		flySpeed = val
	else
		flySpeedBox.Text = tostring(flySpeed)
	end
end)

flyBtn.MouseButton1Click:Connect(function()
	if flying then stopFlying() flyBtn.Text = "เปิดบิน (E)"
	else startFlying() flyBtn.Text = "ปิดบิน (E)" end
end)

runBtn.MouseButton1Click:Connect(function()
	superSpeed = not superSpeed
	toggleSpeed(superSpeed)
	runBtn.Text = superSpeed and "ปิดวิ่งเร็ว (R)" or "เปิดวิ่งเร็ว (R)"
end)

-- ถ้าตัวตายหรือรีสปอนใหม่ให้รีเซ็ตค่า
player.CharacterAdded:Connect(function(c)
	char = c
	hrp = c:WaitForChild("HumanoidRootPart")
	humanoid = c:WaitForChild("Humanoid")
	stopFlying()
	toggleSpeed(false)
end)