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

local LocalPlayer = Players.LocalPlayer
local Camera = Workspace.CurrentCamera

-- State Variables
local AIM_LOCK_ENABLED = false
local MAX_DISTANCE = 500

-- ==========================================
-- 1. CREATE CLEAN MOBILE GUI
-- ==========================================
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "AimlockGui"
ScreenGui.ResetOnSpawn = false
ScreenGui.Parent = LocalPlayer:WaitForChild("PlayerGui")

local MainFrame = Instance.new("Frame")
MainFrame.Name = "MainFrame"
MainFrame.Size = UDim2.new(0, 160, 0, 60)
MainFrame.Position = UDim2.new(0.5, -80, 0.2, 0)
MainFrame.BackgroundColor3 = Color3.fromRGB(30, 30, 30)
MainFrame.BorderSizePixel = 0
MainFrame.Active = true
MainFrame.Parent = ScreenGui

local FrameCorner = Instance.new("UICorner")
FrameCorner.CornerRadius = UDim.new(0, 10)
FrameCorner.Parent = MainFrame

local UIStroke = Instance.new("UIStroke")
UIStroke.Color = Color3.fromRGB(60, 60, 60)
UIStroke.Thickness = 2
UIStroke.Parent = MainFrame

local ToggleButton = Instance.new("TextButton")
ToggleButton.Name = "ToggleButton"
ToggleButton.Size = UDim2.new(1, -20, 1, -20)
ToggleButton.Position = UDim2.new(0, 10, 0, 10)
ToggleButton.BackgroundColor3 = Color3.fromRGB(180, 50, 50)
ToggleButton.Text = "AIMLOCK: OFF"
ToggleButton.TextColor3 = Color3.fromRGB(255, 255, 255)
ToggleButton.Font = Enum.Font.GothamBold
ToggleButton.TextSize = 14
ToggleButton.BorderSizePixel = 0
ToggleButton.Parent = MainFrame

local ButtonCorner = Instance.new("UICorner")
ButtonCorner.CornerRadius = UDim.new(0, 8)
ButtonCorner.Parent = ToggleButton

-- ==========================================
-- 2. MAKE GUI DRAGGABLE
-- ==========================================
local dragging, dragInput, dragStart, startPos

local function update(input)
	local delta = input.Position - dragStart
	MainFrame.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + delta.X, startPos.Y.Scale, startPos.Y.Offset + delta.Y)
end

MainFrame.InputBegan:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseButton1 or input.UserInputType == Enum.UserInputType.Touch then
		dragging = true
		dragStart = input.Position
		startPos = MainFrame.Position
		
		input.Changed:Connect(function()
			if input.UserInputState == Enum.UserInputState.End then
				dragging = false
			end
		end)
	end
end)

MainFrame.InputChanged:Connect(function(input)
	if input.UserInputType == Enum.UserInputType.MouseMovement or input.UserInputType == Enum.UserInputType.Touch then
		dragInput = input
	end
end)

UserInputService.InputChanged:Connect(function(input)
	if input == dragInput and dragging then
		update(input)
	end
end)

ToggleButton.MouseButton1Click:Connect(function()
	AIM_LOCK_ENABLED = not AIM_LOCK_ENABLED
	if AIM_LOCK_ENABLED then
		ToggleButton.Text = "AIMLOCK: ON"
		ToggleButton.BackgroundColor3 = Color3.fromRGB(50, 180, 50)
	else
		ToggleButton.Text = "AIMLOCK: OFF"
		ToggleButton.BackgroundColor3 = Color3.fromRGB(180, 50, 50)
	end
end)

-- ==========================================
-- 3. WALL CHECK (RAYCASTING) FUNCTION
-- ==========================================
local function isVisible(targetPart)
	local localCharacter = LocalPlayer.Character
	if not localCharacter or not localCharacter:FindFirstChild("Head") then return false end
	
	local startPos = localCharacter.Head.Position
	local targetPos = targetPart.Position
	local direction = targetPos - startPos
	
	-- Setup raycast parameters
	local raycastParams = RaycastParams.new()
	-- Ignore your own character so the laser doesn't hit your own body parts
	raycastParams.FilterDescendantsInstances = {localCharacter}
	raycastParams.FilterType = Enum.RaycastFilterType.Exclude
	
	-- Fire the raycast
	local raycastResult = Workspace:Raycast(startPos, direction, raycastParams)
	
	-- If it didn't hit anything, the line of sight is clear
	if not raycastResult then
		return true
	end
	
	-- If it hit something, check if what it hit belongs to our target player
	if raycastResult.Instance:IsDescendantOf(targetPart.Parent) then
		return true
	end
	
	-- If it hit a wall, tree, or ground first, return false
	return false
end

-- ==========================================
-- 4. AIMLOCK CORE ENGINE
-- ==========================================
local function getClosestPlayer()
	local closestPlayer = nil
	local shortestDistance = math.huge
	
	local localCharacter = LocalPlayer.Character
	if not localCharacter or not localCharacter:FindFirstChild("HumanoidRootPart") then
		return nil
	end
	
	local localPos = localCharacter.HumanoidRootPart.Position

	for _, player in ipairs(Players:GetPlayers()) do
		if player ~= LocalPlayer then
			local character = player.Character
			if character and character:FindFirstChild("Head") and character:FindFirstChild("Humanoid") then
				if character.Humanoid.Health > 0 then
					local head = character.Head
					local distance = (head.Position - localPos).Magnitude
					
					-- Added the isVisible(head) check here
					if distance < shortestDistance and distance <= MAX_DISTANCE and isVisible(head) then
						shortestDistance = distance
						closestPlayer = player
					end
				end
			end
		end
	end
	
	return closestPlayer
end

RunService.RenderStepped:Connect(function()
	if not AIM_LOCK_ENABLED then return end
	
	local targetPlayer = getClosestPlayer()
	
	if targetPlayer and targetPlayer.Character and targetPlayer.Character:FindFirstChild("Head") then
		local head = targetPlayer.Character.Head
		Camera.CFrame = CFrame.lookAt(Camera.CFrame.Position, head.Position)
	end
end)