local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local camera = workspace.CurrentCamera
local player = Players.LocalPlayer

local aimEnabled = false
local espEnabled = false
local fovSize = 150
local aimPart = "Torso"
local fovCircle
local holdingRMB = false

local function createGUI()
    local gui = Instance.new("ScreenGui")
    gui.Name = "FSB_UI"
    gui.ResetOnSpawn = false
    gui.Parent = player:WaitForChild("PlayerGui")
    
    local btn = Instance.new("TextButton")
    btn.Size = UDim2.new(0,60,0,60)
    btn.Position = UDim2.new(0.5,-30,0,10)
    btn.Text = "FSB"
    btn.BackgroundTransparency = 0.5
    btn.BackgroundColor3 = Color3.fromRGB(0,0,0)
    btn.TextColor3 = Color3.fromRGB(255,255,255)
    btn.Font = Enum.Font.GothamBold
    btn.TextScaled = true
    btn.Parent = gui
    Instance.new("UICorner", btn).CornerRadius = UDim.new(1,0)
    btn.AnchorPoint = Vector2.new(0.5,0)
    
    local frame = Instance.new("Frame")
    frame.Size = UDim2.new(0,250,0,180)
    frame.Position = UDim2.new(0.5,-125,0.5,-90)
    frame.BackgroundColor3 = Color3.fromRGB(20,20,20)
    frame.Visible = false
    frame.Parent = gui

    local title = Instance.new("TextLabel")
    title.Text = "Arsenal Script"
    title.Size = UDim2.new(1,0,0,30)
    title.BackgroundTransparency = 1
    title.Font = Enum.Font.GothamBold
    title.TextSize = 20
    title.TextColor3 = Color3.fromRGB(255,255,255)
    title.Parent = frame

    local espBtn = Instance.new("TextButton")
    espBtn.Size = UDim2.new(1,-20,0,40)
    espBtn.Position = UDim2.new(0,10,0,90)
    espBtn.Text = "Toggle ESP"
    espBtn.BackgroundColor3 = Color3.fromRGB(60,60,60)
    espBtn.TextColor3 = Color3.fromRGB(255,255,255)
    espBtn.Font = Enum.Font.Gotham
    espBtn.TextSize = 16
    espBtn.Parent = frame
    Instance.new("UICorner", espBtn).CornerRadius = UDim.new(0,8)
    
    local credit = Instance.new("TextLabel")
    credit.Text = "Made by Fast_Skullbeats"
    credit.Size = UDim2.new(1,0,0,30)
    credit.Position = UDim2.new(0,0,1,-30)
    credit.BackgroundTransparency = 1
    credit.Font = Enum.Font.Gotham
    credit.TextSize = 14
    credit.TextColor3 = Color3.fromRGB(170,0,255)
    credit.Parent = frame

    btn.MouseButton1Click:Connect(function()
        frame.Visible = not frame.Visible
    end)
    
    espBtn.MouseButton1Click:Connect(function()
        espEnabled = not espEnabled
    end)
end

local function createFOV()
    fovCircle = Drawing.new("Circle")
    fovCircle.Visible = true
    fovCircle.Thickness = 2
    fovCircle.Radius = fovSize
    fovCircle.Color = Color3.fromRGB(170,0,255)
    fovCircle.Filled = false
end

local function makeCharm(char)
    if char:FindFirstChild("HumanoidRootPart") and not char:FindFirstChild("FSB_ESP") then
        local box = Instance.new("BoxHandleAdornment")
        box.Name = "FSB_ESP"
        box.Adornee = char.HumanoidRootPart
        box.Size = Vector3.new(4,6,2)
        box.Color3 = Color3.fromRGB(170,0,255)
        box.AlwaysOnTop = true
        box.ZIndex = 5
        box.Transparency = 0.4
        box.Parent = char
    end
end

local function getTarget()
    local closest, distCheck = nil, math.huge
    for _,plr in pairs(Players:GetPlayers()) do
        if plr ~= player and plr.Character and plr.Character:FindFirstChild("Humanoid") then
            if plr.Character.Humanoid.Health > 0 then
                local part = plr.Character:FindFirstChild(aimPart)
                if part then
                    local screenPos, onScreen = camera:WorldToViewportPoint(part.Position)
                    if onScreen then
                        local dist = (Vector2.new(screenPos.X,screenPos.Y)-camera.ViewportSize/2).Magnitude
                        if dist < fovSize and dist < distCheck then
                            local rayParams = RaycastParams.new()
                            rayParams.FilterDescendantsInstances = {player.Character}
                            rayParams.FilterType = Enum.RaycastFilterType.Blacklist
                            local res = workspace:Raycast(camera.CFrame.Position,(part.Position-camera.CFrame.Position),rayParams)
                            if res and res.Instance:IsDescendantOf(plr.Character) then
                                distCheck = dist
                                closest = part
                            end
                        end
                    end
                end
            end
        end
    end
    return closest
end

createGUI()
createFOV()

player.CharacterAdded:Connect(function()
    createGUI()
    createFOV()
end)

UserInputService.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton2 then
        holdingRMB = true
    end
end)

UserInputService.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton2 then
        holdingRMB = false
    end
end)

RunService.RenderStepped:Connect(function()
    fovCircle.Position = camera.ViewportSize/2

    if holdingRMB then
        local t = getTarget()
        if t then
            camera.CFrame = CFrame.new(camera.CFrame.Position,t.Position)
        end
    end

    if espEnabled then
        for _,plr in pairs(Players:GetPlayers()) do
            if plr ~= player and plr.Character then
                makeCharm(plr.Character)
            end
        end
    else
        for _,plr in pairs(Players:GetPlayers()) do
            if plr.Character and plr.Character:FindFirstChild("FSB_ESP") then
                plr.Character.FSB_ESP:Destroy()
            end
        end
    end
end)