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

local player    = Players.LocalPlayer
local camera    = workspace.CurrentCamera

local swinging      = false
local swingForce    = nil
local hrpAttachment = nil
local ropeEndPart   = nil
local endAttachment = nil
local beam          = nil

local function GetCharacter()
    return player.Character or player.CharacterAdded:Wait()
end

local gui = Instance.new("ScreenGui")
gui.Name           = "SwingGui"
gui.ResetOnSpawn   = false
gui.IgnoreGuiInset = true
gui.Parent         = player:WaitForChild("PlayerGui")

local btn = Instance.new("TextButton")
btn.Size            = UDim2.new(0,200,0,80)
btn.Position        = UDim2.new(1,-110,1,-210)
btn.AnchorPoint     = Vector2.new(1,1)
btn.Text            = "Swing"
btn.Font            = Enum.Font.GothamBold
btn.TextSize        = 24
btn.TextColor3      = Color3.new(1,1,1)
btn.BackgroundColor3 = Color3.fromRGB(255,140,0)
btn.AutoButtonColor = true
btn.Parent          = gui

local corner = Instance.new("UICorner", btn)
corner.CornerRadius = UDim.new(0,10)
local scale = Instance.new("UIScale", btn)
task.spawn(function()
    while btn.Parent do
        TweenService:Create(scale, TweenInfo.new(0.5, Enum.EasingStyle.Sine, Enum.EasingDirection.Out), {Scale=1.05}):Play():Completed():Wait()
        TweenService:Create(scale, TweenInfo.new(0.5, Enum.EasingStyle.Sine, Enum.EasingDirection.In),  {Scale=1}):Play():Completed():Wait()
    end
end)

local function StartSwing()
    if swinging then return end
    swinging = true

    local char = GetCharacter()
    local hrp  = char:WaitForChild("HumanoidRootPart")

    swingForce = Instance.new("BodyVelocity")
    swingForce.MaxForce = Vector3.new(1,1,1)*1e5
    swingForce.P        = 1e4
    swingForce.Parent   = hrp

    hrpAttachment = Instance.new("Attachment", hrp)
    hrpAttachment.Name = "SwingAttachment"

    ropeEndPart = Instance.new("Part", workspace)
    ropeEndPart.Size       = Vector3.new(0.2,0.2,0.2)
    ropeEndPart.Anchored   = true
    ropeEndPart.CanCollide = false
    ropeEndPart.Color = Color3.fromRGB(0, 0, 0)
    ropeEndPart.Transparency = 1

    endAttachment = Instance.new("Attachment", ropeEndPart)
    endAttachment.Name = "EndAttachment"

    beam = Instance.new("Beam", hrp)
    beam.Attachment0      = hrpAttachment
    beam.Attachment1      = endAttachment
    beam.FaceCamera      = true
    beam.Width0          = 0.2
    beam.Width1          = 0.2
    beam.Color = ColorSequence.new(Color3.fromRGB(255, 255, 255))

    RunService:BindToRenderStep("SwingLoop", Enum.RenderPriority.Character.Value+1, function()
        if not swinging then return end

        local dir = camera.CFrame.LookVector
        swingForce.Velocity = dir * 60 + Vector3.new(0,15,0)

        local ropeLength = 15
        ropeEndPart.CFrame = CFrame.new(hrp.Position + dir*ropeLength)
    end)
end

local function StopSwing()
    if not swinging then return end
    swinging = false

    RunService:UnbindFromRenderStep("SwingLoop")
    if swingForce    then swingForce:Destroy()    end
    if hrpAttachment then hrpAttachment:Destroy() end
    if endAttachment then endAttachment:Destroy() end
    if ropeEndPart   then ropeEndPart:Destroy()   end
    if beam          then beam:Destroy()          end
end

btn.MouseButton1Down:Connect(StartSwing)
btn.MouseButton1Up:Connect(StopSwing)
btn.MouseLeave:Connect(StopSwing)
btn.InputEnded:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.Touch
    or input.UserInputType == Enum.UserInputType.MouseButton1 then
        StopSwing()
    end
end)
UIS.InputEnded:Connect(function(input)
    if swinging and (input.UserInputType == Enum.UserInputType.Touch
                   or input.UserInputType == Enum.UserInputType.MouseButton1) then
        StopSwing()
    end
end)