local Players = game:GetService("Players")
local UserInputService = game:GetService("UserInputService")
local player = Players.LocalPlayer or Players:GetPlayers()[1]
local treesFolder = workspace:WaitForChild("TreesFolder")

-- UI Setup
local sg = Instance.new("ScreenGui", player:WaitForChild("PlayerGui"))
sg.Name = "HitpartPhysicsTest"

local frame = Instance.new("Frame", sg)
frame.Size = UDim2.new(0, 220, 0, 120)
frame.Position = UDim2.new(0.5, -110, 0.4, 0)
frame.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
frame.BorderSizePixel = 0
frame.Active = true

local btn = Instance.new("TextButton", frame)
btn.Size = UDim2.new(0.9, 0, 0.4, 0)
btn.Position = UDim2.new(0.05, 0, 0.1, 0)
btn.Text = "STATIONARY LOOP: OFF"
btn.Font = Enum.Font.RobotoMono
btn.TextSize = 13
btn.TextColor3 = Color3.new(1, 1, 1)
btn.BackgroundColor3 = Color3.fromRGB(150, 0, 0)

local visBtn = Instance.new("TextButton", frame)
visBtn.Size = UDim2.new(0.9, 0, 0.35, 0)
visBtn.Position = UDim2.new(0.05, 0, 0.55, 0)
visBtn.Text = "SHOW HITPARTS: OFF"
visBtn.Font = Enum.Font.RobotoMono
visBtn.TextSize = 12
visBtn.TextColor3 = Color3.new(1, 1, 1)
visBtn.BackgroundColor3 = Color3.fromRGB(60, 60, 60)

-- Dragging Logic
local dragging, dragStart, startPos
frame.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1 then
        dragging = true; dragStart = input.Position; startPos = frame.Position
        input.Changed:Connect(function() if input.UserInputState == Enum.UserInputState.End then dragging = false end end)
    end
end)
UserInputService.InputChanged:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseMovement and dragging then
        local delta = input.Position - dragStart
        frame.Position = UDim2.new(startPos.X.Scale, startPos.X.Offset + delta.X, startPos.Y.Scale, startPos.Y.Offset + delta.Y)
    end
end)

local looping = false
local showing = false
local lockCF = nil -- This stores the position when you click the button

-- Teleport Logic (Locked Position)
local function teleportToLock()
    if not lockCF then return end
    for _, item in pairs(treesFolder:GetDescendants()) do
        if item.Name == "Hitpart" and item:IsA("BasePart") then
            item.CFrame = lockCF
            item.AssemblyLinearVelocity = Vector3.zero
            item.AssemblyAngularVelocity = Vector3.zero
        end
    end
end

-- Visibility Logic
local function updateVisibility()
    for _, item in pairs(treesFolder:GetDescendants()) do
        if item.Name == "Hitpart" and item:IsA("BasePart") then
            if showing then
                item.Transparency = 0.5
                if not item:FindFirstChild("HitpartHighlight") then
                    local box = Instance.new("SelectionBox")
                    box.Name = "HitpartHighlight"
                    box.Adornee = item
                    box.Color3 = Color3.fromRGB(0, 255, 255)
                    box.LineThickness = 0.05
                    box.Parent = item
                end
            else
                item.Transparency = 1
                if item:FindFirstChild("HitpartHighlight") then item.HitpartHighlight:Destroy() end
            end
        end
    end
end

-- Button Connections
btn.MouseButton1Click:Connect(function()
    looping = not looping
    
    if looping then
        -- Capture position ONCE when turned on
        local char = player.Character
        if char and char:FindFirstChild("HumanoidRootPart") then
            lockCF = char.HumanoidRootPart.CFrame * CFrame.new(0, 0, -10)
        end
        btn.Text = "STATIONARY LOOP: ON"
        btn.BackgroundColor3 = Color3.fromRGB(0, 150, 0)
    else
        lockCF = nil
        btn.Text = "STATIONARY LOOP: OFF"
        btn.BackgroundColor3 = Color3.fromRGB(150, 0, 0)
    end
    
    task.spawn(function()
        while looping do
            teleportToLock()
            task.wait(0.1)
        end
    end)
end)

visBtn.MouseButton1Click:Connect(function()
    showing = not showing
    visBtn.Text = showing and "SHOW HITPARTS: ON" or "SHOW HITPARTS: OFF"
    visBtn.BackgroundColor3 = showing and Color3.fromRGB(0, 120, 255) or Color3.fromRGB(60, 60, 60)
    updateVisibility()
end)