Open Source Train Button

local TweenService = game:GetService("TweenService")
local Players = game:GetService("Players")
local LocalPlayer = Players.LocalPlayer
local RunService = game:GetService("RunService")

local targetRemote = workspace.Map.Destructible.Model.StationControl.Handle.Train

local function createCircleGui()
    local existingGui = LocalPlayer.PlayerGui:FindFirstChild("CircleGui")
    if existingGui then return existingGui end

    local screenGui = Instance.new("ScreenGui")
    screenGui.Parent = LocalPlayer:WaitForChild("PlayerGui")
    screenGui.Name = "CircleGui"
    screenGui.ResetOnSpawn = false 

    local circleButton = Instance.new("TextButton")
    circleButton.Name = "CircleButton"
    circleButton.Parent = screenGui
    circleButton.Size = UDim2.new(0, 100, 0, 100)
    circleButton.Position = UDim2.new(0.87, -50, 0.5, -450)
    circleButton.AnchorPoint = Vector2.new(0.5, 0.5)
    circleButton.BackgroundColor3 = Color3.fromRGB(255, 0, 0) 
    circleButton.Text = ""
    circleButton.TextColor3 = Color3.fromRGB(255, 255, 255)

    local function clickAnimation()
        local downTween = TweenService:Create(circleButton, TweenInfo.new(0.1, Enum.EasingStyle.Quad, Enum.EasingDirection.Out), {
            Size = UDim2.new(0, 90, 0, 90)
        })
        local upTween = TweenService:Create(circleButton, TweenInfo.new(0.2, Enum.EasingStyle.Bounce, Enum.EasingDirection.Out), {
            Size = UDim2.new(0, 100, 0, 100)
        })

        downTween:Play()
        downTween.Completed:Connect(function()
            upTween:Play()
        end)
    end

    circleButton.MouseButton1Click:Connect(function()
        clickAnimation()
        targetRemote:FireServer()
    end)

    RunService.RenderStepped:Connect(function()
        local prompt = workspace:FindFirstChild("Map") 
            and workspace.Map:FindFirstChild("Destructible") 
            and workspace.Map.Destructible:FindFirstChild("Model") 
            and workspace.Map.Destructible.Model:FindFirstChild("StationControl") 
            and workspace.Map.Destructible.Model.StationControl:FindFirstChild("ButtonTrain") 
            and workspace.Map.Destructible.Model.StationControl.ButtonTrain:FindFirstChild("Button") 
            and workspace.Map.Destructible.Model.StationControl.ButtonTrain.Button:FindFirstChild("Button")

        if prompt and prompt:IsA("ProximityPrompt") and prompt.Enabled then
            circleButton.BackgroundColor3 = Color3.fromRGB(91, 154, 76) 
        else
            circleButton.BackgroundColor3 = Color3.fromRGB(255, 0, 0) 
        end
    end)

    return screenGui
end

createCircleGui()