Well-suited for an explorer.

Script source Luau

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-- [[ BloxScripts Risk Notice ]]
-- This script has not been verified by BloxScripts.fun. Deal with caution.
--
-- Stay safe:
--   • Never log in on unofficial Roblox sites or lookalike domains.
--   • Real Roblox links use roblox.com (check the .com ending).
--   • Treat fake Roblox login / "claim reward" pages as phishing.
-- [[ End BloxScripts Risk Notice ]]

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

local player = Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")

local CENTER = Vector3.new(32, 0, 0)
local INNER_RADIUS = 20000
local OUTER_RADIUS = 40000
local MIN_Y = 500
local MAX_Y = 550
local SEGMENTS = 96

local RED = Color3.fromRGB(255, 0, 0)
local running = true

-- Remove previous version
local oldGui = playerGui:FindFirstChild("RedESPBorder")
if oldGui then oldGui:Destroy() end

local gui = Instance.new("ScreenGui")
gui.Name = "RedESPBorder"
gui.ResetOnSpawn = false
gui.IgnoreGuiInset = true
gui.Parent = playerGui

local panel = Instance.new("Frame")
panel.Size = UDim2.fromOffset(220, 94)
panel.Position = UDim2.new(0, 15, 0.35, 0)
panel.BackgroundColor3 = Color3.fromRGB(25, 25, 25)
panel.BorderSizePixel = 0
panel.Active = true
panel.Parent = gui

local corner = Instance.new("UICorner")
corner.CornerRadius = UDim.new(0, 8)
corner.Parent = panel

local title = Instance.new("TextLabel")
title.Size = UDim2.new(1, 0, 0, 32)
title.BackgroundTransparency = 1
title.Text = "RED ESP BORDER"
title.TextColor3 = RED
title.TextSize = 16
title.Font = Enum.Font.GothamBold
title.Parent = panel

local button = Instance.new("TextButton")
button.Size = UDim2.new(1, -16, 0, 34)
button.Position = UDim2.fromOffset(8, 42)
button.BackgroundColor3 = RED
button.TextColor3 = Color3.new(1, 1, 1)
button.Text = "BORDER: ON"
button.TextSize = 14
button.Font = Enum.Font.GothamBold
button.Parent = panel

local bc = Instance.new("UICorner")
bc.CornerRadius = UDim.new(0, 6)
bc.Parent = button

-- Screen-space line pool
local lines = {}

local function createLine()
    local line = Instance.new("Frame")
    line.Name = "BorderLine"
    line.AnchorPoint = Vector2.new(0.5, 0.5)
    line.BorderSizePixel = 0
    line.BackgroundColor3 = RED
    line.BackgroundTransparency = 0.1
    line.Visible = false
    line.Parent = gui
    return line
end

-- Four vertical edges for every sampled point on both rings.
-- Also draw the top and bottom outlines.
local MAX_LINES = (SEGMENTS * 2 * 3) + (SEGMENTS * 2)
for i = 1, MAX_LINES do
    lines[i] = createLine()
end

local function projectPoint(camera, point)
    local screen, visible = camera:WorldToViewportPoint(point)
    return Vector2.new(screen.X, screen.Y), visible, screen.Z
end

local function drawLine(line, camera, a, b)
    local pa, va, za = projectPoint(camera, a)
    local pb, vb, zb = projectPoint(camera, b)

    -- Hide segments behind the camera or outside the viewport.
    -- WorldToViewportPoint does not clip the line to screen edges.
    if za <= 0 or zb <= 0 or (not va and not vb) then
        line.Visible = false
        return
    end

    local delta = pb - pa
    line.Position = UDim2.fromOffset(
        (pa.X + pb.X) / 2,
        (pa.Y + pb.Y) / 2
    )
    line.Size = UDim2.fromOffset(
        math.max(1, delta.Magnitude),
        2
    )
    line.Rotation = math.deg(math.atan2(delta.Y, delta.X))
    line.Visible = running
end

local function ringPoint(radius, angle, y)
    return Vector3.new(
        CENTER.X + math.cos(angle) * radius,
        y,
        CENTER.Z + math.sin(angle) * radius
    )
end

local function render()
    local camera = workspace.CurrentCamera
    if not camera then return end

    local index = 1

    local function add(a, b)
        drawLine(lines[index], camera, a, b)
        index += 1
    end

    for _, radius in ipairs({INNER_RADIUS, OUTER_RADIUS}) do
        for i = 0, SEGMENTS - 1 do
            local a1 = (i / SEGMENTS) * math.pi * 2
            local a2 = ((i + 1) / SEGMENTS) * math.pi * 2

            local bottom1 = ringPoint(radius, a1, MIN_Y)
            local bottom2 = ringPoint(radius, a2, MIN_Y)
            local top1 = ringPoint(radius, a1, MAX_Y)
            local top2 = ringPoint(radius, a2, MAX_Y)

            -- Vertical grid posts
            add(bottom1, top1)

            -- Top and bottom grid outlines
            add(bottom1, bottom2)
            add(top1, top2)
        end
    end

    -- Hide any unused lines
    for i = index, #lines do
        lines[i].Visible = false
    end
end

button.Activated:Connect(function()
    running = not running
    button.Text = running and "BORDER: ON" or "BORDER: OFF"
    button.BackgroundColor3 = running
        and RED
        or Color3.fromRGB(70, 70, 70)

    if not running then
        for _, line in ipairs(lines) do
            line.Visible = false
        end
    end
end)

-- Drag panel on touch and mouse
local dragging = false
local dragStart
local startPos
local dragInput

title.InputBegan:Connect(function(input)
    if input.UserInputType == Enum.UserInputType.MouseButton1
        or input.UserInputType == Enum.UserInputType.Touch then
        dragging = true
        dragStart = input.Position
        startPos = panel.Position

        input.Changed:Connect(function()
            if input.UserInputState == Enum.UserInputState.End then
                dragging = false
            end
        end)
    end
end)

title.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 dragging and input == dragInput then
        local d = input.Position - dragStart
        panel.Position = UDim2.new(
            startPos.X.Scale, startPos.X.Offset + d.X,
            startPos.Y.Scale, startPos.Y.Offset + d.Y
        )
    end
end)

local connection = RunService.RenderStepped:Connect(render)

script.Destroying:Connect(function()
    connection:Disconnect()
end)

print("[Red ESP Border] Loaded")

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