Infinite waypoint tween looper

--// Infinite Waypoint Tween Looper (Client-sided)
--// LocalScript: StarterPlayerScripts
--// Add unlimited waypoints, then loop tween through them.

local Players = game:GetService("Players")
local TweenService = game:GetService("TweenService")
local CoreGui = game:GetService("CoreGui")

local player = Players.LocalPlayer

-- =========================
-- CONFIG (easy to adjust)
-- =========================
local GUI_NAME = "InfiniteWaypointTweenLooperGui"

-- Choose ONE timing mode:
local USE_SPEED_MODE = true            -- true: uses STUDS_PER_SECOND, false: uses FIXED_TWEEN_TIME
local STUDS_PER_SECOND = 30            -- movement speed when USE_SPEED_MODE = true
local FIXED_TWEEN_TIME = 1.0           -- seconds per segment when USE_SPEED_MODE = false

local MIN_TWEEN_TIME = 0.15            -- clamps duration
local MAX_TWEEN_TIME = 6.0

local EASING_STYLE = Enum.EasingStyle.Sine
local EASING_DIR = Enum.EasingDirection.InOut

local WAIT_AT_POINT = 0.05             -- pause at each waypoint
local CONTROL_AUTOROTATE = true        -- smoother look while tweening

-- =========================
-- cleanup old gui
-- =========================
do
	local old = CoreGui:FindFirstChild(GUI_NAME)
	if old then old:Destroy() end
end

-- =========================
-- helpers
-- =========================