---

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

local player = Players.LocalPlayer
local character = player.Character or player.CharacterAdded:Wait()
local humanoid = character:WaitForChild("Humanoid")
local animator = humanoid:WaitForChild("Animator")

-- ========== НАСТРОЙКИ ==========
local WALK_SPEED = 16
local SPRINT_SPEED = 28
local SPRINT_KEY = Enum.KeyCode.LeftShift

local RUN_ANIMATION_ID = "rbxassetid://1234567890"   -- <-- сюда свой ID
-- ===============================

local isHoldingSprint = false
local isPlayingRunAnim = false

local runAnim = Instance.new("Animation")
runAnim.AnimationId = RUN_ANIMATION_ID
local runTrack = animator:LoadAnimation(runAnim)
runTrack.Priority = Enum.AnimationPriority.Action
runTrack.Looped = true

local function updateSprint()
	local isMoving = humanoid.MoveDirection.Magnitude > 0.1

	if isHoldingSprint and isMoving then
		-- Бежим
		humanoid.WalkSpeed = SPRINT_SPEED
		if not isPlayingRunAnim then
			runTrack:Play(0.2)
			isPlayingRunAnim = true
		end
	else
		-- Стоим или отпустили Shift
		humanoid.WalkSpeed = WALK_SPEED
		if isPlayingRunAnim then
			runTrack:Stop(0.2)
			isPlayingRunAnim = false
		end
	end
end

UserInputService.InputBegan:Connect(function(input, gameProcessed)
	if gameProcessed then return end
	if input.KeyCode == SPRINT_KEY then
		isHoldingSprint = true
		updateSprint()
	end
end)

UserInputService.InputEnded:Connect(function(input)
	if input.KeyCode == SPRINT_KEY then
		isHoldingSprint = false
		updateSprint()
	end
end)

-- Постоянно проверяем, двигается ли игрок
RunService.Heartbeat:Connect(function()
	if isHoldingSprint then
		updateSprint()
	end
end)

-- При респавне
player.CharacterAdded:Connect(function(newChar)
	character = newChar
	humanoid = character:WaitForChild("Humanoid")
	animator = humanoid:WaitForChild("Animator")

	runAnim = Instance.new("Animation")
	runAnim.AnimationId = RUN_ANIMATION_ID
	runTrack = animator:LoadAnimation(runAnim)
	runTrack.Priority = Enum.AnimationPriority.Action
	runTrack.Looped = true

	humanoid.WalkSpeed = WALK_SPEED
	isHoldingSprint = false
	isPlayingRunAnim = false
end)