car script needs a boombox

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

local LocalPlayer = Players.LocalPlayer
local Character = LocalPlayer.Character or LocalPlayer.CharacterAdded:Wait()

local BoomBoxRemote

local COLLISION_COOLDOWN = 0.3
local BOUNCE_SPEED = 50
local WALL_DETECTION_RANGE = 3

local WALK_SPEED_BASE = 5
local WALK_SPEED_MAX = 40
local ACCELERATION_RATE = 20
local DECELERATION_RATE = 40

local isColliding = false
local currentVelocity = Vector3.zero
local lastMoveDirection = Vector3.new(0, 0, -1)

local ANIMATION_ID = "rbxassetid://116772752010894"
local animation = Instance.new("Animation")
animation.AnimationId = ANIMATION_ID

local animationTrack
local currentAnimator

local HumanoidRootPart

local function setupCharacter(char)
    Character = char
    local Humanoid = Character:WaitForChild("Humanoid")
    HumanoidRootPart = Character:WaitForChild("HumanoidRootPart")
    currentAnimator = Humanoid:WaitForChild("Animator")

    Humanoid.WalkSpeed = 0

    if animationTrack then
        animationTrack:Stop()
        animationTrack = nil
    end

    BoomBoxRemote = nil

    local success, track = pcall(function()
        return currentAnimator:LoadAnimation(animation)
    end)

    if success and track then
        animationTrack = track
        animationTrack.Looped = true
        animationTrack.Priority = Enum.AnimationPriority.Action4
        animationTrack:Play()
        animationTrack:AdjustSpeed(0) -- Start animation stopped
    else
        warn("Failed to load animation - invalid or unowned ID.")
    end

    currentVelocity = Vector3.zero
    isColliding = false
end

setupCharacter(Character)

LocalPlayer.CharacterAdded:Connect(setupCharacter)

local function getBoomBoxRemote()
    if BoomBoxRemote then return BoomBoxRemote end

    if not Character then return nil end

    for _, tool in ipairs(Character:GetChildren()) do
        if tool:IsA("Tool") and tool.Name == "BoomBox" then
            local remote = tool:FindFirstChild("Remote")
            if remote and remote:IsA("RemoteEvent") then
                BoomBoxRemote = remote
                return remote
            end
        end
    end

    return nil
end

local toucedConnection

local function handleCollision(otherPart)
    if isColliding or not HumanoidRootPart or not otherPart or otherPart:IsDescendantOf(Character) then
        return
    end

    isColliding = true

    local bounceDirection = -currentVelocity.Unit
    if currentVelocity.Magnitude < 0.1 then
        bounceDirection = -lastMoveDirection.Unit
        if lastMoveDirection.Magnitude < 0.1 then
            bounceDirection = -HumanoidRootPart.CFrame.LookVector
        end
    end

    HumanoidRootPart.AssemblyLinearVelocity = bounceDirection * BOUNCE_SPEED
    currentVelocity = HumanoidRootPart.AssemblyLinearVelocity

    local remote = getBoomBoxRemote()
    if remote then
        local args = {
            "PlaySong",
            1897654568
        }
        remote:FireServer(unpack(args))

        task.wait(COLLISION_COOLDOWN)

        remote:FireServer(" ")
    end

    isColliding = false
end

local function connectTouchedEvent()
    if toucedConnection then
        toucedConnection:Disconnect()
        toucedConnection = nil
    end
    if HumanoidRootPart then
        toucedConnection = HumanoidRootPart.Touched:Connect(handleCollision)
    end
end

connectTouchedEvent()

LocalPlayer.CharacterAdded:Connect(function(char)
    setupCharacter(char)
    connectTouchedEvent()
end)

RunService.Heartbeat:Connect(function(deltaTime)
    if not (Character and Character.Parent) then return end

    local Humanoid = Character:FindFirstChild("Humanoid")
    if not (Humanoid and HumanoidRootPart and currentAnimator and animationTrack) then return end

    if Humanoid.WalkSpeed ~= 0 then
        Humanoid.WalkSpeed = 0
    end

    local moveDirection = Humanoid.MoveDirection

    if moveDirection.Magnitude > 0.1 then
        lastMoveDirection = moveDirection.Unit
        local targetSpeed = WALK_SPEED_MAX

        local newSpeedMagnitude = math.min(targetSpeed, currentVelocity.Magnitude + ACCELERATION_RATE * deltaTime)
        currentVelocity = lastMoveDirection * newSpeedMagnitude
    else

        local currentSpeedMagnitude = currentVelocity.Magnitude

        if currentSpeedMagnitude > 0 then
            local decelerationAmount = DECELERATION_RATE * deltaTime

            local newSpeedMagnitude = math.max(0, currentSpeedMagnitude - decelerationAmount)

            if newSpeedMagnitude < 0.5 then
                currentVelocity = Vector3.zero
            else
                currentVelocity = currentVelocity.Unit * newSpeedMagnitude
            end
        else
            currentVelocity = Vector3.zero
        end
    end

    HumanoidRootPart.AssemblyLinearVelocity = currentVelocity

    local minAnimationSpeedThreshold = 0.5
    local animationSpeedMultiplier = 0.05
    local currentSpeed = currentVelocity.Magnitude

    if currentSpeed > minAnimationSpeedThreshold then
        animationTrack:AdjustSpeed(currentSpeed * animationSpeedMultiplier)
    else
        animationTrack:AdjustSpeed(0)
    end

    local lookDirection = lastMoveDirection

    local targetCFrame = CFrame.lookAt(HumanoidRootPart.Position, HumanoidRootPart.Position + lookDirection, Vector3.new(0, 1, 0))

    local turnSpeed = 0.15
    HumanoidRootPart.CFrame = HumanoidRootPart.CFrame:Lerp(targetCFrame, turnSpeed)
end)