-- [[ THE ULTIMATE SONIC FORCES 2D EXECUTOR ]] --
local player = game.Players.LocalPlayer
local char = player.Character or player.CharacterAdded:Wait()
local hum = char:WaitForChild("Humanoid")
local hrp = char:WaitForChild("HumanoidRootPart")
local CAS = game:GetService("ContextActionService")
local RunService = game:GetService("RunService")
local TweenService = game:GetService("TweenService")

-- 1. SPRITE ASSET DATABASE
local spr_Idle = "rbxassetid://75176076420443"
local walkFrames = {
    "rbxassetid://119600556121484", "rbxassetid://97873710759940",
    "rbxassetid://103217887050572", "rbxassetid://82366656282716",
    "rbxassetid://139942244949799"
}
local jumpFrames = {
    "rbxassetid://124591296933974", "rbxassetid://99646550819635",
    "rbxassetid://140172695086692", "rbxassetid://114509472621074",
    "rbxassetid://111459083295979"
}

-- 2. THE MORPH (Hide Robloxian, Show Sonic)
for _, v in pairs(char:GetChildren()) do
    if v:IsA("BasePart") then v.Transparency = 1 end
    if v:IsA("Accessory") then v.Handle.Transparency = 1 end
end

local bb = Instance.new("BillboardGui", hrp)
bb.Name = "SonicBillboard"
bb.Size = UDim2.new(4.5, 0, 4.5, 0)
bb.Adornee = hrp
bb.ExtentsOffset = Vector3.new(0, 0.6, 0)

local img = Instance.new("ImageLabel", bb)
img.Size = UDim2.new(1, 0, 1, 0)
img.BackgroundTransparency = 1
img.ScaleType = Enum.ScaleType.Fit
img.Image = spr_Idle

-- 3. PHYSICS & STATE VARS
local currentSpeed = 16
local maxWalkSpeed = 135
local boostSpeed = 260
local accel = 0.5
local isBoosting = false
local animTimer = 0

-- 4. HOMING ATTACK LOGIC (NPC TARGETING)
local function getTarget()
    local closest, dist = nil, 60
    for _, v in pairs(workspace:GetDescendants()) do
        if v:IsA("Humanoid") and v.Parent ~= char and v.RootPart then
            local mag = (hrp.Position - v.RootPart.Position).Magnitude
            if mag  0
    local airborne = hum:GetState() == Enum.HumanoidStateType.Jumping or hum:GetState() == Enum.HumanoidStateType.Freefall
    
    -- Speed Logic
    if moving then
        currentSpeed = math.min(currentSpeed + accel, isBoosting and boostSpeed or maxWalkSpeed)
        hum.WalkSpeed = currentSpeed
    else
        currentSpeed = 16; hum.WalkSpeed = 16
    end

    -- Sprite Swapping
    if airborne then
        animTimer = animTimer + (dt * 30)
        img.Image = jumpFrames[(math.floor(animTimer) % #jumpFrames) + 1]
    elseif moving then
        animTimer = animTimer + (dt * (currentSpeed / (isBoosting and 10 or 7)))
        img.Image = walkFrames[(math.floor(animTimer) % #walkFrames) + 1]
        img.Rotation = math.clamp(currentSpeed / 6.5, 0, 15) -- Lean
    else
        animTimer = 0; img.Image = spr_Idle; img.Rotation = 0
    end

    -- Boost Visuals
    img.ImageColor3 = isBoosting and Color3.fromRGB(160, 210, 255) or Color3.new(1, 1, 1)
end)