not mine

-- Author: 0xEB (maxbd, maxbd07, maxbd123)
-- Special thanks to InvalidCo_de (GrundyCone) for informing me of "UserInputService.MouseBehavior" and "Enum.MouseBehavior.LockCenter."
local options = {
    WalkSpeed = 100,
    HotKey = Enum.KeyCode.E
}
local UserInputService = game:GetService("UserInputService")
local PAYER = game:GetService("Players").LocalPlayer
local HUMANOID = PLAYER.Character:FindFirstChild("Humanoid") or PLAYER.Character:FindFirstChildOfClass("Humanoid")
local ROOT = PLAYER.Character:FindFirstChild("HumanoidRootPart") or PLAYER.Character.PrimaryPart
local vA = (options.WalkSpeed - HUMANOID.WalkSpeed) / 32
local vB, vC, vD = false, false, {}
HUMANOID.Running:Connect(function(pA)
    vB = (pA > 0) and true or false
end)
local function GetDirectionVector(pA, pB)
	local vA = Vector3.new(0, 0, 0)
	vA = vA + ((pB[1] == true) and pA.CFrame.LookVector or Vector3.new(0, 0, 0))
	vA = vA + ((pB[2] == true) and pA.CFrame:VectorToWorldSpace(Vector3.new(-1, 0, 0)) or Vector3.new(0, 0, 0))
	vA = vA + ((pB[3] == true) and pA.CFrame:VectorToWorldSpace(Vector3.new(0, 0, 1)) or Vector3.new(0, 0, 0))
	vA = vA + ((pB[4] == true) and pA.CFrame:VectorToWorldSpace(Vector3.new(1, 0, 0)) or Vector3.new(0, 0, 0))

	return vA
end
UserInputService.InputBegan:Connect(function(pA, pB)
    if pA.UserInputType == Enum.UserInputType.Keyboard and pB == false then
        if pA.KeyCode == options.HotKey then
            vC, vD = (vC == false) and true or false, {true, false, false, false}

            while vC == true and wait() do
                if UserInputService.MouseBehavior ~= Enum.MouseBehavior.LockCenter then
                    ROOT.CFrame = ROOT.CFrame + ROOT.CFrame.LookVector * vA
                else
                    ROOT.CFrame = ROOT.CFrame + GetDirectionVector(ROOT, vD) * vA
                end
            end
        end

        if vC == true then
			if pA.KeyCode == Enum.KeyCode.W then vD[1], vD[3] = true, false end
			if pA.KeyCode == Enum.KeyCode.A then vD[2], vD[4] = true, false end
            if pA.KeyCode == Enum.KeyCode.S then vD[3], vD[1] = true, false end
            if pA.KeyCode == Enum.KeyCode.D then vD[4], vD[2] = true, false end
		end
    end
end)
UserInputService.InputEnded:Connect(function(pA, pB)
	if pA.UserInputType == Enum.UserInputType.Keyboard and pB == false and vC == true then
		if pA.KeyCode == Enum.KeyCode.W then vD[1] = false end
        if pA.KeyCode == Enum.KeyCode.A then vD[2] = false end
        if pA.KeyCode == Enum.KeyCode.S then vD[3] = false end
		if pA.KeyCode == Enum.KeyCode.D then vD[4] = false end
	end
end)