Making camera tilt forward/backwards along with movement?

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1

I have a script that rotates the camera left and right based on the humanoid’s MoveDirection, and it works perfectly as I want it to, but only side-to-side:
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…but trying to add functionality to make it tilt the same way front and back doesn’t work nearly as well.

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It moves way too much, and doesn’t go back into place, like it’s constantly being added onto, unlike the other axis. I’ve tried a few things, like basing it off of MoveVector instead of MoveDirection, but I wasn’t able to get it working like how I wanted, and don’t fully understand how it snaps back into place. Here is the code:

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

local Player = Players.LocalPlayer
local Camera = workspace.CurrentCamera
local Character = Player.Character or Player.CharacterAdded:Wait()
local HRP = Character:WaitForChild("HumanoidRootPart")
Camera.CameraSubject = HRP
Camera.CameraType = Enum.CameraType.Follow
Camera.FieldOfView = 80

local rad = math.rad
local Rot = CFrame.new()

local function GetRollRightAngle()
	local Character = Player.Character
	if not Character then
		return
	end

	local Cf = Camera.CFrame
	return -Cf.RightVector:Dot(Character.Humanoid.MoveDirection)
end

local function GetRollLookAngle()
	local Character = Player.Character
	if not Character then
		return
	end

	local Cf = Camera.CFrame
	return -Cf.UpVector:Dot(Character.Humanoid.MoveDirection)
end

RunService:BindToRenderStep("RotateCameraInPlayerDir", Enum.RenderPriority.Camera.Value + 1, function()
	local RollRight = GetRollRightAngle() * -12
	local RollLook = GetRollLookAngle() * -10
	
	Rot = Rot:Lerp(CFrame.Angles(rad(RollLook), 0, rad(RollRight)), 0.2)

	Camera.CFrame *= Rot
end)
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