Camera shake

local runService = game:GetService("RunService")
local character = script.Parent
local humanoid = character:WaitForChild("Humanoid")

function updCameraShake()
    local currentTime = tick()
    if humanoid.MoveDirection.Magnitude > 0 then
        local shakeX = math.cos(currentTime * 10) * .2
        local shakeY = math.abs(math.sin(currentTime * 10)) * .2
        local shake = Vector3.new(shakeX, shakeY, 0)

        humanoid.CameraOffset = humanoid.CameraOffset:lerp(shake, .25)
    else
        humanoid.CameraOffset = humanoid.CameraOffset * .7
    end
end

runService.RenderStepped:Connect(updCameraShake)