How to rotate a "Door" Model by touching it?

Hey! I see you're having a problem with your door and I will gladly fix it, but if you can do me a favor, please union that door. It would make stuff a lot easier.

function onTouch(hit)
    if hit.Parent:FindFirstChild("Humanoid") then --Checks if the thing that hit it is a player
        for i=0,80, 1 do --a loop that repeats it for a specific amount of times.
                    game.Workspace.Door.Rotation = game.Workspace.Door.Rotation + Vector3.new(0, i, 0) --If you were to do Door.CFrame then it would have to be CFrame.new, why? Because you cant add a Vector3 value to a CFrame value.        
        wait(0.1)--waits a tenth of a second.
        end
    end
end

script.Parent.Touched:connect(onTouch)

Although you can use a script for this, the best way to do this would be to use surfaces. A specific surface would be a "Hinge".