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How To Change Part Position When :invert() Was Used In Weld Script?

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Ok so I am trying to make elevator door and I want to make it move like in real life: move both doors 1 stud away from entrance, move left door to left side, move right door to right side. This is what I used in script to weld these doors: 

local doorH = game.Workspace.DoorHandle
local doorL = game.Workspace.DoorLeft

local weld = Instance.new("ManualWeld", doorL)

weld.Part0 = doorL
weld.Part1 = doorH

weld.C0 = doorL.CFrame:inverse() * doorH.CFrame()

And now I need to find a way how to make left door move. This is what I tried in other script: game.Workspace.DoorLeft.ManualWeld.C0 = game.Workspace.DoorLeft.CFrame * CFrame.new(1, 0, 0) But then door teleported somewhere far away, next I tried: game.Workspace.DoorLeft.ManualWeld.C0 = game.Workspace.DoorHandle.CFrame * CFrame.new(1, 0, 0) Same thing happen. I tried a lot of stuff like this and I failed, that's why I'm here asking for help.

Anonymous

1 answer

✓ Accepted answer

You're dealing with object space
Local space, if you prefer.

What most people don't really understand is that weld.C0 = doorL.CFrame:inverse() * doorH.CFrame() converts doorH.CFrame (Which shouldn't have the parentheses, mind) into doorL.CFrame's Object Space. This means that the new CFrame is relative to doorL.CFrame instead of CFrame.new(0,0,0) (Which is world/global space).

What this means for you is that in order to adjust it, you have to adjust it relative to local space. You'll want to try something like

game.Workspace.DoorLeft.ManualWeld.C0 = game.Workspace.DoorLeft.ManualWeld.C0  * CFrame.new(1, 0, 0)

But for an incremental for loop, you might be better off converting everything from world space to object space with an offset, as you'd done when you welded them originally.

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