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How do you rotate a model?

Asked by
thesandking 0
10 years ago

There is a Model:MoveTo and Model:TranslateBy, but no Model:RotateBy. I have a 'master' model I need to re-spawn in various locations within a map and facing various directions. I can use MoveTo to position the model, but how do I rotate it? I've been thinking of having it spawn on a rotating platform, but that seems overly complicated.

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Answered by
Sublimus 992 Moderation Voter
10 years ago

Note, this is not my work, it's something I have been using that is free-source for a while:


--[==[
        :RotateModel:

    Rotates a model around a center point.

>>  How to use

        RotateModel(model, center, axes [, inc [, step]])

            model   :   Object  :   the model to rotate
            center  :   CFrame  :   the center
            axes    :   table   :   a table of which axes to rotate on and how much to rotate them by (in radians)
            inc     :   number  :   how many times to apply the rotation (optional)
            step        :   number  :   how long to wait between each application (optional)

]==]

function _G.RotateModel(model,center,axes,inc,step)
    local origin = {}
    for _,child in pairs(model:GetChildren()) do
        if child:IsA"BasePart" then
            origin[child] = center:toObjectSpace(child.CFrame)
        end
    end
    for i = 1,inc or 1 do
        center = center  * CFrame.fromEulerAnglesXYZ(unpack(axes))
        for part,cf in pairs(origin) do
            part.CFrame = center:toWorldSpace(cf)
        end
        if step then wait(step) end
    end
end
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