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Setting Actor's rotation in the editor is refused

I have an actor in the world. If I attempt to set the rotation in the editor to 0.0, 90.0, -90.0 then the editor automatically changes this to 90.0,90.0,0.0 instead.

Why is the editor overriding my required roll, pitch & yaw values and putting in it's own? Even if I use 0.0, 90.0, 270.0 then I still get 90.0, 90.0, 0.0

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asked Mar 02 '15 at 01:08 PM in Using UE4

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PompeyPaul
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1 answer: sort voted first

When talking to members of Epic games they said that this was gimble locking. It's because, whilst displayed as a set of rotations, underneath there is a quaternion. Setting this quaternion is gimble locking. The work around is to set slightly off of those angles of rotation to unlock.

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answered Apr 21 '15 at 12:26 PM

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PompeyPaul
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