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Are there any issues with setting a negative scale to a mesh?

Something like a scale of 1,-1,1. I have a skeletal mesh I'd like to mirror but I don't know if that's a game design "don't" or not. Thanks.

Product Version: UE 4.11
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asked Jul 10 '17 at 09:59 PM in Rendering

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swiss_cheese9797
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2 answers: sort voted first

Hey Guys,

Negative scaling on ISMs is not supported.

Reason being is that meshes with negative scales require a different cull mode which would require an additional draw call.

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answered May 30 '18 at 03:07 PM

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Alex O ♦♦ STAFF
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Yes, there is! If you try to use Hierarchical Instanced Static Mesh Component then it will show your mesh as inverted (you will see only inside part of the mesh, not outside). Weird thing...

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answered Nov 21 '17 at 03:25 PM

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raianlp
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