Why does the scale of buildings change when exporting from RoadRunner to Unreal Engine?

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MathWorks Support Team 2021-9-8

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编辑： MathWorks Support Team 2024-3-29

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When I export a building from RoadRunner to UnrealEngine, its scale somehow changes.

For example, a building which scale is x=1,y=3,z=2 in RoadRunner is distorted in UnrealEngine as shown in the screenshot below.

If the scales x,y,z are equal, this phenomenon doesn't happen.

How can I avoid this issue?

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MathWorks Support Team 2024-3-29

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编辑：MathWorks Support Team 2024-3-29

Unreal Engine 4 does not handle rotation and scaling very well.

See: https://forums.unrealengine.com/t/parent-scale-does-not-account-for-child-rotation/293436

A workaround is to freeze the transforms in something like Maya before importing into RoadRunner.

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Robotics and Autonomous Systems Simulink 3D Animation

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