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API > API/Runtime > API/Runtime/HeadMountedDisplay > API/Runtime/HeadMountedDisplay/IXRTrackingSystem
Description
This method should return the world to meters scale for the current frame. Should be callable on both the render and the game threads.
| Name | GetWorldToMetersScale |
| Type | function |
| Header File | /Engine/Source/Runtime/HeadMountedDisplay/Public/IXRTrackingSystem.h |
| Include Path | #include "IXRTrackingSystem.h" |
float GetWorldToMetersScale() const
the current world to meter scale.