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API > API/Editor > API/Editor/ViewportInteraction > API/Editor/ViewportInteraction/UViewportInteractor > API/Editor/ViewportInteraction/UViewportInteractor/CalculateDragRay
Deprecated * CalculateDragRay() now uses double-precision arguments.
References
| Module | ViewportInteraction |
| Header | /Engine/Source/Editor/ViewportInteraction/Public/ViewportInteractor.h |
| Include | #include "ViewportInteractor.h" |
virtual void CalculateDragRay
&40;
float & InOutDragRayLength,
float & InOutDragRayVelocity
&41;