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API > API/Editor > API/Editor/ViewportInteraction > API/Editor/ViewportInteraction/UViewportInteractor
| Type | Name | Description | |
|---|---|---|---|
| void | CalculateDragRay
(
double& InOutDragRayLength, |
Needs to be implemented by the base to calculate drag ray length and the velocity for the ray | |
| void | CalculateDragRay
(
float& InOutDragRayLength, |
CalculateDragRay() now uses double-precision arguments. |