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API > API/Plugins > API/Plugins/ControlRigSpline > API/Plugins/ControlRigSpline/FControlRigSpline
Description
Given an InParam float in [0, 1], will return the tangent vector of the spline at that point. Note that this vector is not normalized.
| Name | TangentAtParam |
| Type | function |
| Header File | /Engine/Plugins/Animation/ControlRigSpline/Source/ControlRigSpline/Public/ControlRigSplineTypes.h |
| Include Path | #include "ControlRigSplineTypes.h" |
| Source | /Engine/Plugins/Animation/ControlRigSpline/Source/ControlRigSpline/Private/ControlRigSplineTypes.cpp |
FVector TangentAtParam
(
const float InParam
) const
The tangent of the spline at InParam.
Parameters
| Name | Remarks |
|---|---|
| InParam | The parameter between [0, 1] to query. |