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Unreal Engine C++ API Reference > Plugins > GeometryCache > FGeomCacheTrackProxy
References
Module | GeometryCache |
Header | /Engine/Plugins/Runtime/GeometryCache/Source/GeometryCache/Public/GeometryCacheSceneProxy.h |
Include | #include "GeometryCacheSceneProxy.h" |
Source | /Engine/Plugins/Runtime/GeometryCache/Source/GeometryCache/Private/GeometryCacheSceneProxy.cpp |
virtual void FindSampleIndexesFromTime
(
float Time,
bool bLooping,
bool bIsPlayingBackwards,
int32 & OutFrameIndex,
int32 & OutNextFrameIndex,
float & InInterpolationFactor
)
Remarks
Find the two frames closest to the given time InterpolationFactor gives the position of the requested time slot between the two returned frames. 0.0 => We are very close to OutFrameIndex 1.0 => We are very close to OutNextFrameIndex If bIsPlayingBackwards it will return exactly the same indexes but in the reversed order. The InterpolationFactor will also be updated accordingly
Parameters
Name | Description |
---|---|
Time | (Elapsed)Time to check against |
bLooping | Whether or not the animation is being played in a loop |
bIsPlayingBackwards | Whether the animation is playing backwards or forwards |
OutFrameIndex | The closest frame index that corresponds to the given time |
OutNextFrameIndex | The frame index that follows OutFrameIndex |
InterpolationFactor | The interpolation value between the two frame times |