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API > API/Runtime > API/Runtime/HeadMountedDisplay > API/Runtime/HeadMountedDisplay/TCircularHistoryBuffer > API/Runtime/HeadMountedDisplay/TCircularHistoryBuffer/op_subscript
References
| Module | HeadMountedDisplay |
| Header | /Engine/Source/Runtime/HeadMountedDisplay/Public/MotionDelayBuffer.h |
| Include | #include "MotionDelayBuffer.h" |
| Source | /Engine/Source/Runtime/HeadMountedDisplay/Public/MotionDelayBuffer.inl |
ElementType & operator&91;&93;
&40;
uint32 Index
&41;
Remarks
NOTE: Will clamp to the oldest value available if the buffer isn't full and the index is larger than the number of values buffered.
Parameters
| Name | Description |
|---|---|
| Index | Stack-esque indexing: 0 => the most recent value added, 1+n => Older entries, 1+n back from the newest. |