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API > API/Plugins > API/Plugins/HairStrandsCore > API/Plugins/HairStrandsCore/Niagara
References
| Module | HairStrandsCore |
| Header | /Engine/Plugins/Runtime/HairStrands/Source/HairStrandsCore/Public/Niagara/NiagaraDataInterfaceVelocityGrid.h |
| Include | #include "Niagara/NiagaraDataInterfaceVelocityGrid.h" |
Syntax
struct FNDIVelocityGridData
Remarks
Data stored per strand base instance
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
FNDIVelocityGridBuffer * | CurrentGridBuffer | Pointer to the current buffer |
 |
FNDIVelocityGridBuffer * | DestinationGridBuffer | Pointer to the destination buffer |
 |
FIntVector | GridSize | Grid Size |
 |
bool | NeedResize | Need a resize |
 |
int32 | NumAttributes | Num Attributes |
 |
FMatrix | WorldInverse | Inverse world transform |
 |
FMatrix | WorldTransform | World Transform |
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
bool | Init
(
const FIntVector& InGridSize, |
Initialize the buffers |
 |
void | Release () |
Release the buffers |
 |
void | Resize () |
Resize the buffers |
 |
void | Swap () |
Swap the current and the destination data |