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API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/FExpressionVertexInterpolator
- FExpression::ComputePreviousFrame()
- FExpressionVertexInterpolator::ComputePreviousFrame()
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/MaterialHLSLTree.h |
| Include | #include "MaterialHLSLTree.h" |
| Source | /Engine/Source/Runtime/Engine/Private/Materials/MaterialHLSLTree.cpp |
virtual const FExpression &42; ComputePreviousFrame
&40;
FTree & Tree,
const FRequestedType & RequestedType
&41; const
Remarks
Creates a new expression representing this expression on the previous frame. By default returns nullptr, which means the previous frame is the same as the current frame