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Unreal Engine C++ API Reference > Runtime > Engine > Particles > TypeData > UParticleModuleTypeDataBeam2
Syntax
int32 UpVectorStepSize
Remarks
The approach to use for determining the Up vector(s) for the beam.
0 indicates that the Up FVector should be calculated at EVERY point in the beam. 1 indicates a single Up FVector should be determined at the start of the beam and used at every point. N indicates an Up FVector should be calculated every N points of the beam and interpolated between them. [NOTE: This mode is currently unsupported.]