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API > API/Runtime > API/Runtime/Chaos > API/Runtime/Chaos/FContactPairModifier
Description
Modify linear velocity. For simulated objects: Previous frame's position is modified to maintain PBD implicit velocity.
| Name | ModifyParticleVelocity |
| Type | function |
| Header File | /Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/ContactModification.h |
| Include Path | #include "Chaos/ContactModification.h" |
| Source | /Engine/Source/Runtime/Experimental/Chaos/Private/Chaos/ContactModification.cpp |
void ModifyParticleVelocity
(
FVec3 Velocity,
int32 ParticleIdx
)