[TArray](API\Runtime\Core\Containers\TArray)< [FPBDRigidParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidParticleHandle) * > FindChildrenWithinRadius ( const [FPBDRigidClusteredParticleHandle](API\Runtime\Chaos\Chaos\FPBDRigidClusteredParticleHandle) * ClusteredParticle, const [FVec3](API\Runtime\ChaosCore\Chaos\FVec3) & WorldLocation, [FReal](API\Runtime\ChaosCore\Chaos\FReal) Radius, bool bAlwaysReturnClosest ) const