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