[TArray](API\Runtime\Core\Containers\TArray)< [FGeometryParticleHandle](API\Runtime\Chaos\Chaos\FGeometryParticleHandle) * > CreateStaticParticles ( int32 NumParticles, const [FUniqueIdx](API\Runtime\Chaos\Chaos\FUniqueIdx) * ExistingIndices, const [FGeometryParticleParameters](API\Runtime\Chaos\Chaos\FGeometryParticleParameters) & Params )