USDValue.Vec3h A 3-component half-precision vector. Declaration@frozen struct Vec3h TopicsInitializersinit()init(_:_:_:)Instance PropertiessimdxyzSubscriptssubscript(_:) RelationshipsConforms ToBitwiseCopyableCopyableCustomStringConvertibleEquatableEscapableHashableSendableSendableMetatypeUSDPrim.Attribute.MetadataValueUSDPrim.Attribute.ValueUSDValueProtocol