# ClampableWithinRectProtocol A set of methods that defines the interface for Spatial entities that can be clamped to a volume. ``` protocol ClampableWithinRectProtocol : SpatialTypeProtocol ``` ## Topics ### Instance Methods [`func clamp(to: Self.Rect)`](/documentation/Spatial/ClampableWithinRectProtocol/clamp(to:)) Clamps the mutable entity to the specified rectangle. [`func clamped(to: Self.Rect) -> Self`](/documentation/Spatial/ClampableWithinRectProtocol/clamped(to:)) Returns the entity with coordinates clamped to the specified rectangle. ## Relationships ### Inherits From [`Equatable`](/documentation/Swift/Equatable) [`Encodable`](/documentation/Swift/Encodable) [`SpatialTypeProtocol`](/documentation/Spatial/SpatialTypeProtocol) [`Decodable`](/documentation/Swift/Decodable) ### Conforming Types [`Point3D`](/documentation/Spatial/Point3D) [`Point3DFloat`](/documentation/Spatial/Point3DFloat) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)