# SpatialTypeProtocol ``` protocol SpatialTypeProtocol : Decodable, Encodable, Equatable ``` ## Topics ### Associated Types [`associatedtype AffineTransform : Transform3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/AffineTransform) [`associatedtype AxisEnumeration`](/documentation/Spatial/SpatialTypeProtocol/AxisEnumeration) [`associatedtype Point : Primitive3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Point) [`associatedtype Pose : Rotatable3DProtocol, Translatable3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Pose) [`associatedtype ProjectiveTransform : Transform3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/ProjectiveTransform) [`associatedtype Quaternion`](/documentation/Spatial/SpatialTypeProtocol/Quaternion) [`associatedtype Rect : Primitive3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Rect) [`associatedtype Rotation : Rotatable3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Rotation) [`associatedtype Scalar : Numeric`](/documentation/Spatial/SpatialTypeProtocol/Scalar) [`associatedtype Size : Primitive3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Size) [`associatedtype Vector : Primitive3DProtocol`](/documentation/Spatial/SpatialTypeProtocol/Vector) ## Relationships ### Inherited By [`Scalable3DProtocol`](/documentation/Spatial/Scalable3DProtocol) [`Shearable3DProtocol`](/documentation/Spatial/Shearable3DProtocol) [`VolumetricProtocol`](/documentation/Spatial/VolumetricProtocol) [`Transform3DProtocol`](/documentation/Spatial/Transform3DProtocol) [`Rotatable3DProtocol`](/documentation/Spatial/Rotatable3DProtocol) [`Translatable3DProtocol`](/documentation/Spatial/Translatable3DProtocol) [`Primitive3DProtocol`](/documentation/Spatial/Primitive3DProtocol) [`ClampableWithinRectProtocol`](/documentation/Spatial/ClampableWithinRectProtocol) ### Conforming Types [`Rotation3D`](/documentation/Spatial/Rotation3D) [`Size3DFloat`](/documentation/Spatial/Size3DFloat) [`ProjectiveTransform3DFloat`](/documentation/Spatial/ProjectiveTransform3DFloat) [`Ray3DFloat`](/documentation/Spatial/Ray3DFloat) [`Rect3D`](/documentation/Spatial/Rect3D) [`AffineTransform3D`](/documentation/Spatial/AffineTransform3D) [`ScaledPose3DFloat`](/documentation/Spatial/ScaledPose3DFloat) [`AffineTransform3DFloat`](/documentation/Spatial/AffineTransform3DFloat) [`Pose3DFloat`](/documentation/Spatial/Pose3DFloat) [`Pose3D`](/documentation/Spatial/Pose3D) [`ProjectiveTransform3D`](/documentation/Spatial/ProjectiveTransform3D) [`Ray3D`](/documentation/Spatial/Ray3D) [`Size3D`](/documentation/Spatial/Size3D) [`ScaledPose3D`](/documentation/Spatial/ScaledPose3D) [`Rect3DFloat`](/documentation/Spatial/Rect3DFloat) [`Point3DFloat`](/documentation/Spatial/Point3DFloat) [`Vector3DFloat`](/documentation/Spatial/Vector3DFloat) [`Vector3D`](/documentation/Spatial/Vector3D) [`Rotation3DFloat`](/documentation/Spatial/Rotation3DFloat) [`Point3D`](/documentation/Spatial/Point3D) ### Inherits From [`Encodable`](/documentation/Swift/Encodable) [`Decodable`](/documentation/Swift/Decodable) [`Equatable`](/documentation/Swift/Equatable) --- 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)