# Size3DFloat A single-precision structure that contains width, height, and depth values. ``` struct Size3DFloat ``` ## Topics ### Operators [`static func * (Float, Size3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/*(_:_:)-124fk) Returns a size with each element mulitplied by a scalar value. [`static func * (Size3DFloat, Float) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/*(_:_:)-544n3) Returns a size with each element mulitplied by a scalar value. [`static func * (ProjectiveTransform3DFloat, Size3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/*(_:_:)-57yj1) Returns the size that results from applying the transform to the size. [`static func * (Pose3DFloat, Size3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/*(_:_:)-61lpp) Returns the size that results from applying the pose to the size. [`static func * (AffineTransform3DFloat, Size3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/*(_:_:)-7txph) Returns the size that results from applying the transform to the size. [`static func *= (inout Size3DFloat, Float)`](/documentation/Spatial/Size3DFloat/*=(_:_:)) Calculates the element-wise product of a size and a scalar value and stores the result in the left-hand-side variable. [`static func += (inout Size3DFloat, Vector3DFloat)`](/documentation/Spatial/Size3DFloat/+=(_:_:)-6yxe6) Calculates the size that’s the element-wise sum of a size and a vector and stores the result in the left-hand-side variable. [`static func - (Size3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/-(_:)) Returns a size that’s the element-wise negation of the size. [`static func -= (inout Size3DFloat, Vector3DFloat)`](/documentation/Spatial/Size3DFloat/-=(_:_:)-4iec2) Calculates the size that’s the element-wise difference of a size and a vector and stores the result in the left-hand-side variable. [`static func / (Size3DFloat, Float) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/_(_:_:)) Returns a size with each element divided by a scalar value. [`static func /= (inout Size3DFloat, Float)`](/documentation/Spatial/Size3DFloat/_=(_:_:)) Calculates the element-wise division of a size and a scalar value and stores the result in the left-hand-side variable. ### Initializers [`init()`](/documentation/Spatial/Size3DFloat/init()) [`init(simd_float3)`](/documentation/Spatial/Size3DFloat/init(_:)-208lc) Returns a size structure from the specified 3-element vector. [`init(Vector3DFloat)`](/documentation/Spatial/Size3DFloat/init(_:)-3z2u6) Returns a size structure from the specified Spatial vector. [`init(Point3DFloat)`](/documentation/Spatial/Size3DFloat/init(_:)-4eoby) Returns a size structure from the specified point. [`init(Size3D)`](/documentation/Spatial/Size3DFloat/init(_:)-4r1ha) Returns a single-precision size from a double-precision size. [`init(simd_double3)`](/documentation/Spatial/Size3DFloat/init(_:)-6y249) Returns a new point from a single-precision vector. [`init(simd_packed_float4)`](/documentation/Spatial/Size3DFloat/init(_:)-8nzza) Creates a Spatial size from a simd packed vector. [`init(vector: simd_float3)`](/documentation/Spatial/Size3DFloat/init(vector:)) [`init(width: T, height: T, depth: T)`](/documentation/Spatial/Size3DFloat/init(width:height:depth:)-8h26f) Returns a new point from the floating-point values. [`init(width: Float, height: Float, depth: Float)`](/documentation/Spatial/Size3DFloat/init(width:height:depth:)-9u3g4) Returns a size structure from the specified values. ### Instance Properties [`var depth: Float`](/documentation/Spatial/Size3DFloat/depth) [`var height: Float`](/documentation/Spatial/Size3DFloat/height) [`var vector: simd_float3`](/documentation/Spatial/Size3DFloat/vector) [`var width: Float`](/documentation/Spatial/Size3DFloat/width) ### Instance Methods [`func applying(ScaledPose3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/applying(_:)-4x5w1) Returns the primitive that results from applying a scaled pose to the primitive. [`func sheared(AxisWithFactors) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/sheared(_:)) Returns a sheared size. [`func unapplying(ScaledPose3DFloat) -> Size3DFloat`](/documentation/Spatial/Size3DFloat/unapplying(_:)-9dyaz) Returns the primitive that results from applying a scaled pose to the primitive. ### Type Properties [`static let one: Size3DFloat`](/documentation/Spatial/Size3DFloat/one) A size with a width, height, and depth of `1`. ### Default Implementations [AdditiveArithmetic Implementations](/documentation/Spatial/Size3DFloat/AdditiveArithmetic-Implementations) [CustomReflectable Implementations](/documentation/Spatial/Size3DFloat/CustomReflectable-Implementations) [Decodable Implementations](/documentation/Spatial/Size3DFloat/Decodable-Implementations) [Encodable Implementations](/documentation/Spatial/Size3DFloat/Encodable-Implementations) [Equatable Implementations](/documentation/Spatial/Size3DFloat/Equatable-Implementations) [Hashable Implementations](/documentation/Spatial/Size3DFloat/Hashable-Implementations) [Primitive3DProtocol Implementations](/documentation/Spatial/Size3DFloat/Primitive3DProtocol-Implementations) [Scalable3DProtocol Implementations](/documentation/Spatial/Size3DFloat/Scalable3DProtocol-Implementations) [VolumetricProtocol Implementations](/documentation/Spatial/Size3DFloat/VolumetricProtocol-Implementations) ## Relationships ### Conforms To [`CustomReflectable`](/documentation/Swift/CustomReflectable) [`SpatialTypeProtocol`](/documentation/Spatial/SpatialTypeProtocol) [`Scalable3DProtocol`](/documentation/Spatial/Scalable3DProtocol) [`Decodable`](/documentation/Swift/Decodable) [`Rotatable3DProtocol`](/documentation/Spatial/Rotatable3DProtocol) [`Hashable`](/documentation/Swift/Hashable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Encodable`](/documentation/Swift/Encodable) [`Equatable`](/documentation/Swift/Equatable) [`Copyable`](/documentation/Swift/Copyable) [`Primitive3DProtocol`](/documentation/Spatial/Primitive3DProtocol) [`Sendable`](/documentation/Swift/Sendable) [`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible) [`AdditiveArithmetic`](/documentation/Swift/AdditiveArithmetic) [`Escapable`](/documentation/Swift/Escapable) [`VolumetricProtocol`](/documentation/Spatial/VolumetricProtocol) --- Copyright © 2026 Apple Inc. 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