---
title: Primitive3D
framework: spatial
role: symbol
role_heading: Protocol
path: spatial/primitive3d
---

# Primitive3D

A set of methods common to Spatial primitives.

## Declaration

```swift
protocol Primitive3D : Decodable, Encodable, Equatable
```

## Topics

### Instance properties

- [isFinite](spatial/primitive3d/isfinite.md)
- [isNaN](spatial/primitive3d/isnan.md)
- [isZero](spatial/primitive3d/iszero.md)

### Type properties

- [infinity](spatial/primitive3d/infinity.md)
- [zero](spatial/primitive3d/zero.md)

### Transforming primitives

- [apply(_:)](spatial/primitive3d/apply(_:)-1nv9y.md)
- [apply(_:)](spatial/primitive3d/apply(_:)-64cgp.md)
- [applying(_:)](spatial/primitive3d/applying(_:)-6264n.md)
- [applying(_:)](spatial/primitive3d/applying(_:)-6icvg.md)
- [apply(_:)](spatial/primitive3d/apply(_:)-4ic73.md)
- [applying(_:)](spatial/primitive3d/applying(_:)-5yia.md)
- [unapply(_:)](spatial/primitive3d/unapply(_:)-4z6og.md)
- [unapply(_:)](spatial/primitive3d/unapply(_:)-5haxp.md)
- [unapplying(_:)](spatial/primitive3d/unapplying(_:)-8ihh5.md)
- [unapplying(_:)](spatial/primitive3d/unapplying(_:)-5ppqi.md)
- [unapply(_:)](spatial/primitive3d/unapply(_:)-2992s.md)
- [unapplying(_:)](spatial/primitive3d/unapplying(_:)-37fbg.md)

## Relationships

### Inherits From

- [Decodable](swift/decodable.md)
- [Encodable](swift/encodable.md)
- [Equatable](swift/equatable.md)

### Conforming Types

- [Point3D](spatial/point3d.md)
- [Ray3D](spatial/ray3d.md)
- [Rect3D](spatial/rect3d.md)
- [Size3D](spatial/size3d.md)
- [Vector3D](spatial/vector3d.md)

## See Also

### Protocols

- [Rotatable3D](spatial/rotatable3d.md)
- [Scalable3D](spatial/scalable3d.md)
- [Shearable3D](spatial/shearable3d.md)
- [Translatable3D](spatial/translatable3d.md)
- [Volumetric](spatial/volumetric.md)
- [ClampableWithinRectProtocol](spatial/clampablewithinrectprotocol.md)