---
title: Angle2D
framework: spatial
role: symbol
role_heading: Structure
path: spatial/angle2d
---

# Angle2D

A geometric angle with a value you access in either radians or degrees.

## Declaration

```swift
struct Angle2D
```

## Topics

### Creating an angle structure

- [init()](spatial/angle2d/init().md)
- [init(radians:)](spatial/angle2d/init(radians:)-3zcwo.md)
- [init(radians:)](spatial/angle2d/init(radians:)-6s7o6.md)
- [init(radians:)](spatial/angle2d/init(radians:)-74ym2.md)
- [init(degrees:)](spatial/angle2d/init(degrees:)-2obd.md)
- [init(degrees:)](spatial/angle2d/init(degrees:)-7y9lb.md)
- [degrees(_:)](spatial/angle2d/degrees(_:).md)
- [radians(_:)](spatial/angle2d/radians(_:).md)

### Inspecting an angle’s properties

- [degrees](spatial/angle2d/degrees.md)
- [radians](spatial/angle2d/radians.md)

### Geometry functions

- [acos(_:)](spatial/angle2d/acos(_:).md)
- [acosh(_:)](spatial/angle2d/acosh(_:).md)
- [asin(_:)](spatial/angle2d/asin(_:).md)
- [asinh(_:)](spatial/angle2d/asinh(_:).md)
- [atan(_:)](spatial/angle2d/atan(_:).md)
- [atan2(y:x:)](spatial/angle2d/atan2(y:x:).md)
- [atanh(_:)](spatial/angle2d/atanh(_:).md)
- [normalized](spatial/angle2d/normalized.md)

### Comparing values

- [==(_:_:)](spatial/angle2d/==(_:_:).md)

### Encoding and decoding an angle structure

- [init(from:)](spatial/angle2d/init(from:).md)
- [encode(to:)](spatial/angle2d/encode(to:).md)

### Applying arithmetic operations

- [+(_:)](spatial/angle2d/+(_:).md)
- [+(_:_:)](spatial/angle2d/+(_:_:).md)
- [+=(_:_:)](spatial/angle2d/+=(_:_:).md)
- [-(_:)](spatial/angle2d/-(_:).md)
- [-(_:_:)](spatial/angle2d/-(_:_:).md)
- [-=(_:_:)](spatial/angle2d/-=(_:_:).md)

### Initializers

- [init(_:)](spatial/angle2d/init(_:)-44cs8.md)
- [init(_:)](spatial/angle2d/init(_:)-7nf6j.md)

### Default Implementations

- [AdditiveArithmetic Implementations](spatial/angle2d/additivearithmetic-implementations.md)
- [Comparable Implementations](spatial/angle2d/comparable-implementations.md)
- [CustomReflectable Implementations](spatial/angle2d/customreflectable-implementations.md)
- [Decodable Implementations](spatial/angle2d/decodable-implementations.md)
- [Encodable Implementations](spatial/angle2d/encodable-implementations.md)
- [Equatable Implementations](spatial/angle2d/equatable-implementations.md)
- [Hashable Implementations](spatial/angle2d/hashable-implementations.md)

## Relationships

### Conforms To

- [AdditiveArithmetic](swift/additivearithmetic.md)
- [Animatable](swiftui/animatable.md)
- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Comparable](swift/comparable.md)
- [Copyable](swift/copyable.md)
- [CustomReflectable](swift/customreflectable.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Decodable](swift/decodable.md)
- [Encodable](swift/encodable.md)
- [Equatable](swift/equatable.md)
- [Escapable](swift/escapable.md)
- [Hashable](swift/hashable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### 2D primitives

- [Angle2DFloat](spatial/angle2dfloat.md)