---
title: linear
framework: swiftui
role: symbol
role_heading: Type Property
path: swiftui/unitcurve/linear
---

# linear

A linear curve.

## Declaration

```swift
static let linear: UnitCurve
```

## Discussion

Discussion As the linear curve is a straight line from (0, 0) to (1, 1), the output progress is always equal to the input progress, and the velocity is always equal to 1.0.