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manuelCarlos/Easing 2.1.0
Easing functions in Swift 5
⭐️ 118
🕓 16 weeks ago
.package(url: "https://github.com/manuelCarlos/Easing.git", from: "2.1.0")

License: MIT release

Easing

A library that implements easing functions in Swift.

Supported platforms:

  • iOS, macOS, tvOS, watchOS and Linux (latest Ubuntu).

Type of supported functions:

  • Quadratic
  • Cubic
  • Quartic
  • Quintic
  • Sine
  • Circular
  • Exponential
  • Elastic
  • Back
  • Bounce

Each type has its own separate ease-In, ease-Out and ease-In-Out form.

The functions are design to accept a generic floating-point input parameter, and return a floating-point, denoting the rate of change of a property over time.

Supported argument types:

  • Any type that conforms to the Real protocol, e.g.
    • Float
    • Float80
    • Double

Usage:

The Curve type allows access to all the different functions, for example:

let x: Float = 0.3
let y = Curve.quadratic.easeIn(x) // y = 0.09
let x: Double = 0.5
let y = Curve.sine.easeOut(x2) // y = 0.7071067811865    

Here's an example of the use of the elastic ease-in-out function in an array of 75 points in the [0, 1] interval.

Installation:

Swift Package Manager (iOS, macOS, tvOS, watchOS and Linux)

Add Easing to your AwsomeProject, by adding the github URL to your Package.swift, e.g.:

// swift-tools-version:5.0

import PackageDescription

let package = Package(
   name: "AwsomeProject",
   dependencies: [
      .package(url: "https://github.com/manuelCarlos/Easing.git", .upToNextMajor(from: "2.0.0"))
   ],
   targets: [
      .target(
         name: "AwsomeProject",
         dependencies: ["Easing"])
   ]
)
  • To quickly run the tests:

    (on macOS)

    swift test

    (on Linux)

    swift test --enable-test-discovery

Dependencies:

GitHub

link
Stars: 118
Last commit: 1 week ago
jonrohan Something's broken? Yell at me @ptrpavlik. Praise and feedback (and money) is also welcome.

Release Notes

Update the RealModule dependency to use v1.0 as minimum version
16 weeks ago

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