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IFTTT/JazzHands

0
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6,367 stars·662 forks·Objective-C·MIT·6 viewsifttt.github.io↗

JazzHands

JazzHands is a UIKit framework providing a scroll-driven animation engine and a paging layout manager. It enables the binding of view properties to timelines of keyframes, allowing visual transitions to be synced with real-time scroll offsets or gesture data.

The project distinguishes itself through a value-interpolation engine that calculates intermediate property states. This allows animation progress to be driven by external input values, mapping view attributes to a timeline based on a floating point progress indicator.

The framework also includes a system for organizing views within paging controllers using automatic layout constraints to ensure consistent positioning across different screen dimensions. These capabilities support the development of interactive app intros and scroll-driven UI transitions.

Features

  • UI Property Interpolators - Implements a system for binding view properties to a timeline of keyframes driven by external input values.
  • Interactive Gesture-Driven Animations - Links animation playback to real-time touch gestures and scroll offsets for interactive visual updates.
  • Value Interpolation Engines - Calculates intermediate property states between defined keyframes to ensure smooth visual transitions during manual scrubbing.
  • Keyframe Animation Systems - Implements a framework for binding view properties to timelines to create animations driven by external input values.
  • Scroll-Triggered Animations - Provides a mechanism to synchronize visual transitions and property changes with real-time scroll offsets.
  • Timeline-Based Interpolators - Maps view attributes to a timeline of values interpolated based on a floating point progress indicator.
  • Paging Scroll Layouts - Provides a controller for organizing views within a paging scroll layout using automatic layout constraints.
  • Scroll-Driven Animation Tools - Synchronizes visual transitions and property changes with the user's scroll position to create reactive navigation.
  • Constraint Based Layouts - Uses automatic layout rules and constraints to maintain consistent view positioning across different screen dimensions.
  • UI Transition Workflows - Enables management of complex UI transitions by binding view properties to specific points on a timeline.
  • App Onboarding Flows - Supports the creation of interactive onboarding sequences where animation progress is driven by gestures and paging.
  • Timeline-Based View Animators - Creates custom visual effects in iOS apps by linking view properties to a timeline of keyframes.
  • Onboarding And Tutorials - Keyframe animation framework controlled by gestures or scroll views.
  • UI Transitions and Navigation - Keyframe-based animation framework for scroll-driven transitions.

Star history

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Frequently asked questions

What does ifttt/jazzhands do?

JazzHands is a UIKit framework providing a scroll-driven animation engine and a paging layout manager. It enables the binding of view properties to timelines of keyframes, allowing visual transitions to be synced with real-time scroll offsets or gesture data.

What are the main features of ifttt/jazzhands?

The main features of ifttt/jazzhands are: UI Property Interpolators, Interactive Gesture-Driven Animations, Value Interpolation Engines, Keyframe Animation Systems, Scroll-Triggered Animations, Timeline-Based Interpolators, Paging Scroll Layouts, Scroll-Driven Animation Tools.

What are some open-source alternatives to ifttt/jazzhands?

Open-source alternatives to ifttt/jazzhands include: albinotonnina/albinotonnina.com — This is a personal portfolio website that uses scroll position to drive complex SVG scene animations, creating an… alexfoxy/laxxx — laxxx is a lightweight JavaScript framework for creating scroll-driven animations and DOM element bindings. It… greensock/greensock-js — GreenSock-JS is a JavaScript animation library and framework designed for animating CSS properties, SVG attributes,… ant-design/ant-motion — This is a React animation library providing a collection of components for creating choreographed motion, complex… ramotion/expanding-collection — This project is a suite of visual components and interface models designed to create animated transitions between… ifttt/razzledazzle — A simple keyframe-based animation framework for iOS, written in Swift. Perfect for scrolling app intros.

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