SceneryStack Libraries¶

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NPM Package¶

Libraries focused on graphics rendering, UI elements, and interaction.

Repo	Category	Description
Scenery	Graphics / Rendering	Foundational library for representing graphics, handling input, and cross-platform support.
Alpenglow	Rendering Engine	Experimental rasterization engine by PhET Interactive Simulations.
Sun	UI Components	Graphical user interface components such as buttons and checkboxes. Built using Scenery.
Mobius	3D Rendering	Embed 3D scenes in Scenery with Three.js.
Twixt	Animation	Support for animation, easing, and tweening for UI or artwork.
Joist	UI Framework	Common model/view for simulations, handling navigation, menus, and screen management.
SceneryPhet	Reusable View Components	Reusable Scenery view components for simulations.

Libraries foundational to data structures, algorithms, and general functionality.

Repo	Category	Description
Dot	Math / Core Utility	Mathematical objects such as Vector, Matrix, and corresponding numerical algorithms.
Kite	Geometry / Core Utility	Shapes and geometry. Mathematics implemented using Dot.
PhetCore	General Utility	Basic utility & support for data structures and algorithms.
Assert	Core Utility	Minimal standalone assertion support.
Tandem	Data Management	Simulation-side code to support name-object registration and PhET-iO instrumentation.

Libraries managing application state, event propagation, and data structures.

Repo	Category	Description
Axon	State Management	Event-based model and data structures for the observer pattern.
Bamboo	Data Visualization	Charting library built with Scenery.
Vegas	Game Components	Reusable game components for interactive simulations.
PhetCommon	Shared Components	Utility functions, model components, and analytics integrations.

Libraries that enhance interactivity and accessibility for users.

Repo	Category	Description
Tambo	Audio / Sonification	Sound effects and sonification. Uses Axon for event handling.
UtteranceQueue	Accessibility	Library for generating dynamic TTS using ARIA live regions.
Tangible	Tangible Interaction	Library for handling computer vision and tangible input using MediaPipe.
Tappi	Haptic Feedback	Support for haptics/vibrations in HTML5.
Nitroglycerin	Specialized Interaction	Chemistry-specific code for interactive simulations.

Libraries for building, testing, and extending applications.

Repo	Category	Description
Chipper	Build Tools	Tools for developing and building interactives.
QueryStringMachine	URL Parsing	A query string parser that supports type coercion, default values, and validation.
Brand	Branding	Provides hooks for custom branding.
Sherpa	Third-Party Libraries	Houses all 3^rd-party dependencies.