Fundamentals Overview

Asset Management

The Assets system handles loading and managing:

• Images, audio, and JSON files
• Fonts and spritesheets
• Spine animations
• Background loading support

Actions System

The Actions system provides:

• Context-aware input handling
• Multiple input method support
• Type-safe action definitions

Scene Management

Scenes are the building blocks of your game, handling state transitions and content organization. They provide:

• Scene lifecycle management
• Transition animations
• Dynamic loading capabilities

Data

Data Management provides persistent storage and state management.

• Type-safe data handling
• Automatic localStorage backup
• Change event system

Content Management

The Copy and Content system provides:

• i18n support
• JSON-based content management
• Dynamic string interpolation
• Variant text support

Audio

The Audio system features:

• Multiple audio channels
• Volume control and fading
• Priority-based playback
• Voice-over support

Animation

• The Animated Sprite can be leveraged to add frame-based animations to your game.
• The Spine plugin can be leveraged to add complex, rigged animations to your game.

UI

UI Components

• Text rendering with support for basic, HTML, and bitmap text

• Layout tools offer two main approaches:

  • FlexContainer: CSS Flexbox-inspired layout system
  • UICanvas: Edge-anchored positioning

• Popup system for modals and overlays

Physics

Physics support through two plugins:

• Snap Physics: Lightweight, performance-focused system
• Matter.js: Full-featured physics engine

Accessibility

Comprehensive accessibility features including:

1. Focus Management

   • Keyboard navigation
   • Focus layers
   • Visual feedback

2. Voice-over Support

   • Queue management
   • Multiple play modes
   • Localization support

3. Captions

   • Multi-language support
   • Customizable styling
   • Automatic sync with voice-over