Unity SDK Architecture

Overview of the Board Unity SDK components. For the SDK-neutral platform pipeline (sensor, NPU, OS touch service), see Architecture.

Core Components

BoardInput

The touch input subsystem. Receives contact data from Board hardware and provides it to your game.

Responsibilities:

• Tracking active contacts
• Contact phase management (began, moved, ended)
• Glyph recognition
• Input smoothing

Key APIs:

• BoardInput.GetActiveContacts() - Poll current contacts each frame in Update()
• BoardInput.settingsChanged - Input settings change notifications

See Touch Input for implementation details.

BoardSession

Manages the current game session, players, and profiles.

Responsibilities:

• Tracking active profile
• Managing player list
• Notifying of player changes

Key APIs:

• BoardSession.players - Current players
• BoardSession.playersChanged - Change notifications

See Player Management for implementation details.

BoardApplication

Main entry point for Board system features like pause screen and profile switcher.

Responsibilities:

• Pause screen configuration and events
• Profile switcher overlay
• System-level interactions

Key APIs:

• BoardApplication.SetPauseScreenContext() - Configure pause screen
• BoardApplication.ShowProfileSwitcher() - Show profile UI

See Pause Menu and Profile Switcher for implementation details.

BoardSaveGameManager

Handles persistent save game storage.

Responsibilities:

• Creating and loading save games
• Managing save game metadata
• Player-save associations
• Storage quota management

Key APIs:

• BoardSaveGameManager.CreateSaveGame() - Save game data
• BoardSaveGameManager.GetSaveGamesMetadata() - List saves

See Save Game System for implementation details.

Namespaces