123 lines
3.2 KiB
Markdown
123 lines
3.2 KiB
Markdown
# Unity UI Toolkit - 2026 Best Practices
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## Overview
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This module demonstrates production-ready Unity UI Toolkit 2.0+ implementations with ECS UI patterns using DOTS (Data-Oriented Technology Stack), focusing on game UI patterns, accessibility, and spatial computing.
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## Architecture
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### Stack
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- **Unity UI Toolkit 2.0+** - Declarative UI system
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- **ECS (Entity Component System)** - Data-oriented UI architecture
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- **DOTS (Data-Oriented Technology Stack)** - High-performance UI rendering
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- **DDA 3.0** - Dynamic Difficulty Adjustment for enemy AI
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## 2026 Best Practices
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### Core Design Patterns
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#### ECS UI Pattern
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```csharp
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// UI entities managed through ECS
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var uiEntity = EntityManager.CreateEntity();
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uiEntity.AddComponent<UIElementComponent>();
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uiEntity.AddComponent<HapticFeedbackComponent>();
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```
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#### DOTS UI Rendering
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- UI elements batched through GPU instancing
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- Job-system UI layout calculations
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- Burst-compiled UI updates
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#### Game Core Loop Integration
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- **Action Phase**: Combat HUD with ECS-based reactive updates
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- **Reward Phase**: Loot system with transparent RNG display
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- **Upgrade Phase**: Skill tree with DOTS pathfinding
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### DDA 3.0 (Dynamic Difficulty Adjustment)
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#### Enemy AI Heuristic Adjustment
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```csharp
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// DDA 3.0 adjusts enemy AI based on player performance
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ddaManager.AdjustEnemyHeuristics(playerKDR, sessionDuration);
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```
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#### UI Adaptation
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- Enemy difficulty tier influences UI opacity
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- Stress detection reduces visual complexity
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- Performance metrics drive aesthetic adjustments
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### Accessibility (WCAG 3.0+)
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#### Colorblindness Independence
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```csharp
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// Shape + icon redundancy for color states
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healthState.icon = healthState.shape; // Not just color
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```
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#### Eye-Tracking Support
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- Dwell-based selection (150ms threshold)
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- Pupil dilation stress detection
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- Blink confirmation pattern
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### Spatial Computing (XR)
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#### Volumetric UI
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- Holographic inventory previews with Z-depth
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- Parallax scrolling for UI layers
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- Eye-tracking focus indicators
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#### GPU Instancing
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- Batched UI element rendering
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- Z-depth parallax for XR environments
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### Ethical Engagement
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#### Rest-State Mechanics
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```csharp
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// Mandatory calm state after 45-minute sessions
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if (sessionDuration > 45) EnterRestState();
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```
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#### Transparent Loot Tables
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- Drop rates displayed inline
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- Pity timer visualization
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- No obfuscated RNG indicators
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## File Structure
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```
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unity-ui/
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README.md - This documentation
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GameUI.cs - Main UI Toolkit entry point
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dots-ui-patterns.cs - ECS UI patterns with DOTS
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dda-system.cs - DDA 3.0 enemy AI adjustment
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object-pooling.cs - UI element pooling
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```
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## Usage
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```csharp
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// Initialize UI Toolkit with ECS
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var uiSystem = new UISystem();
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uiSystem.Initialize(EntityManager);
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// Apply DDA 3.0 adaptation
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ddaManager.AdjustForTier(DifficultyTier.Normal);
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// Enable object pooling for UI elements
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uiPoolPrefetcher.EnablePrefetch();
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```
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## Testing
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Run Unity UI tests:
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```bash
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unity-test-toolkit --test examples/csharp/unity-ui
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```
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## References
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- [Unity UI Toolkit Documentation](https://docs.unity3d.com/Packages/com.unity.ui@2.0/)
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- [DOTS Architecture](https://unity.com/dots)
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- [WCAG 3.0 Accessibility Guidelines](https://www.w3.org/TR/wcag-3.0/) |