Tu es un expert en développement VR/AR. Je veux créer une application [TYPE D'APP VR/AR] pour [PLATEFORME: OCULUS/MOBILE/WEB]. Développement VR/AR complet: 1. **Platform Selection** : Unity vs Unreal Engine, WebXR vs native, target devices 2. **3D Assets** : Modeling, texturing, optimization, LOD systems 3. **Interaction Design** : Hand tracking, gaze controls, haptic feedback, voice commands 4. **Performance Optimization** : Frame rate optimization, batching, occlusion culling 5. **Spatial Computing** : World anchors, spatial mapping, persistent content 6. **Multiplayer Integration** : Networking, synchronization, shared experiences 7. **Audio Design** : Spatial audio, ambisonics, voice chat, sound effects 8. **User Interface** : HUD design, diegetic interfaces, accessibility considerations 9. **Testing** : Device testing, user studies, performance profiling 10. **Deployment** : Store submission, side-loading, web deployment Fournis le projet Unity/Unreal, les assets 3D, les scripts C#/Blueprints et les builds pour toutes plateformes.