vr-ar

原文涵盖的主题

• VR/AR Development
• 1. Platform Selection
• VR Platforms
• AR Platforms
• 2. Comfort Principles
• Motion Sickness Prevention
• Comfort Settings
• 3. Performance Requirements

Immersive experience principles. -- | Platform | Use Case | |----------|----------| | Quest | Standalone, wireless | | PCVR | High fidelity | | PSVR | Console market | | WebXR | Browser-based | | Platform | Use Case | |----------|----------| | ARKit | iOS devices | | ARCore | Android devices | | WebXR | Browser AR | | HoloLens | Enterprise | -- | Cause | Solution | |-------|----------| | Locomotion | Teleport, snap turn | | Low FPS | Maintain 90 FPS | | Camera shake | Avoid or minimize | | Rapid acceleration | Gradual movement | Vignette during movement Snap vs smooth turning Seated vs standing modes Height calibration -- | Platform | FPS | Resolution | |----------|-----|------------| | Quest 2 | 72-90 | 1832x1920 | | Quest 3 | 90-120 | 2064x2208 | | PCVR | 90 | 2160x2160+ | | PSVR2 | 90-120 | 2000x2040 | VR requires consistent frame times Single dropped frame = visible judder 90 FPS = 11.11ms budget -- | Type | Use | |------|-----| | Point + click | UI, distant objects | | Grab | Manipulation | | Gesture | Magic, special actions | | Physical | Throwing, swinging | More immersive but less precise Good for: social, casual Challenging for: action, precision -- 1 unit = 1 meter (criti

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