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How does world locking improve multi-minute stability across large living-room-scale XR sessions?
Asked on Nov 13, 2025
Answer
World locking enhances stability in XR sessions by anchoring virtual content to a consistent spatial reference, reducing drift over time. This technique is crucial for maintaining accurate alignment of virtual objects in large living-room-scale environments, especially during extended sessions. It leverages spatial anchors and scene understanding to ensure that virtual elements remain fixed relative to the physical world.
Example Concept: World locking uses spatial anchors to create a stable reference frame that persists across the XR session. By continuously updating these anchors based on real-world observations, the system minimizes positional drift and maintains alignment of virtual content with the user's environment. This is particularly effective in large spaces where small errors can accumulate over time, ensuring that virtual objects appear stable and correctly positioned throughout the session.
Additional Comment:
- World locking is often implemented using spatial anchors available in platforms like AR Foundation or OpenXR.
- It is essential for applications where precise spatial alignment is critical, such as in collaborative AR experiences or when interacting with virtual objects over extended periods.
- Regular updates and recalibration of anchors help in maintaining accuracy and reducing drift.
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