Regional simulation

Each region has a dedicated runtime and tick loop. Scene data can continue independently from Core and is persisted.

2.0.0-dev functionality

• 256×256 heightfield terrain
• scene entities and avatar presence
• object create/update/delete
• local chat and event stream
• terrain/object persistence
• AVATAR_MOVE and boundary detection

Next runtime layers

Seamless crossing, attachments, complete avatar state and script runtime follow in later milestones.