Implement position sync system (Transform → atomics) #44

New Issue

2025-12-17T02:48:44Z

siennathesane commented

2025-12-17 02:48:44 +00:00

(Migrated from github.com)

Description

Core synchronization logic between the game thread (ECS Transform components) and audio thread (Steam Audio position parameters). Must be lock-free and glitch-free.

Acceptance Criteria

Scenario: Position updates are lock-free
  Given entities with AudioSource and Transform components
  When Transform changes
  Then position should update Steam Audio atomically
  And no locks should block the audio thread
  And no glitches should occur during updates

Technical Notes

Query Changed<Transform> for audio sources and listeners
Update Steam Audio position parameters via atomics
Ensure lock-free communication
Handle coordinate system transformations
Test with rapidly moving sources
Verify glitch-free operation

## Description Core synchronization logic between the game thread (ECS Transform components) and audio thread (Steam Audio position parameters). Must be lock-free and glitch-free. ## Acceptance Criteria ```gherkin Scenario: Position updates are lock-free Given entities with AudioSource and Transform components When Transform changes Then position should update Steam Audio atomically And no locks should block the audio thread And no glitches should occur during updates ``` ## Technical Notes - Query `Changed<Transform>` for audio sources and listeners - Update Steam Audio position parameters via atomics - Ensure lock-free communication - Handle coordinate system transformations - Test with rapidly moving sources - Verify glitch-free operation

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Reference: studio/marathon#44