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dyCuong03
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wave7-ecs-to-go-transform-sync

Synchronize ECS LocalToWorld transforms to companion GameObjects in PresentationSystemGroup.

6|Updated Apr 2, 2026
Search Tags:#ecs#hybrid rendering#unity-dots#transform sync#local-to-world#presentation systems#gameobject lifecycle
One-click install
npx skills add https://github.com/dyCuong03/unity-agent-team --skill wave7-ecs-to-go-transform-sync
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: wave7-ecs-to-go-transform-sync
Source: https://github.com/dyCuong03/unity-agent-team/tree/main/.claude/skills/unity-dots/wave7-ecs-to-go-transform-sync
Command: npx skills add https://github.com/dyCuong03/unity-agent-team --skill wave7-ecs-to-go-transform-sync

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill solves the problem of ECS entity world-space transforms not visually matching a companion Unity GameObject’s Transform during hybrid rendering.

Core Features & Use Cases

  • World-space Transform synchronization: Copies ECS LocalToWorld position and rotation onto a companion GameObject Transform for frame-accurate tracking.
  • Hybrid rendering support: Enables audio sources, VFX particles, and UI widgets to follow ECS-driven simulation without fully rendering entities via Entities Graphics.
  • Correct timing and safety guards: Runs in PresentationSystemGroup after TransformSystemGroup and includes null guarding to prevent MissingReferenceException when GOs are destroyed.

Quick Start

Ask an AI to implement a SystemBase that queries LocalToWorld and the matched UnityEngine.GameObject, and in OnUpdate sets each GameObject’s Transform using SetPositionAndRotation inside PresentationSystemGroup with a null guard.

Frequently Asked Questions about wave7-ecs-to-go-transform-sync

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I sync ECS entity transforms with GameObjects for hybrid rendering?▼

Sync ECS entity transforms with GameObjects by querying read-only `LocalToWorld` values and applying them to companion GameObjects using `SetPositionAndRotation` on the main thread within `PresentationSystemGroup`.

What is the correct timing for updating GameObject transforms from ECS entities?▼

The correct timing for updating GameObject transforms from ECS entities is within `PresentationSystemGroup` after `TransformSystemGroup` completes, ensuring frame-accurate visual tracking for hybrid rendering.

Why does my hybrid ECS setup throw MissingReferenceException when syncing transforms?▼

Your hybrid ECS setup throws MissingReferenceException during transform sync because companion GameObjects are destroyed without notifying the system, requiring null checks before applying `SetPositionAndRotation` to prevent missing references.

Can I use ECS simulation to drive audio sources and VFX particles without Entities Graphics?▼

You can use ECS simulation to drive audio sources and VFX particles without Entities Graphics by synchronizing `LocalToWorld` data to companion GameObject Transforms for hybrid rendering scenarios.

What's the best way to make UI widgets follow ECS-driven entities?▼

The best way to make UI widgets follow ECS-driven entities is to synchronize the entity's world-space position and rotation to the widget's Transform using a `SystemBase` query in `PresentationSystemGroup`.

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