GECS Queries in Godot 4.3+

Filter and retrieve entities in GECS v9 using the fluent QueryBuilder API. GECS queries are evaluated against archetypes and heavily cached, with execution times ranging from 0.1–0.4 ms over 10,000 entities.

Addon: GECS · version v9 · Godot 4.3+ · MIT
Related skills: gecs-systems for running queries in systems, gecs-relationships for relationship queries, gecs-performance for cache optimization.

1. Fluent Query API

Construct queries using ECS.world.query or the q helper inside systems: