import { World } from "koota";
//#region src/ecs/world.d.ts
/**
 * Get the global fallback world.
 * Created lazily on first access. Used by sprites that aren't
 * inside a SpriteGroup or Flatland context.
 */
declare function getGlobalWorld(): World;
/**
 * Reset the global world (for testing).
 * @internal
 */
declare function resetGlobalWorld(): void;
/**
 * Interface for Three.js objects that provide ECS world context to children.
 * Implemented by SpriteGroup and Flatland.
 */
interface WorldProvider {
  readonly world: World;
}
/**
 * Assign an ECS world to a child object.
 * Propagates world context down the Three.js scene graph.
 *
 * Throws if the child already has a different world assigned —
 * switching worlds after creation is not allowed. Destroy and
 * recreate the object instead.
 *
 * @param child - Three.js object to assign world to
 * @param world - ECS world to assign
 */
declare function assignWorld(child: {
  _flatlandWorld?: World | null;
}, world: World): void;
//#endregion
export { WorldProvider, assignWorld, getGlobalWorld, resetGlobalWorld };
//# sourceMappingURL=world.d.ts.map