Method addGlobalSystem

packages/core/src/ECS/World.ts:303–313

* 添加全局System * 全局System会在所有激活Scene之前更新

(system: T)

     * 全局System会在所有激活Scene之前更新
     */
    public addGlobalSystem<T extends IGlobalSystem>(system: T): T {
        if (this._globalSystems.includes(system)) {
            return system;
        }

        this._globalSystems.push(system);
        system.initialize?.();

        logger.debug(`在World '${this.name}' 中添加全局System: ${system.name}`);
        return system;
    }

    /**
     * 移除全局System