Method createEntity

packages/core/src/ECS/Scene.ts:622–632

* 将实体添加到此场景，并返回它 * @param name 实体名称

(name: string)

     * @param name 实体名称
     */
    public createEntity(name: string) {
        const entity = new Entity(name, this.identifierPool.checkOut());

        const handle = this.handleManager.create();
        entity.setHandle(handle);
        this._handleToEntity.set(handle, entity);

        this.eventSystem.emitSync('entity:created', { entityName: name, entity, scene: this });

        return this.addEntity(entity);
    }

    /**
     * 清除所有EntitySystem的实体缓存